Munters FA6 Manuel utilisateur

FA6

HC/MMA/IGB-1712-06/10 pdf SOS eklamStudio

Evaporative

Humi ifier/Cooler

FA6 for AHU’s

– Installation instructions

– Operation an Maintenance

– Spare Parts

Disclaimer

Munters reserves the right to make alterations to specifications, quantities, dimensions etc. for production or other reasons,

subsequent to publication.

The information contained herein has been prepared by qualified experts within Munters.

While we believe the information is accurate and complete, we make no warranty or representation for any particular purposes.

The information is offered in good faith and with the understanding that any use of the units or accessories in breach of the

directions and warnings in this document is at the sole discretion and risk of the user.

This manual has been prepared in English as original language.

FA6 Installation planning

– Connection of col -water, rain an power 4

Simple to install 4

Placement in unit space 4

Water connection 5

Circulating-water system 5

Direct-water system 5

Pressure requirements at water supply connection point 5

Air filter 5

Water discharge 5

Calculation of the size of the water trap required 5

Technical specifications 6

Electrical data – circulation pump 6

Electrical – solenoid valve for step control 6

Drain capacity 6

Sound attenuation 6

Maximum continuous operating temperature 6

IP classes 6

Electrical connections 7

Electrical connection for the pump motor 7

Electrical connection for the solenoid valve 7

Motorized drain valve 7

Programming off BMS/control system 8

Safety responsibility 8

Improper use of equipment 8

Disposal of used humidifier cassettes 8

Dimensions, weights and pump sizes 9

Installation 10

Delivery conditions and storage 10

Inspection 10

Transport and lifting 10

When delivered assembled 10

When delivered as components 11

Assembly instruction rain system FA6 12

Start-up 13

Inspection before startup 13

First start up/ Rinsing clean the humidifier 13

Adjustment of bleed-off flow 13

Service 13

Periodic maintenance 13

Annual service 13

Annual inspection 13

Cleaning distribution holes 13

Cleaning the reservoir and pump filter 14

Disassembly of cassettes and droplet separators 15

Restart after service 15

Fault-fin ing

Fault-finding table 16

Spare parts 17

Ordering spare parts 17

Parts list 17

Spare-parts list 18

Item number for humidifier modules 19

Item number for droplet separator 19

Contents

Simple to install

The FA6 is easy to install and easy to configure into both exist-

ing and new VAC systems.

For installation you need to have access to electricity

(400V/50 z) and (230V/50 z) as standard for Pump and

Solenoid valves. Pump for (230V/50 z) or (120V/60 z) and

solenoid valves for (24V AC) are available as option on stan-

dard FA6.

Water supply (1-10 bar) and drainage (Ø 50 mm). See the

technical manual for details.

Connect to existing BMS/control system or Munters can

supply a new control system for the control of humidifier/

cooler.

Due to its high performance and compact design it is the ideal

replacement for older, less efficient humidifiers/coolers.

Included in standard delivery or connection

o water supply.

Direct water system

1 Shutoff valve ½” male connection

2Solenoid valve ½” female

3 Constant flow valve ½” female

4 Flexible hose ½” female

Circulating water system

1 Shutoff valve ½” male connection

2 Solenoid valve for water inlet is included in design

3 Flexible hose ½” female

Not included in delivery but recommended

1 Water filter 18060708 a pore size of 500 µm

2 Water trap (Ø 40 mm) 180CU1060 and 40-55 mm adapter

Make sure AHU section where FA6 unit will be placed is

designed to carry the weight of the unit.

The humidifier is to be installed level and the floor must with-

stand water.

The unit space is to have a drain for any water spilled dur-

ing service.

To simplify the installation of piping, it is recommended

that a permanent access cover be installed in the lower part of

the Inspection hatch.

Make sure access for inspection/service is possible in a

safe way through the AHU inspection door.

FA6 Installation planning

– Connection of cold-water, drain and electricity

Placement in unit space

Cold water

Drainage

Circulating-water system

The total water consumption can be calculated using the

instructions in FA6 Technical manual page 18.

