- 4 -
1 Introduction
The Schwank ThermoControl Plus 4 is suitable for single or two-stage gas-infrared heating
systems.
Dependant upon its operation the controller has one or two controller circuits.
Please read this manual carefully before installing or using the control-unit. Failure to follow the
notes and warnings will affect your guarantees. They are also a prerequisite for a professional
installation and correct handling.
Please pay special attention to chapter 2 “Safety“.
The ThermoControl Plus 4 is designed to be used for industrial/commercial building infrared
heating systems only. Other or further uses are not suitable.
Schwank will not be held responsible for any damages whatsoever resulting from incorrect use.
The controller measures the radiant and ambient temperatures in the space and switches the
heater(s) on/off by relays.
The controller features different operating programs.
-P1…P5: single- or two-stage controller for luminous gas-infrared heaters and tube heaters
Override day temperature mode
+h
Available as a special optional feature is a setback override bu tton that manually extends the
programmed heating period. This bu tton is installed parallel to th e sensor. By pushing the button
(~1 sec.), the nominal value of
the programmed temperature in t he selected control circuit is
maintained for an additional programmable time period. (Default 1h)
Programmed temperature values and operating programs
The temperatures and operating programs of each single control circuit are independently
selectable.
- Day-
, night- or anti-freezing temperature , selected by a week program
- Continuous day-(
FIX
) night-(
FIX
) or anti freezing temperature (
FIX
).
- Holiday program: the controller is able to save eight holiday periods, which are programmed
according to the calendar.
Other Tools/Features:
– Illuminated display
– Selectable ºF / ºC
temperature display
– Button for service maintenance operation mode
– Real-time clock with calendar, including automatic summer / winter time correction
– Outdoor temperature sensor (SA)
– ‘Smart’ adaptive recovery: based on outdoor temperature, adjusts system ramp-up to ensure the
desired occupied temperature is achieved at the programmed time.
– Remote controlled day-mode operation
– ‘On’ cycle record at each output
– Error-relay: relay switches on in any case of error
