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Speed Queen TMB796C Adjustments, Gas Burner Air Shutter

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Adjustments

WARNING

To reduce the risk of electric shock, fire, explosion, serious injury or death:

•Disconnect electric power to the tumbler before servicing.

•Close gas shut-off valve to gas tumbler before servicing.

•Close steam valve to steam tumbler before servicing.

•Never start the tumbler with any guards/ panels removed.

•Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the tumbler is properly grounded.

W002

Gas Burner Air Shutter

NOTE: Air inlet shutters on the burner must be adjusted so sufficient air is metered into the system for proper combustion and maximum efficiency. Before adjusting the inlet shutters be sure that all lint is removed from lint compartments and lint screen.

Air shutter adjustments will vary from location to location and will depend on the vent system, number of units installed, make-up air and line gas pressure. Opening the shutter increases the amount of primary air supplied to the burner while closing the shutter decreases the primary air supply. Adjust air shutter as follows:

Refer to Figure 25.

1.Open the access panel.

2.Start the tumbler and check the flame pattern. If the flame pattern is straight up, insufficient air is flowing through the tumbler and airflow switch is improperly set. A flame pattern that flares to the right and left indicates no air is flowing through the tumbler. Correct air and gas mixture is indicated if the flame pattern is primarily blue, with small yellow tips, and bends to the right of the heater section. Too little air is indicated if the flame if yellow, lazy and smokey.

3.To adjust the air shutter, loosen air inlet shutter adjusting screw.

4.Open or close air shutter as necessary to obtain proper flame intensity.

5.After air shutter is adjusted for proper flame, tighten air shutter adjusting screw securely.

PROPER AIRFLOW

1

INSUFFICIENT AIRFLOW

1

NO AIRFLOW

1

T457I

1Air Shutter Adjusting Screws

Figure 25

54

© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT

M414905

Contents

Page Page In the U.S.A In Canada In Australia WARNING •WHAT TO DO IF YOU SMELL GAS: –Do not try to light any appliance –Do not touch any electrical switch; do not use any phone in your building –Clear the room, building or area of all occupants Table of Contents Steam Requirements Single Drop Timer Rotary Coin Drop Timer Adjustments Removing Tumbler from Service Introduction Model Identification Introduction Customer Service Wiring Diagram Serial Plate Location Safety Information Save These Instructions Important Safety Instructions Page Specifications and Dimensions Cabinet Dimensions Exhaust Outlet Locations Gas Connection Locations Electrical Connection Locations Steam Connection Locations Installation Pre-InstallationInspection Location Requirements Position and Level the Tumbler Bolt-OnAngle Option Page To Reverse the Loading Door Page Page Before Placing Tumbler into Service Required for CE Models Only Installing CE Gas Drying Tumblers General Information Supply Burner Country Orifice Capacity Basic Configuration Specific Conversion Procedures NOTE: Blank burner orifices are Part No. M400995 Page Exhaust Requirements Layout Make-UpAir Venting Individual Venting Manifold Venting Page Station 8 in. (203 mm) Duct 10 in. (254 mm) Duct Page Gas Requirements Use pipe compound, resistant to actions of L.P. gas, on all pipe threads Gas Supply Pipe Sizing and Looping Equivalent Length 25 feet 50 feet 75 feet 100 feet High Altitude Burner Orifice Sizing Electrical Requirements Grounding Instructions For CE Models Only Service/Ground Location To Connect Electrical Service To The Tumbler Page Jumper Configuration Instructions Ferrite Ring Installation 50 Pound Gas and Steam Models 75 Pound Gas and Steam Models 50 and 75 Pound Electric Models Steam Requirements Piping Recommendations Thermal Oil Prep Steam Pressure PSI (bar) Minimum Pipe Diameter Steam Trap Size (Pounds Condensate/Hour) Single Drop Timer Power-UpMode Ready Mode Start Mode Run Mode Dipswitch Settings Coin Pulse (in Minutes) Rotary Coin Drop Timer Installing Accessory Timing Cam Removal of Existing Timing Cam Installation of New Timing Cam Adjustments Gas Burner Air Shutter Airflow Switch Gas and Electric Tumblers Page Loading Door Switch Loading Door Catch Drive Belt Nonreversing Models Reversing Models Page Page Removing Tumbler from Service