Navien NP-180, Руководство по обслуживанию

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NR/NP
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Versi
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n 2.0
4.2. Operation Flow Chart
Power ON
Faucet Open Faucet Close
MGV OFF
MV OFF
Post-Purge: 10 sec
DHW Waiting:
Fan Motor ON for 300 sec
SGV1 OFF
SGV2 OFF
MGV OFF?
Igniter OFF?
SGV1 OFF?
SGV2 OFF?
Stand-by
MGV OFF
SGV1 OFF
SGV2 OFF
Watch-dog OFF
Igniter OFF
GV/Igniter Power
OFF
Flame ON?
Flow Sensor
>= 0.53 GPM
Lock-out:
004E
Lock-out:
015E
Lock-out:
027E
Lock-out:
009E
Lock-out:
010E
Flame On:
Pre-Purge
No Air Check:
APS normal?
Watch-dog ON
Burner Start-up
GV/Igniter Power
ON
Igniter ON
Igniter ON
for 1 sec?
Igniter OFF
FM Control
APS
normal?
Fan Motor ON/
AP Check
FM start-up:
FM and AP normal?
Flow Sensor
>= 0.53 GPM
Flow Sensor
>= 0.53 GPM
YES
NO
B
D
C
C
YES
YES
YES
YES
NO
YES
YES
YES
YES
System lnitalization
B
NO
YES
YES
NO
NO
NO
NO
NO
YES
NO
NO
NO
NO
NO
YES