Benchmark PulsaCoil 2000 Series Design, Installation And Servicing Instructions page 12

Electrical Installation
The upper immersion heater is positioned at a level on the PulsaCoil 2000 to provide
sufficient hot water for at least one bath - see Technical Data Table on page 5. This
is connected to the unrestricted on peak supply and is normally switched manually
by the householder to provide a day time boost when required. Alternatively a time
clock could be wired into this supply to provide an automatic boost on a daily basis
if preferred.
NOTE: The PC 125 model is only supplied with a lower immersion heater.
The size of the appliance and the need to use the on peak boost facility is reduced if
a better off peak tariff can be agreed with the electrical supply company - see Model
Selection Guide on page 5.
A 3 amp supply is also required from the unrestricted on peak supply for the control
circuit.
Although the PulsaCoil 2000 appliance is primarily designed to operate with an off peak
supply it will also operate quite successfully if it is only supplied with an on peak supply.
However, this will substantially increase the running costs of the appliance and should
only be considered if an off peak supply is not available.
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1.0 DESIGN
1.3 SYSTEM DETAILS
Two typical methods of providing electrical
supplies are shown below for information.
However, the PulsaCoil 2000 appliance is
suitable for use with any method of supply
- if unsure please consult Gledhill Technical
Department for further assistance.
If separate circuits are provided the two
switches must be clearly labelled for the
householders use.
Note:
In addition to the supplies to the
immersion heaters, PulsaCoil 2000
requires a 3 amp supply for the control
circuit. This 3 amp supply must be
provided via a fused 3 amp double pole
isolator providing 3mm of separation
to both poles.
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Page 12