Usage and Installation Manual for Combination Heat Pump Water Heater
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11. Deviation to set temp. (ΔT)
12. Outdoor ambient temp. for defrost
13. Exhaust pipe high-temp. protect temp.
14. Interval between terminals off and host stops
z
Water temp setting of unit in off state
The water temp at upper part of water tank can be changed by changing temp of thermal sensor,
which can be set within the range of 30～45 by ℃ users through pressing ▲or ▼ button in normal
state. If it is detected temp of thermal sensor reaches setting temp, the compressor will stop
running .In order to ensure reliable running of the unit, thermal sensor temp at different ambient
temps has different upper range values, and so the compressor stops at upper range value of ambient
temp if setting temp is higher than upper range value.
The maximum outlet water temp accords with the following principles:
a． Outdoor ambient temp≥-10 ,upper range℃ temp of thermal sensor is 45 .℃
b． When -10 >℃ outdoor ambient temp≥-15℃, upper range of temperature of thermal sensor is
44℃.In such case, if temperature of thermal sensor reaches 44℃, the compressor will stop running
in spite of setting temp of thermal sensor at 45℃.
c． For operation range of the unit is -15℃～28℃, upper range of temp of thermal sensor is 43℃
when outdoor ambient temp<-15℃.In such case, the upper range of temp of thermal sensor will
decrease by 1℃ with the decrease of ambient temp by 2℃, so when outdoor ambient temp<-15℃, it
is recommended to adopt auxiliary equipments like electric heating tube to ensure water temp in
water tank.
Note: For thermal sensor is put at middle-lower part of water tank, if detected temp (water-outlet
temp in heating) is T1℃, the maximum water temp in water tank T2= T1+（10~20 ℃ ）, i.e., if
water-outlet temp is 45℃, the maximum water temp in water tank will be 55~65℃. The temp
applicable to the human body should <53℃, so water temp can be adjusted during using.
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