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50JB-1SB
50JB034, 038, 044, 048, 054, 064
HORIZONTAL SUPPLYAND RETURN
SINGLE-PACKAGE COOLING UNITS
EXTENDED CHASSIS
CONSTANT VOLUME/VARIABLE VOLUME
PRODUCT INTEGRATED CONTROLS
CARRIER COMFORT NETWORK COMPATIBLE
— PERFORMANCE DATA
— TYPICAL FIELD WIRING
— CERTIFIED DIMENSION PRINTS
— CERTIFIED ROOF CURB
DIMENSION PRINTS
R 1997 Carrier Corporation • Syracuse, New York 13221
Form 50JB-1SB New Printed in U.S.A. 12-97 Catalog No. 515-074
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50JB034, 038, 044, 048, 054, 064 Date: Supersedes: SINGLE-PACKAGE COOLING UNITS, Rev.: 50JB EXTENDED CHASSIS PRODUCT INTEGRATED CONTROLS JOB NAME: LOCATION: BUYER: BUYER P.O. # CARRIER # UNIT NUMBER: MODEL NUMBER: PERFORMANCE DATACERTIFIED BY: DATE: DESCRIPTION 50JB units are completely packaged, pre-wired and precharged cooling only units with PRODUCT INTEGRATED CONTROLS. 50JB units are built for horizontal supply and return applications. Their waterproof construction makes themideallysuitedfor
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UNIT FEATURES Large hinged access doors. High efficiency indoor motors (supply and exhaust). Standard one-year product warranty. Tuff-Skin Rx anti-microbial insulation. Standard unit as factory-assembled is listed by ETL and/or ETL, Sloped condensate pan. Canada. Manual adjustable outside air intake for up to 25% outside air. Units are rated in accordance withARI Standard 360. Cabinet made of prepainted galvanized steel. 115-volt and 24-volt control circuit. Evaporator-fan motors are protected b
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TYPICAL FIELD WIRING FIELD POWER WIRING CONNECTIONS 21 11 22 12 DISCONNECT PER NEC 23 13 EQUIP GND FIELD CONTROL WIRING TYPICAL SPACE TEMPERATURE SENSOR WIRING Field Wiring CCN COMMUNICATIONS BUS WIRING TO OPTIONAL SPACE SENSOR RJ11 CONNECTOR LEGEND CCN — Carrier Comfort Network COM — Communications GND — Ground SW — Switch T— Terminal TB — Terminal Block TH — Thermostat, Heating *Constant Volume applications only. 4
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50JB034,038 (EXTENDED CHASSIS) 5 CUTALONG DOTTED LINE CUTALONG DOTTED LINE ---------------------------------------------------------------------------------------- CERTIFIED DIMENSION PRINT NOTES: 1. Dimensions in [ ] are in millimeters. 2. CenterofGravityincludeseconomizer.Unitweightdoes not include economizer or heating coil. 3. Unit clearances: WEIGHT A UNIT Top — Do not restrict condenser fans SIZE lb kg mm ft-in. Control Box End — 68-09 Sides — 68-09 15 50JB034 6470 2934 4418 14-5 ⁄16 Econo
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50JB044, 048 (EXTENDED CHASSIS) 6 CERTIFIED DIMENSION PRINT NOTES: WEIGHT A UNIT 1. Dimensions in [ ] are in millimeters. SIZE lb kg mm ft-in. 2. Center of Gravity includes economizer. Unit weight does not include economizer 1 50JB044 7120 3229 5211 17-1 ⁄8 or heating coil. 1 3. Unit clearances: 50JB048 7160 3247 5239 17-2 ⁄4 Top — Do not restrict condenser fans Control Box End — 68-09 Sides — 68-09 Economizer End — 68-09 (except power exhaust units 108-09) For smaller service and operating clea
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50JB054,064 (EXTENDED CHASSIS) 7 CUTALONG DOTTED LINE CUTALONG DOTTED LINE ---------------------------------------------------------------------------------------- CERTIFIED DIMENSION PRINT NOTES: WEIGHT A B C D E F UNIT 1. Dimensions in [ ] are in millimeters. SIZE lb kg mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. 2. Center of Gravity includes economizer. Unit weight does not include economizer or heating coil. 1 3 11 25 13 7 50JB054 8800 3990 2959 9-8 ⁄2 6940 22-9 ⁄4 6393 20-11
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ROOF CURB — 50JB034, 038 (EXTENDED CHASSIS) 8 CERTIFIED ROOF CURB DIMENSION PRINT
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ROOF CURB — 50JB044, 048 (EXTENDED CHASSIS) 9 CUTALONG DOTTED LINE CUTALONG DOTTED LINE ---------------------------------------------------------------------------------------- CERTIFIED ROOF CURB DIMENSION PRINT
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ROOF CURB — 50JB054,064 (EXTENDED CHASSIS) 10 CERTIFIED ROOF CURB DIMENSION PRINT
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ACCESSORY ROOF CURB — 50JB054, 064 11 CUTALONG DOTTED LINE CUTALONG DOTTED LINE ---------------------------------------------------------------------------------------- CERTIFIED ACCESSORY ROOF CURB DIMENSION PRINT
