Lodge Manufacturing GMD1-80N Manual Do Utilizador

All installations and services must be performed by qualified service personnel.

VI. STARTING THE UNIT

FLAME MUST BE

DETECTED WITHIN

4 SECONDS IF FLAME

IS DETECTED, THE
DELAY-TO-FAN-ON

TIME BEGINS (45 SECONDS)

IF FLAME IS NOT

DETECTED, THE GAS VALVE

IS DE-ENERGIZED, THE

IGNITOR IS TURNED OFF AND

THE CONTROL BOARD CONTROL

GOES INTO "RETRY" SEQUENCE

POWER IS APPLIED TO

THE SILICON NITRIDE

IGNITOR. IGNITOR

WARM-UP IS 20 SECONDS

POWER INTERRUPTION

SYSTEM SHUTS OFF,

RESTARTS WHEN

POWER IS RESTORED.

PRESSURE SWITCH SENSES

ADEQUATE DIFFERENTIAL

PRESSURE CONTACTS CLOSE

THERMOSTAT CALLS FOR

HEAT, CONTACTS CLOSE

CONTROL BOARD ENERGIZED,

INDUCER ENERGIZED

CONTINUOUS SAFE OPERATION CHECK IF FLAME

SIMULATION CONDITION PRESENT OR ROLL-OUT

SWITCH OPENS, SYSTEM ENERGIZES INDUCER

FAN FOR 15 SECONDS AND CIRCULATOR BLOWER

AT HEATING SPEED UNTIL SITUATION CORRECTION

AT ANY TIME THE

GAS VALVE IS

NOT ENERGIZED

A. SEQUENCE OF OPERATIONS

START TRIAL

FOR IGNITION

START

AFTER IGNITOR WARM-UP,

THE GAS VALVE IS

ENERGIZED TO OPEN