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Carrier POSITIVE PRESSURE STORAGE SYSTEM 19XB, Инструкция по установке и эксплуатации

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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

10

Содержание POSITIVE PRESSURE STORAGE SYSTEM 19XB

Страница 1: ...FLUSH EYES with water and consult a physician NEVER APPLY an open flame or live steam to a refrigerant cyl inder Dangerous overpressure can result When necessary to heat refrigerant use only warm 110...

Страница 2: ...a free standing unit that can be used with chillers that have an existing storage tank or with chillers that have isolation valves that permit built in refrigerant storage The 19XB PPS systems are fac...

Страница 3: ...u ft LEGEND LRA Locked Rotor Amps RLA Rated Load Amps NOTES 1 All storage vessels are 300 psig 2068 kPa designs per the ASME American Society of Mechanical Engineers Boiler Pressure Vessel Code Sectio...

Страница 4: ...CTIONS FIELD PIPING REFRIGERANT INLET VALVE VENT VALVE CONTROL BOX WIRING BY CONTRACTOR COMPRESSOR VALVES VALVES 19EA PUMPOUT UNIT 19EA CONTROL BOX INTERIOR 19EA PUMPOUT UNITS Fig 1 19XB Positive Pres...

Страница 5: ...lg 4 required Fig 2 19EA Pumpout Unit Typical Chiller Mount Fig 3 Pumpout Unit Contact Surfaces and Dimensions ELECTRICAL CONNECTION OPTION LIST TRADE SIZE QTY LOCATION 1 2 1 TOP 3 4 1 BOTTOM 1 1 MIDD...

Страница 6: ...udes the compressor condenser control box and the oil separator NOTES 1 The motor is hermetic with thermal protection 2 The control box is mounted and wired with a fuse on off switch according to NEMA...

Страница 7: ...e pumpout storage tank is factory equipped with relief de vices Refer to Fig 5 and Table 2 for size and location of the relief devices Vent the relief devices to the outdoors in ac cordance with ANSI...

Страница 8: ...R S T 0428 3175 2997 1448 730 365 945 1499 1121 1118 849 965 89 1442 505 491 1111 1530 0452 4553 4382 1546 826 413 1027 2191 1219 1216 948 1064 86 2172 528 497 1118 1537 NOTES 1 Denotes center of gra...

Страница 9: ...ng the reading adjusting and servicing of the equipment If the distance from the chiller to the pumpout unit is over 50 ft then 7 8 in OD tubing min must be used Provisions should be made for adjustme...

Страница 10: ...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 Li...

Страница 11: ...t capacity refer to Table 2 OPERATION Overview Transferring refrigerant from one vessel to another is accomplished by using either gravity or pressure differential A difference in elevation between 2...

Страница 12: ...isolated chillers may place severe stress on external pip ing if springs on the chiller have not been blocked in both up and down directions 3 Open the refrigerant inlet valve Fig 9 on the pumpout com...

Страница 13: ...out condenser water i Run the pumpout compressor until the storage tank pres sure reaches 5 psig 34 kPa 18 in Hg 41 kPa absolute j Turn off the pumpout compressor k Close valves 1a 1b 2 5 and 6 VALVE...

Страница 14: ...tep 3e un til the chiller pressure is reduced to 18 in Hg 41 kPa absolute CHILLERS WITH ISOLATION VALVES The valves re ferred to in the following instructions are shown in Fig 9 and 11 Valve 7 remains...

Страница 15: ...e up 5 Leak test to ensure chiller vessel integrity 6 Open valve 5 fully VALVE 1a 1b 2 3 4 5 8 11 CONDITION C C C C 7 Close valves 1a 1b 3 and 5 8 Open chiller isolation valve 11 and any other isolati...

Страница 16: ...ine model number and serial number name quantity and part number of the part required delivery address and method of shipment TROUBLESHOOTING Information on troubleshooting for the PPS is included in...

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