Table of Contents
Advertisement
Quick Links
Part No. CRECOMZR054B00, CRECOMZR055B00
CONTENTS
PACKAGE CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . 1
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 1
PACKAGE CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . 1
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
VERTICAL INSTALLATION . . . . . . . . . . . . . . . . . . . . . 3
Barometric Hood Assembly . . . . . . . . . . . . . . . . . . . . 8
HORIZONTAL INSTALLATION . . . . . . . . . . . . . . . . . 12
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
PACKAGE CONTENTS
UNIT SIZE
Short Chassis 44 in. Tall
Tall Chassis 52 in. Tall
SAFETY CONSIDERATIONS
Installation and servicing of air-conditioning equipment can be
hazardous due to system pressure and electrical components. Only
trained and qualified service personnel should install, repair, or
service air-conditioning equipment.
Untrained personnel can perform 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.
Follow all safety codes. Wear safety glasses and work gloves. Use
quenching cloth for unbrazing operations. Have fire extinguisher
available for all brazing operations.
It is important to recognize safety information. This is the safety-
alert symbol
. When you see this symbol on the unit and in
instructions or manuals, be alert to the potential for personal
injury.
Understand the signal words DANGER, WARNING, CAUTION,
and NOTE. These words are used with the safety-alert symbol.
DANGER identifies the most serious hazards which will result in
severe personal injury or death. WARNING signifies hazards
which could result in personal injury or death. CAUTION is used
to identify unsafe practices, which may result in minor personal
injury or product and property damage. NOTE is used to highlight
suggestions which will result in enhanced installation, reliability,
or operation.
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53480312-01
Installation Instructions
Page
PART NUMBER
CRECOMZR054B00
CRECOMZR055B00
Printed in U.S.A.
Form IIK-CRECOMZR54-04
Vertical and Horizontal
Economi$er
Medium Rooftop Units
IMPORTANT: Read these instructions completely before
attempting to install the accessory EconoMi$er2 system.
PACKAGE CONTENTS
UNIT NO.
QTY
1
Damper Assembly
1
Upper End Economizer Panel
Bottom Panel with Relief Damper
1
(for vertical only)
1
Bottom Panel #2 (for horizontal only)
Side Replacement Panel (for horizontal
1
only)
3
Filter Supports
3
Central Retainer
CRECOMZR054B00
2
Side Retainer
1
Hood Top
1
Left Hood Side
1
Right Hood Side
2
Top Diverters
3
Deflector
4
Outside Air Filter Screens
1
Hardware bag with screw, etc.
1
Damper Assembly
1
Upper End Economizer Panel
Bottom Panel with Relief Damper (for
1
vertical only)
1
Bottom Panel #2 (for horizontal only)
Side Replacement Panel (for horizontal
1
only)
3
Filter Supports
3
Central Retainer
CRECOMZR055B00
2
Side Retainer
1
Hood Top
1
Left Hood Side
1
Right Hood Side
2
Top Diverters
3
Deflector
4
Outside Air Filter Screens
1
Hardware bag with screw, etc.
CAUTION
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury
and/ or death.
Disconnect power supply and install lockout tag before
attempting to install accessory.
Pg 1
2 Accessory
®
15 to 27.5 Tons
CONTENTS
7-21 Replaces: IIK-CRECOMZR54-03
Advertisement
Table of Contents
Related Manuals for Carrier CRECOMZR054B00
Summary of Contents for Carrier CRECOMZR054B00
-
Page 1: Table Of Contents
2 Accessory ® Medium Rooftop Units 15 to 27.5 Tons Installation Instructions Part No. CRECOMZR054B00, CRECOMZR055B00 CONTENTS Page IMPORTANT: Read these instructions completely before attempting to install the accessory EconoMi$er2 system. PACKAGE CONTENTS ......1 SAFETY CONSIDERATIONS . -
Page 2: General
A 12-pin plug is provided for connection to the control. (See GENERAL Fig. 1.) IMPORTANT: Read these instructions completely before The EconoMi$er2 system utilizes gear-drive technology with a attempting to install the accessory EconoMi$er2 system. direct-mount, spring-return actuator that will close upon loss of power. -
Page 3: Vertical Installation
Insert provided screw through the bottom left rear of the VERTICAL INSTALLATION economizer and into the unit base. (See Fig. 4.) Reinstall the These economizers are designed to work in both a vertical and unit’s left side panel. horizontal applications. These instructions are for a vertical Before the economizer is secured in place on the right hand installation. - Page 4 Economizer Screw Economizer to Base Fig. 4 — Side View Unit’s Left Side Panel Economizer Screw Economizer Flange Left Front Corner Post Fig. 5 — Top View Install the bottom panel with the relief damper attached on the 10. Install the upper end economizer panel over the economizer’s unit.
