12.4.2.2
Guide Optional Cables and Power Supply Cords to Bushings
Wire guiding shall be free from hot surfaces.
Else, cable insulator damage and electrical shock may happen.
Wire ways shall be smooth and free from sharp edges.
Else, cable insulator damage and electrical shock may happen.
■ Use either "COMBINATION-1" or "COMBINATION-2" for guiding
Optional Cables and Power Supply Cords to Bushings.
■ A-1 and A-2 Bushings are for:
•
•
Power Supply 1
Room thermostat
cord
zone 1 cable
•
•
Power Supply 2
Room thermostat
cord
zone 2 cable
•
•
Indoor Unit/
Mixing valve
Outdoor Unit
zone 1 cable
•
Connecting cable
Mixing valve
•
Pump zone 1
zone 2 cable
cable
•
Pump zone 2 cable
•
Solar pump cable
12.4.2.3
Connecting Cables Length
When connecting cables between Tank Unit and external devices, the length of the said cables must not exceed the
maximum length as shown in the table.
CAUTION
D-1
COMBINATION- 1
A-1
A-2
COMBINATION- 2
D-2
•
2-way valve cable
•
Extra pump cable
•
Boiler contact
cable
External device
Two-way valve
Mixing valve
Room thermostat
Extra pump
Solar pump
Pool pump
Pump
Boiler contact / Defrost signal
External control
Room sensor
Outdoor air sensor
Buffer tank sensor
Pool water sensor
Solar sensor
Water sensor
Demand signal
SG signal
Heat/Cool switch
External compressor switch
■ D-1 and D-2 Bushings are for:
•
External control cable
•
Outdoor air sensor cable
•
Remote controller cable
•
Room sensor zone 1 cable
•
Room sensor zone 2 cable
•
Buffer tank sensor cable
•
Pool sensor cable
■ Ensure all sensor cables are not touching with Front Panel ⑯
■ Guide the wiring inside the unit like below figure.
Once all wiring work done, tie the cable / cord with the banding
strap (field supply), to prevent them touching with hot surfaces
such as Heater Assembly, bare copper pipes and etc.
Wiring for "COMBINATION-1"
Maximum cables length (m)
50
50
50
50
50
50
50
50
50
30
30
30
30
30
30
50
50
50
50
92
•
Water sensor zone 1 cable
•
Water sensor zone 2 cable
•
Demand signal cable
•
Solar sensor cable
•
SG signal cable
•
Heat/Cool switch cable
•
External Compressor switch
cable
Wiring for "COMBINATION-2"