Install outdoor unit electric wiring – Friedrich MW12C1H User Manual

Page 25

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Ø

Condensate drainage of outdoor unit (no for cooling only)

The condensate and defrosting water formd during heating

in the outdoor unit can be properly discharged by drainage

pipe .

Installation method:set the drain connection in 25 hole of the

chassis has been installed and then connect drainage pipe

with drain nozzle,so that condensate and defrosting waer can

be properly discharged

Chassis

Drain

connection

Install outdoor unit

Electric wiring

NOTE:

Wrong wiring may cause spare parts malfunction.

After the cable fixed, make sure there should be a free space between the connection

and connection and fixing place on the lead wire.

Cable Cross Plate sub-assy

N(1) 2

3

BU

BK

BN

BN

Air purging and leakage test

3.

4.
5.

1.
2.

Disassemble the cable cross plate sub-assy on the outdoor unit right side plate.

Take off wire clamp. Connect and fix power connect

cord (for cooling and heating unit,connect and fix power

connect cord and signal control wire)to terminal of line

Fix the power connection cable with wire clamp,

(for cooling and heating unit, use the wire clamp

to fix the power connection cable and the signal

control wire), then connect the corresponding

Ensure wire has been fixed well.
Install the cable cross plate sub-assy.

connector.

bank. Wiring should fit that of indoor unit.

5

-1.0 10 pa

(-76cmHg).

10

Fig.

1. Connect charging hose of manifold valve to charge end of low pressure

valve (both high/low pressure valves must be tightly shut).

2. Connect joint of charging hose to vacuum pump.

3. Fully open handle handle of Lo manifold valve.

4. Open the vacuum pump to evacuate. At the beginning, slightly

loosen joint nut of low pressure valve to check if there

is air coming inside. (If noise of vacuum pump has

been changed, the reading of multimeter is 0) Then

tighten the nut.

5. Keep evacuating for more than 15mins and make

sure the reading of multi-meter is

6. Fully open high/low pressure valves.

7. Remove charging hose from charging end of low pressure valve.

8. Tighten bonnet of low-pressure valve. (As shown in Fig.10)

Liquid pipe

Gas pipe

Valve

cap

Vacuum

gauge

Vacuum pump

L

N

N

L

BU YEGN

N(1) 2

3

BU

BK

BN

BN

L1 L2

L2

L1

BU YEGN

For 115V Uints

For 208~230V Uints

Power

Power

21

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