Carrier POSITIVE PRESSURE STORAGE SYSTEM 19XB Specifications download pdf (Page 10)

10

Table 4 — Relief Devices

STORAGE

TANK SIZE

cu ft (cu m)

RELIEF VALVE

OUTLET SIZE

QUANTITY

REQUIRED “C” FACTOR

lb air

min

Kg air

min

28 (0.8)

1 in. NPT

Female Connector

2 31.4 14.2

52 (1.5)

1 in. NPT

Female Connector

2 52.3 23.7

LOW PRESSURE CONTROL

NC OPEN < 7 psia (-15.7 in. HG)

CLOSE > 9 psia (-11.6 in. HG)

HIGH PRESSURE

SAFETY

NC OPEN > 185psig

CONTROL POWER

TRANSFORMER

XFMR-1

69 VA

PUMP OUT

COMPRESSOR

CRANKCASE HEATER

240-600v

27-40 WATT

COPELAND PN 081-0031-03

WHT

RED

ORN

HIGH LEVEL

GAGE ALARM

(NC-OPEN AT 90%

STORAGE TANK LEVEL)

WHT

X2

C

5

4

X2

6

X2

1

X1

FU3

0.5A

H1

H4

FU1

FU2

0.25A

0.25A

GND

2

2

3

55-1

OFF

AUTO ON

2

L2

L1

8

7

HTR-1

MTR-1

2 CL

2 CL

2 CL

C

C

C

LOW PRESSURE CONTROL

NC OPEN < 7 psia {-15.7 in. HG}

CLOSE > 9 psia {-11.6 in. HG}

HIGH PRESSURE

SAFETY

NC OPEN > 185psig

CONTROL POWER

TRANSFORMER

XFMR-1

69 VA

PUMP OUT

COMPRESSOR

CRANKCASE HEATER

240-600v

27-40 WATT

X2

C

5

4

X2

6

X2

1

X1

FU3

0.5A

H1

H4

FU1

FU2

0.25A

0.25A

GND

2

2

3

55-1

OFF

AUTO ON

2

L2

L1

8

7

HTR-1

MTR-1

2 CL

2 CL

2 CL

C

C

C

Fig. 7 — 19XR Pumpout System Wiring Schematic

Fig. 8 — Pumpout Unit Wiring Schematic

LEGEND

C—Contactor

FU — Fuse

GND — Ground

HTR — Heater

MTR — Motor

NC — Normally Closed

OL — Overload

SS — Selector Switch

LEGEND

C—Contactor

FU — Fuse

GND — Ground

HTR — Heater

MTR — Motor

NC — Normally Closed

OL — Overload

SS — Selector Switch

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