SiAF332111E
Field Settings for Outdoor Unit (4/5 HP Models)
Part 5 Field Settings and Test Operation
121
2.6 Setting of Vacuuming Mode
In order to perform vacuuming operation on site, fully open the electronic expansion valves of
indoor and outdoor units and turn on some solenoid valves.
Operating procedure
1. While the outdoor unit is not operating, set the item 2-21 (refrigerant recovery/vacuuming
mode) to ON.
The respective expansion valve of indoor and outdoor units are fully opened.
Test
Operation
and
Under Centralized Control
are displayed on the remote controller, and the
indoor/outdoor unit operation is prohibited.
After setting, do not cancel setting mode 2 until completion of Vacuuming operation.
2. Use the vacuum pump to perform vacuuming operation.
3. Press the
MODE (BS1)
button once and reset setting mode 2.
2.7 Check Operation
To prevent any trouble in the period of installation onsite, the system is provided with a test
operation mode enabling check for incorrect wiring, stop valve left in closed, coming out (or
misplacing with suction pipe thermistor) or discharge pipe thermistor and judgment of piping
length, refrigerant overcharging, and learning for the minimum opening degree of electronic
expansion valve.
Unit stopping
Press the
TEST (BS4)
button for
5 seconds.
10 seconds to 10 minutes
LED display (H1P~H7P) (
k
:
ON
h
:
OFF
l
:
BLINK)
h h k h h h h
h l h h h h k
Pressure equalizing
Step 1
20 seconds to 2 minutes
10 minutes
3 minutes
15 minutes
h l h h h k h
Cooling start control
Step 2
h l h h h k k
h l h h k k k
Stability waiting operation
Step 3
Refrigerant overcharge judgment
Step 7
•
Stop valve close check
•
Wrong wiring check
•
Piping length check
h l h h k h h
h l h h k h k
h l h h k k h
Judgment function
Step4~6
5 seconds
h l h k h h k
h l h k h k h
Pump down residual control
Step 8
2 minutes
Standby for restarting
Completion
Step 9
Summary of Contents for VRV S RXMQ10ARY1
Page 1: ...Service Manual Cooling Only 50 60 Hz RXQ4 5ARV1 RXMQ6ARV1 RXMQ8 10 12ARY1 SiAF332111E...
Page 369: ...SiAF332111E Wiring Diagrams Part 7 Appendix 363 RXMQ6ARV1 C 3D137051...
Page 370: ...Wiring Diagrams SiAF332111E 364 Part 7 Appendix RXMQ8ARY1 C 3D137060...
Page 371: ...SiAF332111E Wiring Diagrams Part 7 Appendix 365 RXMQ10 12ARY1 3D121610B...
Page 375: ...SiAF332111E Wiring Diagrams Part 7 Appendix 369 FXMQ40 50 63 80 100ARV1 3D127112 04 59...