Main applications:Control sub-assembly designed to be fitted directly on standard immersion heaters. Power up to 3500W, 230V, single phase.
Housing: IP54, 105 × 88 × 84.5mm, (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.
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
Electrical connections:
- 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
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.
Options:
- 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.