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7216549.01 - en
INSTALLATION AND OPERATING MANUAL
10. WIRING DIAGRAMS
The system must be fitted with an ambient thermostat for controlling indoor temperature.
To connect this device, proceed as follows:
• Access the electrical components as described in paragraph 9.1.
• Remove the jumper on terminals (1) and (2) of the main terminal block (see wiring diagrams in § 11).
• Thread the two-wire cable through the grommets of the electrical box and connect it to these two terminals using a
harmonised cable “HAR H05 VV-F” 2 x 0.75 mm
2
with a maximum diameter of 8 mm.
11. CONNECTING THE ROOM THERMOSTAT
CR_0329 / 1103_2607
V3V
DHW
V3V
PRIMAR
Y
RELA
Y 1
RELA
Y 2
ON/OFF
BUTTON
AUXILIAR
Y
TERMINAL BLOCK
DHW FLOW
SWITCH
POWER SUPPL
Y
TERMINAL BLOCK
R.T
. CONNECTION
MAINS POWER SUPPL
Y
230V ~50Hz
FUSE
CABLE COLOUR
R=
RED
V
=
GREEN
G
=
YELLOW
G/V
= YELLOW/GREEN
M
=
BROWN
C
=
BLUE
B
=
WHITE
N
=
BLACK