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Instruction Manual for Pool Heater
24THR (15kW to 24kW)
Meddings Thermalec Ltd.
Kingsley Close, East Way, Lee Mill Industrial Estate,
Ivybridge, Devon, PL21 9LL, United Kingdom
Tel: 01752 313343
Fax: 01752 313353
sales@thermalec.co.uk
www.thermalec.co.uk

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Summary of Contents for Thermalec 24THR

  • Page 1 Instruction Manual for Pool Heater 24THR (15kW to 24kW) Meddings Thermalec Ltd. Kingsley Close, East Way, Lee Mill Industrial Estate, Ivybridge, Devon, PL21 9LL, United Kingdom Tel: 01752 313343 Fax: 01752 313353 sales@thermalec.co.uk www.thermalec.co.uk...
  • Page 2 1) INTRODUCTION The Thermalec THR heater is designed for use with swimming pools, spas and other similar installations. To prevent damage to the heater it must not be operated unless it is fully flooded with a sufficient flow of pool water.
  • Page 3 Thermalec Products – 24THR Instruction Manual (rev 2) Flow Rate 15kW 18kW 21kW 24kW Hard water maximum - use bypass above this rate 4000 gal/hr 4000 gal/hr 4000 gal/hr 4000 gal/hr - minimise scale formation 303 l/min 303 l/min 303 l/min...
  • Page 4 Thermalec also produce a range of Pool Control Panels, which enable pumps, heating and all other pool items to be controlled from a single control box. All panels are made to order, to match the specific equipment.
  • Page 5 Thermalec Products – 24THR Instruction Manual (rev 2) k) Set pool temperature controller to less than 15C; Check heater isolation valves are OPEN and water is flowing through the heater; m) Check that the heater is full of water before proceeding;...
  • Page 6 Thermalec Products – 24THR Instruction Manual (rev 2) Colour Meaning Action Mains supply OK Check main supply MCB or RCD has not tripped. Check control fuse (inside unit), spare is provided. AMBER Pump Interlock Check that filter pump running (may be controlled by timer) supply OK Check that 230V is present across terminals A and B.

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