Unical ALKON 50 kW - Page 35

35
Instructions for the installer
Boiler pump at constant flow rate (optional cod. 00361321 ALKON 50)
Modulating pump (optional cod. 00361320 ALKON 50)
P
YELL-GREEN
LIGHT-BLUE
BROWN
*
VM
LIGHT-BLUE (N)
12
BROWN (L1)
3
ALIM.
230V
BROWN
LIGHT-BLUE
PM
YELL-GREEN
LIGHT-BLUE
BROWN
VM
LIGHT-BLUE (N)
12
BROWN (L1)
3
ALIM.
230V
BROW N
LIGHT-BLUE
MVD
RED
GREEN
1
3
2
BLUE (-)
BROWN
BLUE (-)
DK
WHITE
BROWN
P
LIGHT-BLUE
BROWN
YELL-GREEN
P = Boiler pump at constant flow rate, controlled
via an ON/OFF Room thermostat
P * = Boiler pump at constant flow rate, controlled
via the heating controller E8.