(8)
Input - grid supply 1x 230V network, spring-loaded terminal 1.5 - 2.5 mm
2
CAUTION!
Danger due to contact with live, stripped wires
A short circuit can be triggered and damage the device.
▶
Carry out all connection work in accordance with the applicable electrotech-
nical guidelines and regulations.
▶
Observe the maximum stripping length of 10 mm.
▶
When connecting the phases, tie the individual wires together with a cable tie
immediately before the terminal.
(9) Residual-current circuit breaker
(10) Automatic circuit breaker max. B16A
The Ohmpilot can also control a circulating pump in a heating system in parallel
to a heating element via the floating contact of the device control. This is pos-
sible with all circulating pumps that have an auxiliary relay.
The designation of the floating contact on the Ohmpilot is NC W NO. When the
contact is activated, the switching rocker (W) switches from the "normally open"
(NO) position to "normally closed" (NC).
In heating mode, this contact is activated and the circulating pump runs as
"HEATER 2" in parallel to the heating element, which is operated via the "HEAT-
ER 1" output.
To prevent the auxiliary relay of the circulating pump from switching on and off
continuously in case of low or fluctuating PV power, the Ohmpilot is equipped
with a delay. This has a positive effect on the wear and service life of the relay
and the pump.
Settings in the
menu area
General settings, symbolic representation
1
Open the Ohmpilot user interface (see section Establishing the data connec-
tion).
2
Under HEATER 1, select "Automatic".
36
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