Carrier 58HDV Startup, Gas Supply Pressure, Manifold Gas Pressure Adjustments

2″

(50.8mm)

T S

Plenum

H

K R

P

L

N

Hole in

Floor

A = 4 1/4” (108mm) Minimum clearance from back of hole to wall or other obstruction.

J 2″ (50.8mm)

1″ (25.4mm)

M

A07784

58HDV

A 25--20--46

A07781

Fig. 47 - Exploded View of Subbase for Furnace Only

21/2″ (63.5mm)

11/2″ (38.1mm)

A09182

Fig. 48 - Exploded View of Base for Downflow Cased Coil

5.Position furnace or coil cabinet and furnace on subbase so it aligns between the locating tabs.

Furnace

Installation of

Combustible

Floor Base

Wood Floor

Plenum

A07783

Fig. 49 - Setting the Subbase

This subbase for combustible floors has been designed so that the height of the subbase raises the downflow coil off the floor to allow easy installation of the condensate drain. See Fig. 50

Fig. 50 - Condensate Line Raised by Base

CHECKS AND ADJUSTMENTS

NOTE: Verify the input rate of the furnace.

!WARNING

FIRE OR EXPLOSION HAZARD

Failure to follow this warning could result in personal injury, death and /or property damage.

Turn OFF gas at shut off before connecting manometer.

Startup

NOTE: Refer to the start-up procedures in the “User’s Information Manual” or to the “Operating Instructions Label” on the furnace.

!WARNING

ELECTRICAL OPERATION HAZARD

Failure to follow this warning could result in personal injury, death, and/or property damage.

If any sparks, odors or unusual noises occur, immediately shut OFF power to the furnace. Check for wiring errors or obstruction to blower.

Gas Supply Pressure

Gas supply pressure should be within minimum and maximum values listed on rating plate. Pressures are usually set by gas suppliers.

Manifold Gas Pressure Adjustments

(High and Low Heat)

NOTE: Make adjustment to manifold pressure with burners operating.

!WARNING

FIRE OR EXPLOSION HAZARD

Failure to follow this warning could result in personal injury, death and /or property damage.

Turn OFF gas at shut off before connecting manometer.

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