ClimateWorx IR Series Manuel utilisateur

In Row

Installation Manual

ClimateWorx International Inc.

14 Chelsea Lane, Brampton, Ontario, Canada L6T 3Y4

In Row Installation Manual

- 2 - In Row-M52-IM2017.doc

In Row Installation Manual

In Row-M52-IM2017.doc 3

Table of Contents:

1.0 Site Preparation.......................................................................4

2.0 Location Consideration.............................................................5

Positioning of Indoor Units................................................................................................5

Positioning of Outdoor Heat Rejection Devices ................................................................6

3.0 Installation..................................................................................7

3.1 Handling and Unpacking Equipment...........................................................................7

3.2 Electrical Connection...................................................................................................9

3.3 Interconnecting Wiring ................................................................................................9

4.0 Auto Transfer Switch (Optional on 24”).................................10

4.1 ATS Principle of Operation........................................................................................10

4.2 ATS Features..............................................................................................................11

Refrigerant Pipe work Installation................................................12

Recommended Pipe Size for Remote Condenser..............................................................13

Evacuation .......................................................................................................................13

Charging.........................................................................................15

Water / Glycol / Chilled-water Pipe work Installation..................16

Piping Connection Sizes...............................................................18

Temperature (Rack) Sensor Installation.......................................19

Appendix A: Dimensional Drawings.............................................20

Appendix B: Piping Schematic Diagrams....................................23

Appendix C: Electrical Schematic Diagrams...............................27

In Row Installation Manual

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1.0 Site Preparation

In order to maximize operation efficiency and performance, the following areas

should be observed in the site planning stage:

- A vapor seal to eliminate moisture migration through the building

structure should surround the room. Windows should be sealed and

at least double-glazed to prevent sweating. All doors jams should fit

tightly and should not have any grilles in them. Polyethylene film type

ceiling, vinyl wallpaper or plastic base paint on the walls and slab are

recommended to minimize absorption and transmission of moisture

into the room.

- Owing to the general nature of small population, a typical room should

have outdoor fresh air kept at only about 5% of the recirculated air.

This provides enough ventilation for personnel and pressurizes the

room to prevent dust from entering through leaks. The incoming fresh

air must be filtered very closely, and preferably pretreated. Otherwise

heating, cooling, humidifying and dehumidifying loads of the incoming

fresh air should be taken into account in determining total loading

requirements.

- All cables and piping should be carefully routed to lower resistance to

the distribution of conditioned air and to avoid the blockage of air-path

to any portion of the room. As a good practice, all cables and piping

running under the raised floor should be mounted horizontally and

whenever possible, routed to run in parallel with the air-path.

- In order to obtain the most effective air distribution, units should not

be located too close together. Attention should be taken to avoid

locating the units in an alcove or an extreme end of a long narrow

room.

In Row Installation Manual

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2.0 Location Consideration

Positioning of Indoor Units

The units are designed to be free standing on a slab floor or a raised floor with sufficient

supports underneath. The unit should be isolated using a suitable isolation method.

Typical In Row Unit with IT Cabinets

ClimateWorx OEM equipment uses a threaded leveling foot with a

locking nut. Use bottom nut to lock the leveling foot in place.

The room layout should provide 33” service clearance in the front

and the rear of the unit for routine service and maintenance.

In Row Installation Manual

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Positioning of Outdoor Heat Rejection Devices

The outdoor heat rejection devices such as air-cooled condensers and glycol coolers should be

located as close to the indoor unit as possible. From a security and environment standpoint, the

outdoor heat rejection devices should be installed away from public access and occupied spaces

where low ambient sound level is required.

In order to avoid short-circuiting and inter unit recirculation, outdoor heat rejection devices should

be located as per above.To ensure maintenance-free operation, outdoor heat rejection devices

should be located away from areas continuously exposed to loose dirt and foreign materials that

may clog the coil.

The outdoor heat rejection devices should be firmly secured on steel supports or concrete plinths.

Louvers/Fences

4 ft (1.25 M) Min.

Min 80 %

Free Area

Multiple Units

8 ft (2.50 m) Min.

Side By Side

4 ft (1.25 m) Min.

End to End

Units in Pits

8 ft (2.50 M) Min.

Top of Condenser Must be Level with or Above Top of Pit

4 ft (1.25 M)

Min

8 ft

(

2.50 M

)

Min.

