Carrier 50EN Manuel

INSTALLATION, OPERATION AND

MAINTENANCE INSTRUCTIONS

50EN/EH

Nominal cooling capacity 21,2 - 85,2 kW

Nominal heating capacity 21,7 - 88,7 kW

50 Hz

Translation of the original document 80046, 10.2016

Packaged rooftop cooling only / heat pumps

and separated gas module option

Packaged rooftop units

Contents

1. Introduction .......................................................................................................................................................................................................3

2. Operation limits .................................................................................................................................................................................................3

3. Technical characteristics (EN-14511-2013)......................................................................................................................................................4

4. Safety advice.....................................................................................................................................................................................................6

5. Unit identiﬁcation...............................................................................................................................................................................................6

6. Possible types of assemblies............................................................................................................................................................................7

7. Transport and handling .....................................................................................................................................................................................8

Transport...........................................................................................................................................................................................................8

Discharging of the unit ......................................................................................................................................................................................8

Weight overview (kg).........................................................................................................................................................................................9

Centre of gravity coordinates (mm)...................................................................................................................................................................9

8. Location and assembling ................................................................................................................................................................................10

Choice of location............................................................................................................................................................................................10

Anchorage for antivibrators.............................................................................................................................................................................11

Minimum free space for commissioning and maintenance operations ...........................................................................................................12

Sound Level ....................................................................................................................................................................................................13

9. Checking before commissioning .....................................................................................................................................................................14

Electrical connections .....................................................................................................................................................................................14

Connection of probes by the client..................................................................................................................................................................15

Checks in the axial fans ..................................................................................................................................................................................17

Checks in the EC plug-fans.............................................................................................................................................................................18

Checks in the centrifugal fans (optional).........................................................................................................................................................18

Air ducts connections ......................................................................................................................................................................................19

Condensate drain connection .........................................................................................................................................................................19

10. Safety elements ..............................................................................................................................................................................................20

11. Opcional equipment.........................................................................................................................................................................................22

Filters ..............................................................................................................................................................................................................22

Hot water coil ..................................................................................................................................................................................................22

Electrical heaters.............................................................................................................................................................................................23

Gas burner ......................................................................................................................................................................................................24

Pre-assembly roofcurbs ..................................................................................................................................................................................24

Hood cover......................................................................................................................................................................................................25

Stop-drop ........................................................................................................................................................................................................25

12. Commissioning................................................................................................................................................................................................26

Checks prior to commissioning .......................................................................................................................................................................26

Possible problems at commissioning..............................................................................................................................................................27

Operational checks .........................................................................................................................................................................................27

13. Maintenance....................................................................................................................................................................................................27

General recommendations..............................................................................................................................................................................27

Access to components ....................................................................................................................................................................................28

14. Control and analysis of breakdowns................................................................................................................................................................33

Packaged rooftop units

1. INTRODUCTION

2. OPERATION LIMITS

With a condensation pressure control operating down to -10ºC.

When the outdoor temperature is usually below 5ºC WB it is

recommended installing a support element.

Inlet air conditions Cooling Heating

Indoor coil

Minimum 13ºC WB 10ºC

Maximum 24ºC WB 27ºC

Outdoor coil

Minimum 12ºC -12ºC WB 

Maximum 48ºC 15ºC WB

The 50EN/EH cooling units and heat pumps are autonomous air-air

units of horizontal design, rooftop type.

• 50EN series: Autonomous air-air cooling units with a compact

horizontal rooftop construction.

• 50EH series: Autonomous reversible air-air heat pump units with

a compact horizontal rooftop construction.

Packaged unit “all in one” with all components installed inside the unit.

The unit is connected directly to an air distribution ductwork without

using indoor units, a network of pipes, cables... and, therefore, without

the service space necessary for the connection of these components.

This design reduces the cost of installation, facilitates a quick

connection and ensures reliable operation.

