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3-way valve doesn’t have electricity
●
When hot water reach preset temp, heat pump stop, then
check heating side water temp automatically, if heating side water
temp doesn’t reach preset temp, then 3-way valve will get
electricity, and meanwhile heat pump start. When heating system
water temp reach preset temp, heat pump stop to standby. In the
process, if check hot water tank temp dropped L2 temp, then heat
pump stop and 3-way valve loss electricity, then heat pump
restart to heat hot water.
③ HC, SP-HC series
The three series are all heating and cooling type. User can change
the working mode between heating mode and cooling mode.
3.1
Heating mode
3.1.1
When water tank temp ≤L3- L2, start to heat..
3.1.2
When water tank temp ≥L3, stop heating.
3.2
Cooling mode
3.2.1
Water tank temp ≥ L4 + L2, start to cool.
3.2.2
Water tank temp ≤ L4
，
stop cooling.
④ Defrosting:
Defrost only valid at heating or/and hot water mode.
When defrost, the display panel will display defrost symbol.