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11.3.2.2 Guide Optional Cables and Power Supply Cords to Bushings
CAUTION
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.
D-1
COMBINATION- 1
A-1
A-2
COMBINATION- 2
D-2
■ A-1 and A-2 Bushings are for:
•
Power Supply 1
cord
•
Power Supply 2
cord
•
Indoor Unit/
Outdoor Unit
Connecting cable
•
Pump zone 1
cable
•
Pump zone 2 cable
•
Solar pump cable
•
Room thermostat
zone 1 cable
•
Room thermostat
zone 2 cable
•
Mixing valve
zone 1 cable
•
Mixing valve
zone 2 cable
•
Extra pump cable
•
Boiler contact
cable
■ D-1 and D-2 Bushings are for:
•
External control cable
•
Remote controller cable
•
Room sensor zone 1 cable
•
Room sensor zone 2 cable
•
Buffer tank sensor cable
•
Pool sensor cable
•
Water sensor zone 1 cable
•
Water sensor zone 2 cable
•
Solar sensor cable
•
SG signal cable
•
External Compressor switch
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” Wiring for “COMBINATION-2”
11.3.2.3 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.
External device Maximum cables length (m)
Mixing valve 50
Room thermostat 50
Extra pump 50
Solar pump 50
Pool pump 50
Pump 50
Boiler contact / Defrost signal 50
External control 50
Room sensor 30
Buffer tank sensor 30
Pool water sensor 30
Solar sensor 30
Water sensor 30
SG signal 50
External compressor switch 50
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