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LIQUID MANAGEMENT

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Materials of Construction

The shell and end caps are made of carbon steel. Branch connections

are mad from copper.

120

Part No

Refrigerant Holding Capacity

(lbs at 0°F sat).

Recommended Tonnage Rating at Suction Evaporating Temperature (°F)

R134a

R22

R404A/R507

R134a R22 R404A/R507

+40° +20° 0° -20° -40° +40° +20° 0° -20° -40° +40° +20° 0° -20° -40°

SA-7044 2.2 2.2

2.0 Max 0.7 0.4 0.3 0.2 0.2 1.0 0.7 0.5 0.3 0.2 1.1 0.7 0.5 0.3 0.2

Min 0.2 0.1 0.1 0.1 0.1 0.2 0.1 0.1 0.1 0.1 0.2 0.2 0.1 0.1 0.03

SA-7045S 2.2 2.2

2.0 Max 1.4 0.8 0.5 0.3 0.2 1.9 1.3 0.9 0.6 0.4 2.1 1.4 0.9 0.6 0.3

Min 0.3 0.2 0.1 0.1 0.1 0.4 0.3 0.2 0.1 0.1 0.5 0.3 0.2 0.1 0.1

SA-7045 4.6 4.6

4.2 Max 1.4 0.8 0.5 0.3 0.2 1.9 1.3 0.9 0.6 0.4 2.1 1.4 0.9 0.6 0.3

Min 0.3 0.2 0.1 0.1 0.1 0.4 0.3 0.2 0.1 0.1 0.5 0.3 0.2 0.1 0.1

SA-7046 4.6 4.6

4.2 Max 1.9 1.1 0.7 0.4 0.2 2.7 1.8 1.2 0.8 0.5 2.9 1.9 1.2 0.8 0.5

Min 0.4 0.2 0.2 0.1 0.1 0.6 0.4 0.3 0.2 0.1 0.6 0.4 0.3 0.2 0.1

SA-7056 6.2 6.1

5.5 Max 1.3 0.9 0.6 0.4 0.2 4.1 2.8 1.8 1.1 0.7 2.5 1.7 1.1 0.7 0.4

Min 0.3 0.2 0.2 0.1 0.1 0.9 0.6 0.4 0.3 0.1 0.4 0.3 0.2 0.2 0.1

SA-7057S 6.0 5.9

5.3 Max 3.2 1.9 1.2 0.7 0.4 4.5 3.1 2.1 1.3 0.8 4.8 3.2 2.1 1.3 0.8

Min 0.6 0.4 0.2 0.1 0.1 0.9 0.6 0.4 0.3 0.2 0.9 0.6 0.4 0.3 0.2

SA-7057 10.1 10.0

9.0 Max 3.2 1.9 1.2 0.7 0.4 4.5 3.1 2.1 1.3 0.8 4.8 3.2 2.1 1.3 0.8

Min 0.6 0.4 0.2 0.1 0.1 0.9 0.6 0.4 0.3 0.2 0.9 0.6 0.4 0.3 0.2

SA-7051 13.5 13.3

11.9 Max 4.6 3.2 2.1 1.4 0.8 14.2 9.5 6.3 3.9 2.3 8.9 6.2 3.8 2.4 1.5

Min 0.6 0.5 0.4 0.3 0.3 2.1 1.4 0.9 0.6 0.3 0.8 0.7 0.6 0.5 0.3

SA-7053 13.5 13.3

11.9 Max 7.9 5.4 3.4 2.2 1.3 23.4 15.7 10.4 6.5 3.8 15.3 10.2 6.2 3.9 2.4

Min 1.3 1.1 0.9 0.7 0.6 4.5 3.0 2.0 1.3 0.7 1.7 1.4 1.1 0.9 0.7

SA-7065 28.9 28.4

25.4 Max 19.3 11.3 7.0 4.2 2.4 27.2 18.8 12.4 7.9 4.8 29.1 19.1 12.4 7.7 4.6

Min 3.7 2.1 1.3 0.8 0.5 5.1 3.6 2.4 1.5 0.9 5.5 3.6 2.4 1.5 0.9

Additional Selection Information

Two accumulators can be piped in series to increase holding capacity. Oil will

be metered from one accumulator to the next to ensure proper oil flow to the

compressors. Adding a second identical accumulator will effectively double

the holding capacity of a single accumulator.

Piping two identical accumulators in parallel will double the tonnage capacity.

Two identical accumulators must be used.

On low temperature systems (

0°F and below) a heater band should be

installed to help boil off the liquid refrigerant and aid oil flow. Do not add

too much heat or there is a risk of overheating the compressors.

Selection Guidelines

Selection of a Suction Line Accumulator should be made based on three

capabilities.

1. The Accumulator should have adequate liquid holding capacity.

Normally this should not be less than 50% of the total system charge.

2. The Accumulator should be selected in order to avoid excessive

pressure drop in the system.

3. The Accumulator should have the capability of returning liquid at the

proper rate under a range of load conditions. The listed minimum

tonnage ratings ensure sufficient flow for proper liquid refrigerant and

oil return.

Installation - Notes

1. Install the Accumulator after the Suction Line Filter-Drier.

2. An integral Fusible Rivet is included to protect the Accumulator from

over-pressure due to excessive heat. Replace the Receiver

immediately if the stamped temperature rating is exceeded.

3. For low temperature applications heat bands should be installed at the

bottom of the Vertical Accumulator.

4. Accumulators may be insulated to prevent condensation or frost on the

outside of the shell.

5. Full instructions are given in the Product Instruction Sheet, included

with each unit.