- 17 -
Switched Supply Terminal Block
Fig. 9b
L
N
SINGLE
SUPPLY
EARTH
Single Mains Supply
Available fi xed charge times must be manually programmed into the heater to tell it when to charge; no external
timers or contactors are needed. Up-to 4 digital charge times can be set.
If charge times are not programmed into the heater, the default times will be used which are set-up by default to
support dual-supply installations: 00:00 – 00:00 or 24h charge window.
A 24h charge window in a single supply installation will cause the heater to charge continuously,
including times when o -peak electricity is not available, resulting in larger bills.
NOTE:
The property energy supplier should be consulted to confi rm that the meter and tari is suitable for
single supply storage heating
Single Supply requirements
O ine / Standalone Installation
This kind of installation relies on the property having a fi xed time period, o -peak energy tari with ‘whole home
switchover’ whereby all wiring in the property utilises the o -peak rate when available.
The brown wire connected to Live
The blue wire connected to Neutral
NO CONNECTION
NO CONNECTION
NO CONNECTION
Rewire the link wires as
shown in image
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