MovinCool CMW30 User Manual

Installation manual

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1. Inventory

After unpacking, please check to make sure you have the following items. If any of these items

were not included in the box or appear damaged, please contact your MovinCool reseller for

replacement (see Fig.1).

1

INSTALLATION MANUAL

For CMW30

Compressor Assembly (Part No. 484650-3150)

Compressor ( 1 )

Pipe 1 (1)

Pipe 2 (1)

Water

Supply

Water

Return

Drain Plug

Drain Port

Shut-off Valve

CMW30

Unit

Fig. 3

Fig. 2

Fig. 1

Insulator B (1)

Insulator A (1)

Cushion (3)

2-2. Loosen one (1) bottom screw, then remove nine (9) screws to take off the service panel

(see Fig. 3 ).

Screws (9)

Bottom Screw (1)

Service Panel

2. Removal of Compressor Assembly

WARNING: Disconnect power supply from the CMW30 unit before performing any

service. Beware that some residual voltages may remain in the unit

immediately after the power is disconnected.

!

2-1. Shut off the water supply and return, then remove the drain plugs to drain the water from

the condenser via the drain ports (see Fig. 2).

4

P/N 484007-3511 Second Issue: September 2011

2- 8. Braze at point A and B, then remove pipe 1. Braze at point C and D, then remove pipe 2.

Remove three (3) nuts and three (3) washers and keep them for installation, then remove the

compressor. Remove three (3) cushions and discard (see Fig. 9).

MC-W Wire

MC-V Wire

MC-U Wire

OLC-1 Wire

OLC-2 Wire

Nut (3)

Washer (3)

Cusion (3)

Fig. 9

Pipe 2

D

C

Pipe 1

A

B

Accumulator

Compressor

3. Installation of Compressor Assembly

3- 1. Install three (3) cushions to the bolts and mount the supplied compressor to the unit. Insert three (3)

washers and tighten three (3) nuts at the torque of 8.3 ± 2.1 ft.lbf (11.3 ± 2.9 N.m). (see Fig. 9).

3- 2. Braze pipe 1 at point A and B, then braze pipe 2 at point C and D (see Fig. 9).

3- 3. Re-install overload relay, wires, and plastic cover after brazing (see Fig. 10).

3- 4. Apply insulator A to the accumulator, then vacuum and charge the R-410A refrigerant with the

amount of 2.31 lb (1.05Kg) through tube 1, and then apply the insulator B to tube 1 (see Fig. 8).

3- 5.

3- 6. Install the rear panel, AC Fan motor, top panel, service panel, reconnect the inlet and outlet water

pipes, install drain plugs, and turn on the water supply in the reverse order of the removal steps.

Reconnect CN103, CN104, CN105, and CN7 wires to the relay board (see Fig.4).

CAUTION: To avoid damage, remove the plastic cover, wires, and overload relay

from compressor before brazing at point D (see Fig. 10).

Fig. 10

Plastic Cover

Overload Relay

!

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