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INSTALLATION, OPERATION AND MAINTENANCE 

 

BEFORE YOU BEGIN INSTALLATION READ THE 

MANUAL CAREFULLY 

 

WARNING 

Only qualified personnel, should install and maintain this equipment. 

Unauthorized alteration or improper maintenance of this unit may release 

the manufacturer from any warranty claims. 

 

Check all electrical connections to all components within the heater for 

tightness. Connections can become loose during shipment and handling, 

this can cause electrical components to burn out. 

 

 

CAUTION 

The heater must be installed in accordance with the country/regional 

requirements & regulations. In any event the work must be carried out by a 

suitably qualified electrician, who will provide a certificate of conformity 

upon the completion of work. The power supply must be fitted with an RCD. 

 

Summary of Contents for 120THR

Page 1: ...Check all electrical connections to all components within the heater for tightness Connections can become loose during shipment and handling this can cause electrical components to burn out CAUTION Th...

Page 2: ...may lead to unconsciousness with the possibility of drowning e Obese persons and persons with a medical history of heart disease low or high blood pressure circulatory system problems or diabetes shou...

Page 3: ...eater selection installation and operation This is particularly for difficult applications such as sea water pools health spas or hydrotherapy pools areas in which the performance of Thermalec pool he...

Page 4: ...cut off the power in the event of excessive temperature A pump interlock switch is built in to prevent the pool heater from operating without the pump being energized we use this because we have foun...

Page 5: ...not heat properly unless it is plumbed correctly If plastic pipe is used it should be suitable for at least 49 C 120 F A plumbing bypass around the pool heater is not necessary unless flow rate thoug...

Page 6: ...minimise scale formation 2000 gal hr 152 l min 2000 gal hr 152 l min 2000 gal hr 152 l min Soft water maximum use bypass above this rate improves element life 1000 gal hr 76 l min 1000 gal hr 76 l mi...

Page 7: ...during shipment and handling c Check components for any moisture rust or dust which may have accumulated during shipping and clean or dry where necessary All pool heaters covered in this manual have i...

Page 8: ...he heater cover and the plastic terminal cover Single phase All 12THR heaters are delivered configured for single phase operation It is vital that all wires are firmly terminated into the appropriate...

Page 9: ...her control the operation of the heater A time switch can be fitted to interrupt the supply to terminal A ensuring that it can only come on during specific periods of cheap electricity This is detaile...

Page 10: ...affected area Pool Not Reaching Desired Temperature If the status lamps are lit as described on the previous page and the contactors can be heard engaging then the heater can be said to be operating c...

Page 11: ...liable in cases of incorrect installation of the heater inappropriate use or neglect of the heater Water Quality The water quality must be within the following limits PH 6 8 8 0 TA Total alkalinity 80...

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