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4.9.3 Providing a load shedding circuit
If the device is to have priority in connection with
other consumers such as electric storage heaters, a
special load shedding relay (accessory BZ 45L21) is
required. Only electronic load shedding relays guar-
antee proper functionality.
In this type of installation, the secondary device is
switched off when the primary device starts
NOTE
If installed with other devices, the instantaneous
water heater can only be used as the primary device.
The instantaneous water heater cannot be used as the
secondary device (AUX).
Secondary device connection
Load shedding principle
EN-16
Remove link cable J1 to activate "load shedding relay"
mode in the electronics of the device, see table below.
Load shedding relay
Deactivated
=> default setting
Activated
=> function of the instantaneous
water heater has priority over
other consumers
6721873500 (2023/07)
DEE 1521, DEE 2127
Link cable J1
www.dimplex.de
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