Si33-105
Test Operation
Test Operation R407C PLUS Series Heat Recovery System
105
1.1.3 Check Operation.
Refer to Wiring Check Operation on P121
Carry out wiring check operation,
and check wiring and piping connections.
Set the operation mode to ”cool.“
Set to the test operation mode
and operate using the remote controller.
Normal operation
For wiring check operation procedure, see wiring
check operation.
Even if it's the heating season, set to cooling
mode in order to prevent liquid from backing
up.
To enter the test operation mode, push the
inspection / test operation button of the
indoor unit remote controller 4 times. Push
once more to return to the normal operation
mode.
•Make sure cold air is coming from the indoor
unit.
•Run the indoor units one at a time, and
make sure that the corresponding outdoor
units also run.
(VF130)
Caution
When the 400 volt power supply is applyed to "N" phase by mistake, replace
Inverter P.C.B (A2P) and control transformer (T1R, T2R) in switch box together.
(V0847)
Summary of Contents for R407C PLUS
Page 1: ...System R407C PLUS Series Heat Recovery System Si33 105 Service Manual ...
Page 11: ...Introduction Si33 105 x ...
Page 41: ...Specifications Si33 105 30 Specifications R407C PLUS Series Heat Recovery System ...
Page 147: ...Test Operation Si33 105 136 Test Operation R407C PLUS Series Heat Recovery System ...
Page 263: ...Si33 105 iv Index ...
