Carrier 30GTN015-035 installation instructions Contents, Safety Considerations

30GTN015-035 Reciprocating Liquid Chillers with ComfortLink™ Controls 50/60 Hz

Installation Instructions

CONTENTS

Page

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

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-11

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

•PREPARATION FOR YEAR-ROUND OPERATION

•PREPARATION FOR WINTER SHUTDOWN

Step 4 — Make Electrical Connections . . . . . . . . . . . 7

•POWER SUPPLY

•POWER WIRING

Step 5 — Install Accessories . . . . . . . . . . . . . . . . . . . . 11

•ELECTRICAL

•HOT GAS BYPASS

Step 6 — Refrigerant Circuit. . . . . . . . . . . . . . . . . . . . . 11

•LEAK TESTING

•DEHYDRATION

•REFRIGERANT CHARGE

SAFETY CONSIDERATIONS

Installing, starting up, and servicing air-conditioning equip- ment can be hazardous due to system pressures, electrical com- ponents, and equipment location (roofs, elevated structures, 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 per- formed 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.

•See Tables 1A and 1B for Physical Data.

ELECTRIC SHOCK HAZARD

Open all remote disconnects before servicing this equipment.

Fig. 1 — Model 30GTN (020 Shown)

INSTALLATION

Step 1 — Rig and Place the Unit

RIGGING — Preferred method is with spreader bars from above the unit. Use 2-in. (50 mm) OD pipe or hooks in lifting holes. Rig with 4 cables and spreader bars. All panels must be in place when rigging. See rigging label on unit for details con- cerning shipping weights, distance between lifting holes, center of gravity, and spreader bar dimensions. See Fig. 2.

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.

All panels must be in place when rigging.

PLACING UNIT — There must be at least 4 ft (1.2 m) for service and for unrestricted airflow on all sides of unit, and a minimum of 8 ft (2.4 m) clear air space above unit. Provide ample room for servicing cooler. For cooler removal see clear- ance requirements in Fig. 3-5. For multiple units, allow 8 ft (2.4 m) separation between units for airflow and service.

If unit is to be used in an area with high solar radiation, mounted position should be such that control box is not ex- posed to direct solar radiation. Exposure to direct solar radia- tion could affect the temperature switch controlling cooler heaters. See Table 2.

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

Book	2	PC 903	Catalog No. 563-068	Printed in U.S.A.	Form 30GTN-10SI	Pg 1	1-00	Replaces: New
Tab	5c