Carrier AIRSTREAM 42BHE Installation, Start-up And Service Instructions Manual

Also see for AIRSTREAM 42BHE: Product data

Contents

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Catalog No. 04-53420006-01 Printed in U.S.A. Form 42B-3SI Pg 1 2-11 Replaces: 42B-2SIInstallation, Start-Up and Service InstructionsCONTENTSPageSAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 1INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6Step 1 — Unpack and Inspect Unit . . . . . . . . . . . . . . . 2Step 2 — Protect Unit from Damage . . . . . . . . . . . . . . 2Step 3 — Prepare Jobsite . . . . . . . . . . . . . . . . . . . . . . . . 2Step 4 — Prepare Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Step 5 — Position Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Step 6 — Make Piping Connections . . . . . . . . . . . . . . 4Step 7 — Make Electrical Connections . . . . . . . . . . . 5Step 8 — Make Duct Connections . . . . . . . . . . . . . . . . 6Step 9 — Install Mixing Box . . . . . . . . . . . . . . . . . . . . . . 6Step 10 — Make Final Preparations . . . . . . . . . . . . . . 6START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Air System Balancing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7,8Clean Coils. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Check Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Fan and Motor Bearings. . . . . . . . . . . . . . . . . . . . . . . . . . 7Align Pulley . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Adjust Fan Belt Tension . . . . . . . . . . . . . . . . . . . . . . . . . . 7Clean Fan Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Clean or Replace Air Filters . . . . . . . . . . . . . . . . . . . . . . 7Recommended Maintenance . . . . . . . . . . . . . . . . . . . 8TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Excessive Condensation on Fan Coil Unit Parts. . 8Motor Overload . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8START-UP CHECKLIST . . . . . . . . . . . . . . . . . . . . . . CL-1SAFETY CONSIDERATIONSAir-handling equipment is designed to provide safe andreliable service when operated within design specifications. Toavoid injury to personnel and damage to property or equip-ment, use good judgment and follow safe practices as outlinedbelow when installing and operating this equipment.INTRODUCTIONThe following contains general installation instructions forthe 42BHE,BVE fan coil units. (See Fig. 1.) Refer to the unit-wiring diagram installed on the blower housing or specificmanufacturer literature for any other type of factory-mountedcontrols.DANGERNEVER REACH INTO a unit while the fan is running.LOCK OPEN AND TAG the fan motor power disconnectswitch before working on unit. In addition, remove thefuses and take them with you after noting this on tag.DISCONNECT ALL POWER before attempting anyinstallation or service. More than one power source may besupplied to a unit. Power to remote mounted controldevices may not be supplied through the unit.CHECK THE WEIGHT of assembly and components tobe sure that rigging equipment can handle them safely.NEVER PRESSURIZE a coil with a non-liquid for leaktesting. A dangerous burst may occur.DO NOT STEAM CLEAN coils until you are sure all per-sonnel are clear of the area.Failure to follow these warnings will result in severe per-sonal injury or death.ISOLATORS(FIELD FURNISHED AND INSTALLED)WASHER ANDDOUBLE NUT(FIELD FURNISHEDAND INSTALLED)Fig. 1 — Component Identification (42BHE Units Shown)A42-4258AIRSTREAM™42BHE,BVE06-40System Fan Coil Air Conditioners