The necessary water pressure can be found in table below.

The cold-water supply is to be installed so that any condensa-

tion from the pipes falls into the reservoir. The cold-water

supply is provided with a shutoff valve to shut off the water

supply during service. A water filter having a pore size of 500

µm is recommended to be installed.

Direct-water system

The total water consumption can be found in FA6 Technical

manual, page 17.

The cold-water supply is to be installed so that any conden-

sation from the pipe falls into the reservoir. The cold-water

supply is to be provided with a shutoff valve in order to be able

to shut off the water supply during service. A water filter

having a pore size of 500 µm is recommended to be installed.

Air ilter

The humidifier is to be equipped with a pre-filter of at least

EU3 class. This will prevent dust with particularly long fibres

from sticking to the inlet side of the humidifier.

For installations where the air contains organic dust, a fine

filter of at least EU7 class is recommended.

Water discharge

The discharge pipe from the humidifier is connected via the

rubber socket and the recommended water trap to a wastewater

system.

The water trap must be sized to take into account the maxi-

mum under pressure in the humidifier reservoir during opera-

tion, i.e. at start-up when the fan is running and the dampers

are fully closed.

To calculate the size o the water trap required:

Suction side (normal installation)

1. With the fan running and all dampers closed, measure the

under pressure (P) downstream.

2. Use the following formula to design the water trap:

A≥ P + 25 mm

B≥ (P + 25)/2 + 25 mm

C≥ 32 mm (Ø 40 mm) if using Munters Water trap.

To avoid design and installation problems of the water trap we

recommend the use of Munters standard Water trap, art no

180CU1060.

Mounting instructions

Suction side fan after humidifierMount pressure reduction

hose A inside A U unit, after the humidifierPressure side (fan

before humidifier) Mount pressure reduction hose A outside

A U unit.

Water connection

Pressure requirements

Circulating water Direct water

Required min. pressure at

connection point

500 kPa*

(5.0 bar)

150 kPa

(1.5 bar)

Permitted max. pressure at

connection point

1,000 kPa

(10.0 bar)

1,000 kPa

(10.0 bar)

Pressure requirements at water supply connection

point

∆

Connection points and access space requirements for service 1. Supply air

2. umidified air

3. Electrical connection point for pump

4. Cold-water connection female threaded coupling, 1/2” 18 mm

5.Discharge pipe with a rubber socket for piping with dimen-

sion d=50 mm / 2”.

6.Access for inspection and servicing

Technical specifications

Pump size

(ref. p. 9)

Voltage

V ±10%

Frequency

Power

ated

current A

8 KTF16 3-phase

∆230/Y400 50 49 0.26/0.15

9 KTF51 3-phase

∆230/Y400 50 75 0.38/0.22

10 KTF81 3-phase

∆230/Y400 50 140 0.71/0.41

11 KTF82 3-phase

∆230/Y400 50–60 220 0.95/0.55

Voltage

V ±10% Frequency Hz Power

1-phase 230 V(AC) 50–60 43/24

24 V(AC) 50–60 15

Bottom valve only 30 l/min

Overflow protection only 30 l/min

Bottom valve + overflow protection 60 l/min

Air Water

GLASdek 200 °C 40 °C

Mesh reinforced plastic hose 50 °C 50 °C

PVC pipes 50 °C 50 °C

Circulation pump ON 40 °C 80 °C

Circulation pump OFF 75 °C 80 °C

Integral attenuation, dB

Octave band Hz

63 125 250 500 1,000 2,000 4,000 8,000

FA6-65 3 2 2 2 4 5 8 10

FA6-85 3 2 2 3 5 6 12 15

FA6-95 3 2 3 3 5 7 13 16

Drain capacity

Pump 54

Solenoid valve 65

Drain valve 54

IP classes

Electrical – solenoid valve or step control

Electrical data – circulation pump Sound attenuation*

Maximum continuous operating temperature

*) Sound level for FA6 unit is not above 70 dB.

