Carrier 48TJD008-014 User Manual download pdf (Page 3)

UNIT SIZE

‘‘A’’

ROOF CURB

48TJ ACCESSORY

008-014

18-29 [356] CRRFCURB003A00

28-09 [610] CRRFCURB004A00

UNIT SIZE

48TJ

‘‘B’’ ‘‘C’’ ‘‘D’’ ALT DRAIN HOLE

‘‘E’’

GAS

POWER

CONNECTION

CONTROL

CONNECTION

CONNECTOR

ACCESSORY

PACKAGE

008-014 28-8

⁄

9 [827] 18-10

⁄

9 [583] 1

⁄

9 [45]

⁄

9 NPT

⁄

9 NPT

⁄

9 NPT

CRBTMPWR00A100

(THRU-THE-BOTTOM)

⁄

9 NPT 1

⁄

9 NPT

⁄

9 NPT

CRBTMPWR00A200

(THRU-THE-BOTTOM)

NOTES:

1. Roof curb accessory is shipped unassembled.

2. Insulated panels.

3. Dimensions in [ ] are in millimeters.

4. Roof curb: galvanized steel.

5. Attach ductwork to curb (ﬂanges of duct rest on

curb).

6. Service clearance 4 ft on each side.

7. Direction of airﬂow.

8. Either accessory connector package can be used

with either roof curb.

Fig. 2 — Roof Curb Details

1 2 3 4 ... 40

Installation, Start-Up and 1
Service Instructions 1
Fig. 2 — Roof Curb Details 3
maximum unit static 4
Table 1 — Physical Data 5
Fig. 7 — Base Unit Dimensions 7
SPACING OF SUPPORTS 8
OUTDOOR-AIR 12
OPENING PANEL 12
FILTER ACCESS 12
ECONOMIZER CONTROL BOARD 13
ECONOMIZER MOTOR 13
POSITION SETTING BRACKET 13
BLOCK-OFF PLATE 13
POSITION 14
RH — Relative Humidity 16
MOTOR MOUNTING 17
PLATE NUTS 17
Table 6 — Motor Data 18
Operating Sequence 24
Lubrication 25
208/230 V 2.75 26
460 V and 575 V 3.50 26
TROUBLESHOOTING 31
LEGEND AND NOTES FOR FIG. 48 35
Book 1 4 38
Tab 1a 6a 38
START-UP CHECKLIST 40
I. PRELIMINARY INFORMATION 40
III. START-UP 40

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Carrier 48TJD008-014 User Manual Page 3

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