-
-
'15 • HM-T-246
N o display
N o display
It can operate but no hot water comes out ()
Stay
OFF
. Applicable Model
. Troubleshooting
All models
Diagnosis
Countermeasure
NO
NO
NO
YES
YES
Is it out of normal
operation range?
Is the
remote control
normal?
Is the supply
hot water temperature not able to reach
to the temperature set by remote
control?
Is the
inlet water temperature 40°C
or lower?
Check the installation condition of heat pump water heater
Check availability to operate heat pump water heater
and the operating condition of heat pump water heater
Check whether hot water comes out
Collect the operation data of heat pump water heater
Check the water circuit from heat pump water heater to cylinder.
Check the water pressure of feed water
circuit and the water volume
Collect the operation data of heat pump water heater
and check no problem on the heat pump water heater
Go to Page 189
Go to Page 188
YES
YES
NO
to short circuit of air
circulation
Check excessive heat load
of hot water
Check whether the feed
water is supplied or not
Check power source
(voltage, frequency)
Collect the operation data
by setting the conditions
to operate the compressor
with remote control
Check heat pump water
heater
Check water circuit
If the inlet feed water
temperature is 0° C or
higher, there is a case not
to obtain the required hot
water amount.
If using the water other than
the clean water, be sure to
suppress increase in temperature
of inlet feed water.
*When the hot water amount is
almost 00%, the inlet feed water
temp may increase temporarily.
Replace remote control
by protection control.
Check the status of
functional components
temperature sensor,
pressure sensor,
compressor, E E V (body,
coil)
refrigerant and leak of
refrigerant
Check water circuit
Go to P age and
. E rror detection method
. Condition of error displayed
. P resumable cause
・
Insufficient capacity of heat
pump water heater
Heating capacity of heat
pump water heater is not meet
to the actual heat load
Bad installation of equipments
・
Anomaly of heat pump water
heater
N ote:
Error code
Remote control:
7-segment display:
LED
Green
Red
Heat pump
water heater
Keep
flashing
Content
AMP Air Conditioning
www.ampair.co.uk | [email protected]
Summary of Contents for ESA30E-25
Page 69: ... 15 HM T 246 AMP Air Conditioning www ampair co uk sales ampair co uk ...
Page 71: ... 15 HM T 246 0 WARNING CAUTION AMP Air Conditioning www ampair co uk sales ampair co uk ...
Page 85: ... 15 HM T 246 4 3 System diagram 㪄㪈㪌㪄 AMP Air Conditioning www ampair co uk sales ampair co uk ...
Page 91: ... 15 HM T 246 0 CAUTION AMP Air Conditioning www ampair co uk sales ampair co uk ...