- Page 5 Economizer Outside Air Damper Insert Screw Left Front Corner Post Insert Screw Fig. 6 — Front Left View b. Install each deflector (Item #8) on to each filter support (Item #1) using the screws provided. c. Apply seal strip to mating flanges on the side plates of the hood (Item # 4 and #5).
- Page 6 Insert (2) screws thru panel and into economizer Provided Upper Panel Economizer Outside Air Damper Remove Provided Relief Damper Shipping Bottom Panel Screw with Relief Fig. 8 — End View of Unit APPLY SEAL STRIP TO THE BACK OF THIS FLANGE APPLY SEAL STRIP TO THE BACK APPLY SEAL STRIP...
- Page 7 2. SLIDE INTO 1. INSERT POSITION AIR SCREEN Fig. 10 — Air Screen Installation Fig. 11 — Completed Hood Assembly...
-
Page 8: Barometric Hood Assembly
OPTIONAL FIELD INSTALLED ENTHALPY SENSOR GRND HIGH BLACK BLUE GREEN WHITE BLACK 500 OHM RESISTOR VIOLET PINK OUTSIDE AIR TEMPERATURE YELLOW SENSOR ACTUATOR ORANGE ASSEMBLY WHITE DIRECT DRIVE ACTUATOR ECONOMi$ER 2 PLUG Fig. 12 — Wiring Diagram Barometric Hood Assembly The barometric hood can be assembled in vertical or horizontal configuration. - Page 9 Fig. 13 — Barometric Hood Parts Fig. 14 — Shipping Location, Vertical Units Fig. 15 — Barometric Hood Box Parts Location...
-
Page 10: Barometric Hood (Horizontal Configuration)
Fig. 16 — Barometric Hood Exploded View Fig. 17 — Installed Barometric Hood Side View and Isometric View BAROMETRIC HOOD (HORIZONTAL CONFIGURATION) NOTE: This panel is not used for horizontal return applications. Remove the screen from the provided panel and install it over the For horizontal return and field-installed economizer, install the relief opening cut in return duct. - Page 11 Unit Outside Air Hood 18 3/8" 16" 19 1/2" Return Relief 1" Duct Opening Fig. 18 — Relief Damper OUTDOOR AIR HOOD CRBARHOD001A00 RELIEF HOOD ORDERED SEPARATELY Min 19-1/2” *Blade Bracket FIELD SUPPLIED RETURN DUCT *PROVIDED W/ ECONOMIZER RELIEF DAMPER Fig.
-
Page 12: Horizontal Installation
panel. Screw panel in place and screw panel into economizer HORIZONTAL INSTALLATION in 2 places. (See Fig. 23.) These economizers are designed to work in both a vertical and 11. Assemble the outside air hood per Fig. 9-11. horizontal applications. These instructions are for a horizontal. a. - Page 13 UNIT’S LEFT SIDE PANEL WITH DUCT OPENING LEFT FRONT Bottom Panel with CORNER POST Return Duct Opening Fig. 22 — Install Bottom Panel w/ Horizontal Duct Fig. 21 — Remove unit Corner Post and Side Panel Opening OUTDOOR AIR HOOD RELIEF DAMPER Fig.
- Page 14 Table 2 — California Title 24 Regional High Limit Dry Bulb Temperature Settings REQUIRED HIGH LIMIT (ECONOMIZER OFF WHEN:) DEVICE TYPE CLIMATE ZONES DESCRIPTION 1,3,5,11-16 Outdoor Air Temperature Exceeds 75°F 2,4,10 Outdoor Air Temperature Exceeds 73°F FIXED DRY BULB 6,8,9 Outdoor Air Temperature Exceeds 71°F Outdoor Air Temperature Exceeds 69°F 1,3,5,11-16...
-
Page 15: Start-Up
START-UP Follow the procedure in Table 3 to check the EconoMi$er2 system when the unit is started. Table 3 — EconoMi$er2 Start-Up and Checkout ECONOMI$ER2 RESPONDS ECONOMI$ER2 RESPONDS STEP PROCEDURE EXPECTED RESPONSE CORRECTLY INCORRECTLY No response at all Step 2 Remove power reset actuator. - Page 16 © 2021 Carrier Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53480312-01 Printed in U.S.A. Form IIK-CRECOMZR54-04 Pg 16 7-21 Replaces: IIK-CRECOMZR54-03...