Carrier Installation Manual and Specifications for 58MCA Furnace Models

	INSTALLATION
This appliance requires a special venting system. Refer to the		LEVEL (0")	LEVEL (0")
		TO		TO
installation instructions for parts list and method of installation.		1/2" MAX	1/2" MAX
Furnace must be installed level, or pitched forward within 1/2 inch
of level for proper drainage. Failure will result in equipment or
property damage. See Installation Manual for IMPORTANT unit		UPFLOW OR	FRONT
support details on horizontal applications.				FRONT
		DOWNFLOW
				HORIZONTAL

Furnace is shipped from factory in upflow configuration. Pressure tube and drain tube routing MUST match the diagrams below.

Condensate Trap; Factory	Tube location when used in UPFLOW application	Condensate Trap on LEFT
Installed in Blower Shelf		Side Optional

(Blower access panel removed)

	CAP		CAP
COLLECTOR BOX
	PLUG
TUBE (PINK)			PLUG
COLLECTOR BOX		COLLECTOR BOX
	COLLECTOR BOX
TUBE (GREEN)		TUBE (PINK)
	DRAIN TUBE (BLUE
INDUCER HOUSING (MOLDED)	& WHITE STRIPED)	COLLECTOR BOX	COLLECTOR BOX
DRAIN TUBE (BEHIND		TUBE (GREEN)	DRAIN TUBE (BLUE
COLLECTOR BOX DRAIN TUBE)			& WHITE STRIPED)
COLLECTOR BOX	CONDENSATE	COLLECTOR BOX
	TRAP	DRAIN TUBE (BLUE)
DRAIN TUBE (BLUE)

			FIELD-INSTALLED
FIELD-INSTALLED			FACTORY-SUPPLIED	CONDENSATE
FACTORY-SUPPLIED	DRAIN TUBE COUPLING
DRAIN TUBE COUPLING		(RIGHT DRAIN OPTION)		TRAP
					INDUCER
(LEFT DRAIN OPTION)		FIELD-INSTALLED
					HOUSING
FIELD-INSTALLED		FACTORY-SUPPLIED			DRAIN TUBE
		1/2-IN. CPVC STREET			(VIOLET)
FACTORY-SUPPLIED
		ELBOWS (2) FOR
DRAIN TUBE
		LEFT DRAIN OPTION

Condensate Trap on	Tube location when used in DOWNFLOW application			Condensate Trap on
LEFT Side				RIGHT Side
CAP	COLLECTOR BOX			PLUG
	DRAIN TUBE (BLUE)			CAP
	PLUGGED END
				COLLECTOR BOX
		COLLECTOR	DRAIN TUBE (BLUE)
COLLECTOR BOX		BOX DRAIN		COLLECTOR BOX
TUBE (GREEN)		TUBE (BLUE
				TUBE (PINK)
		& WHITE
	PLUG			COLLECTOR BOX
COLLECTOR BOX DRAIN TUBE		STRIPED)
(BLUE & WHITE STRIPED)				TUBE (GREEN)
		INDUCER		COLLECTOR BOX
COLLECTOR BOX				EXTENSION TUBE
		HOUSING DRAIN
EXTENSION TUBE		TUBE (VIOLET)	COLLECTOR BOX
	COLLECTOR BOX		EXTENSION TUBE
CONDENSATE TRAP	EXTENSION TUBE	DRAIN TUBE		CONDENSATE TRAP
		COUPLING
	COLLECTOR BOX
	TUBE (PINK)			COLLECTOR BOX
INDUCER HOUSING
			GAS VALVE	EXTENSION DRAIN
DRAIN TUBE (VIOLET)				TUBE
Tube location when used on			Tube location when used on
HORIZONTAL - LEFT application		HORIZONTAL - RIGHT application
AUXILIARY "J" BOX	COLLECTOR BOX DRAIN TUBE		COLLECTOR BOX DRAIN TUBE (BLUE)
RELOCATED HERE
	(BLUE & WHITE STRIPED)	PLUG	COLLECTOR BOX EXTENSION TUBE
PLUG	COLLECTOR		COLLECTOR BOX TUBE (PINK)
CAP	BOX
	EXTENSION
	DRAIN TUBE

COLLECTOR

BOX TUBE

(GREEN)

COLLECTOR BOX						CAP
EXTENSION TUBE
					INDUCER
								COLLECTOR
					HOUSING
CONDENSATE TRAP					DRAIN TUBE			BOX
					(VIOLET)	COLLECTOR BOX		EXTENSION
								TUBE
		DRAIN TUBE	COLLECTOR BOX			TUBE (GREEN)
	COLLECTOR BOX
		COUPLING		DRAIN TUBE		COLLECTOR BOX DRAIN TUBE		CONDENSATE
	EXTENSION DRAIN TUBE
					(BLUE)	(BLUE AND WHITE STRIPED)		TRAP
	COLLECTOR BOX TUBE (PINK) RELOCATE TUBE						INDUCER HOUSING DRAIN
	BETWEEN BLOWER SHELF AND INDUCER HOUSING						TUBE (VIOLET)
NOTE:	FOR 040,060, AND 080 HEATING INPUT FURNACES

1.All tubing must be connected securely and routed to avoid kinks and traps.

2.Pressure tubing must always slope away from pressure switch to collector box connection as shown.

3.HORIZONTAL-LEFT installations require the collector box pressure tube to be relocated between the inducer housing and the blower

shelf to prevent a trap. Refer to the Installation Instructions for further details. 322593-101 REV. A

A96212

Fig. 8ÐFurnace Pressure and Drain Tubing Diagram

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