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PIPING AND WIRING FOR INDOOR UNIT
68
Connection to the Domestic hot water system
The hydraulic connection has to be installed in accordance with the national and local regulations
For connecting DHW to enable the water flow in full force. To prevent water leakage, install a
drain through the floor below the level of the device. The following picture shows the correct
hydraulic connection of the device.
Water Piping
Connect the hot water pipe ①, the cold water supply ② and optionally the re-circulation pipe ③
as shown below. If a re-circulation pipe is not used, close it with a 1'' cap.
Use a counter wrench to tighten the connections firmly.
No.
①
Domestic hot water outlet pipe (female G1")
②
Domestic cold water inlet pipe (female G1")
③
DHW recirculation pipe (female G1")
NOTE
Before connect domestic water pipes, use the provided gaskets(G1") for each water pipe.
* There are 3 gaskets between pipes and caps, which is in Heating circuit outlet pipe, Domestic
cold water inlet pipe and DHW Re-Circulation pipe. 2 gaskets are enclosed inside the product
box.
A
C
Connections
B
Recommended tightening
torque [N . m]
42 ± 2
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