To Turn Off Gas To Appliance - Heat Transfer Munchkin VWH User Manual

H. TO TURN OFF GAS TO APPLIANCE
1. Set the thermostat to lowest setting.
2. Turn off all electric power to the appliance if service is to be performed.
3. Remove the front cover.
4. Turn gas shutoff valve to "off".
5. Install front cover.
MUNCHKIN GAS VALVE
OFF SET ADJUSTMENT
CAUTION: DO NOT REMOVE
THIS SCREW OR ATTEMPT TO
MAKE ANY ADJUSTMENT TO
THIS SCREW WITHOUT A
COMBUSTION ANALYZER
SEE PART 12 SECTION "D"
FOR COMBUSTION SETTING
TABLE.
GAS VALVE
GAS SHUT OFF
VALVE
Fig. 6-3
34
MUNCHKIN VWH FAN SPEEDS
BOILER HIGH
199M 4800
399M 7700
Fig. 6-2
START-UP PROCEDURES
LOW IGNITION
1550 2765
1900 3000
PRESSURE TAP OUTLET
THROTTLE ADJUSTER
NOTE: IF FOR ANY REASON THE
THROTTLE NEEDS TO BE ADJUSTED,
IT IS VERY IMPORTANT THAT A
"COMBUSTION ANALYZER" BE USED
TO ENSURE SAFE AND PROPER
OPERATION. TURN THE ADJUSTER
TO THE (+) TO INCREASE GAS OR
THE (-) TO DECREASE THE GAS
SUPPLY. THIS ADJUSTMENT COULD
AFFECT CO/CO% LEVELS. MAKE
SURE THE LEVELS CORRESPOND
TO THE CHART IN COMBUSTION
SETTINGS. SEE PART 6, G. TEST MODE
PRESSURE
TAP INLET