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Фрагмент инструкции
Recheck ignition sequence as follows: • Reconnect main valve wire. • Set thermostat to call for heat. • Watch ignition sequence at burner. • If spark still does not stop after pilot lights, replace ignition module. • If main burner does not light or if main burner lights but system locks out, check module, ground wire, and gas control as described in control module instructions. 3 60-0653—8 Fig. 7—Example of unsatisfactory pilot flames. Fig. 7—Example of unsatisfactory pilot flames. APPEARANCE CAUSE SMALL BLUE FLAME SMALL BLUE FLAME CHECK FOR LACK OF GAS FROM: • CLOGGED ORIFICE FILTER • CLOGGED PILOT FILTER • LOW GAS SUPPLY PRESSURE • PILOT ADJUSTMENT AT MINIMUM LAZY YELLOW FLAME LAZY YELLOW FLAME CHECK FOR LACK OF AIR FROM: • DIRTY ORIFICE • DIRTY LINT SCREEN, IF USED • DIRTY PRIMARY AIR OPENING, IF THERE IS ONE • PILOT ADJUSTMENT AT MINIMUM WAVING BLUE FLAME WAVING BLUE FLAME CHECK FOR: • EXCESSIVE DRAFT AT PILOT LOCATION • RECIRCULATING PRODUCTS OF COMBUSTION NOISY LIFTING BLOWING FLAME NOISY LIFTING BLOWING FLAME CHECK FOR: • HIGH GAS PRESSURE HARD SHARP FLAME HARD SHARP FLAME THIS FLAME IS CHARACTERISTIC OF MANUFACTURED GAS CHECK FOR: • HIGH GAS PRESSURE • ORIFICE TOO SMALL M3778 CHECK IGNITION CABLE 1. Assure that ignition cable is not in contact with metal surfaces. 2. Assure that ignition cable is not more than 3 feet [1 m] long. 3. Assure connections to the ignition module stud terminal and the igniter-sensor are clean and tight. 4. Check electrical continuity of ignition cable. CHECK GROUNDING 1. If ground is poor or erratic, safety shutdown will occur. Therefore, if nuisance shutdowns are reported, check the ground precautions in Wire Igniter-Sensor section. 2. If leadwire is damaged or deteriorated, use no. 14 to 18 gauge, moisture-resistant, thermoplastic, insulated wire with 221° F [105° C] minimum rating as replacement. 3. Excessive temperature at the ceramic flame rod insulator will permit electrical leakage to ground. a. If bracket is bent, bend it back to correct position. b. If insulator is cracked, replace pilot burner/ igniter-sensor. TEST SAFETY LOCKOUT Refer to appliance manufacturer instructions to test for proper safety lockout times. Home and Building Control Home and Building Control Helping You Control Your World Honeywell Inc. Honeywell Limited—Honeywell Limitee 1985 Douglas Drive North 740 Ellesmere Road Golden Valley, Minnesota 55422 Scarborough, Ontario M1P 2V9 QUALITY IS KEY Printed in U.S.A. ...
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