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The flow tube does not feel warm 

Due to the high efficiency of your electric heater no warmth should be detectable from the flow 
tube of the heater.  
The most likely causes of the flow tube feeling warm are  
Possible Cause 1.) The heater has been positioned in direct sunlight. 
Possible Cause 2.) An air pocket is trapped inside the heater, particularly if the tank feels warmer 
at the highest point of the tank (as air rises).  

No lights appear on the heater when it is switched on 

Possible cause: Power Failure external to the heater - Remedy:  
Check any fuses, RCD or other switch components installed in the supply cable.  

Q = How long will it take to heat my pool? 
A = 

Assuming no heat losses

, and a heater sized in the ratio 1.5-kW per 1,000-gallons of water 

(4,545-litres): it will take 2 days of continuous running to raise the temperature of a pool from 
tap temperature to swimming temperature.  
 
Heat loss will slow the heating process, particularly during periods of cold weather, hence the 
higher the water temperature is to be maintained above average ambient air temperature, the 
slower the heating process will become. The only influencing factors are the level of insulation 
and the sighting of the pool with regard to wind shelter. 

Useful advice: To reduce running costs and speed up the heating process ; 
Insulate the pool wherever possible. A floating solar cover is an essential minimum to retain 
heat.

 

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This product complies with EU directive 2002/96/EC 

Do Not dispose of this product as unsorted municipal waste. 

This symbol on the product or on it’s packaging indicates that this product should not be treated 
as household waste. Instead it should be handed over to the applicable collection point for the  
recycling of electrical and electronic equipment. 

By ensuring this product is disposed of correctly you will help prevent potential negative conse-
quences for the environment and human health, which could otherwise be caused by  
inappropriate waste handling of this product. The recycling of materials will help to conserve 
natural resources. For more information please contact your local Civic office, your household 
waste disposal service or the retailer where you purchased the product. 

Elecro Engineering Limited certify that our Electric Swimming Pool Heater Range complies in 
accordance with RoHS Directive 2002/95/EC on the restriction of hazardous substances.  

Summary of Contents for In-Line + Swimming Pool Heater

Page 1: ...LEASE READ CAREFULLY BEFORE INSTALLING Do Not Discard Keep For Future Reference Incorrect Installation Will Affect Your Warranty In Line Swimming Pool Heater Installation Instructions Operating Manual...

Page 2: ...er in this booklet the heater MUST remain sited after the filter Only clean filtered water should enter the heater It is essential that the pipe work connecting to and from the heater has a minimum bo...

Page 3: ...The power supply must be fitted with a RCD If required your electrician may replace the supplied cable entry gland with a larger one to secure the cable powering the heater this will not affect your w...

Page 4: ...ht this can be reversed by rotating the flow switch 180 i e turn see diagram below The flow rate of water entering the heater must not exceed 17 000 litres per hour 3 740 UK gallons per hour A higher...

Page 5: ...Heating The actual pool temperature is displayed in the red upper display The lower green display required temperature can be selected by the user This is the temperature you would like your pool wat...

Page 6: ...nterlock cable directly to the swimming pool pump as this will result in overloading the heaters digital controller TIME SWITCHING DELAY To prevent overheating of the switch components within the heat...

Page 7: ...ripped Remedy remove button cover and press red button to re set See diagram below If a positive click is felt the cause of the tripping must be investigated and could be caused by a debris build up o...

Page 8: ...kW in a one hour period The conclusion of the test should prove that for example a 6 kW heater and a horsepower pump will draw between 6 3 kW to 6 5 kW in one hour It is impossible for an electric he...

Page 9: ...influencing factors are the level of insulation and the sighting of the pool with regard to wind shelter Useful advice To reduce running costs and speed up the heating process Insulate the pool where...

Page 10: ...he harmonised standards have been applied EN 60335 2 35 Elecro Engineering Limited Unit 11 Gunnels Wood Park Stevenage Hertfordshire SG1 2BH UK Tel 44 0 1438 749 474 Fax 44 0 1438 361 329 Website www...

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