Walls or

Obstructions

4 ft (1.25 M) Min.

Overhead

Obstructions Not

Permitted

8 ft

(

2.50 M

)

Min.

4 ft (1.25 M)

Min. 8 ft

(

2.50 M

)

Min.

In Row Installation Manual

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3.0 Installation

3.1 Handling and Unpacking Equipment

3.1.1 Initial Inspection

Upon arrival of the ClimateWorx unit and prior to unpacking it, please

conduct a visual inspection of the unit. Check for external damage(s)

whether visible or concealed. Any damage(s) noted should be immediately

reported to the transport carrier. Damage(s) claimed must be made towards

the carrier.

3.1.2 Uncrating

The ClimateWorx units are:

Shrink

wrapped

with clear

film.

Crated with

wood

strapping.

Mounted on

a wooden

skid.

Wrapped with cardboard

corners, tops and sides.

1. Carefully remove wooden

crate (strapping) using a

crowbar.

Remove Outer Packaging

To Unpack the Unit :

2. Remove shrink wrapping.

3. Remove cardboard tops

and sides.

PLEASE NOTE:

Units shipped in dedicated trucks will typically have all the items above

without the Wood Strapping.

In Row Installation Manual

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3.1.3 Removing Unit from Skid:

1. Use a forklift to physically remove unit from skid.

2. Align the forklift with either the front or rear side of the unit.

3. Make sure forklift forks are full into unit – do not lift unit if forks are halfway in – doing

so will damage the unit frame.

4. Lift the unit.

5. Remove the skid from under the unit.

6. Unit now ready to be “placed” on floor and can be moved around on factory installed

castors.

Y E S NO

In Row Installation Manual

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3.2 Electrical Connection

All models are fitted with one (two when ATS is provided), 3-pole

mains isolators, neutral and earth terminal, which are located in the

electrical power panel.

The isolators and terminals will accept cables up to #2 AWG (35

mm²). The power cables should be sized in accordance with local

and national codes. Refer to the "Electrical Data" section in the

Technical Data Manual for current requirements.

The disconnect switch on the front of the unit is mechanically

connected to power source disconnect switch. Opening the

disconnect switch will turn off both the sources of power to the unit.

3.3 Interconnecting Wiring

All the units internal wiring are completed and tested prior to delivery.

A numbered terminal block for field installed control wiring is

provided at the upper area of the power panel.

The numbered terminal block will accept control wiring up to #12

AWG (4 mm²). The terminal assignment is listed as follows:

Terminal Function Requirement

11-12 Standby enable Normally open output

13-14 Common alarm (General) Normally open output

21-22 Common alarm (Critical) Normally open output

15-16 Remote on / off Normally open dry contact input

17-18 Standby start Normally open dry contact input

19-20 Fire alarm Normally closed dry contact input

23 thru 28 Condenser/Pump interlock Normally open dry contact output

31-32 Compressor disable (optional) Normally open dry contact input

35-36 Remote on/off Interrupt (optional) Normally open dry contact input

37-38 Unit Status (optional) Normally open dry contact output

39- 42 Custom Fault1/2 (optional) Normally open dry contact input

43- 44 Liquid High Limit (optional) Normally open dry contact input

49- 50 Hum/ Reheat disable (optional) Normally open dry contact input

57- 58 Damper Motor Interlock (optional)Normally open dry contact output

59- 60 Damper End Switch (optional) Normally open dry contact input

In Row Installation Manual

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4.0 Auto Transfer Switch (Optional on 24”)

4.1 ATS Principle of Operation

The Auto Transfer Switch monitors the availability of power from either source to the

unit using phase monitor devices and automatically switches to the secondary source of

power when the primary source fails using mechanically and electrically interlocked

contactors. Once the primary source of power is restored the unit will automatically

switch back to primary power (i.e Automatic transfer switch shall auto reset on a

return to normal/clean power). Independent and interlocked timing relays ensure the

components in the unit shut down during the change over. They allow the

microprocessor to perform the normal component sequencing to minimize the load on

the power sources during the times of transfer and limit the stress on the components

normally associated with transferring power under load.

ClimateWorx Electrical Panel

c/w A T S Components and

power source selector

switch

Ce manuel convient aux modèles suivants

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