Carrier 30GTN015-035 Specifications download pdf (Page 2)

INSTALLATION IN

30GN,GT,GTN,GTR,GUN,GUR,HK,HL CHILLERS

Step 1 — Examine Package Contents —

Pack-

age includes hot gas bypass valve, solenoid pilot valve, and in-

structions. Examine each item. If any part is damaged or miss-

ing, file a claim immediately with the shipper. See Table 2 for

accessory package contents and field-supplied material.

Step 2 — Install Piping

30GN,GT,GTN,GTR,GUN,GUR040-420 UNITS — See Fig. 1.

NOTE: For 30GN,GT,GTN,GTR,GUN,GUR230-420 units,

install bypass line, bypass valve, solenoid pilot valve, and

manual shutoff in each circuit of each unit module.

Bypass Line

— Install field-supplied copper tubing between

the hot gas discharge line and the entrance to the cooler. Two

factory-sealed stubs are provided in each circuit, one on the

discharge line after the compressors and before the vertical

riser, and one on the liquid line between the expansion valve

and the cooler. See Fig. 1 and 2.

Bypass Valve

— Install the bypass valve as close to the cooler

as possible. This minimizes the amount of liquid that can be

stored in the line. The bypass valve has a

-in. ODF inlet and

outlet, and a

-in. ODM equalizer port. To ensure proper

operation, install the bypass valve in a horizontal section of the

bypass line, with the solenoid pilot valve installed directly

above the body.

Table 2 — Accessory Package Contents and Field-Supplied Material

LEGEND

HGBP —

Hot Gas Bypass

*One relay required per circuit.

†Two are needed for 040-090 and Modules 230B. Four are needed for 100,110 and

Modules 255B-315B. All other units require field-supplied filter driers (one per circuit).

**38AK/Indoor Coil only.

††38AKS 028-044 only.

Shut off all power to the unit and remove refrigerant charge

from circuit(s) using an approved refrigerant recovery

device before proceeding with installation.

ITEM 30GT040-420* 30GN040-420*

30GTN015-035

30HK,HL

38AK,38AKS,38AH/

INDOOR COIL

30GTN,GTR,

30GUN,GUR040-420

HGBP Relay, 115-v

Control Power

HN61KK912 — — — —

HGBP Relay, 230-v

Control Power

HN61KK913 — — — —

HGBP Relay,

20 vdc ckt

— HK35AB001 — — —

HGBP Relay,

24-v ckt

—— —

HN61KK324††

HN61KJ510

—

Time-Delay Relay

HN67ZA001 — — — —

Resistor, (

620,000 ohm)

30GT511259 — — — —

Filter Drier Cores†

KH29EZ050 — — KH29EZ050

Copper Tubing, Wiring,

Fittings**, Connectors**,

Filter Driers, Conduit, and

Manual Shutoff Service Valve

Field Supplied

Fig. 1 — Schematic Piping; 30GN,GT,GTN,GTR,GUN,GUR040-420

LEGEND

NOTE: Pipe circuit 2 the same as circuit 1

(as applicable). Connect the

-in. tube to

the lead compressor of the circuit.

EXV —

Electronic Expansion Valve

TXV —

Thermostatic Expansion Val

Factory Piping

Field Tube (Copper)

1 2 3 4 5 6 7 ... 15 16

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Carrier 30GTN015-035 Specifications Page 2

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