92
12.4.2.2 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
•
2-way valve cable
•
Extra pump cable
•
Boiler contact
cable
■ 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
•
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
■ 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”
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.
External device
Maximum cables length (m)
Two-way valve
50
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
Outdoor air sensor
30
Buffer tank sensor
30
Pool water sensor
30
Solar sensor
30
Water sensor
30
Demand signal
50
SG signal
50
Heat/Cool switch
50
External compressor switch
50