Installation
Hydro Kit
Installation Manual
21
ENGLISH
Gas pipe
Ø15.88
Liquid pipe
Ø9.52
Welding type
Hydro kit
Gas pipe
Ø22.2
Liquid pipe
Ø9.52
Precaution when connecting Heat Recovery systems
Pipe searching process
1. When Pipe searching process is performed,
- Use ʻMode 1ʼ if water temperature is higher than 30℃(86℉)
- Use ʻMode 2ʼ if water temperature is lower than 30℃(86℉)
2. When Pipe searching process is not performed,
- Check whether ʻCH14ʼ error occurs in the
Hydro Kit
.
- One connection of refrigerant pipe for HR unit is
insufficient for the flow of refrigerant. Join two pipes with a
branch pipe when connecting the
Hydro Kit
- The pipe number of the connected gas pipe and liquid
pipe must be same.
- Flow water in the
Hydro Kit
when pipe-searching
process is performed.
- Pipe-searching process error may occur if the pipe
temperature does not increase.
- It is recommended that
Hydro Kit
is connected to No.1
valve and No.2 valve.
No.1, 2 Valve
/
No.3, 4 Valve
Control
No.3, 4 Valve
Control
DIP S/W setting
No.2, 3 Valve
Control
No.1, 2 Valve
Control
No Hydro kits
connected
Example
Indoor Unit
Indoor Unit
Hydro Kit
Indoor Unit
Indoor Unit
Hydro Kit
Indoor Unit
Indoor Unit
Hydro Kit
(When two Hydro Kit are installed)
Hydro Kit
Hydro Kit
Indoor Unit
Indoor Unit
Indoor Unit
Indoor Unit
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
For more detailed information, refer to the installation manual of Heat Recovery Unit.
