16
13.1 Error codes
When the protection equipment starts, please shut down the
manual power switch, and restart operation after problem is
solved.
NOTE
12.2 About power cut
If power is cut during operation, stop all the operation immediately.
Power comes again. The lamp on the display panel of indoor unit
flashes. And then unit will auto-restart.
● Mishandling in operation:
If mishandling happens because of lighting or mobile wireless,
please shut off the manual power switch, and turn on again, then
push the ON/OFF button.
12.3 Heating capacity
The heating operation is a heat-pump process that heat will be
absorbed from outdoor air and released to indoor water. Once
the outdoor temperature is decreased, heating capacity
decreased corredpindingly.
Other heating equipment is suggested to be used together when
outdoor temperature is too low.
In some extreme cold upland that buy another inddoor unit
equipped electrical heater will obtain better performance.(Refer
to indoor unit owner’s manual for details)
NOTE
If the heat pump malfunction occurs because of disturb,
pleasereconnect the heat pump to power, then turn on it
again.
1.
2.
A protection feature prevents the heat pump from being
activated for approximately several minuites when it restarts
immediately after operation.
The the indoor unit in the same system can not run cooling
and heating at the same time.
12.6 Features of heating operation
Water will not become hot immediately at the beginning of
the heating operation, 3~5 minutes ago (depends on the indoor
and outdoor temperature), until the indoor heat exchanger
become hot, then becomes hot.
During operation, the fan motor in the outdoor unit may stop
running under high temperature.
12.7 Defrost in the heating operation
During heating operation, outdoor unit sometimes will frost. To
increase efficiency, the unit will start defrosting automatically
(about 1~10 minutes), and then water will be drained out from
outdoor unit.
During defrosting, the fan motors in the outdoor unit will
stop running.
If the Heat Pump Administrator has set running mode, then
the heat pump can not run on modes other than the presetted.
Standby or No Priority will be displayed in the Control Panel.
12.4 Compressor protection feature
12.5 Cooling and heating operation
The motor in Indoor Unit will continue running for 20~30
seconds for to remove residual heat when the Indoor
Unit recoeiving OFFcommand during heating operation.
13 MALFUNCTION CODE OF OUTDOOR UNIT
Code
Discription
Corrective action
H1
Communication fault
between oudoor unit
and IR341
Contact your local dealer.
E5
Outdoor unit exchanger
temperature sensor (T3)
fault
Contact your local dealer.
Outdoor unit ambient
temperature sensor (T4)
fault
E6
Contact your local dealer.
E9
Compressor suction line
temperature sensor (Th)
fault
Contact your local dealer.
EA
compressor discharge line
temperature sensor (Tp)
fault
Contact your local dealer.
H8
Pressure sensor fault
Contact your local dealer.
HF
Outdoor unit EEPROM fault
Contact your local dealer.
H6
DC fan motor fault
Contact your local dealer.
H7
DC cmopressor voltage
protect fault
Check that the power
supply isbetween
172VAC and 265VAC.
H4
Contact your local dealer.
Three times P6 protects
E1
Power fault
Connect the power supply
cables innormal phase.
Change any two ofthe
three power supply cables
(L1,L2 , L3) to correct
phase
H0
Communication fault
between hydro-box
and outdoor unit
Check the wiring between
userinterface and unit,or
contact yourlocal dealer
When a safety device is activated, an error code will be displayed on
the user interface.
A list of all errors and corrective actions can be found in the table
below.
Reset the safety by turning the unit OFF and back ON.
In case this procedure for resetting the safety is not successful,
contact your local dealer.
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