The Subzero SZ-7505T is a compact temperature controller designed for refrigeration, HVAC, cold rooms, chillers, and OEM machinery. It features an analog sensor input, relay output, user-friendly programming, and a robust design suitable for commercial and industrial temperature control systems.

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KEY FEATURES

• Supports analog temperature sensor input

• Relay output for compressor/heater control

• Adjustable temperature setpoint

• LED indication for status & output

• Compact panel-mount construction

• Reliable control for chillers, HVAC, and deep freezers

• Easy wiring & installation

• Designed specifically for refrigeration and industrial applications

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TECHNICAL SPECIFICATIONS 

Parameter	Specification
Model	SZ-7505T
Brand	Subzero
Input Type	Analog Sensor (Thermistor / Thermocouple – model dependent)
Output Type	Relay
Control Type	ON/OFF
Supply Voltage	230V AC (typical Sub-Zero supply range)
Display	LED Indication
Setpoint	Adjustable
Accuracy	±1%
Operating Temperature	0°C to 50°C
Housing	ABS Industrial Grade
Mounting Type	Panel Mount
Relay Rating	10A (typical)
Dimensions	8 × 8 × 4 cm
Weight	0.15 kg

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APPLICATIONS

• Chillers

• Water coolers

• Deep freezers

• Commercial refrigeration

• HVAC units

• Bottle coolers

• Food processing machines

• Industrial machinery temperature control

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WHAT’S IN THE BOX

• Subzero SZ-7505T Controller

• Mounting clips

• User manual

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FAQ

Q1: Is the SZ-7505T suitable for chillers?
Yes, it's commonly used for chillers, deep freezers, and HVAC applications.

Q2: What type of sensor does it support?
It supports analog temperature sensor inputs depending on the model configuration.

Q3: Does it have relay output?
Yes, it includes a heavy-duty relay output for compressor or heater control.

Q4: Is programming easy?
Yes, front-panel keys allow simple parameter and setpoint changes.

Q5: Can I use it in industrial panels?
Yes, it is panel-mounted and ideal for OEM and industrial applications.

Q6: What is the power supply?
Standard Sub-Zero controllers operate on 230V AC.