Nortek Reznor RHC21 8000, Инструкции по установке, пусконаладке и обслуживанию

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Page No 42 of 52 Reznor, RHC21 8000 Installation EN May 2021 D301319 Issue 0
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8. Fault finding
START
Ensure gas & electricity
supplies are enabled. Turn
external controls to call
for heat.
Does the LED status
light illuminate?
Is there power to
the burner?
CHECK:-
1. Voltage is correct - see technical data table
2. Ignition controller fuse
3. Integrity of wiring connections
4. Lockout reset circuit board
5. LED Lamp
6. Ignition controller
CHECK:-
1. Operation of any external timer, thermostat
or control
2. External cicruit breaker or fuse
3. Voltage is correct - see technical data table
4. Integrity of supply circuit
Does the lockout
light illuminate?
Does the lockout light
go off after pressing
switch for 3 seconds?
CHECK:-
1. LED status light flash codes
2. LC3 safety thermostat reset switch
3. Lockout reset circuit board
4. Ignition controller
5. Flame sense probe
6. Integrity of wiring connections
Does the combustion
fan run?
Is there power to the
fan?
CHECK:-
1. Voltage supply to fan terminals is 230V AC
/ 50 Hz
2. Integrity of wiring connections
3. Fan, including the free movement of the fan
wheel
CHECK:-
1. Integrity of wiring connections
2. Heat demand signal is > 0.95V DC
3. OT terminals are linked or Open Therm
compatible thermostat connected
4. Ignition controller
5. LED status flash light codes
PAGE 2
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