Stated drain capacity is valid when using 50mm drain pipes.

Warning: High voltage is used in FA6 units!

All electrical connections and wiring must be done

according to national standards by qualified person-

nel. To avoid damage on wires during normal oper-

ation and service.

Electrical connections

Electrical connection or the pump motor

Main power: 230 V Main power: 400 V

Electrical connection or the solenoid valve

1-phase, 230 V

Motorized drain valve

This is Munters recommendation of controlling the units in step control mode.

Programming off BMS/control system

Item

Mode BV drain SV supply** Pump step 1 SV step 2 SV step 3 SV step n

Off open 0 0 0 0 0

Ready closed 1 0 0 0 0

Step 1* closed 11000

Step 2 closed 1 1 1 0 0

Step 3 closed 1 1 1 1 0

Step n closed 1 1 1 1 1

SV Solenoid valve for water-supply / step control 2 / step control 3 …

BV Motorized ball-valve for drain (230 V, 1-phase, 4 wire)

Pump Circulation pump (400 V, 50 z, 3-phase)

* Allow 5 min delay for complete filling of the tray.

** For direct water SV supply is Step 1.

There should be a time delay off 15 min in the control mode off each step.

Step 1 pump starts.

Step 2 solenoid valve no: 1 opens (must be open min 15 min before second solenoid valve opens).

Step 3 solenoid valve no: 2 opens (must be open min 15 min before third solenoid valve opens).

The time delay off 15 min is also applicable when closing solenoid valves/steps.

Sa ety responsibility

Each person who works with, or operates, a humidifier is

primarily responsible for:

• Personal safety, the safety of others, and the prevention of

damage to the humidifier

• The humidifier being operated correctly

• Electrical wiring must be done according to national stan-

dards by qualified personnel.

These instructions explain how the humidifier is to be used.

These instructions are only recommendations and are not a

substitute for the responsibility stated above.

Improper use o equipment

If the humidifier is used improperly, personal injury or

damage to the product may occur.

The humidifier may not be placed in operation before the

product, or the system of which the humidifier is a part has

been declared to agree with the specifications of the ma-

chinery directive and its supplements.

The pump motor must be provided with a trip switch so that

the power can be cut off during service and maintenance

work. The trip switch shall be mounted on the humidifier.

All electrical cabling must be secured in a safe way to avoid

damages during normal operation or service or prevent the

removal of cassettes.

FA6 unit with all electric components must be included

in A U emergency stop function.

The pump motor is to be protected by a motor protection

device.

Warning: The humidifier may not be connected to any

voltage or frequency other than that shown on the rating

plate.

Note: Do not step on unit or drain/water pipes.

Disposal o used humidi ier cassettes

The material used in cassettes is not combustible. Used cas-

settes should therefore be treated in the same way as other

incombustible materials such as plasterboard or bricks.

The material is to be disposed of at sites approved by the

authorities.

Dimensions, weights and pump sizes

Humidifier with height over 210 cm are delivered disassembled.

Upon re uest other sizes can be delivered disassembled.

