- 33 -
5
．
2 Hot water running processes
Select the heating mode startup Four-way valve to run hot water
pumps to run section of flow switch Electric heating run Ground-source
pump to run start compressor
5.3 Run hot water Electric heating
□
When 5
℃≤〖
P3
〗
-TS
，
the hot water Electric heating start
□
When 5
℃
〉〖
P3
〗
-TS
〉
2
℃
，
To maintain the current operational status
□
When
〖
P3
〗
-TS
〈
=2
℃，
the hot water Electric heating stop
5
．
4 Four-way valve run
。
Ground-source pumps compressors in advance
〖
C7
〗
seconds
to open
。
When Compressor is stopped, Ground-source pumps stop delay
5
．
5 Air-conditioning pump stop
6
﹑
Automatic antifreeze
In order to prevent water pipes in winter standby pump
﹑
Frost Crack ,the Units to meet
the following conditions are automatically entered antifreeze work.
□
When the ambient temperature is higher than 10
℃
, antifreeze does not start
□
when the temperature is below 0
℃
, and the continuous off for more than 30 minutes
or above the ambient temperature is than to 0
℃
lower than 10
℃
and continuous off
more than 60 minutes, or Water tank temperature below 3
℃
, start the pump 60
seconds, if water tank and the air-conditioning water temperature below 3
℃
, then start
the system, heating, when the water temperature is higher than 10
℃
when the stop;
turn off all devices into standby mode.
□
When the flow switch protection, antifreeze does not start.
□
Detect the actual temperature of the water temperature shall prevail, without
amendments affect the water temperature
