Emerson W-OLC Series Oil Management Control W-OLC-2-4

The W-OLC controls the oil level in the compressor crankcase with a float operated valve and keeps the oil level at the compressor manufacturer recommended level. It is a direct replacement of popular competitive models.

Features

Corrosion resistant epoxy powder paint finish

Universal mounting pattern for standard semi- hermetic compressors

W-OLC Series Mechanical Oil Level Balancers           

Exterior coated with corrosion-resistant epoxy powder paint

Adjustable oil level from 1/4 sight glass to 1/2 sight glass

Maximum operating pressure: 31 bar

Maximum operating pressure differential: 6.2 bar

UL/CUL Certification: SA8547

Designation:

W-OLC:Mechanical Oil Level Balancer

-2-4:Oil Level Range

-2 = 1/2 oil level, -4 = 1/4 oil level, -2-4 = adjustable from 1/4 to 1/2 oil level

Standard Model Table:

PCN:064953 W-OLC-2 1/2 sight glass

PCN:064954  W-OLC-4  1/4 sight glass

PCN:065170  W-OLC-2-4 1/4～1/2 sight glass adjustable 

OMB Series Electronic Oil Level Balancer                                                                

Technical Specifications:

Maximum operating pressure: 44 bar

Maximum operating pressure differential of solenoid valve: 24 bar

Input voltage: 24 VAC, 50/60 Hz

Solenoid valve coil: ASC 2L 24 VAC, 50/60 Hz

Current Consumption: 0.6A

Low Oil Level Signal Delay: 5–10 seconds

Delay After Setpoint Reset: 5–10 seconds

Alarm Delay: 120 seconds

Alarm output: Single-pole double-throw

Alarm contacts: 10A @ 125V; 5A @ 220VAC, 50/60Hz

Compatible refrigerants: HFC, HCFC

Maximum oil temperature: 82°C

Maximum shipping and storage temperature: 60°C

Maximum operating ambient temperature: 50°C

Oil return port specification: 1/4″ SAE

Transformer capacity: 25VA

UL/CUL certification: Certification No. SA8547

Features:

Precise oil level control

Status indicator lights for easy monitoring

Anti-foam design to prevent false alarms similar to those caused by photoelectric switches

Equipped with an inlet filter and a magnetic ring for impurity adsorption to ensure precise control

Lockout function prevents compressor operation at low oil levels

Naming Convention:

OMB: Oil Level Controller Series

JB1

JB1 – With Junction Box

MO1 – Without Junction Box

ASC 2 24 50/60

Solenoid Valve Specifications

Model, Voltage, Frequency