d) Apply Electrical contact cleaning spray (or similar) to all electrical components, particularly the
contactors.
e) Close heater isolation valves.
f) Empty vessel using drain valve.
g) Remove drain valve locking screw and check for debris at the bottom of vessel with 6mm
dowel rod.
If rod cannot be fully inserted, then consideration should be given to opening the vessel to remove debris.
If the pool is to be kept in semi-operation during the winter, then the heater may only be left full of water if
the filter pump is fitted with a frost-stat.
Warranty. The heater is guaranteed for two years against faulty workmanship or materials. This
does not cover damage caused by incorrect commissioning & maintenance or by other neglect of
the heater.
The manufacturer will replace or repair, at its discretion, any faulty units or components returned to
the company for inspection. Proof of purchase may be required. The manufacturer will not be 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 - 140ppm (parts per million)
Chloride Content MAX: 150 mg/litre
Free Chlorine: 2.0 mg/litre
Total Bromine: Max 4.5 mg/litre
Total Dissolved Solids (TDS) / Calcium hardness 200 - 1,000ppm
Thermalec® heaters are suitable for use with salt water pools with a salt concentration up to 8000ppm
(8g/litre).
Water chemistry is complicated if in doubt seek expert advice.
RoHS Compliance Statement
Meddings Thermalec Limited certify that our Electric Swimming Pool Heater Range complies in
accordance with RoHS Directive 2011/65/EU on the restriction of hazardous substances. Waste of
Electrical / Electronic Equipment
This product complies with EU directive 2012/19/EU. Do Not dispose of this product as unsorted
household waste.
By ensuring this product is disposed of correctly you will help prevent potential negative consequences
for the environment and human health, which could otherwise be caused by inappropriate waste handling
of this product.
