Appendix 2：
The installation explanation of automatic filled-water
1 When automatic filled-water valve is installed,the arrowhead orientation of inlet water must
accord with the orientation of valve ;
2 Automatic filled-water has been adjusted in advance to 1.5bar；
3 If readjust the pressure of inlet water,please operate as follows：
* open the screw cap（C）；
* If reduce the pressure of water supply,pease unscrew the pressure to adjust the screw(B)；
* If increese the pressure of waer supply,please screw down the pressure to adjust the screw (B)
4 When the system need fill water at first,wrest the handle(A) of filled-water.Then the handle(A)
can return(close) when the system is full of water.
5 Automatic filled-water Valve need clean in a periodic time and then you must close the tap,
unscrew the plug(D),remove the inside filter net.Please assemble them again after cleaning.
NOTICE： There are two connections for water pressure meter in the central section of
automatic filled-water,where the water pressure meter can be connected directly
and display the set pressure.The screw cap(C) must be tweaked after adjusting
the filled-water pressure.
B
C
1/4'
D
A
1/2'
Appendix
Appendix 3：
The installation explanation of the leakage pressure valve.
1 The action pressure of leakage pressure valve 'is more than 3bar(valve is open)，
but the pressure can not be adjusted.
2 The valve will open automatically to make sure that the water loop of air-con system
is safe when the water pressure in the backwater side is higher than the set pressure.
Appendix
Appendix 4：The way of assistant heat source connection
Unit provides the connection of assistant heat source which can not be only for gas-fired
boiler,but also for electronic boiler or warm-net pipe for city accordingly.
The way to the connection is as follows:
2）water chiller and heat pump+assistant electronic boiler
electronic boiler
inlet
cable
water chiller and heat pump
gas-fired boiler
inlet
outlet
1） water chiller and heat pump+assistant gas-fired boiler
Three-way valve
control wire
outlet
water chiller and heat pump
inlet
cable
outlet
inlet
outlet
outlet
inlet
22
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