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COMPRESSOR PROTECTIVE DEVICES

ELECTRO-MECHANICAL OIL LEVEL

REGULATOR

The function of an Electro-Mechanical Oil Level Regulator is to

control the oil level in the compressor crankcase when used as part

of a Low or High Pressure Oil Management System.

Applications

Electro-Mechanical Oil Level Regulators can be used with Low and High

Pressure Oil Management Systems on a single compressor or on multi-

compressor racks. The S-9030 Regulators is designed to bolt directly to the

sight glass housing on the compressor crankcase. Henry Technologies

offers a wide variety of Adapters to allow use on most popular compressor

models.

The S-9030 Electro-Mechanical Oil Level Regulator can be adjusted to

maintain an oil level between 1/4 and 1/2 sight glass. The S-9030 maintains

the oil level at any pressure differential between 5 and 300 PSI (0.35 and

20.7 Bar).

The Henry Technologies' Electro-Mechanical Oil Level Regulator is suitable

for use with HFC and HCFC refrigerants and their associated oils, as well as

other industrial fluids non-corrosive to steel, brass, copper, and Teflon.

Main Features

Ÿ

SAE flare oil and equalization connections

Ÿ

Supply = 24 VAC, 6 Watt

Ÿ

Adjustable oil level between 1/4 and 1/2 sight glass

Ÿ

Low level alarm circuit

Ÿ

Replacement parts available for all major components

Ÿ

Pressure equalization ports for multi compressor applications

Ÿ

Adapters available for most popular compress models

Ÿ

Patented Henry Technologies’ Design*

Ÿ

3 Bolt, 1-7/8” BC Compressor Connections

Technical Specifications

Maximum Working Pressure = 450 PSI (31 Bar)

Allowable Pressure Differential = 5 to 300 PSI (0.35 to 20.7 Bar)

Allowable Operating Temperature = -14°F to +212°F (-10°C to +100°C)

Henry Technologies' Electro-Mechanical Oil Level Regulator is UL and C-UL

Listed by Underwriters Laboratories, Inc.

Materials of Construction

The shell and caps are made of steel. All connections are made of plated

steel, and the protective cap is made of vinyl.

Installation - Notes

1. To protect the Oil Level Regulator from system debris, an Oil Strainer, Oil

Filter or Oil Filter Drier is recommended.

2. The Oil Level Regulator should not be subjected to excessive vibration.

3. The operating differential oil pressure should be within the range of the

Regulator's specification.

4. The oil level must be set and controlled in line with the compressor

manufacturer's guidelines.

5. If the alarm output is used to shut down a compressor, an external time

delay should be fitted into the circuit.

6. Full instructions are given in the Product Instruction Sheet included with

each Regulator.

Œ



Ž





3/8 SAE Flare Inlet

3/8 SAE Equalization Port

3-Bolt Flange

Solenoid Valve

Float Switch

Part No

Dimensions (inch)

Weight

(lbs)

ØA B C D E F

S-9030 3.0 3.18 6.5 4.15 2.53 2.4 4.0

REPLACEMENT PART TABLE

Part No

Description

3-044-016

Float Switch

3-047-017

Solenoid Valve Kit

5

5

4

45°

B

ØA

3

3

C

D

E

F

1

2

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