Rinnai RHEPM11530N, Руководство по регулированию дополнений

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HE+ Series Modulating Supplemental Manual
SEQUENCE OF EVENTS (also see DSI Troubleshooting previous page)
11. TROUBLESHOOTING GUIDE - HEATER OPERATION
WARNING
Improper adjustment, alteration, service or maintenance can
cause property damage, injury or death. This heater must be
installed and serviced only by a trained gas service technician
SET THERMOSTAT TO CALL FOR HEAT
APPLY 120 VOLTS
•
CHECK 120V TO DSI AT “ L1 ”
•
Check 24VDC Power Unit for 24vdc at the output
•
CHECK 120V OUT AT “ IND ” FROM DSI TO BLOWER
COMBUSTION AIR BLOWER STARTS
AIR PROVING SWITCH HAS CLOSED 24
VOLTS IS PRESENT AT “ PSW ” AT DSI
CONTROL.
•
CHECK TUBING TO SWITCH IS CONNECTED AND
NOT BLOCKED OR KINKED
•
CHECK AIR PRESSURE WITH MANOMETER
•
CHECK FOR OBSTRUCTION IN THE AIR INTAKE
•
REPLACE DEFECTIVE BLOWER
•
CHECK INTEGRITY OF SWITCH
•
REPLACE DEFECTIVE SWITCH
•
VISIBLY CHECK IF IGNITER IS SHORTING OUT
•
CHECK GROUND WIRING
•
REMOVE AND INSPECT IGNITER AND LEAD
•
CHECK BOOT OF THE IGNITION CABLE FOR SIGNS
OF MELTING OR OVERHEATING
•
IF “ YES ” ... TAKE PROTECTIVE ACTION TO SHIELD
CABLE AND BOOT FROM EXCESSIVE TEMPERA-
TURE; REPLACE ANY DEFECTIVE COMPONENT
•
CHECK CERAMIC INSULATOR AND CAP
•
CHECK SPARK GAP SETTING IS 3/16” (ADJUST BY
MOVING THE GROUND PRONG ONLY)
•
PERFORM IGNITION LEAD TEST (See SPARK IGNI-
TION CIRCUIT INSTRUCTIONS—Section 22)
•
GOOD SPARK.....REPLACE IGNITER
•
NO SPARK/OR WEAK.....REPLACE CONTROL
SPARK IGNITER / SENSOR
24V TO GAS VALVE
CONTINUED
NO
YES
YES
YES
NO
NO
•
REMEDY 120 VOLTS SUPPLY FAULT
NO
NO
•
FAULTY RELAY SWITCH IN DSI — REPLACE DSI
BLOCKED FLUE SWITCH IS CLOSED
24 VOLTS IS PRESENT AT “ TH ” AT DSI
CONTROL.
YES
NO
•
CHECK TUBING TO SWITCH IS CONNECTED AND
NOT BLOCKED OR KINKED
•
CHECK AIR PRESSURE WITH MANOMETER
•
CHECK INTEGRITY OF SWITCH
•
REPLACE DEFECTIVE SWITCH
•
CHECK FOR AND REMEDY ANY OBSTRUCTION IN
THE VENT / TUBE