Lennox International Inc GHR32 manual Filters, Seasonal Inspections

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3 - Turn off all electrical power to the unit.

4 - This unit is equipped with an ignition device which au1 tomatically lights the burners. Do not try to light it by hand.

5 - Remove the unit access panel.

6 - Turn gas valve knob to OFF. See figure 3.

HONEYWELL VR8205 Series Gas Valve

high fire adjusting screw (under cap)

manifold pressure tap

low fire adjusting screw (under cap)

inlet pressure tap

Gas Valve Shown In OFF Position

 

Figure 3

7 - Wait five (5) minutes to clear out any gas. If you then smell gas, STOP! Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's in1 structions. If you do not smell gas go to next step.

8 - Turn gas valve knob to ON. Do not force the knob.

9 - Replace the unit access panel.

10 - Turn on all electrical power to the unit.

11 - Set thermostat to desired setting.

NOTE - When the unit is first started, steps 1 through 11 may need to be repeated to purge air from pilot line.

12 - If the appliance still will not operate, follow the instruc1 tions •Turning Off Gas to the Unit" and call your service technician or gas supplier.

Turning Off Gas to the Unit

1 - Set thermostat to lowest setting.

2 - Turn off all the electrical power to unit if service is to be performed.

3 - Remove the unit access panel.

4 - Turn gas valve knob to OFF. Do not force the knob. 5 - Replace the unit access panel.

Filters

A filter must be in place anytime the unit is operating. The filter may be located in the unit or installed in a return air grille. Ask your dealer to show you the filter location. The filter should be inspected monthly and cleaned when nec1 essary to assure proper that the furnace operates properly.

Filters used inside the GHR32 series units are available from Lennox and must be ordered separately. These foam filters may be cleaned for reuse. If the filters need to be re1 placed, order Lennox part #31J81 for 14 X 25 inch filters for the GHR32Q-50, -75 and GHR32V-75. Number P-8-7831 is for 20 X 25 inch filters which are used with the GHR32Q, and V-100 and the GHR32Q-120 units. See figure 4 for re1 moving the filter from the unit. Use the following procedure to clean the filter.

BACK FILTER CLIP

 

CABINET

 

FILTER

CABINET

FILTER

 

CLIP

 

SIDE FILTER

 

CLIP DETAIL

 

 

FILTER

Press up on side filter clip to

 

release filter

FILTER

(One on each side of cabinet)

CLIP

 

Figure 4

Cleaning Filter

1 - Turn off electric power to the unit.

2 - Remove blower access panel.

3 - Remove filter by pressing side filter clips and pulling filter up and out.

4 - Clean filter with cold water and a mild soap. Direct wa1 ter through filter in the opposite direction of air flow. Remove all soap residue.

5 - Allow the filter to dry, then spray with Filter Handicoat1 er (P-8-5069) prior to reinstallation. This spray is avail1 able from your Lennox dealer.

6 - Replace the filter in the blower compartment under the rear filter clip. Press on filter sides. The filter clips flex, allowing filter to snap into place.

7 - Replace the blower access panel.

WARNING

Blower door must be securely in place when blower and burners are operating. Gas fumes, which could contain carbon monoxide, can be drawn into living space resulting in personal injury or death.

Seasonal Inspections

A qualified service technician should inspect the complete system each season (heating and cooling). The following maintenance procedures should be conducted by a qualified service technician. Do not attempt to service the unit in any way.

During a seasonal check the service technician will inspect the indoor blower and the burner flames along with the venting system.

Venting System

Annually (before heating season) inspect furnace venting system, heat exchanger, and burners for corrosion, deteri1 oration, or deposits of debris. Remove any obstructions. Inspect furnace venting system to make sure it is in place, physically sound, and without holes or blockage. Vent con1 nector must be in correct position, sloped upward and be physically sound without holes.

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Contents GHR32 Series GHR32 Parts Identification Downflow Application Shown Important DirectionsLighting Information & Operation Carbon monoxide gas is invisible, odorless, and toxicFilters Seasonal InspectionsSafety Precautions Service ReminderPlanned Service