Sears N9MP2 Horizontal Termination, Proper Sealing Procedure for Combustion Blower, Vent Pipe

Proper Sealing Procedure for

Combustion Blower

RubberCoupling	J	._	VentPipe
& Clamps--__ ____	_	_	(Top Panel	Exit)
tPipe	_	NOTE: The		90 ° elbow is ap-
		proved for use inside the furnace
		ONLY.		Vent Fitting
90° Elbow				&Clamps

Combustion

Blower

Vent Extension _'_.

Pipe (Side Panel

Exit)

DRAIN SIDE VIEW

_/_'ia t e downward

NOIF. guilt-inchannelwill	25-24-14
beangled5° to 10° also.

Joining Pipe and Fittings

FIRE HAZARD

Observe all cautions and warnings printed on material

containers to prevent possible death, personal injury

and/or property damage.

Provide adequate ventilation and do NOT assemble near heat source or open flame. Do NOT smoke while using solvent cements and avoid contact with skin or eyes.

This furnace is approved for venting with Schedule 40 PVC, CPVC, ABS, Cellular Core pipe fittings and SDR-26 PVC.

NOTE: All PVC, CPVC, ABS, and Cellular Core pipe fittings, sol- vent cement, primers and procedures MUST conform to Ameri- can National Standard Institute and American Society for Testing and Materials (ANSI/ASTM) standards.

Pipe and Fittings - ASTM D1785, D2241, D2466, D2661, D2665, F-891, F-628

•PVC Primer and 5olvent Cement- ASTM D2564

•Procedure for Cementing Joints - Ref ASTM D2855

NOTE: In order to create a seal that allows future removal of pipe, RTV sealant MUST be used on the inlet pipe where it joins to the furnace. PVC, CPVC, ABS, and Cellular Core pipe and ce- ment may be used on all other joints.

CAUTION

Do NOT use solvent cement that has become curdled, lumpy

or thickened and do NOT thin. Observe precautions printed

on containers. For applications below 32 ° F., use only low

temperature type solvent cement.

1.Cut pipe end square, remove ragged edges and burrs. Chamfer end of pipe, then clean fitting, socket and pipe

joint of all dirt, grease, or moisture.

NOTE: Stir the solvent cement frequently while using. Use a natu- ral bristle brush or the dauber supplied with the cement. The prop- er brush size is one inch.

2.After checking pipe and socket for proper fit, wipe socket

and pipe with cleaner-primer. Apply a liberal coat of primer to inside surface of socket and outside of pipe. Do NOT al- low primer to dry before applying cement.

3.Apply a thin coat of cement evenly in the socket. Quickly apply a heavy coat of cement to the pipe end and insert pipe into fittings with a slight twisting movement until it bot- toms out.

NOTE: Cement MUST be fluid while inserting pipe. If NOT, recoat pipe.

4.Hold the pipe in the fitting for 30 seconds to prevent the ta- pered socket from pushing the pipe out of the fitting.

5.Wipe all excess cement from the joint with a rag. Allow 15 minutes before handling. Cure time varies according to fit,

temperature and humidity.

Connecting Vent Pipes and Termination

NOTE: Combustion air intake and vent MUST terminate in the

same atmospheric pressure zone. If installation is in a cold cli-

mate (sustained temperatures below 0 °F), increase the minimum distance between vent pipe and air intake from 8" to 18".

CAUTION

Maintain a minimum of 36" between combustion air inlet and

clothes dryer vent. Terminate the combustion air intake as

far as possible from any air conditioner, heat pump,

swimming pool, swimming pool pumping, chlorinator or

filtration unit.

Install all couplings, nipples and elbows using proper pro- cedures for Joining Pipe and Fittings and maintain spac-

ing between vent and combustion air piping as indicated in Figure 19 through Figure 27.

Sidewall Termination 12" or More

Above Snow Level or Grade Level

MIN.	_18" Minimum	for cold	climates
	(substained	below	0° F)

Horizontal Termination

Cuttwoholes. 2 /2' for 2"pipe, 3" for 2 1/2' , pipe, or3 1/2' , for

3" pipe. Do NOT make the holes oversized, or it will be nec- essary to add a sheet metal or plywood plate on the outside with the correct size hole in it.

44001 111400 I_