ES3, ES4 & ES6 Instructions. V1.06 Page 2 August / 2014
Description
Zip InLine ES3, ES4 and ES6 instantaneous water heaters are compact electronically controlled
instantaneous water heaters for hand washing.
This small instantaneous water heater is intended to provide economical heating of water for
a wash basin when installed together with a sanitary water tting. When the hot-water tap
is opened, the heater switches itself on automatically when the minimum water ow rate is
exceeded and heats the water as it passes through the appliance.
The heater is pre-set in the factory to an outlet temperatu re of about 38°C, which is ideal for
hand washing. When this temperature is reached, the electronic regulator reduces the power
in order to ensure that the outlet temperature does not exceed this value. This automatic
temperature regulation means that it is only necessary to open the hot water tap to obtain
water at a constant, safe temperature for washing hands. If the set outlet temperature is not
reached, slightly reduce the ow of water from the tap. Cold water may be added if a lower
temperature is required.
If the ow rate is too low or if the hot water tap is closed, the appliance switches itself off
automatically. For an optimum ow of water, always t the special jet regulator supplied with
the appliance. This regulator should be inserted into the threaded retainer on the tap outlet.
The maximum possible outlet temperature is determi ned by the temperature of the incoming
water, the ow rate and the heating power of the heater.
The temperature set point and ow rate can be preset inside the appli ance to achieve an
outlet temperature between about 30°C and 43°C.
Power consumption is also regulated based on outlet temperature to ensure the required
temperature is achieved exactly to the degree and irrespective of uctuations in voltage and
water pressure.
The maximum inlet temperature of 70°C is suitable for use with preheated water e.g. from solar
heating systems.
Approvals-
Zip InLine ES3, ES4 and ES6 are VDE approved to the LVD and EMC directives and CE endorsed.
Zip InLine ES3, ES4 and ES6 have been examined, tested and found when correctly tted to
comply with the requirements of the United Kingdom Water Regulations / Byelaws (Scotland).
The products are listed under the WRAS (Water Regulations Advisory Scheme) Water Fittings
and Materials Directory.
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