G61MPV UNIT INFORMATION SERVICE LITERATURE PDF

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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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LENNOX G61MPV SERVICE MANUAL Pdf Download.

Blower rpm may be adjusted any amount in order to maintain a constant cfm as shown in Blower Ratings Tables. Do not exit one through the roof and one on the side.

Exhaust and air intake pipes Check the exhaust and air intake pipes and all connections for tightness and to make sure there is no blockage. Lack of differential usually indicates problems in the intake or exhaust piping, but may indicate problems in the heat exchanger, condensing coil, header boxes, combustion inducer or other components.

The shutdown feature provides protection in case of a frozen bearing or blocked blower wheel. Refer to pipe and fittings specifications and uni procedures. Wait 5 minutes for internal capacitors to fully discharge.

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Lennox G61MPV Service Manual

See Sequence of Operation flow charts in the back of this manual for more detail. Installation and service must. Diagnostic lights flash the pressure switch failure code. Indoor blower speed reduced by CCB1 control. Acceptable Humidity level informatipn significantly 2 or more above setpoint. Clean or replace the filters when necessary to ensure proper furnace operation.

Jumper E20 set at TWO”. Properly locate the sensor rod or replace if xervice cannot be located correctly. If no power, check wire and connections. Unit can only shift out of high speed compressor operation at beginning of next cycle.

The unit will not fire with the switches jumpered. Remove four screws which secure combustion air inducer to collector box.

The table below provides the cooling mode blower speeds that will result from different switch settings. Be careful when servicing unit to avoid sharp edges which may result in personal injury.

The motor operates during all heating operation and is controlled by the ignition control A Internal Operation Each time the controller switches a stator winding figure 10 on and off, it is called a pulse.

Continue with installation following instructions given in piping termination section. Ihformation and compressor operate at high speed until next thermostat demand. Precautions If the G61MPV or its electronically controlled blower motor is improperly or inadequately grounded, it may cause television interference commonly known as RFI or radio frequency interference.

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Maximum vent length is defined as: Call for dehumidification initiated by CCB1 control. If this is not possible, a heat cable kit may be used on the condensate trap and line. Use pressure test adapter kit available as Lennox part 10L34 to assist in measurement.

See installation instructions for proper procedure. Disengage strain relief bushing and pull wiring unt bushing through the hole in the blower deck. The combustion air inducer pulls fresh air through the burner box.

Motor Start-Up When B3 begins start-up, the motor gently vibrates back and forth for a moment. When using VAC pins 1 and 2 must be jumpered.

If replacement is necessary the gaskets used to seal the box to the vestbule panel and the CAI to the box, must also be infomation. Use 2″ pipe all appliances both in operation and those not in operation and fittings only and make sure that the air intake does are connected to the venting system being tested.

Take a second reading after unit has reached steady state approximately 5 minutes. In horizontal applications, air intake must be brought in through the top.