Circulating Air Source Heat Pump Water Heater
20
semidiameter (unit: cm).
2
）
User installs water pump, auxiliary electric heater and solenoid valve and other electric-charged
parts. Users are suggested to adopt PPR plastic pipe and length of plastic pipe from the electric-charged
part to the place where human body can touch the water should satisfy above requirement. If using
metal pipe, both ends of metal pipe must be grounded reliably.
3
）
Set reliable earthing device for heating water tank, thermal storage water tank and water supply
pipe network.
Safe connection sketch map:
Remark 1: Refer to item 1) in (5) Safety Notices for Using Water
Remark 2: Refer to item 2) in (5) Safety Notices for Using Water
Remark 3: Refer to item 3) in (5) Safety Notices for Using Water
5 DIP switch setting on main board
Note:
1
）
This instruction is only applicable for the main board of water heater;
2
）
Please ask professional person to operate the DIP.
3
）
Cut off the power before operating the DIP.
There are two groups DIP for the main board of water heater. The first SA3 (4-bit DIP) group is the
address DIP for the unit, which is set 1# unit during ex-factory and can be operated by professional
debugging person. The other group SA5 (2-bit) is the parameters DIP, which is set well at ex-factory.
DIP address setting will be stated as below by two kinds of circumstances:
（
1
）
Single unit
If the system is constituted by one set unit, the professional debugging person only have check and
confirm whether the DIP is 1# because the address DIP is set at 1# unit at ex-factory. Therefore, it’s no
need to operate this DIP.
