Vulcan-Hart VTEC25 Manuel d'installation télécharger pdf (Page 8)

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MGB-A OPERATING, INSTALLATION, SERVICE & PARTS

D. SERVICE

SERVICE TROUBLE SHOOTING GUIDE

PROBLEM POSSIBLE CAUSE

WHEN HEAT DOES NOT COME ON GAS VALVE BAD

WHEN CONTROL VALVE IS TURNED-ON PILOT BURNER NOT LIT

PILOT BURNER WILL NOT LIGHT MANUAL OR SAFETY SYSTEM GAS SYSTEM GAS

VALVE NOT TURNED ON

OBSTRUCTED PILOT ORIFICE

PILOT GAS TURNED OFF AT AUTOMATIC PILOT VALVE

AUTOMATIC VALVE BAD

PILOT BURNER WILL NOT STAY LIT THERMOCOUPLE BAD

THERMOCOUPLE NOT HOT ENOUGH

OBSTRUCTED OR WRONG SIZE PILOT ORIFICE

GAS SUPPLY NOT PURGED OF AIR

AIR BLOWING PILOT OUT

AUTOMATIC PILOT VALVE BAD

1. In order to remove burner for cleaning or replace-

ment:

(a) Remove the top grates

(b) Remove the radiants

(d) Reverse procedure for reassembly

2. To remove burner drawer:

(a) Turn off main shutoff valve

(b) Disconnect union

drawer forward.

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Vulcan-Hart VTEC25 Manuel d'installation Page 8