Instructions for Examining the Furnace Installation

271015-UUM-A-0407

VENT PIPE

FLUE

COLLAR

ELECTRICAL

CONTROLJUNCTION BOX

BOARD

	SAFETY SHUTOFF
PRESUURE	SWITCH
PRESUURE
SWITCH
	INDUCED DRAFT
SILICONE	ASSEMBLY
TUBE		INDUCED DRAFT
		INDUCED DRAFT
		MOTOR
		LIMIT
GAS VALVE		SWITCH
GAS VALVE		SWITCH
FLAME		IGNITOR
SENSOR		IGNITOR
SENSOR
		MANIFOLD
		PIPE

FIGURE 1: Component Locations

7.NEVER. . .Store flammable materials of any kind near your fur- nace. Gasoline, solvents, and other volatile liquids should be stored only in approved containers outside your home. These materials vaporize easily and are extremely dangerous.

8.NEVER. . .Store cleaning materials near your furnace. Materials such as bleaches, detergents, powdered cleansers, etc., can cause corrosion of the heat exchangers.

9.NEVER. . . Use the area around your furnace as a storage area for items which could block the normal flow of air. This flow of air is required for ventilation of the various furnace components.

FIRE OR EXPLOSION HAZARD

This furnace is designed and approved for use with Nat- ural Gas and (LP) Propane Gas ONLY. DO NOT BURN ANY LIQUID FUEL OR SOLID FUEL IN THIS FURNACE.

Burning any unapproved fuel will result in damage to the furnace heat exchanger, which could result in Fire, Per- sonal Injury, and/or Property Damage.

INSTRUCTIONS FOR EXAMINING THE FURNACE INSTALLATION

It is the owner’s responsibility to ensure that an annual inspection of the entire heating portion of the unit is made by a qualified service agency. Examine the furnace as outlined below in steps “1 - 6” before each heating season. Use Figure 3 for visual reference.

1.Examine the heat exchanger, vent pipe, combustion air passages, vent connectors and chimney to be sure they are clear and free of obstructions.

2.Examine the vent pipe making sure it is firmly in place, that it slopes slightly upward and is physically sound without holes and all of the connections are secure.

3.Examine the return-air duct connections to make sure they are physically sound, sealed to the furnace casing, and the ducts ter- minate outside the space containing the furnace.

4.Examine the furnace casing making sure the physical support is sound without sagging, cracks or gaps. Examine the furnace base making sure it is physically sound without cracks, gaps or sagging and has a good seal.

5.Examine the furnace casing for obvious signs of deterioration.

6.Examine the burner flames to make sure they are in good adjust- ment. Refer to the pictorial sketch shown in Figure 2 as a compari- son to the actual flame.

BLUE CONE PORTION OF FLAME SHOULD

ENTER HEAT EXCHANGER TUBE

FIGURE 2: Burner Flame Drawing

EXAMINE EXTERNAL	3 EXAMINE	5 EXAMINE ENTIRE
VENT PIPE	RETURN AIR	FURNACE CASING	3
		SHOWN IN ALL

DUCT	DRAWINGS	EXAMINE
DUCT		RETURN AIR
CONNECTION

		DUCT
		DUCT
		CONNECTION

		4 EXAMINE	1 EXTERNAL HEAT	4 EXAMINE
		4 EXAMINE	EXCHANGER	4 EXAMINE
6		FURNACE	INTERNAL	FURNACE
	REMOVE	FURNACE	INTERNAL	CASING
		CASING	VENT COMBUSTION	CASING
		CASING	VENT COMBUSTION		6 REMOVE PANEL
	PANEL		AIR PIPE. MUST
	PANEL		AIR PIPE. MUST
	TO EXAMINE		REMOVE PANEL TO		TO EXAMINE
	BURNER		EXAMINE.		BURNER FLAMES

FLAMES

FIGURE 3: Furnace Examination Checkpoints

2	Unitary Products Group

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