Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
PC 111
Catalog No. 534-80153
Printed in U.S.A.
Form 48/50H,T-30SI
Pg 1
9-03
Replaces: 48/50H,T-14SI
Book 1
1
1
4
4
4
Tab
1a 1b 5a 5a 6a 6b
Cancels: IIK 542J-150-20 IIK 542J-150-24
9/15/03
Installation Instructions
Part Number: CRPWREXH008B00
CRPWREXH009B00
CRPWREXH010B00
GENERAL
The accessory power exhaust package is used on the fol-
lowing units when these base units are fitted with economizers:
15 to 25 ton, standard-efficiency electric heat/electric cool and
gas heat/electric cool units; 12 to 20 ton, high-efficiency elec-
tric heat/electric cool and gas heat/electric cool units; and 13
and 15 ton, high-efficiency heat pump units. See Table 1.
The accessory will show a date code of 0903000001. Use this
accessory with 13 to 25 ton rooftop units with a serial
number of 3503Fxxxxx or later that are equipped with the
EconoMi$er+.
NOTE: This accessory is not compatible with the preassembled
horizontal supply transition accessory.
Table 1 — Accessory Power Exhaust Usage
*Power exhaust motor is wired for 460 v.
PACKAGE CONTENTS
INSTALLATION
1. Unpack accessory package. See Fig. 1.
2. Disconnect power to unit. Remove the control box
access panel, main control box cover, and alternate
return-air access panel (see Fig. 2). Using screws from
alternate return-air access panel, install center post and
insulated panel as shown in Fig. 3.
3. Remove
5
/
8
-in. and
7
/
8
-in. knockouts from bottom of
main control box (see Fig. 4) and two
7
/
8
-in. knockouts
in partition separating return-air compartment from
control box section. Install snap bushing provided in
knockout closest to economizer side of unit (see
Fig. 5).
4. Position power exhaust box (see Fig. 5) next to alter-
nate return-air opening (see Fig. 3) and install using
screws provided.
UNIT VOLTAGE
POWER EXHAUST
PACKAGE NO.
208/230, 460 V (60 Hz)
CRPWREXH008B00*
575 V (60 Hz)
CRPWREXH010B00
220 V, 400 V (50 Hz)
CRPWREXH009B00
QUANTITY
ITEM
1
Power exhaust with motor, control box, fan,
and fan grille
1
Conduit assembly
5
Electrical snap bushings
7
No. 10AB x
1
/
2
-in. lg screws
1
Center post
1
Insulated panel
2
No. 10-32 x
3
/
8
-in.
machine screws
3
Wire nut connectors
Large Rooftop Units
Accessory Power Exhaust
50/60 Hz
POWER EXHAUST
INSULATED
PANEL
CENTER POST
Fig. 1 — Accessory Power Exhaust Package
Fig. 2 — Typical Base Unit
Summary of Contents for CRPWREXH008B00
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