All installations and services must be performed by qualified service personnel.
47
CHECK FOR PROPER
MANIFOLD PRESSURE.
No
Yes
Yes
Yes
AFTER GAS VALVE
OPENS, DO THE
BURNERS IGNITE?
ADJUST TO 3.5" FOR NATURAL GAS
OR 10.0" WC FOR LP GAS
IS IGNITOR
POSITIONED CORRECTLY?
REPOSITION TO
CORRECT LOCATION.
DO BURNERS STAY
LIT PAST PROOF
OF FLAME CHECK?
Yes
CHECK ACROSS THE
CIRCULATING AIR
BLOWER TERMINALS
"CIR N" & "HEAT"
FOR PROPER VOLTAGE.
REPLACE THE
INTEGRATED CONTROL.
No
No
Yes
DOES THE CIRCULATING
AIR FAN COME ON
WHEN ENERGIZED?
No
DOES BLOWER
SPIN FREELY?
No
CONFIRM IF
EITHER BLOWER WHEEL
IS RUBBING AGAINST
HOUSING OR MOTOR
SHAFT IS SPINNING
FREELY AND REPAIR
OR REPLACE AS NECESSARY.
Yes
Yes
IS CAPACITOR
WORKING PROPERLY
No
Yes
REPLACE CAPACITOR
DOES THE INTEGRATED CONTROL
ENERGIZE THE
CIRCULATING AIR BLOWER
AFTER THE 45 SECOND
TIME DELAY.
No
REPLACE MOTOR
Содержание VMA1-50N
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Страница 55: ...All installations and services must be performed by qualified service personnel 52 APPENDIX B WIRING DIAGRAM...
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