Check Operation Of The Immersion Heaters; Demonstration To User - Heatrae Sadia ELECTROMAX Installation & Servicing Instructions Manual

7.8 Check Operation of the Immersion
Heaters
a. The Off-Peak immersion heater is
controlled by the Off-Peak electrical
supply and will only switch on during
Off-Peak supply periods as defined by
your electricity supplier (refer to Table
2, page 19 for Off-Peak on times).
b. Switch on the Off-Peak electrical
supply MCB and isolating switch.
c. Switch on the Domestic Hot Water "on"
switch (indicated by a "tap" symbol,
see Diagram 19, page 25). The switch
should be illuminated when on.
d. Press the DHW Boost switch (indicated
by a "tap" symbol followed by "+1 hour",
see Diagram 19, page 25). The DHW
Boost indicator should illuminate.
e. The DHW Boost immersion heater
should only operate for a period of one
hour or until the set temperature on its
control thermostat is reached. After
one hour the DHW Boost indicator light
will go out.

7.9 Demonstration to User

Following Commissioning any panels or
covers removed must be replaced and fully
secured in place. The system, its function and
control should be fully explained to the user.
This must include:
a. DHW supply –
Explain how the complete cylinder is
only heated by Off-Peak electricity.
Explain how a one hour DHW boost
can be obtained if a day time top up
is required.
b. Central Heating –
Explain how the central heating system
works.
E x p l a i n t h e o p e r a t i o n o f t h e
Programmable Room Thermostat
and the settings that have been
programmed.
26 Installation & Servicing Instructions
Explain how the Programmable Room
Thermostat can be over-ridden if
required.
c. System malfunction –
Explain what to do if the system
malfunctions or the "Alarm" indicators
are illuminated.
d. System maintenance –
Explain the necessity for the system
to receive regular maintenance to
ensure its continued safe and efficient
operation.
e. User Instructions –
Hand over the Electromax Installation
Instructions, the Danfoss TP 5000
Installation and User Instructions and
the Electromax User Instructions.