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Once the pellet-fired boiler has been fired-up
and its temperature has exceeded preset
value e.g. by 25 C, ecoMAX810P3-L TOUCH
regulator stops reserve boiler (supplies 6VDC
voltage to terminals 30-31 of module B). Coil
of U3 module relay energizes and relay
contacts open. Once the boiler temperature
has dropped below the value set in the
parameter of
Reserve boiler deactivation
temperature,
regulator stops to supply
voltage to terminals 30-31, and reserve
boiler switches on.
Entry of regulator to OFF mode
causes the reserve boiler switches
on.
It
is
recommended
to
change-over
ecoMAX810P3-L TOUCH regulator to OFF
mode once the pellet boiler has failed and
there is a need to use reserve boiler. In OFF
mode, control of CH system is disabled
(mixer, HUW and boiler pumps and mixer
control are inactive).
Fig. 22 Hydraulic diagram with reserve boiler;
connection of open and close circuits 1 – regulator
ecoMAX, 2 – reserve boiler,3 – module U3,
4 – switching valve (with limit switches), 5 – heat
exchanger - recommended settings:
HUW priority
=
OFF, CH pump =boiler pump = YES
.
Fig. 23
Hydraulic diagram with reserve boiler and
4-way valve in close circuit. 1 – regulator ecoMAX,
2 – reserve boiler, 3 – module U3, 4 – switching
valve servo (with limit switches)
Fig. 24
Wiring diagram of control of switching valve
in reserve boiler. 1 – ecoMAX810P3-L TOUCH
regulator module B, 2 – reserve boiler, 3 –
module U3, 5 – switching valve servo (with limit
switches).
13.14
Connection of alarm announcing
Regulator may announce alarm conditions by
activating external device (e.g. bell or GSM
device to send SMS).
B
Summary of Contents for ecoMAX810P3-L TOUCH
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