The range of capacities of these units allows the air conditioning of

medium and large surface areas used for business or industry.

A vast number of options provide a solution to many operating

requirements, such a:

- Free-cooling.

- Air renewal.

- Air quality control (CO2).

- Different levels of air ﬁltration.

- Active recovery of the extracted air energy.

- Back-up heating by means of electrical heaters, hot water coil and/

or gas burner.

- Heat pump adapted to extremely cold weather conditions.

These units are equipped with electronic axial fans in the outdoor

circuit, electronic plug-fans in the indoor circuit, air coils, hermetic scroll

compressors and electronic control with microprocessor, components

optimised for the R-410A refrigerant.

After manufacturing, all units are charged with refrigerant and

are tested at the factory, verifying the correct operation of all their

components within the operating range for which they are intended.

The units comply with European Directives: Machinery 2006/42/EC -

EMC 2014/30/EU - LVD 2014/35/EU - PED 2014/68/EC (Category 2)

- RoHS 2011/65/EU - Eco-design 2009/125/CE - Eco-labelling 2010/30/

EU; and with Harmonised Standard: EN 378-2:2012.

Those in charge of the installation, commissioning, operation and

maintenance of the unit must know the instructions contained in this

brochure and the speciﬁc technical characteristics of the installation site.

Packaged rooftop units

3. TECHNICAL CHARACTERISTICS (EN-14511-2013)

50EN/EH 90HEE 90T 120HEE 120T 160HEE 160T 180HEE 180T

Cooling

capacities

Cooling capacity (kW) 21,2 23,1 25,2 30,1 33,4 38,1 42,5 46,3

Power input (kW) 7,1 8,2 8,4 10,7 11,1 13,6 14,1 16,5

EER performance 3,01 2,81 3,01 2,81 3,01 2,81 3,01 2,81

Heating

capacities

Heating capacity (kW) 21,7 24,0 25,7 31,1 34,5 39,3 42,8 46,7

Power input (kW) 6,4 7,5 7,5 9,7 10,1 12,2 12,5 14,6

COP performance 3,41 3,21 3,41 3,21 3,41 3,21 3,41 3,21

Outdoor

circuit

fan

Nominal air ﬂow (m3/h) 8000 13000 17000

Available static pressure (mm.w.c) 4

Type Electronic axial fan

Number / Diameter (mm) 1 / 630 1 / 800

Motor output (kW) 0,9 2,2

Power input in COOLING (kW) 0,5 0,5 1,5 1,5 1,4 1,4 1,6 1,6

Power input in HEATING (kW) 0,7 0,7 2,2 2,2 1,9 1,9 2,3 2,3

Speed (r.p.m.) 1000 980

Indoor

circuit

supply

fan

Nominal air ﬂow (m3/h) 4000 6000 8700 9000

Available static pressure (mm.w.c) 12 12 12 15 15 15 15 15

Type Electronic plug-fan

Number / Diameter (mm) 1 / 500 2 / 500

Motor output (kW) 2,68 2 x 2,68

Power input (kW) 0,5 0,5 0,9 1,0 1,4 1,4 1,6 1,6

Speed (r.p.m.) 1700 2 / 1700

Compressor

Type Scroll

Number of compressors 2

Number of stages 2

Number of circuits 1

Oil type Copeland 3MAF 32cST, Danfoss POE 160SZ, ICI Emkarate RL 32CF, Mobil EAL Artic 22CC

Volume of oil (l) 3,1 3,1 3,1 3,1 3,1 3,1 3,1 5,3

Electrical

characteristics

Mains voltage 400 V / III ph / 50 Hz (±10%)

