Johnson Controls (H,Y)VAHP072B31CW, Installation And Maintenance Manual

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68
P00877Q
DIP Switch Setting Operation Remarks
Test Run
1. Setting of Operation Mode
Cooling: Set No.2 pin of DSW4 OFF.
ON
OFF
1 2 3 4 5 6
Heating: Set No.2 pin of DSW4 ON.
ON
OFF
1 2 3 4 5 6
2. Starting Test Run
Set No.1 pin of DSW4 ON and
the operation is started after
a few ~ 20 seconds.
Example: Cooling Operation
ON
OFF
1 2 3 4 5 6
If heating operation leave
No.2 pin of DSW4 at ON.
1. The indoor unit automatically
starts operating when the test run
of the outdoor unit is set.
2. The ON/OFF operation can
be performed from the wired
controller or No.1 pin of DSW4 of
the outdoor unit.
3. The operation continues for
two hours without Thermo-OFF.
* Note that indoor units operate in
conjunction with the test run operation
for the outdoor unit.
* If the test run is started from the
outdoor unit and stopped from the wired
controller, the test run function of the
wired controller is canceled. However,
the test run function of the outdoor unit
is not canceled. Check to ensure that
the No.1 pin of DSW4 of the outdoor
unit PCB is turned OFF.
* If multiple indoor units are connected
with one wired controller, perform
the test run operation individually for
each refrigerant system, one by one.
Then, make sure to turn the power
source OFF for the indoor units in other
refrigerant systems not selected for the
test run operation.
* A setting of DSW4 is not required for the
test run from the wired controller.
Manual
OFF of
Comp.
1. Setting
*Compressor Manual OFF:
Set No.4 pin of DSW4 ON.
ON
OFF
1 2 3 4 5 6
2. Canceling
*Compressor ON:
Set No.4 pin of DSW4 OFF.
ON
OFF
1 2 3 4 5 6
1. When No.4 pin of DSW4 is ON
during compressor operation,
the compressor shuts down
immediately and the indoor unit
is assumes the condition of
Thermo-OFF.
2. Once No.4 pin of DSW4 is placed
back into the off position, the
compressor will be enabled for
restart following a three minute
safety delay.
* Do not repeat compressor ON/OFF
frequently.
Outdoor Unit
Test Run
Power OFF.
Indoor
Unit