Carrier POSITIVE PRESSURE STORAGE SYSTEM 19XB Specifications download pdf (Page 3)

work. The 19XR system conserves this refrigerant and pre-

vents the release of excessive amounts of refrigerant into the

atmosphere. The proper use of this equipment minimizes the

loss of HFCs.

The 19XR PPS system shown in Fig. 1 consists of a pump-

out unit mounted on a storage tank. The pumpout unit is

offered as a free-standing unit that can be used with chillers

that have an existing storage tank or with chillers that have iso-

lation valves that permit built-in refrigerant storage.

The 19XR PPS systems are factory tested and certified to

the American Society of Mechanical Engineers (ASME) pres-

sure vessel code. The tanks are constructed of certified steel

and are pressure rated at 185 psig (1276 kPa). The PPS storage

tank is equipped with dual relief valves for proper venting per

ASHRAE 15 (American Society of Heating, Refrigeration, and

Air Conditioning Engineers) guidelines. An automatic level

switch is prewired to the control circuit to ensure proper stor-

age levels.

The 19XR pumpout unit is a complete, hermetic, compact

unit that consists of:

• a hermetic reciprocating compressor with a direct-drive

motor

• a water-cooled refrigerant condenser

• an oil separator

• suction and discharge valves to control refrigerant flow

• prewired safety and control devices.

INSTALLATION

Complete Pre-Installation Checks

IDENTIFY UNIT — Identify the assembly number (Table 1)

printed on the pumpout unit and storage tank nameplates.

Check this information against the job requirements. Fig. 1

shows the PPS system and its major components. Refer to

Tables 2 and 3 for physical data.

INSPECT SHIPMENT — Inspect unit for damage before

removing unit from shipping conveyance. If unit appears dam-

aged, it should be inspected by a shipping inspector before

removal. File a claim with the shipping company if shipment is

damaged or incomplete. The manufacturer is not responsible

for damage incurred during transit.

Check all components. Notify the supplier immediately if

any item is missing. To prevent loss or damage, leave all parts

in their original package until they are needed.

Mount the Pumpout Unit — The pumpout unit, if

purchased separately, may be mounted directly on the chiller or

it may be floor mounted.

MOUNTING ON THE CHILLER — See instructions pro-

vided with the chiller for mounting the pumpout unit. A typical

chiller mount is shown in Fig. 2.

FLOOR MOUNTING — Select a ventilated and accessible

area, free of traffic or other hazards. Remove and discard the

4 angle supports at the base of the pumpout unit and bolt the

unit to the floor through the holes at the base of the pumpout

unit. Special isolation is unnecessary. Contact surface and

dimensions for the pumpout unit are given in Fig. 3.

Table 1 — Positive Pressure System Assembly Numbers (R-134a)

LEGEND

NOTES:

1. All storage vessels are 185 psig (1276 kPa) designs per the ASME (Ameri-

can Society of Mechanical Engineers) Boiler Pressure Vessel Code, Sec-

tion VIII Division 1.

2. All units above are shipped with a 15 psig (103 kPa) nitrogen charge.

3. Nominal horsepower for all pumpout units is 3.0.

PUMPOUT

SYSTEM

ARRANGEMENT

NUMBER

PUMPOUT UNIT

ASSEMBLY NUMBER

COMPRESSOR MOTOR

(V-Ph-Hz)

MAXIMUM

RLA

LRA STORAGE TANK

19XR04027401 19XR04026501 208/230-3-50/60 15.8 105.0 28 cu ft (0.8 cu m)

19XR04027402 19XR04026502 460-3-60 7.8 52.0 28 cu ft (0.8 cu m)

19XR04027403 19XR04026503 400-3-50 7.8 52.0 28 cu ft (0.8 cu m)

19XR04027501 19XR04026501 208/230-3-50/60 15.8 105.0 52 cu ft (1.5 cu m)

19XR04027502 19XR04026502 460-3-60 7.8 52.0 52 cu ft (1.5 cu m)

19XR04027503 19XR04026503 400-3-50 7.8 52.0 52 cu ft (1.5 cu m)

19XR04026801 19XR04026501 208/230-3-50/60 15.8 105.0 Free-standing

19XR04026802 19XR04026502 460-3-60 7.8 52.0 Free-standing

19XR04026803 19XR04026503 400-3-50 7.8 52.0 Free-standing

19XR14017801 19XR04026501 208/230-3-50/60 15.8 105.0 Unit-mounted, frame 1

19XR14017802 19XR04026502 460-3-60 7.8 52.0 Unit-mounted, frame 1

19XR14017803 19XR04026503 400-3-50 7.8 52.0 Unit-mounted, frame 1

19XR34017801 19XR04026501 208/230-3-50/60 15.8 105.0 Unit-mounted, frame 2 or 3

19XR34017802 19XR04026502 460-3-60 7.8 52.0 Unit-mounted, frame 2 or 3

19XR34017803 19XR04026503 400-3-50 7.8 52.0 Unit-mounted, frame 2 or 3

19XR44017801 19XR04026501 208/230-3-50/60 15.8 105.0 Unit-mounted, frame 4

19XR44017802 19XR04026502 460-3-60 7.8 52.0 Unit-mounted, frame 4

19XR44017803 19XR04026503 400-3-50 7.8 52.0 Unit-mounted, frame 4

19XR54017801 19XR04026501 208/230-3-50/60 15.8 105.0 Unit-mounted, frame 5

19XR54017802 19XR04026502 460-3-60 7.8 52.0 Unit-mounted, frame 5

19XR54017803 19XR04026503 400-3-50 7.8 52.0 Unit-mounted, frame 5

19XR64017801 19XR04026501 208/230-3-50/60 15.8 105.0 Unit-mounted, frame 6

19XR64017802 19XR04026502 460-3-60 7.8 52.0 Unit-mounted, frame 6

19XR64017803 19XR04026503 400-3-50 7.8 52.0 Unit-mounted, frame 6

19XR74017801 19XR04026501 208/230-3-50/60 15.8 105.0 Unit-mounted, frame 7

19XR74017802 19XR04026502 460-3-60 7.8 52.0 Unit-mounted, frame 7

19XR74017803 19XR04026503 400-3-50 7.8 52.0 Unit-mounted, frame 7

19XR84017801 19XR04026501 208/230-3-50/60 15.8 105.0 Unit-mounted, frame 8

19XR84017802 19XR04026502 460-3-60 7.8 52.0 Unit-mounted, frame 8

19XR84017803 19XR04026503 400-3-50 7.8 52.0 Unit-mounted, frame 8

LRA — Locked Rotor Amps

RLA — Rated Load Amps

1 2 3 4 5 6 7 8 ... 15 16

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Carrier POSITIVE PRESSURE STORAGE SYSTEM 19XB Specifications Page 3

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