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