Carrier AquaSnap 30RA Bedienungsanleitung

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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. 04-53300016-01 Printed in U.S.A. Form 30RA-17SIPg 11-08Replaces: 30RA-12SI

Book 2

Tab5c

Installation Instructions

CONTENTS

Page

SAFETY CONSIDERATIONS. . . . . . . . . . . . . . . . . . . . . . 1

INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-24

Step 1 — Rig and Place the Unit. . . . . . . . . . . . . . . . . . 1

•RIGGING

•PLACING UNIT

•MOUNTING UNIT

Step 2 — Check Compressor Mounting . . . . . . . . . . 3

Step 3 — Cooler Fluid and Drain Piping

Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

•ALL UNITS

•UNITS WITH FACTORY-INSTALLED

HYDRONIC PACKAGES

Step 4 — Fill the Chilled Water Loop. . . . . . . . . . . . 12

•AIR SEPARATION

•WATER SYSTEM CLEANING

•FILLING THE SYSTEM

•PREPARATION FOR YEAR-ROUND OPERATION

•FREEZE PROTECTION

•PREPARATION FOR WINTER SHUTDOWN

Step 5 — Make Electrical Connections . . . . . . . . . . 18

•POWER SUPPLY

•POWER WIRING

•FIELD CONNECTIONS

Step 6 — Install Accessories. . . . . . . . . . . . . . . . . . . . 24

•ELECTRICAL

Step 7 — Check Refrigerant Circuit . . . . . . . . . . . . . 24

•LEAK TESTING

•DEHYDRATION

•REFRIGERANT CHARGE

APPENDIX A (Pressure Drop Curves,

30RA010-055) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-27

SAFETY CONSIDERATIONS

Installing, starting up, and servicing air-conditioning equip-

ment can be hazardous due to system pressures, electrical

components, and equipment location (roofs, elevated struc-

tures, etc.).

Only trained, qualified installers and service mechanics

should install, start up, and service this equipment (Fig. 1).

Untrained personnel can perform basic maintenance func-

tions such as cleaning coils. All other operations should be

performed by trained service personnel.

When working on the equipment, observe precautions in the

literature and on tags, stickers, and labels attached to the

equipment.

•Follow all safety codes.

•Wear safety glasses and work gloves.

•Keep quenching cloth and fire extinguisher nearby when

brazing.

•Use care in handling, rigging, and setting bulky

equipment.

INSTALLATION

Step 1 — Rig and Place the Unit

RIGGING — Preferred method for rigging is with spreader

bars from above the unit. Use hooks in lifting holes. Rig at a

single point with 4 cables or use spreader bars. All panels must

be in place when rigging. See rigging label on unit for details

concerning shipping weights, distance between lifting holes,

center of gravity, and lifting ring dimensions. See Tables 1A

and 1B for physical data. Refer to Fig. 2 for unit weights.

See Fig. 3 for rigging label.

If overhead rigging is not possible, place chiller on skid or

pad for rolling or dragging. When rolling, use a minimum of

3 rollers. When dragging, pull the pad. Do not apply force to

the unit. When in final position, raise from above to lift unit

off pad.

PLACING UNIT — There must be at least 3 ft (0.9 m) for

service and for unrestricted airflow on all non-coil sides of unit,

and a minimum of 3.5 ft (1.1 m) clear air space on coil sides.

For multiple units, allow 8 ft (2.48 m) separation between units

for airflow and service.

MOUNTING UNIT — When unit is in proper location, use

of mounting holes in base rails is recommended for securing

unit to supporting structure, or for mounting unit on vibration

isolators if required. See Fig. 3. Fasteners for mounting unit are

field supplied. Be sure unit is level to within

1

/

8

in. per foot for

proper oil return to compressor.

Before performing service or maintenance operations on

unit, turn off main power switch to unit. Electrical shock

could cause personal injury.

All panels must be in place when rigging. Damage to unit

could result.

AQUASNAP

®

30RA010-055

Liquid Chillers

with COMFORTLINK

TM

Controls

Fig. 1 — Typical 30RA Unit (010-018 Shown)

Produktspezifikationen