21
INS
T
ALLA
TION
WARNING
y
Be sure to use the conduits and conduit fittings when extracting the wires for safety.
NOTE
• Arrange communication cables (F1, F2, R1, R2) to the opposite way of power cable.
Diagram of ASS'Y control
1
Water valve contact output status for operation mode.
Pipe type
Operation power output
AC power output
(Max. 0.5 A)
Remarks
2-pipe
Cooling/
Heating
Thermo ON
1-2
Normal Close Type
Thermo OFF
1-3
Normal Open Type
4-pipe
Cooling
Thermo ON
1-2
Normal Close Type
Thermo OFF
1-3
Normal Open Type
Heating
Thermo ON
4-5
Normal Close Type
Thermo OFF
4-6
Normal Open Type
y
Connect 3 Way valve power cable according to value of operation mode power output.
y
Select each valve that is below 0.5 A of operation current.
y
Installation option setting(05series, SEG14) is required to define 2 pipe or 4 pipe system.
CAUTION
y
When connecting the valve power cable, be sure to connect the wires (N, L) to the correct terminals (N, L).
- Failure to do so may damage the PBA.
N
N
L
L
L
L
When using a 2-way valve (normal close type)
When using a 3-way valve
N
N
L
L L
L
Terminals for 2-pipe type Terminals for 4-pipe type
Terminals for 2-pipe type
Terminals for 4-pipe type
Summary of Contents for DVM
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