Table 4 Ð Relief Devices

STORAGE

RELIEF VALVE

 

REQUIRED FACTOR

TANK SIZE

OUTLET SIZE

QUANTITY

lb air

Kg air

 

min

min

 

 

 

28

1 in. NPT

2

31.4

14.2

Female Connector

 

 

 

 

52

1 in. NPT

2

52.3

23.7

Female Connector

 

 

 

 

LEGEND

Ground

Field Wiring

Factory Wiring

Contactor Term.

Overload Term.

Pumpdown Term.

Pumpdown Comp'r.

Term.

Fig. 7 Ð 19XB Pumpout System Wiring Schematic

LEGEND

CÐ Contactor

Fu

Ð

Fuse, 3 Amps

HP

Ð

High-Pressure Cutout

LÐ Compressor Motor Voltage Line (3-phase)

LL Ð Low-Line Control Voltage (single-phase)

OL

Ð

Compressor Overload

T'stat

Ð

Internal Thermostat

*Bimetal thermal protector imbedded in motor winding.

Compressor Terminal

Contactor Terminal

Overload Terminal

Pumpout Unit Terminal

Fig. 8 Ð Pumpout Unit Wiring Schematic

10

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Image 10
Carrier 19XB specifications Relief Devices