Section 9 - Fault Finding
75
Installation and Maintenance
FAUL
T FINDING
9.1.20
Configuration Fault
Is there 230Vac to the Indoor Unit contactor L In
connection?
Use the Relay Test function to switch the Back-up heater
on. Is there 230V to the contactor L Out connection?
Is there 230Vac to the DHW Immersion Heater?
Is the DHW immersion heater thermostat set to
maximum?
Replace DHW Immersion Heater.
Correct system wiring so that there is
230Vac to the Indoor Unit contactor L In
connection.
Check wiring from RVS21 PCB to contact
is securely connected. If fault persists
replace RVS21 PCB.
Fix wiring from Contactor to DHW
Immersion Heater.
Set DHW immersion heater thermostat to
maximum
NO
NO
NO
NO
YES
YES
YES
YES
9.1.18 Anti-Legionella Temperature Fault
Check fault history for which Heat Pump fault is
occurring and consult Fault Help for that fault. The
Blocking Error will clear in 8 minutes
9.1.19 Re-occurring Heat Pump Fault
Re-configure the Indoor Unit. Does the fault persist?
Are flow thermistor (indoor), return thermistor, outside
sensor, DHW thermistor (if appropriate) and header
thermistor (if appropriate) connected?
Replace indoor unit RVS21
Connect whichever sensors are missing.
NO
YES
YES
Содержание Logic Air DHW IDEPLUHP180DUOPPSZ
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