Carrier 48TC Instruction Manual download pdf (Page 10)

4. Carefully lift the hood assembly (with metal tray)

through the filter access opening and assemble per the

steps outlined in Economizer Hood and Two–Position

Hood, below.

Economizer Hood and Two--Position Hood —

NOTE: If the power exhaust accessory is to be installed

on the unit, the hood shipped with the unit will not be

used and must be discarded. Save the aluminum filter for

use in the power exhaust hood assembly.

1. The indoor coil access panel will be used as the top of

the hood. Remove the screws along the sides and bot-

tom of the indoor coil access panel. See Fig. 9.

TOP

PANEL

INDOOR

COIL

ACCESS

PANEL

INDOOR

COIL

ACCESS

PANEL

CAULK

HERE

TOP

PANEL

C06025

Fig. 9 -- Indoor Coil Access Panel Relocation

2. Swing out indoor coil access panel and insert the hood

sides under the panel (hood top). Use the screws

provided to attach the hood sides to the hood top. Use

screws provided to attach the hood sides to the unit. See

Fig. 10.

TOP

PANEL

INDOOR COIL

ACCESS PANEL

19 1/16”

SCREW

HOOD DIVIDER

LEFT

HOOD

SIDE

33 3/8”

(848mm)

(483mm)

C06026

Fig. 10 -- Economizer Hood Construction

3. Remove the shipping tape holding the economizer

barometric relief damper in place (economizer only).

4. Insert the hood divider between the hood sides. See

Fig. 10 and 11. Secure hood divider with 2 screws on

each hood side. The hood divider is also used as the

bottom filter rack for the aluminum filter.

5. Open the filter clips which are located underneath the

hood top. Insert the aluminum filter into the bottom

filter rack (hood divider). Push the filter into position

past the open filter clips. Close the filter clips to lock

the filter into place. See Fig. 11.

6. Caulk the ends of the joint between the unit top panel

and the hood top.

7. Replace the filter access panel.

DIVIDER

BAROMETRIC

RELIEF

CLEANABLE

ALUMINUM

FILTER

HOOD

FILTER

CLIP

OUTSIDE

AIR

C08634

Fig. 11 -- Economizer Filter Installation

Step 9 — Install Flue Hood

Flue hood is shipped screwed to the basepan beside the

burner compartment access panel. Remove from shipping

location and using screws provided, install flue hood and

screen in location shown in Fig. 12.

BLOWER

ACCESS

PANEL

C07081

Fig. 12 -- Flue Hood Details

Step 10 — Install Gas Piping

Installation of the gas piping must be accordance with

local building codes and with applicable national codes.

In U.S.A., refer to NFPA 54/ANSI Z223.1 National Fuel

Gas Code (NFGC). In Canada, installation must be

accordance with the CAN/CSA B149.1 and CAN/CSA

B149.2 installation codes for gas burning appliances.

This unit is factory equipped for use with Natural Gas fuel

at elevations up to 2000 ft (610 m) above sea level. Unit

48TC

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Carrier 48TC Instruction Manual Page 10

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