O Series Temperature Controls

The Ranco® Wide Range O Series Temperature Controls provide a wide selection of controls customized to allow users exact adjustments within manufacturers' limits. The Ranco O Series features heavy-duty plated steel frames, non-conductive covers with front-located captive cover screws, raised screw terminals for fully accessible wiring, and large easy-to-read scales. Recognizing the need for flexibility in design of refrigeration equipment, these controls offer a wide selection for such products as self-contained refrigerators, freezers, coolers, walk-in units, and refrigeration display cases.

Features and Benefits

• Maximum adjustment accuracy with 7 revolution range adjustment screws
• NEMA 1 enclosure with non-conductive cover
• Universal mounting and compact design
• Laser-welded bellows for extended life
• Wide range adjustable differential 

The O60 Series have these additional features:

• 10 times setting sensitivity of most other wide range controls (O60 series only)
• Gas-filled, nonposition-sensitive bulb (O60 series only)
• Cap included on all Australia temperature controls. Optional for all other regions

Universal Relay Circuit Board With Temperature Display
Part# Qd-U08A
5 Working Modes
Accurate & Stable Temperature Control
Timer On/Off
Defrost Automatically
Prevent Code Wind in Heating Mode
3 Fan Speed
Accurate & Stable Auto Fan
Sleep Function
Double Sensors
Colorful Sensor Socket, Easy for Connecting
Updated receiver
Updated transformer, easy installation 

Qunda Universal AC Control System
Model# QD-U08PG

5 Working Modes
Unlimited fan speed, low noise
Accurate & Stable Temperature Control
Accurate & Stable Auto Fan
Timer on/off/
Sleep Function
Double Sensors
Auto Defrost
Pipe Protection for Higher Temperatures
Auto Examine fault
Updated receiver
Updated transformer, quick plug, easy installation

Universal 5 Ton Evaporator Relay Circuit Board
With Temperature Display
Part# Qd-U12A

LCD backlight display, big screen, high quality
Interior power indicator for power button, easy to distinguish the main engine working state
5 Operating modes: Auto, Cool, Dry, Ventilation, Heat
4 Fan Speeds: High, Middle, Low, Auto
3 Sensors: coil pipe protection, precise temperature control, auto and efficient defrost
2 Air flow direction control modes: auto and manual.
Auto restart function
Negative ion control function
Auxiliary heating function
Prevent cold air in heating mode
Timer
Sleep Function
Outdoor fan controlled independently
Protective 3 minute time delay for compressor
Mandatory start in shut-down state.

 

FB402--FAN BLADE 4C1875C1

Lightweight replacement plastic fan blades for a variety of applications

Features/Benefits

Celcon plastic construction
Clockwise Rotation
Eliminates bent or misaligned blades
Light weight design reduces bearing wear and vibration
Low air noise

FB504--FAN BLADE 5CC1875C3

Lightweight replacement plastic fan blades for a variety of applications

Features/Benefits

Celcon plastic construction
Counter-clockwise rotation
Eliminates bent or misaligned blades
Light weight design reduces bearing wear and vibration
Low air noise

Universal Cassette Relay Circuit Board
With Temperature Display
Part# QD-U30A

Varifix Series

The Ranco® Varifix International Cold Controls are designed for fast and easy service replacements. They are available for both refrigerator and freezer applications.

Features and Benefits

• Trusted brand
• Capillary is crimped and sealed for maximum reliability
• High level of performance
• Complete kit includes all necessary hardware