Product Overview

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2004FC-118 (Q4/09)

Oil Controls

Nomenclature example: OMB-JB1 ASC2 24 50/60

OMB JB1 ASC2 24 50/60

Oil Management

Control

JB1 - Junction Box

MO1 - Series

Relief Connector

Solenoid Coil Model

Number, Voltage, Frequency

(included)

The OMB is a compressor crankcase oil level protective control

ideal for use with Copeland Scroll

models ZF, ZB, ZR and ZS. It is

also recommended for Copeland

brand products, Carlyle, Bitzer,

and other semi-hermetic compressors.

Features

• Precision oil level measurement for maximum protection

• Easy monitoring with alarm and status lights

• Foam resistant design prevents nuisance trips unlike

optical sensor designs

• Contaminant proof operation ensures accurate control

• Only approved oil level control for Copeland Scroll

Compressors

• 5-time lockout feature protects compressor from repeated

low oil level condition

Specifications

• Maximum working pressure: 640 psi

• Solenoid MOPD: 350 psi

• Supply voltage: 24 V AC, 50/60 Hz

• Solenoid coil: ASC 2L 24 V AC,

50/60 Hz

• Current consumption: 0.6A

• Time delay for low level signalling: 5-10 seconds

• Time delay for after setpoint recovery: 5-10 seconds

• Alarm delay time: 120 seconds

• Alarm switch: SPDT

• Alarm contact rating: 10A @ 125;

5A @ 220 V AC

50/60 Hz

• Refrigerant compatibility: HFC, HCFC, CFC

• Oil temperature: 180°F Max.

• Storage and transport temperature: 140°F Max.

• Operating ambient temperature: 120°F Max.

• Oil supply ﬁ tting: 1/4” Male SAE

• UL/CUL ﬁ le number: SA8547

• Transformer VA requirements* 25”

*NOTE: Field supplied transformer should always be of the

same primary voltage as the electrical supply system.

Dimensional Data

Unit must be mounted horizontally

for correct operation.

Ordering Information

PCN DESCRIPTION

Oil Management Control

065365 OMB-JB1 ASC 2 24/50-60 - STD

065366 OMB-MO1 ASC 2 24/50-60 - STD

Adapters

(to attach OMB to Copeland Scroll

compressor for new installation only)

065668

OMB-ACA ADAPTER (3/4” x 14 NPTF) Copeland

Glacier, ZF, ZS, ZB

065667

OMB-ACB ADPATER (1 1/8” x 12 UNF) Copeland

A/C ZR

066077

OMB-ACD ADAPTER (1 1/4” x 12 UNF) Copeland

A/C Summit Series

066078

OMB-ACE ADAPTER (1 3/4” x 12 UNF) Copeland

Specter Series

OMB-AUA ADAPTER Copeland

6D semi-hermetic

Service Parts

048638 Inlet Flare Screen

020877 Sight Glass O-Ring

064812 Mounting O-Rings (3 pieces)

049191 KS-30112 Solenoid Repair Kit

OMB

R-410A