Power supply 3 wires + ground

Maximum

absorbed

current

Compressors (A) 12,0 13,6 13,6 20,8 25,9 31,7 31,7 25,4

Outdoor fans (A) 2,0 2,0 3,4 3,4 3,4 3,4 3,4 3,4

Indoor fans (A) 4,2 4,2 4,2 4,2 8,4 8,4 8,4 8,4

Control (A) 0,9 0,9 0,9 0,9 0,9 0,9 0,9 0,9

Total (A) 19,1 20,7 22,1 29,3 38,6 44,4 44,4 38,1

Refrigerant

Type R-410A

Global warming potential (GWP) 2.088

Charge (kg) 6,0 6,0 7,5 7,5 8,5 8,5 10,0 10,0

Environment impact (tCO2eq) 12,5 12,5 15,7 15,7 17,7 17,7 20,9 20,9

Dimensions

Length (mm) 2400 2400

Width (mm) 1400 1400

Height (mm) 1497 1548 1675

Weight (kg) 595 595 616 616 694 694 734 734

Condensate outlet Ø 1 1/4” adaptor

Cooling capacity calculated in accordance with the EN-14511-2013 standard given for indoor temperature conditions 27ºC, 19ºC WB and 35ºC outdoor temperature.

Heating capacity calculated in accordance with the EN-14511-2013 standard given for indoor temperature conditions 20ºC and 6ºC WB outdoor temperature.

Total power input by compressors and motorised fans under nominal conditions, calculated in accordance with the EN-14511-2013 standard.

Climatic warming potential of a kilogram of ﬂuorinated greenhouse gas in relation to a kilogram of carbon dioxide over a period of 100 years.

Packaged rooftop units

3. TECHNICAL CHARACTERISTICS (EN-14511-2013)

Cooling capacity calculated in accordance with the EN-14511-2013 standard given for indoor temperature conditions 27ºC, 19ºC WB and 35ºC outdoor temperature.

Heating capacity calculated in accordance with the EN-14511-2013 standard given for indoor temperature conditions 20ºC and 6ºC WB outdoor temperature.

Total power input by compressors and motorised fans under nominal conditions, calculated in accordance with the EN-14511-2013 standard.

Climatic warming potential of a kilogram of ﬂuorinated greenhouse gas in relation to a kilogram of carbon dioxide over a period of 100 years.

50EN/EH 200HEE 240HEE 240T 320HEE 320T 360HEE 360T

Cooling

capacities

Cooling capacity (kW) 52,7 58,5 61,3 71,3 74,6 79,9 85,2

Power input (kW) 17,5 19,4 21,8 23,7 26,5 26,5 30,3

EER performance 3,01 3,01 2,81 3,01 2,81 3,01 2,81

Heating

capacities

Heating capacity (kW) 55,6 62,5 66,1 74,4 78,7 86,0 88,7

Power input (kW) 16,3 18,3 20,6 21,8 24,5 25,2 27,6

COP performance 3,41 3,41 3,21 3,41 3,21 3,41 3,21

Outdoor

circuit

fan

Nominal air ﬂow (m3/h) 30000

Available static pressure (mm.w.c) 4

Type Electronic axial fan

Number / Diameter (mm) 2 / 800

Motor output (kW) 2 x 2,2

Power input in COOLING (kW) 2,2 2,2 2,2 2,5 2,5 2,5 2,5

Power input in HEATING (kW) 3,1 3,1 3,1 3,2 3,2 3,2 3,2

Speed (r.p.m.) 2 / 980

Indoor

circuit

supply

fan

Nominal air ﬂow (m3/h) 10000 12000 14300 15900

Available static pressure (mm.w.c) 20 20 20 20 25 25 25

Type Electronic plug-fan

Number / Diameter (mm) 2 / 500

Motor output (kW) 2 x 2,68

Power input (kW) 1,7 2,2 2,2 3,0 3,3 3,7 3,7

Speed (r.p.m.) 2 / 1700

Compressor

Type Scroll

Number of compressors 4

Number of stages 4

Number of circuits 2

Oil type Copeland 3MAF 32cST, Danfoss POE 160SZ, ICI Emkarate RL 32CF, Mobil EAL Artic 22CC

