Field Settings
SiUS12-928_A
221
Trial Operation and Field Settings
3. Field Settings
3.1
Priority Room Setting
Electronic expansion valves are controlled to provide more capacity to the prioritized room.
Setting method
Turn off the circuit breaker before changing the setting.
Only one room can be set as the priority room (By turning on one of A to D of SW4 on service
monitor PCB of the outdoor unit).
The control starts when all the following conditions are met.
∗
Priority room setting is made.
∗
POWERFUL
signal from the priority room unit is received.
Note:
The operation mode of the priority room unit has precedence.
Cancellation of control
The control function is canceled when the
POWERFUL
operation mode is switched off or 20
minutes elapse after
POWERFUL
Operation started.
3.2
COOL / HEAT Mode Lock
Use the [S15] connector to set the unit to cooling only or heating only.
Setting to heating only (H): Short-circuit pins 1 and 3 of the connector [S15].
Setting to cooling only (C): Short-circuit pins 3 and 5 of the connector [S15].
The following specifications apply to the connector housing and pins.
JST products Housing: VHR-5N
Pin:
SVH-21T-1, 1
Note that forced operation is also possible in cooling / heating mode.
C
room
B
room
A
room
Living
room
C
room
B
room
A
room
Living
room
When inverter
powerful-operation
is selected in the
priority room
Normal
operation
(R1396)
z
Cooling mode (C)
Heating mode (H)
5<C>3<H>1
(R1397)
Summary of Contents for SUPER MULTI NX G Series
Page 1: ...SiUS12 928_A Applied Models Inverter Multi Heat Pump G Series J Series...
Page 7: ...SiUS12 928_A Table of Contents vi...
Page 10: ...SiUS12 928_A 1 List of Functions Part 1 List of Functions 1 Functions 3...
Page 11: ...SiUS12 928_A List of Functions 2...
Page 17: ...SiUS12 928_A Specifications 8...
Page 23: ...SiUS12 928_A Specifications Specifications 14...
Page 25: ...SiUS12 928_A Printed Circuit Board Connector Wiring Diagram 16...
Page 37: ...SiUS12 928_A Function and Control 28...
Page 69: ...SiUS12 928_A Control Specification Function and Control 60...
Page 71: ...SiUS12 928_A Operation Manual 62...
Page 73: ...SiUS12 928_A Duct Free System Operation Manual 64 2 Duct Free System 2 1 Remote Controller...
Page 84: ...Duct Free System SiUS12 928_A 75 Operation Manual...
Page 85: ...SiUS12 928_A Duct Free System Operation Manual 76 2 8 TIMER Operation...
Page 86: ...Duct Free System SiUS12 928_A 77 Operation Manual...
Page 87: ...SiUS12 928_A Duct Free System Operation Manual 78 2 9 Note for Multi System...
Page 88: ...Duct Free System SiUS12 928_A 79 Operation Manual...
Page 97: ...SiUS12 928_A Slim Duct Built In System Operation Manual 88...
Page 99: ...SiUS12 928_A Service Diagnosis 90...
Page 169: ...SiUS12 928_A Removal Procedure 160...
Page 225: ...SiUS12 928_A Trial Operation and Field Settings 216...
Page 235: ...SiUS12 928_A Appendix 226...