


Subzero SZ 7516T
Sub-Zero SZ-7516T Touch Temperature Controller
Compact, touch-sensitive temperature controller designed for commercial refrigeration with precise control, wide sensor compatibility, alarms, and robust relay output.
The Sub-Zero SZ-7516T is a touch-sensitive digital temperature controller designed for commercial refrigeration, freezer units, chillers, and cold storage equipment. It provides accurate temperature control, dual relay outputs, alarm functions, and easy programming through capacitive touch keys.
Key Features (Bulleted)
Touch-sensitive keypad for easy operation
Supports NTC temperature sensor
Wide supply range: 90–270 VAC
Relay output for compressor + auxiliary output
Configurable high/low temperature alarms
Defrost timing, compressor protection & delays
LED status indication
Compact panel-mount design
User-friendly parameter configuration
Ideal for freezers, chillers, and cold rooms
Technical Specifications (Table)
| Parameter | Specification |
|---|---|
| Model | SZ-7516T |
| Power Supply | 90–270 VAC |
| Temperature Range | –50°C to +99°C |
| Sensor Type | NTC |
| Display Type | 7-segment digital |
| Keys | Touch-sensitive |
| Relay Output | Compressor Relay + Auxiliary Relay |
| Alarm Functions | High temp, low temp, sensor error |
| Compressor Protection | Delay time programmable |
| Defrost Type | Time-based (from brochure) |
| Mounting | Panel mount |
| Dimensions | 115 × 75 × 35 mm |
| Protection | Front panel splash resistance |
| Application Voltage | 230 VAC typical |
Applications (Bulleted)
Commercial refrigerators
Freezers & deep freezers
Chillers & bottle coolers
Cold rooms
Ice cream freezers
Visi-coolers
Food & beverage equipment
Bakery refrigeration
What’s in the Box
Sub-Zero SZ-7516T Temperature Controller
NTC sensor probe (if included in packaging)
Mounting clamps
User manual
FAQ
Q1. Can SZ-7516T be used for both cooling and freezing applications?
Yes, it supports a wide temperature range and is suitable for chillers, refrigerators, and deep freezers.
Q2. Does it support a defrost cycle?
Yes, it includes programmable defrost timing based on your requirement.
Q3. What sensor does it use?
It uses an NTC temperature sensor for accurate measurement.
Q4. Does it have compressor protection?
Yes, it includes a programmable compressor ON/OFF delay to prevent short cycling.
Q5. Is the keypad durable?
Yes, it uses a touch-sensitive keypad with no mechanical wear.
Q6. Can it replace any old Sub-Zero controller?
Yes, its size and wiring make it compatible with most Sub-Zero models.