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Table 4 — Relief Devices
STORAGE
TANK SIZE
RELIEF VALVE
OUTLET SIZE
QUANTITY
REQUIRED FACTOR
lb air
min
Kg air
min
28
1 in. NPT
Female Connector
2 31.4 14.2
52
1 in. NPT
Female Connector
2 52.3 23.7
LEGEND
Ground
Field Wiring
Factory Wiring
Contactor Term.
Overload Term.
Pumpdown Term.
Pumpdown Comp’r.
Term.
Fig. 7 — 19XB Pumpout System Wiring Schematic
LEGEND
C—Contactor
Fu — Fuse, 3 Amps
HP — High-Pressure Cutout
L—Compressor Motor Voltage Line (3-phase)
LL — Low-Line Control Voltage (single-phase)
OL — Compressor Overload
T’stat — Internal Thermostat
Compressor Terminal
Contactor Terminal
Overload Terminal
Pumpout Unit Terminal
*Bimetal thermal protector imbedded in motor winding.
Fig. 8 — Pumpout Unit Wiring Schematic
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