- 14 -
All wire should avoid touching refrigerant tube. If it is not avoidable, vibration protection and
isolation must be well done.
All wire no touch to compressor or any other kinetic components.
When the heated water flow switch and ground water flow switch is unused, the 10 and 11
terminal on the bank terminal should be short-joined
，
or the unit can't start.
When the high water level switc
h、
in water level switch and low water level switch is unused, the
12
、
13
、
14 and 15 terminals on the bank terminal should be short-joined
，
or the unit can't start.
.3.3
System test
○○○○
1Checking items before test run of system
1)
、
Seal test to make sure system is well sealed.
2)
、
Power source checking to make sure required voltage and current are available.
3)
、
Pressure inside hydraulic circle reaches to operating pressure
（
1-3
）
kgf/cm
2
。
4)
、
Make sure hydraulic system inside is clean and no jam.
5)
、
make sure hydraulic circle is fully filled with water and no air inside.
6)
、
Check to make sure all valves are switched on, well thermal isolated.
7)
、
Make sure all electrical wires are connected correctly according to wiring instruction, and wiring
screws are driven properly.
8)
、
Exhaust the air inside hydraulic circle by manual drain cock in hydraulic tube and drain cock on the
water pump.
9)
、
Check if there is visual damage caused during transportation.
10)
、
make sure all wiring correct.
②
②
②
②
Commissioning
1)
、
Make sure all above checking items are passed.