Volume of oil (l) 6,3 6,3 6,3 6,3 6,3 6,3 8,5

Electrical

characteristics

Mains voltage 400 V / III ph / 50 Hz (±10%)

Power supply 3 wires + ground

Maximum

absorbed

current

Compressors (A) 36,1 41,6 48,3 55,0 59,2 63,4 62,3

Outdoor fans (A) 6,8 6,8 6,8 6,8 6,8 6,8 6,8

Indoor fans (A) 8,4 8,4 8,4 8,4 8,4 8,4 8,4

Control (A) 1,8 1,8 1,8 1,8 1,8 1,8 1,8

Total (A) 53,1 58,6 65,3 72,0 76,2 80,4 79,3

Refrigerant

Type R-410A

Global warming potential (GWP) 2.088

Charge (kg) 11,5 11,5 11,5 15,0 15,0 17,0 17,0

Environment impact (tCO2eq) 24,0 24,0 24,0 31,3 31,3 35,5 35,5

Dimensions

Length (mm) 2750 2750

Width (mm) 2115 2115

Height (mm) 1705 2005

Weight (kg) 1071 1071 1071 1104 1104 1210 1210

Condensate outlet Ø 1 1/4” adaptor

Packaged rooftop units

4. SAFETY ADVICE

Natural or propane gas leaks (optional burner):

- Do not operate electric switches or other objects which could cause

sparks.

- Improve the ventilation if located in a closed area.

V-220005

V-220004

- Close the gas supply valve.

- Ensure that there is no one in the vicinity of the leak and request the

intervention of installation staff.

To avoid any risk of accident during installation, commissioning or

maintenance, it is obligatory to take into consideration the following

speciﬁcations for the units: refrigerated circuits under pressure, refrigerant

presence, electrical voltage presence and implantation place.

Because of all of this, only qualiﬁed and experienced personnel can

perform maintenance tasks or unit repairs.

It is required to follow the recommendations and instructions

in the maintenance brochures, the labels, and the speciﬁc

instructions.

It is necessary to comply with the norms and regulations in

effect. It is recommended to consult the competent authorities

regarding the applicable regulations for users of units or

components under pressure. The characteristics of these units

or components are included on the plates of characteristics

or in the regulatory documentation provided with the product.

The compressor and line surfaces can reach temperatures

above 100ºC causing burns to the body. In the same fashion,

under certain conditions these surfaces can reach very cold

temperatures that can cause freezing risks.

Use safety goggles and gloves on the job. Be careful with

sharp parts or elements in the unit.

Caution: Before intervening in the unit, verify that the main

power to the unit is cut off. An electric shock can cause

personal damage.

Note: In order to recycle these units follow the stipulations

of Directive 2012/19/EU on Waste electrical and electronic

equipment (WEEE).

These units work with refrigerant gas R-410A.

In case of a leak:

- Toxicity: According to ASHRAE 34, R-410A belongs to the A1/A1 group,

i.e. with high safety both in the mix and also in the case of a leak.

- Although it is not toxic, in case of a leak to atmospheric pressure the

liquid phase evaporates. The resulting vapours are heavier than air

and can displace the technician local air. In case of an accidental

discharge in a closed enclosure, fans must be used to eliminate said

vapours.

- Although the R-410A is not ﬂammable, when in contact with a ﬂame

o hot spot it can decompose in ﬂuorhydric acid HF and ﬂuophosgene

COF2highly toxic and corrosive.

- To detect leaks, an electronic leak detector, an ultraviolet lamp or

soapy water must be used . Flame detectors do not help.

Important: Immediately repair any refrigerant leak, using

a recovery unit speciﬁc for R-410A that avoids a possible

mixture of refrigerants and/or oils.

Refrigerant leaks:

A periodical check must be performed for refrigerant gas leaks as

per Regulation (EC) Nº517/2014 over certain greenhouse effect

ﬂuoride gases. Please, consult the frequency of checks in chapter

of “Maintenance”.

