Navien CH-180 Service manual - page 26
Other manuals for CH-180:
Owner's Operation Manual, User's Operation Manual, Installation Manual, Operation Manual, Installation Manual
Manual is about: Combination Water Heater
/ Heating Boiler
of
155
©Navien America Inc. 2010
CH series service Manual
24
Version 1.0
SV1OFF
HC minimum range?
NO
HC medium range?
NO
HC maximum range?
YES
SV2 OFF
YES
YES
SV1 ON
SV2 OFF
SV1 ON
SV2 ON
SGV1 OFF?
SGV2 OFF?
NO
NO
Lock-out:
015E
Igniter OFF?
YES
YES
YES
HC <= minimum?
YES
Faucet Close
SGV2 OFF?
NO
Igniter OFF?
YES
YES
Igniter OFF?
YES
NO
NO
NO
NO
Burner Operation
A
DHW : 3-WAY Valve On
Pump On
E
Heat Demand?
NO
F
YES
CH : 3- WAY Valve Off
G
Heat Demand?
YES
CH : 3-WAY Valve Off
CH : 3-WAY Valve Off
Post-Purge :
Fan & Pump ON for 3 min
F
NO