Carrier 09BY006-024 User Manual Page 1

Installation, Start-Up andService InstructionsCONTENTSPageSAFETY CONSIDERATIONS ...1GENERAL ...1INSTALLAT

CHECK VALVE — When the 09BY condenser is installedwith the condenser located above the compressor evapora-tor, it is recommended that a field-supplied

3. A high-density fiberglass (2 lb minimum density) or semi-rigid foamed insulation such as Styrofoam™ will be re-quired inside the ducts to prevent ai

Determine maximum deviation from average voltage:(AB) 243 – 239=4v(BC) 239 – 236=3v(AC) 239 – 238=1vMaximum deviation is then 4 v. To determine the pe

START-UPTo prevent personal injury, be sure wire fan guards aresecured in place over each fan discharge (or that fansare ducted) before starting the u

Table 5 — Condenser Fan PerformanceUNIT09BYAIRFLOW(Cfm)EXTERNAL STATIC PRESSURE (in. wg)0.0 0.2 0.4 0.6 0.8 1.0Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp

TO CHANGE FAN WHEEL — If a fan wheel should fail,it may be replaced as follows:1. Remove belts from fan pulley.2. Loosen locking collars on the fan be

TROUBLESHOOTINGSee Table 6 for problems and possible solutions.Table6—TroubleshootingPROBLEM POTENTIAL CAUSE SOLUTIONUnit is tripping onhigh-pressure

Copyright 1996 Carrier CorporationManufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and w

START-UP CHECKLISTA. Preliminary InformationCOMPRESSOR BEARING UNIT: MODEL NO. SERIAL NO.09BY UNIT: MODEL NO. SERIAL NO.FIELD-INSTALLED ACCESSORIESB.

Fig. 1 — 09BY Unit (008-014 Shown)2

CHECK VOLTAGE IMBALANCEIS CONDENSER MOTOR WIRED FOR CORRECT VOLTAGE? (Y/N)LINE-TO-LINE VOLTS: AB VACVBCV(AB + AC + BC)/3 = AVERAGE VOLTAGE =VMAXIMUM D

LEGENDRefrigerant ConnectionField-Supplied Refrigerant Piping*Field-Supplied Floor Stand (Height to Match Wall Opening).Fig. 2 — Mounting Applications

09BY DIMENSIONS (English)DIMENSION006(Ft-in.)008(Ft-in.)012(Ft-in.)014(Ft-in.)016,024(Ft-in.)A 2-111⁄23- 613⁄163- 613⁄163- 613⁄165- 0B 1- 711⁄161-115⁄

NOTES:1. Operational clearances are 0 in. on all sides of the unit.2. Service clearances are 0 in. (minimum) on the top, rear, and frontof the unit. A

Table 1 — Condenser Unit ApplicationUNIT50BZ09BY006 008 012 014 016 024006 S008 S012 OS014 OS016 OS024 OSLEGENDS—StandardO—OptionalNOTE: Contact your

Step 2 — Rig and Place UnitRIGGING — The 09BY units are mounted on skids. Leavethe unit on the skid until it is in the final position. While onthe skid

Step 3 — Install Accessory Low-Ambient Kit orInlet Filter Kit (If Required) —If the unit will be op-erated with inlet air to the condenser below 50 F,

LIQUID LIFT — Amount of liquid lift available before re-frigerant flashing occurs depends on amount of liquid sub-cooling in the system.All 09BY conden