Components of the R-410A R-32 R-125

Chemical formula CH2F2 CHF2CF3

Weight ratio 50% 50%

Unitary global warming potential (GWP) 675 3.500

Global warming potential (GWP) 2.088

Note: The serial number must be used in all correspondence

regarding the unit.

All units bear, legibly and indelibly, a data plate located in a prime space,

as appears in the attached image: Check that this plate matches the

correct model.

5. UNIT IDENTIFICATION

Check the condition of the equipment upon delivery.

Check that the details on the label, the packing and the data plate match

the order. If equipment has been damaged, or there is a shortfall in

delivery, notify accordingly.

Ref\Reference No Serie\serial Nbr.Año\An.Year

Producto\Product\Produit

Ref. Produit\Item Nbr

Max.Intensidad\Intensité\CurrentKit Elec.Tension\Voltage

Refrig.KG (Fábrica\Factory\Usine)/Co2 Teq.Refrigerant

NoBoPeso\Poids\WeightPSmax(AP\HP) Temp. Max./ IPPSmax(BP\LP)

Fabricante\Fabricant\Manufacturer:

Compañía Industrial de Aplicaciones Térmicas, S.A.

P. Ind. Llanos de Jarata s/n. 14550 Montilla-SPAIN

Contient des gaz à effet de serre fluorés \ Contains fluorinated greenhouse gases regulated by the Kyoto protocol

Contiene gases fluorados de efecto invernadero regulados por el protocolo de Kyoto

2 3

5 6 7

8 9 10

11 12

13 14 15 17

CARRIER SCS

Route de Thil

01122 Montluel-FRANCE

Legend

1Year of manufacture

2Commercial product name

3Serial number

4Description of the product

5Purchase order number

6Sales order number

7Work order number

8Power supply

9Power output of the auxiliary electrical heaters kit (optional) (kW)

10 Maximum absorbed current under full load (A) ( including the electrical kit)

11 Type of refrigerant

12 Refrigerant content (kg) and Environment impact (CO2Teq.)

13 Maximum service pressure in the high pressure side (R-410A = 42 bar)

14 Maximum service pressure in the low pressure side (R-410A = 24 bar)

15 Maximum operating temperature (refer to “Opration limits”)

Maximum shipment and storage temperature: +50ºC

Electrical protection rating: IP54

16 Operation weight (kg) (empty weight + ﬂuid + refrigerant)

17 Notiﬁed Body number for surveillance of the Pressure Equipment Directive

Packaged rooftop units

6. POSSIBLE TYPES OF ASSEMBLIES

M011

IM012

M001

IM002

M000

M010

M021 R

M020

IM022 R

Assemblies with mixing box and free-cooling

MS00

RI R

MS01

IMS02

MS10

MS11

IMS12

MS20

MS21 R

IMS22 R

ME00

ME01

ME02

Standard assembly

- M0 assembly: Change of supply and/or return air position in the

indoor circuit.

- MC1 assemblies: Return EC plug-fan or centrifugal fan in top box

(mixing box of 3 dampers).

- MC0 assemblies: Lower return EC plug-fan (mixing box of 3

dampers).

- MA assemblies: Axial return fan and air extraction (mixing box of 3

dampers).

MA00

MA01

MA02

MC00

MC02

MC01

MC10

MC11

- MS assemblies: Fresh air intake with damper, interlocked with return

damper (mixing box of 2 dampers).

- MRC0 assemblies: Lower return EC plug-fan (mixing box of 3

dampers) + cooling recovery circuit.

MRC00

MRC01

MRC02

- MRC1 assemblies: Return EC plug-fan or centrifugal fan in top box

(mixing box of 3 dampers) + cooling recovery circuit.