FA6-65 FA6-85 FA6-95

C=630 mm, D=100 mm C=630 mm, D=200 mm C=730 mm, D=300 mm

Dimensions Qty Pump size Weight Pump size Weight Pump size Weight

mm cassettes kg kg kg

AB Width Width Wet Dry Wet Dry Wet Dry

Size 300mm 600mm

060-060 600 8 44 23 8 50 26 8 58 28

060-090 600 900 1849 26 8 57 30 8 70 33

060-120 1200 8 52 28 8 64 33 9 80 38

090-060 600 8 60 29 8 69 33 8 84 39

090-090 900 900 11 8 66 32 8 78 38 8 100 46

090-120 1200 8 73 35 8 91 43 9 116 53

120-060 600 8 76 35 8 88 41 9 106 48

120-090 1200 900 2884 39 8 100 46 9 129 56

120-120 1200 8 92 42 8 115 52 9 148 64

150-090 900 8 103 48 8 124 56 9 159 67

150-120 1200 8 113 51 8 142 62 9 184 79

150-150 1500 1500 12 8 123 55 9 159 71 9 208 90

150-180 1800 8 134 60 9 178 79 9 237 102

150-210 2100 8 141 64 9 197 88 9 262 113

150-240 2400 8 150 68 9 212 95 10 286 123

180-090 900 8 118 50 8 142 61 9 185 76

180-120 1200 8 134 59 8 169 74 9 218 91

180-150 1800 1500 38146 64 9 187 82 9 247 104

180-180 1800 8 158 70 9 210 92 10 281 118

180-210 2100 8 165 74 9 233 102 10 309 130

180-240 2400 8 177 79 9 250 109 10 338 142

210-120 1200 8 156 68 9 197 86 10 254 107

210-150 1500 8 169 74 9 219 96 10 288 121

210-180 2100 1800 13 8 184 81 9 245 108 10 328 138

210-210 2100 8 193 85 9 271 118 10 362 153

210-240 2400 8 206 91 9 292 128 11 395 167

240-120 1200 8 175 75 9 221 95 10 286 118

240-150 1500 8 191 82 9 246 106 10 325 134

240-180 2400 1800 48206 89 9 276 119 11 370 153

240-210 2100 8 216 94 9 306 131 11 407 169

240-240 2400 8 232 101 9 329 141 11 446 185

240-270 2700 9 247 107 9 359 153 11 483 195

270-120 1200 8 197 84 9 250 107 10 323 133

270-150 1500 8 241 91 9 278 119 10 366 152

270-180 2700 1800 14 8 232 100 9 310 134 11 417 173

270-210 2100 8 244 106 9 345 148 11 461 192

270-240 2400 9 261 113 10 372 160 11 503 210

270-270 2700 9 277 120 10 405 174 11 554 231

300-120 1200 8 216 91 9 274 116 11 355 145

300-150 1500 8 235 99 9 304 129 11 403 164

300-180 1800 58254 108 10 341 145 11 459 186

300-210 3000 2100 8 267 114 10 380 161 11 505 207

300-240 2400 9 286 122 10 408 173 11 554 227

300-270 2700 9 305 130 10 445 188 11 610 250

300-300 3000 9 336 141 10 462 222 11 638 309

Delivery conditions and storage

Every humidifier is inspected before being delivered to ensure

good quality. If a humidifier needs to be stored before installa-

tion, it must be covered and protected from physical damage as

well as from dust, water and snow. Keep the humidifier in its

packing as long as possible.

• umidifiers 060-060 up to 210 are delivered ready

assembled.

• umidifier with height over 210 cm are delivered

disassembled.

Upon request other sizes can be delivered disassembled.

Note that the stainless-steel self-tapping screws and the cover

plate between the unit casing and the humidifier are not part

of the delivery.

Inspection

Remove the packing material and check that the humidifier

has not been damaged in transport. Damage must be reported

prior to installation.

Transport and li ting

The humidifier must always be handled carefully. Provided that

the packing material has not been removed, the humidifier can

be lifted by a crane or fork-lift truck. If a crane is used, meas-

ures must be taken to prevent damage to the cassettes, pump

and discharge pipe.

Please note that units larger than the following height (see

Chart 1 below) have cassettes with a weight of more than

25 kg/pc! Be careful when lifting /removing the parts to avoid

injuries.

Caution: Spilled water can cause slippery surface.

When delivered assembled

1. Remove the distribution eaders*.

2. Remove the cassettes and any droplet separator*.

3. Place the reservoir along with the rest of the components in

the A U unit.

4. Continue at item 2 see below.

* 1-2 if needed small units can in most cases be installed mounted.

Installation

Weight in motion, over 25 kg. Be careful when

moving the parts.

Unit height [cm]

Wet Dry

95% (300 mm) 120 180

85% (200 mm) 150 270

65% (100 mm) 300 —

Chart 1

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