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Summary of Contents for 99270

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Page 2: ...other flammable vapors and liquids in open containers in the vicinity of this appliance is hazzardous WARNING Improper installation adjustment alteration service or maintenance can cause property dam...

Page 3: ...and it s proper firing rate are shown on the appliance rating plate Electrical characteristics are shown on the rating plate as well If the need for a change in fuel type occurs the manufacturer must...

Page 4: ...install fan belts and sheaves Adjust for proper belt tension Proper tension is achieved when the belt can be depressed 1 2 with moderate pressure at mid point between the motor and the fan sheves The...

Page 5: ...nit is for use with a paint spray booth The use of two 120 volt 20 ampere circuits for lighting will need to be supplied to the unit when used in conjunction with a paint spray booth The motor require...

Page 6: ...lt DC signal in the flame guard device During initiation there is a 10 second trial period At the end of this time if there is no flame in the pilot area the flame guard will lock out the burner syste...

Page 7: ...ves that the valve is closed before allowing electrical power to continue through the gas train circuit Cabin Pressure Control System Model 99270 A manual adjust lever is provided at the exhaust press...

Page 8: ...control transformer When the power switch and spray switch are actuated power is given to the motors If either exhaust fan motor starter or the supply motor starter trips out on overload the respectiv...

Page 9: ...or a minimum of 3 minutes At the completion of the delay cycle 120 volt power is supplied to the change over damper solenoid In turn the change over damper is opened pneumatically releasing the damper...

Page 10: ...troller returns to the first set position SP When the burner switch is in the summer position the PLC shuts off the gas train circuit At the end of the timed cool down cycle 1 to 10 minutes all functi...

Page 11: ...nifold modulating valve If the Flame Guard Device does not receive proof of flame in the burner within 10 seconds the pilot solenoid and the ignition transformer will be de energized The Flame Guard D...

Page 12: ...burner will not start if the temperature across the burner is below 20 deg F 4 Adjust high fire setting by viewing gas meter at the test port on the burner manifold manual gas valve Set the temperatur...

Page 13: ...should be replaced annually 3 Blower wheel should be periodically inspected for build up of dust or dirt and cleaned if necessary 4 Annually check the burner and components The flame rod should be cha...

Page 14: ...at 40 60 PSI TEMPERATURE DOES NOT Outside air temperature is Increase set point on RISE BURNER GREEN greater than set point Temperature control Reset LIGHT IS ON High limit is tripped Low gas high li...

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