29
Hydraulic diagram with the reserve boiler,
connection of open and close circuits 1 – regulator,
2 – reserve boiler, 3 – U3 module (2 pcs), 4 –
switching valve (with limit switches), 5 – heat
exchanger (recommended settings: HUW mode =
No priority, Heat exchanger = ON.
Hydraulic diagram with the reserve boiler and the
4-way valve in close circuit 1 – regulator, 2 –
reserve boiler, 3 – U3 module, 2 pcs., 4 – switching
valve servo (with limit switches) - to ensure free
gravitational flow of water in the boiler circuit,
active cross-section of switching valve (4) has to
be larger than or equal to cross-section of boiler
circuit pipes. Use pipes of large cross section for
gravitational boiler circuit.
Electric diagram for switching valve of the reserve
boiler, where: 1 – regulator, 2 – reserve boiler, 3,4
– relay RM 84-2012-35-1012 RELPOL and base
GZT80 RELPOL, 5 – servo of switching valve.
12.13
Connection of alarm signaling
The regulator may announce an alarm
condition by activating external device (e.g.
bell or GSM device to send SMS). Alarm
signaling and reserve boiler control use the
same terminals, therefore, setting of the H
output for alarm signaling deactivates the
function of reserve boiler control. Connect
alarm annunciator through U3 module.
Connection of an external alarm annunciator 1 -
regulator - module A, 2 – external alarm
annunciator, 3 – relay RM 84-2012-35-1012
RELPOL and base GZT80 RELPOL.
Summary of Contents for ecoMAX 860P
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