MRC10

MRC11

I = Air supply

R = Air return

N = Fresh air inlet

E = Air extraction

Legend

Mwxy

Type of assembly

Air return (0 : standard, 1 : optional, 2 : optional)

Air supply (0 : standard, 1 : optional, 2 : optional)

Assembly

Conﬁguration options (depending on the indoor air circulation)

- ME assemblies: Axial air extraction fan (mixing box of 3 dampers).

Packaged rooftop units

After the placing of the unit, it is recommended to remove the grips

as well as the skids, if applicable, as they can be a hindrance for

maintenance. Put the grips back in case of unit transport. Each grip

is ﬁxed to the crossbar using two M10 screws (hex. key 17).

Unit with condensates pan from the outdoor circuit:

With the outdoor circuit

condensates pan option, the

units include grips as the lifting

system. Check that the grips

are perfectly screwed in before

attaching the slings.

Do not raise any of the units by points outside of those

speciﬁed here. In particular, do not raise them by the

traction points of the skids.

The unit must be lifted and ﬁxed with care and without inclination

(maximum inclination 15º), since it could harm its operation.

Note: please see the weight and the gravity centre coordinates of

each model stated in the following page.

Skid

Gripping

points

Grip Pan

7. TRANSPORT AND HANDLING

Transport

The unit must be handled with care to avoid transport damage. Thus

we recommend:

- Do not dispose of the pallet or the packaging materials until the unit

is in its ﬁnal location.

- For transport in a container, one must be selected that has an easy

load and unload to the installation location. Optionally, the unit may

have skids that allow the units to be slid over the ﬂoor so that the

container would be easily removable. These skids make transport

pallets unnecessary.

Discharging of the unit

The unit can be discharged using a crane with a rocker arm and cloth

slings by using a forklift truck if it is done on the side of the transport

box. If the unit has transport skids at the same height of the transport

box, the unit can be discharged simply by pulling on the skids at the

points set out for them.

When using any of the three above methods, it is always mandatory

to grasp the unit by the points intended for that purpose, as described

in this chapter.

Any handling of the unit by other means or by gripping points different

from those described here may be dangerous for both the unit and

the personnel who are carrying out the discharging or transport work.

Always check the weight of the set and verify that the

discharging method used is approved for handling that weight.

- Discharge via forklift truck:

The unit is designed to be transported safely by using a forklift truck.

The forks of the forklift truck must come in on the side of the unit,

ensuring that the centre of gravity of the unit remains within the forks,

because a misbalance in the transport may cause the unit to turn

over and fall from the forklift truck.

Note: please see the weight and the gravity centre coordinates of

each model stated in the following page.

The recommended length for the forks will be bigger than the unit

width, so that the entire weight-bearing structure of the unit can

be supported on the forklift truck. This also prevents the possible

introduction of the truck’s fork into functional parts of the unit that

may cause damage to the unit.

The standards and recommendations of the forklift truck must also

be respected with regards to the maximum load, inclination of the

fork carriage, elevation of the load for transport, and, in particular,

the maximum speed.

Make sure that the unit is

protected from contact with the

hooks to prevent damage to

the housing.

- Discharge via crane:

A rocker arm, as well as approved cloth slings, both suitable for the

dimensions and weight of the unit, must be used in order to carry

out the work safely and without causing damage to the units or to

workers.

These slings will be hooked to

the two mounting holes located

on each crossbar.

- Discharging to the same plane using skids (optional):

This method will be used only when it is possible to place the

transport box (trailer, maritime container, etc.) at the same height

as the discharging platform (for example, a dock).

Once the unit is discharged, it must be freed from the skids so that

the inserts available for the silent-blocks can be accessed. Each

skid is ﬁxed to the crossbar using four M10 screws (hex. key 17).

To do so, each skid

will be gripped by the

points indicated in the

image so that it can be

pulled from the unit to be

extracted from the box.

