Carrier COMFORTLINK 48HG014 Installation Instructions Manual
With controls power exhaust and barometric relief accessory
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Also See for COMFORTLINK 48HG014:
- User's information manual (8 pages) ,
- Controls operation and troubleshooting (56 pages)
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Power Exhaust Part Numbers: CRPWREXH018B00,
Barometric Relief Part Number: CRBARRLF003B00
CONTENTS
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 1
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1, 2
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Barometric Relief Damper . . . . . . . . . . . . . . . . . . . . . . . . 6
IMPORTANT: There are two different design revision
48/50HG units currently being produced. Because of
these differences, there are two different versions of
this accessory. This accessory literature covers acces-
sories manufactured for units with design revision 1.
Design revision 0 units are not covered in this acces-
sory book.
To determine the design revision, refer to the full unit
model number. See Fig. 1 for an example of an HG
model number. The design revision number in the model
number nomenclature is located in position 13.
DESIGN REVISION NUMBER
Position No. 1
2
3
4
5
6
7
Example:
4 8 H G D 0 1 6 A A
Fig. 1 — Model Number Chart
SAFETY CONSIDERATIONS
Installation and servicing of air-conditioning equipment can
be hazardous due to system pressure and electrical compo-
nents. Only trained and qualified service personnel should
install, repair, or service air-conditioning equipment.
ITEM DESCRIPTION
Blower/Damper
Assembly
Contactor
"
1
Screw 8-18 x
/
2
Power Wiring Harness
Control Wiring Harness
Snap Bushing
Plug Plate
Left Hand Bracket
Right Hand Bracket
" x
"
Screw -
1
/
3
/
4
4
Seal Strip
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
PC 111
Book 1
1
4
4
Tab
1a 1b 6a 6b
Installation Instructions
CRPWREXH019B00, CRPWREXH020B00
8
9
10
11
12
13
14
15
16
C
6
1
1
A
A
Table 1 — Power Exhaust/Barometric Relief Parts List
CRPWREXH018B00
Power Exhaust
(208/230 V)
HN52KC010 (2)
AL56AU166 (4)
50TG402807
50TG403083
HY93NH091
50TG500128
50TG502765
50TG502865
AL31AZ308 (9)
—
Catalog No. 534-80230
48/50HG014-028, 48/50PG20-28
with COMFORT LINK™ Controls
Barometric Relief Accessory
Untrained personnel can perform the basic maintenance
functions of cleaning coils and filters and replacing filters. All
other operations should be performed by trained service
personnel. When working on air-conditioning equipment,
observe precautions in the literature, tags and labels attached to
the unit, and other safety precautions that may apply.
Turn off main power to the unit and tag disconnect switch
before performing service or maintenance operations. Elec-
trical shock could cause personal injury or death.
IMPORTANT: The power exhaust accessory requires
the use of the economizer. Power Exhaust will not
operate without the use of an economizer.
Consult price pages for the economizer accessory if the unit
is not already equipped. Refer to Table 1 for a complete list of
parts contained in each kit.
Each hood assembly has 2 power exhaust blowers.
Brackets, wires and extra gasket screws are also included in the
package.
POWER EXHAUST PACKAGE USAGE
UNIT
48/50HG014-028,
48/50PG20-28
DESCRIPTION (QUANTITY)
CRPWREXH019B00
CRPWREXH020B00
Power Exhaust
(460 V)
HN52KC010 (2)
HN52KC010 (2)
AL56AU166 (4)
50TG402807
50TG403083
HY93NH091
50TG500128
50TG502765
50TG502865
AL31AZ308 (9)
—
Printed in U.S.A.
Form 48/50H,P-14SI
Power Exhaust and
GENERAL
VOLTAGE
PART NUMBER
208/230 V
CRPWREXH018B00
460 V
CRPWREXH019B00
575 V
CRPWREXH020B00
CRBARRLF003B00
Power Exhaust
Barometric Relief
(575 V)
AL56AU166 (4)
50TG402807
50TG403083
HY93NH091
50TG500128
50TG502765
50TG502765
50TG502865
50TG502865
AL31AZ308 (9)
AL31AZ308 (9)
—
Pg 1
3-05
—
—
—
—
—
—
—
Replaces: New
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Summary of Contents for Carrier COMFORTLINK 48HG014
-
Page 1: Installation Instructions
48/50HG014-028, 48/50PG20-28 with COMFORT LINK™ Controls Power Exhaust and Barometric Relief Accessory Installation Instructions Power Exhaust Part Numbers: CRPWREXH018B00, CRPWREXH019B00, CRPWREXH020B00 Barometric Relief Part Number: CRBARRLF003B00 CONTENTS Untrained personnel can perform the basic maintenance functions of cleaning coils and filters and replacing filters. All SAFETY CONSIDERATIONS . - Page 2 When removing panels from the unit, be careful not to damage roof or other surfaces with the panels. INSTALLATION 1. Remove return end cover and save screws for reuse. See Fig. 2. 2. As shown in Fig. 3, the power exhaust motor is factory wired to terminal 1 (high speed).
- Page 3 17. 48/50HG028 208/230-v Units only: 23. To access the configuration, use the arrow keys to scroll Do not install control wiring harness included with the the red LED on the display to the “Configuration” accessory. The control wires for the power exhaust position and press ENTER .
- Page 4 Fig. 8 — Assembly in Operating Position Fig. 5 — Pivot Point on Unit Panel POWER EXHAUST CONTACTOR Fig. 6 — Power Exhaust/Relief Damper Assembly Fig. 9 — Control Box Detail BRACKET Fig. 10 — Compressor Section Fig. 7 — Bracket and Hood Positioning...
- Page 5 LEGEND — Contactor — Capacitor — Economizer Control Board FIOP — Factory-Installed Option — Fuse — Indoor-Air Quality — Outdoor-Air Quality PEC1 — Power Exhaust Contactor — Power Exhaust Motor — Plug Fig. 11 — Power Exhaust Wiring Diagram — 48/50HG028 208/230-v Units ECONO CONTROL BOARD...
- Page 6 Barometric Relief Damper 4. Fold barometric relief assembly back into the unit. See Fig. 6. 1. Remove return end cover. Save screws for reuse. See 5. Install the side brackets using the -in. screws. Be Fig. 2. sure to properly position the hood. See Fig. 7. 2.
- Page 8 Copyright 2005 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. PC 111 Catalog No. 534-80230 Printed in U.S.A. Form 48/50H,P-14SI Pg 8 3-05 Replaces: New Book 1...