Bryant 340MAV instruction manual Location, General

A.	Condensate Trap Location		condensate trap relief port tube. The other collector box pressure
The condensate trap must be removed from the factory-installed			tube (green label) which was factory connected to the condensate
			trap relief port connection MUST be connected to the pressure
blower shelf location and relocated in selected application location
			switch in DOWNFLOW or HORIZONTAL RIGHT applications.
as shown in Fig. 2 or 12.
			NOTE: See Fig. 12 or tube routing label on main furnace door to
To relocate condensate trap from the blower shelf to desired
location, perform the following:			check for proper connections.
	1. Remove 3 tubes connected to condensate trap.		Relocate tubes as described below.
	2. Remove trap from blower shelf by gently pushing tabs		1.		Disconnect collector box pressure tube (pink label) attached
		inward and rotating trap.			to pressure switch.
	3. Install casing hole filler cap (factory-supplied in loose parts		2.		Extend collector box pressure tube (green label) which was
		bag) into blower shelf hole where trap was removed.			previously connected to condensate trap relief port connec-
					tion by splicing to small diameter tube (factory-supplied in
		WARNING: Casing hole filler cap must be installed in			loose parts bag).
		blower shelf hole when condensate trap is relocated.		3. Route extended collector box pressure tube behind inducer
		Failure to follow this warning could result in electrical
					motor bracket then between inducer motor and pressure
		shock, fire, personal injury or death.
					switch.
				4. Connect collector box pressure tube (green label) to pres-
	4. Install condensate trap into left-hand side casing hole by				sure switch connection labeled COLLECTOR BOX.
				5. Use remaining smaller diameter tube (factory-supplied in
		inserting tube connection stubs through casing hole and
		rotating until tabs snap into locking position.			loose parts bag) to extend collector box pressure tube (pink
	5. Fill unused condensate trap casing holes with plastic filler				label) which was previously connected to pressure switch.
		caps (factory-supplied in loose parts bag).		6. Route this extended tube (pink label) to condensate trap
B.	Condensate Trap Tubing				relief port connection.
NOTE: See Fig. 12 or tube routing label on main furnace door to			7.		Determine appropriate length, cut, and connect tube.
check for proper connections.			8.		Clamp tube to relief port connection.
	1. Collector Box Drain Tube		E. Condensate Trap Freeze Protection
		a. Remove factory-installed plug from LOWER collector
			Refer to Condensate Drain Protection section for recommenda-
		box drain tube (blue and white striped label).
			tions and procedures.
		b. Install removed clamp and plug into UPPER collector
			F. Construct a Working Platform
		box drain tube (blue label) which was previously con-
			Construct working platform where all required furnace clearances
		nected to condensate trap.
			are met. (See Fig. 3 and 11.)
		c. Connect LOWER collector box drain tube (blue and
			→
		white striped label) to condensate trap. Tube does not			CAUTION: The condensate trap MUST be installed
		need to be cut.			below furnace. See Fig. 5 for dimensions. The drain
		d. Clamp tube to prevent any condensate leakage.			connection to condensate trap must also be properly
	2. Inducer Housing Drain Tube				sloped to an open drain. Failure to follow this caution will
					result in intermittent unit operation.

a.Remove factory-installed cap and clamp from LOWER inducer housing drain connection.

b. Remove and discard UPPER (molded) inducer housing	NOTE: Combustion-air and vent pipes are restricted to a mini-
drain tube which was previously connected to conden-	mum length of 5 ft. (See Table 7.)
	NOTE: A 12-in. minimum offset pipe section is recommended
sate trap.
c. Install cap and clamp on UPPER inducer housing drain	with short (5 to 8 ft) vent systems. This recommendation is to
	reduce excessive condensate droplets from exiting the vent pipe.
connection where molded drain tube was removed.
	(See Fig. 11 or 34.)
d. Use inducer housing drain extension tube (violet label
	LOCATION
and factory-supplied in loose parts bag) to connect
LOWER inducer housing drain connection to conden-	I. GENERAL
sate trap.	This furnace must
e. Determine appropriate length, cut, and connect tube to	• be installed so the electrical components are protected from
condensate trap.	water.
f. Clamp tube to prevent any condensate leakage.	• not be installed directly on any combustible material other than
3. Relief Port Tube	wood flooring (refer to SAFETY CONSIDERATIONS).
	• be located so combustion-air and vent pipe maximum lengths
Refer to Pressure Switch Tubing section for connection
	are not exceeded. Refer to Table 7.
procedure.
	• be located where available electric power and gas supplies meet
C. Condensate Trap Field Drain Attachment
	specifications on the furnace rating plate.

Refer to Condensate Drain section for recommendations and procedures.

D. Pressure Switch Tubing

One collector box pressure tube (pink label) is factory connected to the pressure switch for use when furnace is installed in UPFLOW applications. This tube MUST be disconnected and used for the

•be attached to an air distribution system and be located as close to the center of the distribution system as possible. Refer to Air Ducts section.

•be provided with ample space for servicing and cleaning. Always comply with minimum fire protection clearances shown on the furnace clearance to combustible label.

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