Control sub-assembly designed to be fitted directly on standard immersion heaters. Power up to 3500W, 230V, single phase.
Housing: IP54, 105 x 88 x 84.5 mm, (Cap, accessories and cable gland not included), black PC-ABS, UL94V0. High impact and UV resistance. Product including an adjustable temperature control thermostat and a fixed setting high limit manual reset thermostat. Manual reset has access from outside, by removing a cap.two M20 cable glands.
Electrical input: one M20 cable gland.
Temperature Adjustment: Inside, with °C printed knob. (°F printed knobs available in option)
Sensing elements: Liquid filled bulbs, dia. 6mm , with output on backside, for mounting inside immersion heater pockets
Adjustment ranges: 0-60°C (32-140°F) ; 30- 90°C (85-195°F) ; 30-110°C (90-230°F)
Sensing element output lengths (C): 500mm (standard) , other lengths from 150mm to 800mm
available on request
-Power supply (Neutral, Line, Ground), on 6mm² screw terminals.
-Immersion heater: 3 wires, FEP 180°C insulated, 2.5mm², equipped with ring terminals, length 50mm
on the immersion heater connection side, for direct connection on heating element M4 terminals.
(Neutral wire is blue color)
-Pilot light (Option): can be connected by a strap on power supply, or on control thermostat output,
or on safety thermostat output.
Mounting: by the backside extension, on the 50mm diameter hole, that can be used for
immersion heaters with 1”1/2 thread or M45 thread, mounted by nut or by dia 56mm rotation ring (see
fittings and accessories for immersion heaters in catalogue 2)
Control thermostat contact: Open on temperature rise contact (C-1) 16A(2.6) 250VAC
-Electrical life >100.000 cycles .
Manual reset thermostat contact: Fail safe, open by temperature rise; 16A (2,6) 250V alt.
Control thermostat and manual reset thermostat contacts are in serial on the Line supply of
immersion heater.
- Pilot light (230V)
- Liftable adjustable high end adjustment on control thermostat.
- Outside access to the control thermostat adjustment (By removing a 40mm dia. cap)
-Thermal cut out for incorporation inside immersion heater pocket.
Main references (with C= 200mm)
Other temperature ranges on request
Versions with °F printed knobs: replace S by T or E by G in the reference
Knob and dial printings