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TITANIUM ELEMENTS

THERMALEC®

ELECTRIC SWIMMING POOL HEATER

12THR Series (12 kW to 78 kW)

OVERVIEW

Thermalec® pool and Spa heaters

  • EU Council Directive 89/336/EEC & 93/068/EEC on Electromagnetic compatibility
  • EU Council Machinery Directive 98/37/EEC
  • EU Council Low Voltage Directive 2006/95/EEC & 72/23EEC
  • Harmonised Standards: EN55014, EN55104, EN5501, EN5502, CEI801-2, CEI801-3 and EN60335-2-35
PRODUCT RESOURCES
Materials of construction
Heater vesselFusion epoxy coated cast iron
GasketSilicone rubber
Heater elementsTitanium sheath
Element holding plateuPVC
Water connectionsuPVC socket
Electrical enclosurePowder coated steel
Operating data
Water inlet/outletSocket for 40 mm or1½”NB pipe
Operating pressure2.0 barg max.
Pool temp. Control range15°C to 45°C
Max. water temp.52°C heater outlet
Ambient temp40°C max.
Thermostat operating diffl.0.5°C
Installed heater power
3 kW4 kW6 kW7.7 kW9 kW10 kW 12 kW
Maximum (hard water) l/min.152 152 152 152 152 152 152
Maximum (soft water) l/min. 7676 76 76 76 76 76
Minimum l/min. 4.5 6911 141518
Power supply isolationON/OFF switch on front fascia.
Water temperature cut-outFactory set to trip at water outlet temperature of 52°C. Manual reset on front fascia.
ThermostatsPressurised liquid filled capillary type.
Pool temperature controlAnalogue dial, calibrated 15°C to 45°C and graduated at 1C° intervals.
Mains indicator lampsRed (mains power on), Amber (filter pump interlock power present)
Status indicator lampsRed (heater ON/OFF switch ON), White (safety thermostat trip armed), Amber (pump
interlock relay OK), Green (heating elements powered).
Protection level: IP 21
Pump interlock voltage: 230 V AC
Fuses: 1 x 2 Amp (+1 spare)
Element heat flux: 11.5 W/cm² max.

Standard Power Supply: 230V/1ph/50Hz or 400V/3ph/50Hz
Model Ref. Load kWCurrent Amps
1-ph/3-ph
Elements
(no. x nominal kW)
1-phase
version
3-phase
version
12THRX3314/n.a. 1 x 3 kW YesNo
12THRX4417/n.a.1 x 4 kW YesNo
12THRX6627/n.a. 2 x 3 kWYesNo
12THRX7.57.533/113 x 2.5 kWYesNo
12THRX9*940/133 x 3 kW YesNo
12THRX12*1253/173 x 4 kW YesNo

Models marked * are not suitable for spa use. For 9 and 12 kW heaters, use models 12PHR9/SPA and 12PHR12/SPA respectively.

Power Supply: 220V/1ph/50Hz or 380V/3ph/50Hz
Model Ref. Load kWCurrent Amps
1-ph/3-ph
Elements1-phase
version
3-phase
version
12THRX4V419/n.a. 1 x 4 kW YesNo
12THRX6V6.328/n.a.2 x 3 kW YesNo
12THRX7.5V7.535/123 x 2.5 kWYesYes
12THRX10V*1046/161 x 4 kW + 2 x 3 kWYesYes
12THRX12V*1255/193 x 4 kW YesYes

Models marked * are not suitable for spa use. For 10 and 12 kW heaters, use models 12PHR10V/SPA and 12PHR12V/SPA respectively.

Power Supply: 220V/2ph/60Hz or 220V/3ph/50Hz (Delta wiring)
Model Ref. Load kWCurrent Amps
1-ph/3-ph
Elements
1-phase
version
3-phase
version
12THRX4DV419/n.a. 1 x 4 kW YesNo
12THRX6DV6.329/n.a.2 x 3 kW YesNo
12THRX7.5DV7.5n.a./123 x 2.5 kWNoYes
12THRX10DV*10n.a./161 x 4 kW + 2 x 3 kWNoYes
12THRX12DV*12n.a./193 x 4 kW NoYes

Models marked * are not suitable for spa use. For 10 and 12 kW heaters, use models 12PHR10DV/SPA and 12PHR12DV/SPA respectively.

Packed dimensions: 425 x 450 x 190mm
Packed weight: 26 kg