78
For connection to Optional PCB
□
6
1 By connecting Optional PCB, 2 Zone temperature control can be achieved. Please connect mixing valves,
water pumps and thermistors in zone 1 and zone 2 to each terminals in Optional PCB.
Temperature of each zone can be controlled independently by remote controller.
2 Pump zone 1 and zone 2 cable shall be (2 x min 1.5 mm
2
), of type designation 60245 IEC 57 or heavier.
3 Solar pump cable shall be (2 x min 1.5 mm
2
), of type designation 60245 IEC 57 or heavier.
4 Pool pump cable shall be (2 x min 1.5 mm
2
), of type designation 60245 IEC 57 or heavier.
5 Room thermostat zone 1 and zone 2 cable shall be (4 x min 0.5 mm
2
), of type designation 60245 IEC 57 or
heavier.
6 Mixing valve zone 1 and zone 2 cable shall be (3 x min 1.5 mm
2
), of type designation 60245 IEC 57 or
heavier.
7 Room sensor zone 1 and zone 2 cable shall be (2 x min 0.3 mm
2
), double insulation layer (with insulation
strength of minimum 30V) of PVC-sheathed or rubber-sheathed cable.
8 Buffer tank sensor, pool water sensor and solar sensor cable shall be (2 x min 0.3 mm
2
), double insulation
layer (with insulation strength of minimum 30V) of PVC-sheathed or rubber-sheathed cable.
9 Water sensor zone 1 and zone 2 cable shall be (2 x min 0.3 mm
2
), double insulation layer of PVC-sheathed
or rubber-sheathed cable.
10 SG signal cable shall be (3 x min 0.3 mm
2
), double insulation layer of PVC-sheathed or rubber-sheathed
cable.
11 Heat/Cool switch cable shall be (2 x min 0.3 mm
2
), double insulation layer of PVC-sheathed or rubber-
sheathed cable.
12 External compressor switch cable shall be (2 x min 0.3 mm
2
), double insulation layer of PVC-sheathed or
rubber-sheathed cable.
Power Supply 1
RCCB/ELCB
Power Supply 2
RCCB/ELCB
Holder
(Clamper)
Indoor terminal for
connecting cables
Main PCB
Optional PCB 6
How to guide the optional cables and power supply cord
(view without internal wiring)
5
Optional cables:
•
Extra pump cable
•
Boiler contact cable
•
Power Supply 1 cord
•
Power Supply 2 cord
•
Indoor Unit/Outdoor
Unit Connecting cable
Optional cables (from Optional PCB):
•
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
Optional cables (from Optional PCB):
•
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
Terminal screw on PCB
Maximum tightening torque cN•m {kgf•cm}
M3
50 {5.1}
M4
120 {12.24}
