Install Outdoor Unit - Friedrich MR09C1H Installation And Operation Manual

Install outdoor unit

Disassemble the cable cross plate sub-assy on the outdoor unit right side plate.
1.
2.
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
bank. Wiring should fit that of indoor unit.
3. 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
connector.
4.
Ensure wire has been fixed well.
5.
Install the cable cross plate sub-assy.
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.
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
(-76cmHg).
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)
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
chassis has been installed and then connect drainage pipe
with drain nozzle,so that condensate and defrosting waer can
be properly discharged
Electric wiring
Air purging and leakage test
-1.0 10 pa
Ø
21
Cable Cross Plate sub-assy
5
25 hole of the
For 115V Uints
N
N(1) 2 3 L
BU BK BN BN BU YEGN
L N
Power
For 208~230V Uints
N(1) 2 3 L1 L2
BN
BU BK BN BU YEGN
L2
Power
Liquid pipe
Vacuum
Gas pipe
gauge
Valve
cap
Vacuum pump
Fig.
10
Chassis
Drain
connection