
CC-520 Multispan
Product Summary:
The Multispan CC-520 is a compact digital temperature controller equipped with ON/OFF control, relay output, and flexible defrost management. Designed for refrigeration, heating, and defrost applications, it offers high accuracy and rugged performance for industrial needs.
Key Features:
ON-OFF control action with selectable cooling or heating mode
Adjustable hysteresis: 0.1 to 20.0°C
Offset adjustment: -9.0 to +9.0°C
Configurable relay delay & defrost timer (0–999 min)
Defrost frequency: 1–999 hours
3-digit, 0.56” 7-segment red/white LED display
Keys: SET, UP, DOWN, ENTER
Defrost enable/disable and decimal point selection (0.1/1.0°C)
High-reliability NTC sensor input with ±1% FSD accuracy
Rugged 20A relay (NO-C) for heavy-duty use
Panel mount with compact size: 37 x 78 x 70 mm
Supply voltage: 230V AC / 24V DC / 12V DC (factory set)
Applications:
Cold storage and chillers
Industrial HVAC units
Dairy and food processing units
Laboratory freezers
Commercial refrigeration systems
Product Benefits:
Flexible mode selection for heating or cooling
Integrated defrost control improves system efficiency
User-friendly with intuitive key interface
Suitable for harsh industrial environments
Highly accurate and stable temperature monitoring
FAQs:
Q1: Can I use the CC-520 for both heating and cooling applications?
A1: Yes, the CC-520 supports selectable heating or cooling modes via control action settings.
Q2: What type of sensor is compatible with the CC-520?
A2: It uses an NTC sensor with a nominal resistance of 10k ohm and a measurement range of -50°C to 99.9°C.
Q3: Is defrost control automatic?
A3: The CC-520 features programmable defrost frequency and duration, allowing both automatic and manual defrost options.