Field Setting
SiUS28-902_a
63
Test Operation
3.3.3 Setting of Refrigerant Recovery Mode
When carrying out the refrigerant collection on site, fully open the respective expansion valves
of indoor and outdoor units
Both the outdoor unit and the indoor unit cannot be operated at this time.
[Operation procedure]
In
setting mode 2
with units in stop mode, set
Refrigerant Recovery / Vacuuming mode
to ON. The respective expansion valve of indoor and outdoor units are fully opened. (H2P
turns to display
TEST OPERATION
(blinks),
TEST OPERATION
and
UNDER
CENTRALIZED CONTROL
are displayed on the remote controller, and the operation is
prohibited.
Collect the refrigerant using a refrigerant recovery unit. (See the instruction attached to the
refrigerant recovery unit for more detail.)
Press Mode button
BS1
once and reset
Setting Mode 2
.
3.3.4 Setting of Vacuuming Mode
In order to perform vacuuming operation at site, fully open the expansion valves of indoor and
outdoor units to turn on some solenoid valves.
Both the outdoor unit and the indoor unit cannot be operated at this time.
[Operating procedure]
With
Setting Mode 2
while the unit stops, set
Refrigerant recovery / Vacuuming mode
to
ON. The expansion valves of indoor and outdoor units fully open and some of solenoid
valves open.
(H2P blinks to indicate the test operation, and the remote controller displays
TEST
OPERATION
and
UNDER CENTRALIZED CONTROL
, thus prohibiting operation.)
After setting, do not cancel
Setting Mode 2
until completion of Vacuuming operation.
Use the vacuum pump to perform vacuuming operation.
Press Mode button
BS1
once and reset
Setting Mode 2
.
Summary of Contents for SkyAir FCQ18PVJU
Page 1: ...Split System Air Conditioners SkyAir Inverter R 410A Heat Pump 60Hz P Series SiUS28 902_a...
Page 44: ...Other Control SiUS28 902_a 37 Function...
Page 81: ...SiUS28 902_a Troubleshooting by Remote Controller Troubleshooting 74...
Page 185: ...SiUS28 902 Precautions for New Refrigerant R 410A Precautions for New Refrigerant R 410A 178...