York GY8S160E30UH21 service manual Installation, Fire or Explosion Hazard

272442-UUM-B-1211
	VENT PIPE		FLUE	INSTRUCTIONS FOR EXAMINING THE FURNACE
				INSTALLATION
			COLLAR
PRESUURE			ELECTRICAL	It is the owner’s responsibility to ensure that an annual inspection of the
SWITCH			JUNCTION BOX
			INDUCED DRAFT	entire heating portion of the unit is made by a qualified service agency.
SILICONE			ASSEMBLY	Examine the furnace as outlined below in steps “1 - 6” before each
TUBE			INDUCED DRAFT	heating season. Use Figure 3 for visual reference.
LIMIT			MOTOR
			GAS VALVE	1. Examine the heat exchanger, vent pipe, combustion air passages,
CONTROL
FLAME			LIMIT		vent connectors and chimney to be sure they are clear and free of
SENSOR			SWITCH		obstructions.
			IGNITOR	2.	Examine the vent pipe making sure it is firmly in place, that it
MOTOR			MANIFOLD
			PIPE		slopes slightly upward and is physically sound without holes and
PULLEY
			SAFETY SHUTOFF		all of the connections are secure.
FAN BELT			SWITCH	3. Examine the return-air duct connections to make sure they are
	Y W R G C		CONTROL
FAN			BOARD		physically sound, sealed to the furnace casing, and the ducts ter-
PULLEY					minate outside the space containing the furnace.
			BLOWER
BLOWER			SHAFT	4. Examine the furnace casing making sure the physical support is
HOUSING
					sound without sagging, cracks or gaps. Examine the furnace base
					making sure it is physically sound without cracks, gaps or sagging
FIGURE 1: Component Locations					and has a good seal.
				5.	Examine the furnace casing for obvious signs of deterioration.
7. NEVER . . .Store flammable materials of any kind near your fur-
				6.	Examine the burner flames to make sure they are in good adjust-
nace. Gasoline, solvents,	and other	volatile	liquids should be
					ment. Refer to the pictorial sketch shown in Figure 2 as a compari-
stored only in approved	containers	outside	your home. These
					son to the actual flame.
materials vaporize easily and are extremely dangerous.

8.NEVER . . .Store cleaning materials near your furnace. Materials

such as bleaches, detergents, powdered cleansers, etc., can	BLUE CONE PORTION OF FLAME SHOULD
	ENTER HEAT EXCHANGER TUBE
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-	FIGURE 2: Burner Flame Drawing
sonal Injury, and/or Property Damage.

EXAMINE EXTERNAL	5 EXAMINE ENTIRE
	FURNACE CASING
VENT PIPE
	SHOWN IN ALL
	DRAWINGS

1EXTERNAL HEAT EXCHANGER INTERNAL VENT COMBUSTION AIR PIPE. MUST

REMOVE PANEL TO EXAMINE.

6 REMOVE
	PANEL
	TO EXAMINE	4 EXAMINE
	BURNER	FURNACE
	FLAMES	CASING
3	EXAMINE
	RETURN AIR
	DUCT
	CONNECTION

		6 REMOVE
4	EXAMINE	PANEL
		TO EXAMINE
	FURNACE
		BURNER
	CASING
		FLAMES
		3 EXAMINE
		RETURN AIR
		DUCT
		CONNECTION
		(side or bottom)

FIGURE 3: Furnace Examination Checkpoints

2 Unitary Products Group