Panasonic Aquarea WH-SXC09H3E5 - Page 67

67
Aquarea air-to-water heat pumps - Planning and installation manual - 02/2022
Product Description
4
Terminals Connection Function Condition Cable cross
section
CN3
1 to 2
Bivalent heating source Allows connection of a second heating source
for bivalent operating mode.
Dry contact
System setting needed.
Maximum total cable length: 50 m
2 × min.
0.5 mm²
CN3
3 to 4
Additional pump Support of the pumps integrated in the indoor
unit,iftheircapacityisnotsufcient.
230 V AC
Maximum total cable length: 50 m 2 × min.
1.5 mm²
CN3
5 to 6
Electric tank heater Power supply for electric tank heater
230 V AC
Maximum total cable length: 50 m 3 × min.
1.5 mm²
CN4
1 to 2
External control Allows external ON/OFF switching of the
operation.
Drycontact,Open=notinoperation,Closed
=inoperation
System setting needed.
Maximum total cable length: 50 m
2 × min.
0.5 mm²
CN4
3 to 4
Remote controller Integrated in front covers and connected in the
case of bi-bloc systems, supplied loose in the
case of mono-bloc systems.
Use two-core cable for separate assembly
and extensions.
Maximum total cable length: 50 m
2 × min.
0.3 mm²
CN5
1 to 2
Outdoor temperature
sensor AW-A2W-TSOD
For exact measurement of the outside
temperature, for example if the outdoor unit is
exposed to direct sunlight.
Maximum total cable length: 30 m 2 × min.
0.3 mm²
CN5
3 to 4
Tank temperature
sensor
Use component according to the
Panasonicspecications.
Maximum total cable length: 30 m
2 × min.
0.3 mm²
CN6
1 to 2
Overload protection for
electric tank heater
Allows connection of the overload protection
for the electric heater of the domestic hot
water tank
Dry contact, Vcc-Bit1, Vcc-Bit2,
Open / Closed
System setting needed.
Maximum total cable length: 30 m
2 × min.
0.5 mm²
CN5
3 to 4
Room temperature
sensor PAW-A2W-TSRT
for heating circuit 1
For measurement of the indoor temperature
in a room other than the one where the indoor
unit is installed
Only functions if the optional PCB
CZ-NS4P is not connected.
Maximum total cable length: 30 m
2 × min.
0.3 mm²
Connection conditions
2-way valve:
● The 2-way valve must be a spring-loaded electronic valve.
● The valve cable must be 3 x min. 1.5 mm² and conform to the code 60245 IEC 57 or
higher or a similar double insulated jacket cable.
● The 2-way valve must bear the CE mark.
● The maximum load of the valve is 9.8 VA.
● Maximum total cable length: 50 m
3-way valve:
● The 3-way valve must be a spring-loaded electronic valve.
● The valve cable must be 3 x min. 1.5 mm² and conform to the code 60245 IEC 57 or
higher or a similar double insulated jacket cable.
● The component must bear the CE mark.
● In the de-energised state, the ow way must be directed towards the heating side.
● The maximum load of the valve is 9.8 VA.
● Maximum total cable length: 50 m
Room thermostat
● The room thermostat cable must be 4 or 3 x min. 0.5 mm² and conform to the code
60245 IEC 57 or higher or a similar double insulated jacket cable.
● Maximum total cable length: 50 m