10 Demand signal cable shall be (2 x min 0.3 mm
sheathed cable.
11 SG signal cable shall be (3 x min 0.3 mm
cable.
12 Heat/Cool switch cable shall be (2 x min 0.3 mm
sheathed cable.
13 External compressor switch cable shall be (2 x min 0.3 mm
rubber-sheathed cable.
Bind all
optional cables
with these
bands
Bind optional
cables with
these bands
Power Supply 2
RCCB
Power Supply 1
RCCB
Bind all optional
cables with these
bands
How to guide the optional cables and power supply cord
(view without internal wiring)
Terminal screw on PCB
M3
M4
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.
2
Optional
PCB 5
Bind optional
cables with
these bands
Indoor
terminal for
connecting
cables
Holder (Clamper)
Maximum tightening torque cN•m {kgf•cm}
50 {5.1}
120 {12.24}
External device
Two-way valve
Mixing valve
Room thermostat
Extra pump
Solar pump
Pool pump
Pump
Boiler contact
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
2
), double insulation layer of PVC-sheathed or rubber-
), double insulation layer of PVC-sheathed or rubber-sheathed
2
), double insulation layer of PVC-sheathed or rubber-
2
), double insulation layer of PVC-sheathed or
Optional cables:
•
2-way valve cable
•
Extra pump cable
•
Boiler contact cable
Optional cables:
•
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
Maximum cables length (m)
50
50
50
50
50
50
50
50
50
30
30
30
30
30
30
50
50
50
50
•
Power Supply 1 cord
•
Power Supply 2 cord
•
Indoor Unit/Outdoor
Unit Connecting cable
Optional cables:
•
Pump zone 1 cable
•
Pump zone 2 cable
•
Solar pump cable
•
from Optional
Pool pump cable
•
PCB
Room thermostat zone 1 cable
•
Room thermostat zone 2 cable
•
Mixing valve zone 1 cable
•
Mixing valve zone 2 cable
from Optional PCB