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31
Water
temperature
is
cooling
when
heat
pump
runs
under heating
mode
LED
wire
controller
displays
actual
water
temperature and no error
code displays
1. Chose the wrong mode
2. Figures show defects
3. Controller defect
1. Adjust the mode
2. Replace the defect LED wire
controller, and then check the
status after changing the running
mode, verifying the water inlet
and outlet temperature
3. Replace or repair the heat
pump
Short running
LED displays actual water
temperature, no error code
displays
1. Fan NOT running
2. Not enough air ventilation
3.Not enough refrigerant
1. Check the cable connections
between the motor and fan, if
necessary, they should be
replaced
2. Check the location of the heat
pump,
and
eliminate
all
obstacles to assure a good air
ventilation
3 Replace or repair the heat
pump
Water stains
Water stains on heat pump
unit
1. Concreting
2. Water leakage
1. No action
2. Check the titanium heat
exchanger carefully if it shows
any defects
Too much ice
on evaporator
Too
much
ice
on
evaporator
1. Check the location of heat
pump,
and
eliminate
all
obstacles to assure a good air
ventilation
2. Replace or repair the heat
pump
Содержание NE-F50SP/R4INV-PA
Страница 2: ......
Страница 14: ...11 Model NE F110SP R4INV PA NE F150SP R4INV PA NE F180SP R4INV PA...
Страница 15: ...12 Model NE F210SP R4TINV PA NE F250SP R4TINV PA NE F280SP R4TINV PA...
Страница 16: ...13 3 Explosion View...
Страница 52: ...49 2 1...
Страница 53: ......
Страница 54: ......