Mounting hole detail

Packaged rooftop units

Centre of gravity coordinates (mm)

50EN/EH

M0 assembly MS assembly MA assembly ME assembly

(mm) Y

(mm) Z

(mm) X

(mm) Y

(mm) Z

(mm) X

(mm) Y

(mm) Z

(mm) X

(mm) Y

(mm) Z

(mm)

90HEE / 90T 1064 708 580 1128 766 592 1111 723 575 1111 723 575

120HEE / 120T 1090 696 632 1227 640 640 1137 711 626 1137 711 626

160HEE / 160T 1097 702 695 1158 761 708 1144 717 690 1144 717 690

180HEE / 180T 1093 687 696 1151 740 710 1140 702 691 1140 702 691

200HEE 1264 1018 701 1309 1066 698 1335 1039 693 1335 1039 693

240HEE / 240T 1264 1018 701 1309 1066 698 1335 1039 693 1335 1039 693

320HEE / 320T 1208 1012 644 1251 1059 640 1278 1036 634 1278 1036 634

360HEE / 360T 1231 1017 785 1268 1056 786 1301 1039 777 1301 1039 777

50EN/EH

MC0 assembly MRC0 assembly MC1 assembly MRC1 assembly

(mm) Y

(mm) Z

(mm) X

(mm) Y

(mm) Z

(mm) X

(mm) Y

(mm) Z

(mm) X

(mm) Y

(mm) Z

(mm)

90HEE / 90T 1111 722 574 1155 811 538 1134 841 706 1316 704 922

120HEE / 120T 1137 710 625 1156 796 562 1158 826 755 1305 684 950

160HEE / 160T 1144 716 689 1339 860 668 1166 832 821 1410 851 865

180HEE / 180T 1140 701 689 1423 848 699 1160 820 819 1466 838 897

200HEE 1335 1035 687 1349 977 650 1331 1154 823 1345 1082 874

240HEE / 240T 1335 1035 687 1349 977 650 1331 1154 823 1345 1082 874

320HEE / 320T 1278 1031 629 1289 976 593 1277 1144 767 1287 1077 814

360HEE / 360T 1301 1034 771 1317 986 750 1297 1145 775 1314 1085 836

Electrical heaters 12 kW 18 kW 27 kW 36 kW 45 kW

Weight of module (kg) 11 15 19 24 29

Centrifugal fans 0,75 kW 1,1 kW 1,5 kW 2,2 kW 3 kW 4 kW 5,5 kW 7,5 kW 11 kW

Weight of motor (kg) 10 13 16 21 24 27 40 48 75

Weight supplement from the main options (kg)

50EN/EH 90HEE

90T

120HEE

120T

160HEE

160T

180HEE

180T

200HEE 240HEE

240T

320HEE

320T

360HEE

360T

Pre-assembly roofcurb 189 189 189 189 250 250 250 250

Burner

module

PCH034 195 195 195 195 -- -- -- --

PCH045 -- -- -- -- 253 253 -- --

PCH065 -- -- -- -- 267 267 267 267

PCH080 -- -- -- -- 293 293 293 293

Water coil (empty) 11 11 15 15 35 35 35 42

Supply centrifugal fan -51 -46 -62 -62 -50 -50 -47 -47

Return centrifugal fan MC1 / MRC1 -33 -25 -11 -11 -35 -35 -26 -16

Insulation M0 50mm

M0 135 135 145 145 195 195 195 222

MA / ME

MC0 / MRC0 102 102 109 109 155 155 155 175

MC1 / MRC1 140 140 151 151 209 209 209 240

MS 118 118 127 127 175 175 175 198

Burner 26 26 26 26 55 55 55 55

Single compressor (not in tandem) -21 -15 -10 -22 -32 -32 -22 -31

Weight overview (kg)

