Temperature > Thermostats > Pola temperature controls

Pola HP54 - 4 stage ventilation control (replaces Pola HP36, HP37 & HP38). Includes SX.


hp54hp54backPola SX probe

Downloadable instructions: pdf

*Prices exclude delivery

Price ex.VAT



General Description

Pola HP54 is a 4 stage control for switching ventilation fans or steps of heating, in applications such as poultry houses. Programmable for step or sequential control.

It can replace Pola HP36, HP37, HP38 or CLT1.

An additional relay gives 1 addtional heat or cool output to suppliment ventilation/heating. 
For poultry safety, a minimum ventilation cycle timer output exists to ensure a small amount of airflow exists under all circumstances.
With addition of HPAL relay module, high and low alarm protection is available.
Enclosures available are 96x96x58mm panel mounting or 98x125x75mm IP54 surface/wall box.

Main Features

Temperature sensor supplied, -50.0/115.0 Deg.C or F    
High & Low alarms via HPAL relay module.
Adjustable ventilation temperature band.
Ventilation programmable, step or sequence action.
Set point adjustable relative to ventilation band.
Output LEDs show control status.
Removable terminal strips
4 output relays
1 heat/cool relay.

Technical Specification

Power supply                                                      230V +/- 10%
Mains frequency                                                50Hz +/- 20%
Power consumption                                           4W
5 x SPST Output Relays:
Resistive contact rating                                     4 Amp 220V - AC1
Inductive contact rating                                     2 Amp 220V - AC3
Operating temperature                                       -10/70 Deg.C
Overall dimension                                             96 x 96 x 63 mm
Overall dimension (IP54 version)                     98 x 125 x 75 mm


Optional HPAL alarm output module: