John Wood Commercial Power Vent - AJWSM - Manuel (Page 9)

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1. With all exhaust fans and appliance operating as instructed in “Safety
Interlock/Combustion Air Test”, set the Air Flow Adjustment by loosening
locknut and turning rod handle. CAUTION: HANDLE MAY BE HOT, USE
PLIERS TO MOVE HANDLE. Position of rod handle indicates the position
of Air Flow Adjustment inside housing.
2. Using pliers, move handle towards minimum draft setting until spillage is
detected at draft hood relief opening, then re-open Air Flow Adjustment
just enough to eliminate spillage.
3. Lock Air Flow Adjustment at desired setting by tightening locknut.
4. Return appliance, doors, windows, exhaust fans and fireplace dampers to
their previous conditions of use.
1. Both Power Vent Kits GPAK1T-GSW, and GPAK2T-GSW have motors which do not need to be oiled.
2. The owner must semi-annually inspect the Vent Hood and vent pipe for blockage, corrosion and leaks.
3. A vent system inspection must be performed annually by a qualified service agency. The inspection should include the operation
circuit check, safety interlock test, combustion air test and a visual inspection of the complete vent system for corrosion, blockage
or leaks. Any corrosion, blockage or leaks detected must be repaired or replaced immediately.
REPLACEMENT PARTS
DESCRIPTION PART NUMBER
Power Vent Kit GPAK1T-GSW Vent Hood VH1-4
Power Vent Kit GPAK2T-GSW Vent Hood VH1-6
Power Vent Kit GPAK1T-GSW Motor 950-1020
Power Vent Kit GPAK2T-GSW Motor 950-1021
Power Vent Kit GPAK1T-GSW Fan Prover 950-0034
Power Vent Kit GPAK2T-GSW Fan Prover 950-0035
Power Vent Kit GPAK1T-GSW Wheel 950-1011
Power Vent Kit GPAK2T-GSW Wheel 950-1012
Post Purge Relay/Timer (1 to 10 minute adjustable delay) 950-1067
AIR FLOW ADJUSTMENT
MAINTENANCE