50EN/EH 90HEE

90T

120HEE

120T

160HEE

160T

180HEE

180T

200HEE 240HEE

240T

320HEE

320T

360HEE

360T

M0 assembly (standard) 595 616 694 734 1071 1071 1104 1210

MS assembly 625 646 728 768 1120 1120 1153 1258

MA / ME assemblies 738 761 838 878 1274 1274 1307 1445

MC0 assembly 725 748 825 865 1252 1252 1285 1423

MRC0 assembly 775 798 915 955 1312 1312 1345 1503

MC1 assembly 771 809 885 925 1339 1339 1374 1497

MRC1 assembly 818 844 989 1023 1398 1398 1422 1578

Models 90 to 180

Models 200 to 360

Packaged rooftop units

Regulation

system

Important: All of the necessary information for the installation of these

roofcurbs is available in the speciﬁc instruction brochure on roofcurbs,

(supplied with the roofcurb).

Choice of location

When choosing the location, whatever may be the selected fashion, the

following precautions have to be taken into consideration:

- It is mandatory to comply with norm UNE-EN 378-3 on Safety

and Environmental Requirements. Part 3: “In situ” installation and

protection to people.

- It is necessary to check that the structure supports the unit’s weigh

(please see the weight in the table in the “Weight summary” section).

- The area where the unit will be located must be perfectly accessible

for cleaning and maintenance operations (check minimum free space

for maintenance). Leave enough space for air circulation around the

unit.

8. LOCATION AND ASSEMBLING

- Since the unit is designed to work outdoors, some speciﬁc installation

norms must be followed:

• The unit will be located on the roof of the premises. If it is foreseen

that it will work more on heating than on cooling, it is preferable to

direct the coil towards the sun. If little work on heating is foreseen,

choose North direction.

• Avoid placing obstacles in the air supply or return. No obstacle

may impede the air aspiration into the coils. Do not ﬁx the outdoor

coil side in the predominant wind direction.

• Do not install the unit in a closed enclosure or in conditions that

originate air recirculation.

• The chosen location must not ﬂood and must be above the average

height the snow reaches in that region.

Foresee appropriate damping devices in these ﬁxings to

ensure that noise and vibration transmission is avoided (refer

to the section “Anchorage for antivibrators”).

Antivibrators assembly (silent-blocks)

Although the installer is the one who must decide on a case-by-case

basis the best way to place the unit in the ultimate location, always in

observation of the handling standards that have been described, below

is a proposed assembly sequence that may facilitate the operation,

keeping in mind that the sequence performed in the installation shall

be the one most suitable to the solution chosen for each particular

case based on the existence (or lack thereof) of brick frames, type of

silent-blocks used, etc.

Preparation of the ground

It is necessary to ensure that the surface where the unit is going to

be installed in completely ﬂat. Any defect in the preparation of the unit

support surface translates into stresses on the structure, which may

result in its deformation.

These units can be installed on the ﬂoor or on a brick frame or steel

proﬁle. Based on the ﬁxing solution deﬁned in the installation project,

it will be necessary to plan the placement in the base of threaded

rods in the expectation that the unit supports can be ﬁxed later on. To

do so, it is recommended that a template be made with the heights

corresponding to the ﬁxings.

In the event of assembling directly on silent-blocks to the ground, it is

recommended that a template of the unit’s footprint with the anchoring

points of the silent-blocks be made, as described in the previous section.

With the help of the crane or the forklift truck, the unit will be raised to

a sufﬁcient height that the silent-blocks can be screwed into its base.

The 4 silent-blocks of the corners must remain oblique and the interiors

perpendicular to the unit.

M12 metric threads have been provided for their placement in the

supports indicated in the following section “Anchorage for antivibrators”.

A hex key 19 or Allen wrench 10 will be used for this operation based

on the type of screw used.

This image shows how the

silent-block option that can

be supplied for this unit is

ﬁxed to the unit.

Preassembly roofcurb (optional)

Optionally, standardised pre-assembly roofcurb made of galvanised

steel panelling with polyester paint and thermally insulated with

adjustable heights can be supplied.

Ce manuel convient aux modèles suivants

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