G61MPV UNIT INFORMATION SERVICE LITERATURE PDF

Exhaust Pipe Venting Information . Manual reset switches are factory installed on burner box. after unit lockout, eliminating nuisance calls for service. Repair Parts List. 69 Refer to Engineering Handbook for additional information. **Consider . G61MPV units are CSA International certified to ANSI. Z Installation and service must be per- formed by a information, consult material safety data sheets available shut off the manual gas valve to the furnace before shutting off . G61MPV units are equipped with a SureLight® ignition sys- tem.

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If the system exceeds this amount, the blower may enter a cut back”, informatino wherein it then slows down to protect itself from electrical damage. Diagnostic lights flash the open rollout failure mode. Dip Switch set at TWO”. Take combustion sample beyond the flue outlet and compare to the following tables.

Once demand is met, motor ramps down to stop.

G61MPV Service Literature G61MPV SERIES UNITS

Properly locate the sensor rod Sensor rod is improperly located on or replace if rod cannot be located correctly.

Failure to wait may cause personal injury or death. The SureLight control allows the gas valve to remain open as long as flame signal is sensed. See Page for more detailed speed tap operation. None Humidity level is slightly 1 above setpoint. Remove condensate trap it may be necessary to cut drain pipe.

Remove combustion air inducer assembly. The board and ignitor work in combination to ensure furnace ignition and ignitor durability.

Service Manuals | Engineering Documents | Commercial HVAC | Lennox Commercial

The controller monitors the static work load on the motor and motor amp-draw to determine the amount of rpm adjustment. Permitted only if veranda, porch, deck or balcony is fully open on a minimum of two sides beneath the floor.

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If vertical discharge through an existing unused stack is required, insert PVC pipe inside the stack until the end is even with the top or outlet end of the metal stack.

Do not exit one through the roof and one on the side. Inlet and outlet pressure taps are located on the valve. The gas valve senses the pressure in the burner box and changes gas valve outlet manifold pressure based on changes in the burner box pressure.

Seal around the hose with permagum. When the blower door is removed the unit will shut down. The blower will maintain the desired cfm as long as external static pressure does not exceed 0.

Page 67 automatically lights the burners.

LENNOX G61MPV SERVICE MANUAL Pdf Download.

Blower immediately changes speed in response to thermostat demand. Don’t informayion an account? Cleaning Heat Exchanger If cleaning the heat exchanger becomes necessary, follow the below procedures and refer to figure 1 when disassembling unit.

Failure to follow safety warnings exactly could result in dangerous operation, serious injury, death or property damage.

If temperature is too high, first check the firing rate. This amount of power is used for cycles.

If drain level is above condensate trap, condensate pump must be used. Diagnostic lights flash the pressure switch failure code. Force or attempted repair may result in a fire or explosion. Condensate should flow freely during operation of furnace.

The intent is to compensate for different vent configurations which can inrormation affect the rate of the unit. Circuit board failure or control wired incorrectly.

After a factory default 10 minute recognition period, the unit will switch to second stage heat. Properly locate the sense rod or replace if rod cannot be located correctly. The unit control indicates the desired cfm. The switch can be manually reset.

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The longer the pulse, the faster the motor. Blower should operate at high heat speed. Try not unih bounce the disconnect switch when applying power to the unit.

Lennox G61MPV Service Manual

Calculate the corresponding informqtion feet of vent pipe. Exhaust vent liiterature pipe informztion sized to optimize the velocity of the exhaust gas as it exits the termination. Low prove switch closed prior to activation of combustion air inducer.

Off Off Y1 Humidity level is slightly 1 above setpoint. A reducer may be required on the exhaust piping at the point where it exits the structure to improve the velocity of exhaust away from the intake piping.

To check, disconnect power to indoor unit then check TV for continued signs of interference. Do not operate a summer exhaust fan. Soap solutions can be corrosive. Call for dehumidification initiated by CCB1 control. Diagnostic lights flash the pressure switch failure code 2. Compounds used on gas piping threaded joints should be resistant to action of liquefied petroleum gases.

A bleed port on the switch allows relatively dry air in the vestibule to purge switch tubing, to prevent condensate build up.

It may be necessary to cut the exiting exhaust pipe for removal of the fittings. In horizontal applications, the condensate trap should extend below the unit.

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