72
11.2.3 How To Fix Cable
11.2.3.1 Connecting with external
device (optional)
All connections shall
follow to the local national
wiring standard.
It is strongly recommended to use manufacturer-
recommended parts and accessories for
installation.
For connection to main PCB
4
.
1. Two-way valve shall be spring and electronic type,
refer to “Field Supply Accessories” table for details.
Valve cable shall be (3 × min 1.5 mm
2
), of type
designation 60245 IEC 57 or heavier, or similarly
double insulation sheathed cable.
* note: - Two-way Valve shall be CE marking
compliance component.
- Maximum load for the valve is 9.8VA.
2. Three-way valve shall be spring and electronic
type. Valve cable shall be (3 × min 1.5 mm
2
), of
type designation 60245 IEC 57 or heavier, or
similarly double insulation sheathed cable.
* note: - Shall be CE marking compliance
component.
- It shall be directed to heating mode when
it is OFF.
- Maximum load for the valve is 9.8VA.
3. Room thermostat cable must be (4 or 3 × min 0.5
mm
2
), of type designation 60245 IEC 57 or
heavier cord, or similarly double insulation
sheathed cable.
4. Maximum output power of booster heater shall be
≤
3 kW. Booster heater cable must be (3 × min 1.5
mm
2
), of type designation 60245 IEC 57 or
heavier.
5. Extra pump cable shall be (2 × min 1.5 mm
2
), of
type designation 60245 IEC 57 or heavier.
6. Boiler contact cable shall be (2 × min 0.5 mm
2
), of
type designation 60245 IEC 57 or heavier.
7. External control shall be connected to 1-pole
switch with min 3.0 mm contact gap. Its cable
must be (2 × min 0.5 mm
2
), double insulation layer
of PVC-sheathed or rubber-sheathed cable.
* note: - Switch used shall be CE compliance
component.
- Maximum operating current shall be less
than 3A
rms
.
8. Tank sensor shall be resistance type, please refer
to Graph 7.1 for the characteristic and details of
sensor. Its cable shall be (2 × min 0.3 mm
2
),
double insulation layer (with insulation strength of
min 30V) of PVC-sheathed or rubber-sheathed
cable.
-30 -20 -10
0
10
20
30
16000
14000
12000
10000
8000
˚
C
6000
4000
2000
0
Tank sensor characteristic
Tank Sensor Resistant Vs Temperature
R
e
si
st
anc
e (
Ω
)
9. Room sensor zone 1 cable shall be (2 × min 0.3
mm
2
) double insulation layer of PVC-sheathed or
rubber-sheathed.
10. Outdoor air sensor cable shall be (2 × min 0.3
mm
2
) double insulation layer of PVC-sheathed or
rubber-sheathed.
11. Tank OLP cable must be (2 × min 0.5 mm
2
),
double insulation layer of PVC-sheathed or
rubber-sheathed cable.
For S*C09*3E8
For S*C12/16*9E8
Bind optional
cables with
these bands
Power Supply 1
RCCB/ELCB
Power Supply 2
RCCB/ELCB
Holder (Clamper)
Indoor terminal
for connecting
cables
Bind optional
cables with
these bands
Main PCB
How to guide the optional cables and power supply cord
(view without internal wiring)
4
Optional cables:
•
External control
cable
•
Tank sensor cable
•
Room sensor
zone 1
•
Outdoor air sensor
cable
•
Tank OLP cable
•
Remote controller
cable
Optional cables:
•
3-way valve
cable
•
2-way valve cable
•
Room thermostat zone
1 cable
•
Booster heater cable
•
Extra pump cable
•
Boiler contact cable
•
Power Supply 1 cord
•
Power Supply 2 cord
•
Indoor Unit/Outdoor Unit Connecting cable
