Pola HP12W Two stage thermostat for heating or cooling

For a spare SX sensor, please click here.

General Description

The Pola HP12W is a surfce mounted digital thermostat with 2 set points for control of temperature at 2 levels/settings.

The Pola HP12W can be used for:

• Stage stage control of 2 heaters, high/low, etc.
• Heating and cooling control
• Energy efficient heating or cooling by using the second set point as a "set back" with an external switch,
• Heater and fan control,
• Pump over run,
• Cooling with Frost protection, etc.

A Pola SX thermistor sensor is supplied with a range of -50.0/115.0 Deg.C or -58.0/239.0 Deg.F.
Also available as 96 x 96mm front panel mounting or IP54 surface/wall mount (Pola HP12w), it's large 20mm display makes for easy reading.
Min. and Max. temperatures are stored for later viewing.
With 0.1 Degrees resolution, adjustable hysterisis from 0.2 Deg. and scale in C or F, the result is a versatile accurate thermostat.

Applications

Heating and cooling
Swimming Pool thermostat
Heat pumps
Greenhouses thermostat
Heat + Alarm
Dual alarm
Dual set point
Spray booth control
Poultry house alarms
Heat + frost protection

Technical Specification

Power supply 230V +/- 10%
Mains frequency 50Hz +/- 20%
Power consumption 4W
2 x SPDT Output Relay:
Resistive contact rating 3 Amp 230V - AC1
Inductive contact rating 1 Amp 230V - AC3
Measuring range -50.0/115.0 Deg.C
Operating temperature -10/70 Deg.C
Measuring precision (Ambient 25 Deg.C) 0.1 Deg.C typical
Overall dimension panel mount Pola HP12 - 96 x 96 x 63 mm
Overall dimension surface mount IP54 version Pola HP12W - 98 x 125 x 75 mm