Specifications

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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 534-236 Printed in U.S.A. Form 42B-1SI Pg 1 2-07 Replaces: 42BH-5SI

Book 3

Ta b 7 a

Installation, Start-Up and

Service Instructions

SAFETY CONSIDERATIONS

Air-handling equipment is designed to provide safe and reli-

able service when operated within design specifications. To

avoid injury to personnel and damage to property or equip-

ment, use good judgement and follow safe practices as out-

lined below when installing and operating this equipment.

INTRODUCTION

This document contains general installation instructions for

the 42BHC,BVC fan coil units. Refer to the unit-wiring

diagram installed on the blower housing or specific manufac-

turer literature for any other type of factory-mounted controls.

See drawings for unit configurations, dimensions, clearances,

and pipe connections. Refer to unit wiring label for all electrical

connections. Follow NEC (National Electrical Code) and local

codes.

INSTALLATION

Step 1 — Unpack and Inspect Unit —

Remove ship-

ping wraps from unit and check shipment against shipping list.

Check for concealed shipping damage. If shipment is damaged

or incomplete, file claim with transportation company and

advise Carrier immediately.

Step 2 — Protect Unit From Damage — To main-

tain warranty, protect unit against adverse weather conditions,

theft or vandalism on the jobsite.

The equipment covered in this manual IS NOT suitable for

outdoor installations. The equipment should never be stored or

installed where it may be subjected to a hostile environment

such as rain, snow, or extreme temperatures.

Step 3 — Prepare Jobsite for Unit Installa-

tion — To save time and to reduce the possibility of costly

errors, set up a complete sample installation in a typical room

at jobsite. Check all critical dimensions such as pipe, wire and

duct connection requirements. Refer to job drawings and prod-

uct dimension drawings as required. Instruct all trades in their

part of the installation. For unit component identification, refer

to Fig. 1. For unit dimensions, refer to Fig. 2 for 42BHC units

and Fig. 3 for 42BVC units.

NEVER REACH INTO a unit while the fan is running.

LOCK OPEN AND TAG the fan motor power disconnect

switch before working on unit. In addition, remove the

fuses and take them with you after noting this on tag. Fail-

ure to do so may result in electrical shock or personal injury.

ALL POWER MUST BE DISCONNECTED before any

installation or service should be attempted. More than one

power source may be supplied to a unit. Power to remote

mounted control devices may not be supplied through the

unit.

CHECK THE WEIGHT of assembly and components to

be sure that rigging equipment can handle them safely.

NEVER PRESSURIZE a coil with a non-liquid for leak

testing. A dangerous burst may occur.

DO NOT STEAM CLEAN coils until you are sure all per-

sonnel are clear of the area.

AIRSTREAM™

42BHC,BVC06-40

System Fan Coil Air Conditioners

Fig. 1 — Component Identification (42BHC Units Shown)

Summary of content (8 pages)

PAGE 1
AIRSTREAM™ 42BHC,BVC06-40 System Fan Coil Air Conditioners Installation, Start-Up and Service Instructions SAFETY CONSIDERATIONS Air-handling equipment is designed to provide safe and reliable service when operated within design specifications. To avoid injury to personnel and damage to property or equipment, use good judgement and follow safe practices as outlined below when installing and operating this equipment.
PAGE 2
UNIT 42BHC Fan Size Depth Width Height 06 08 10 12 16 20 30 40 9x 4 9x 6 10 x 4 10 x 7 11 x 10 12 x 9 12 x 12 15 x 12 363/16 363/16 373/4 373/4 3715/16 403/8 403/8 439/16 2811/16 2811/16 371/16 371/16 471/16 481/16 481/16 621/16 181/2 181/2 201/4 201/4 201/4 223/4 31 31 A 7 1 /8 89/16 7 1 /2 915/16 135/16 121/2 157/8 167/16 DIMENSIONS (in.
PAGE 3
DIMENSIONS (in.
PAGE 4
factor for any change in operating conditions. The A dimension must equal the system TSP plus 1-in. wg. The B dimension is one half of A, and C is the total of A + B + pipe diameter. The unit drain pan is equipped with a secondary connection that must be piped to an open-site drain. This will prevent overflow and possible building damage if the primary drain is blocked. The secondary drain connection can be capped if potential overflow will not damage the building or unit.
PAGE 5
2. Clean unit thoroughly. Remove dirt and debris from unit, especially drain pan, drain line, motor and fan. Pour water into drain pan to check that drain operates properly. 3. Rotate fan wheel by hand to be sure it is free and does not rub housing. The 42BHC and 42BVC belt drives are factory set at the speed required for the design specifications specified when ordered. These drives may be adjusted to achieve different speed by qualified personnel during air system balancing.
PAGE 6
To Clean Coil 1. Brush between coil fins with a stiff wire brush. Do not bend fins. Follow up by cleaning with a vacuum cleaner. If coil is cleaned with an air hose, take care not to drive dirt and dust into other components. 2. Install clean air filters. To Check Drain — Check drain pan, drain line and trap at start of each cooling season. A standard type pipe cleaner for 3/ -in. ID pipe can ensure removal of obstructions so that con4 densate is carried away.
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Copyright 2007 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 534-236 Printed in U.S.A.