ES3, ES4 & ES6 Instructions. V1.06 Page 4 August / 2014
• If inlet temperature is up to 70°C (eg. fed from a solar supply) mixing with cold water will be
required to ensure a safe temperature at the outlet.
CAUTION
• Optimum operation is ensured at a water ow pressure of 0.2 to 0.4 MPa (2-4 bar). The
appliance must not be subjected to pressure exceeding 1.0 MPa (10 bar).
• The appliance must only be used when correctly installed and in perfect working order.
• The appliance must be installed in a frost-free room and must never be exposed to frost.
• The ES range is not intended for use with thermostatic mixing valves or taps.
• The appliance must be completely lled with water before being switched on.
• Before commissioning for the rst time and each time the appliance is emptied (e.g. due to
work on the plumbing system or maintenance), the appliance must be vented by opening
and closing the hot water tap until all air has been eliminated from the water heater and no
more air emerges before re-connecting to the electrical supply.
• The appliance must only be used for heating potable water. The specic water resistance
must not fall below the required value indicated on the rating plate. The appliance must not
be used for any other purpose.
• Incoming water temperature must not exceed 70°C.
• The Zip InLine is intended for connection to mains supply only. In any other case please
contact Zip on 0845 6 005 005 / 0345 6 005 005 for advice.
• The temperature of hot water produced by the ES is dependant upon ow rate,
supply voltage and incoming water temperature.
At times of low incoming water temperature (below 12°C) it may be necessary to
reduce the ow rate through the appliance to increase the hot water temperature.
• Zip Heaters (UK) Ltd cannot be held liable for any damages caused by failure to
observe these instructions.
186mm
135mm
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