Table of Contents
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1.0 General .......................................................................1-2
1.1 Hazard Labels and Notices ........................................ 1
1.2 General Information .................................................... 1
1.3 Warranty ....................................................................... 2
2.0 Uncrating ....................................................................... 2
3.0 Dimensions ................................................................... 2
4.0 Suspending and Mounting ........................................2-4
5.0 Mechanical ...............................................................4-10
1.0 General
Model RBL,
Indoor/Outdoor
Blower Cabinet,
5000 - 15000 CFM
Table of Contents
1.1 Hazard Labels and Notices
There are warning labels on the blower cabinet and throughout this manual. For your
safety, read the definitions below and comply with all boxes labeled CAUTION, WARN-
ING, and DANGER during installation, operation, maintenance, and service of this unit.
Definitions of Hazard Intensity Labels in this Manual
HAZARD INTENSITY LEVELS of Warnings in this Manual
1. DANGER: Failure to comply will result in severe personal injury or death
and/or property damage.
2. WARNING: Failure to comply could result in severe personal injury or death
and/or property damage.
3. CAUTION: Failure to comply could result in minor personal injury and/or
property damage.
WARNING: Improper installation, adjustment, alteration, service,
or maintenance can cause property damage, injury or death.
Read the installation, operation, and maintenance instructions
thoroughly before installing or servicing this equipment.
1.2 General Information
A Model RBL blower cabinet is engineered for use with Reznor
design considerations do not permit the use of a packaged system. The cabinet is
weatherized with an integral curb cap base for outdoor installation, but may also be
installed indoors. The blower cabinet has standard horizontal inlet and outlet air open-
ings equipped with duct flanges and may have an optional bottom air inlet. Model RBL
is available with a downturn plenum which provides a bottom outlet for supply air.
This booklet includes installation and operation information. Installation should be
done by a qualified agency in accordance with the instructions in this manual and in
compliance with all codes and requirements of authorities having jurisdiction. Before
beginning installation, review the instructions in this booklet and become familiar with
the required procedures.
Obsoletes Form I-RBL/RBA/RBHA
INSTALLATION / OPERATION
Applies to:
Blower Cabinet Model RBL
5.1 Unit Inlet Air ................................................................. 4
5.2 Duct Connections ....................................................... 8
5.3 Blowers, Belts and Drives .......................................... 9
5.3 Blowers, Belts, and Drives (cont'd) ......................... 10
6.0 Electrical Supply and Connections...................... 10-11
7.0 Commissioning and Start-Up .................................... 11
INDEX ................................................................................. 12
INSTALLATION RECORD ................................................. 12
Form I-RBL (Version A)
CQS
CQS
duct furnaces when
®
Form I-RBL, P/N163219R2, Page 1
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Summary of Contents for Reznor RBL
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Page 1: Table Of Contents
The blower cabinet has standard horizontal inlet and outlet air open- ings equipped with duct flanges and may have an optional bottom air inlet. Model RBL is available with a downturn plenum which provides a bottom outlet for supply air. -
Page 2: General
Air Duct 1/2-13 Nut Model RBL blower cabinet is equipped with a load bearing curb cap which forms an Mounting Outdoor integral part of the unit. This curb cap is welded at all joints and has a "skirt" which fits Cabinet over a roof curb to provide a weatherproof installation. - Page 3 1-5/8 (41) 1-5/8 (41) Opening Dimensions - inches (mm) Return and Supply Duct Dimensions and 1-5/8 1-5/8 Locations are in relation to Reznor Optional (41) (41) Roof Curbs.) 1-5/8" (41mm) is measurement from duct opening to inside edge of roof curb.
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Page 4: Mechanical
Roof Curb Weld, bolt, or lag screw curb to deck structure. Model RBL without Optional Downturn Model RBL with Optional Downturn Plenum Cabinet Plenum - Roof Curb Option CJ1 (Option AQ5 or AQ8) - Roof Curb Option CJ2 FIGURE 5. - Page 5 NOTE: If the unit was manufactured prior to 9/91; Permanent 2" Less than 20% 64% to 67% filter sizes and arrangements are different; refer to Parts Replacement Form P-RG/RP/RBL or contact Pleated Disposable 2" 30% to 35% 90% to 93% your distributor.
- Page 6 8) Damper Motor Transformer Bottom Return Air 3 4 5 6 NOTE: The illustrations in FIGURES 9 & 10 are intended to show location only of various air control accessories and do not represent suggested combinations of accessories. Form I-RBL, P/N163219R2, Page 6...
- Page 7 A minimum gap High Decreasing Span of Linkage to provides the greatest sensitivity. The wider the floating Increasing Diaphragm contact gap the lower the sensitivity. Switching action in the pressure null switch Form I-RBL, P/N163219R2, Page 7...
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Page 8: Duct Connections
Form I-OPT-EC shipped allow time for evaporation. with the evaporative The evaporative cooling module for a Model RBL cabinet is factory assembled but cooling module. Follow is not attached to the blower cabinet at the factory. It is shipped separately for field the instructions to install, attachment to the system blower cabinet. -
Page 9: Blowers, Belts And Drives
6. Check motor amps with an amp meter. The maximum driven shaft until belts are free of grooves. For easiest motor amp rating on the nameplate must not be adjustment, remove the belts from the grooves. exceeded. Form I-RBL, P/N163219R2, Page 9... -
Page 10: Blowers, Belts, And Drives (Cont'd)
Optional shipped-separate controls could include system switches, potentiometer, a pressure null switch, or a combination of these controls. Install these according to the manufac- turer's instructions packed with the cabinet. Form I-RBL, P/N163219R2, Page 10... -
Page 11: Commissioning And Start-Up
FIGURE 16 - Location of Electrical Connections and 18 19 1415 16 Standard and Optional Controls (Illustration is not an RBL cabinet but controls are in same location in a Model RBL.) 1) Line Voltage Connection (field) 12) Blower Motor (Drive on opposite... -
Page 12: Index
BUILDING OWNER OR MAINTENANCE PERSONNEL: For service or repair • Contact the installer listed above. • If you need additional assistance, contact the Reznor Distributor listed above. • For more information, contact your Reznor Representative by calling 800-695-1901. Reznor, LLC 150 McKinley Avenue Mercer, PA 16137 www.ReznorHVAC.com: 1-800-695-1901...
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