31
R1K 75 - RAD - ING - Man.Inst. - 1901.1_
SK.2
_con_PA_AHS
1 Coll
egamenti
el
ettrici
opzionali_MIAH4_R1K
100_no
PM_EN
3. INSTALLATION
INST
ALLER
To wire the optionals below:
• (TP) DOMESTIC HOT WATER PRE-HEATING
DEACTIVATION TIMER
• (CT) TELEPHONE DIALER
• BUS 0-10V
use the MASTER electronic board placed inside the
GREY control panel as follows:
DANGER
Cut off the voltage from the main switch.
› remove the boiler's front casing (refer to chapter
ACCESSING THE BOILER).
› remove the crankcase of the control panel (see
chapter ACCESSING THE MASTER ELECTRONIC
BOARD).
› after removing the crankcase, connect the items
below to the electronic board (see fig. 1):
After performing these operations, remount the
crankcase and the front casing.
TP
CT
BUS 0-10V
GND
BUS+
11
10
9
8
7
12
13
14
15
16
17
M12
M9
M7
M5
M2
M4
M8
M10
M15
M16
1
2
3
4
57
61
60
59
58
44 43 42 41 40 39 38
37 36 35 34 33 32
31 30 29 28
27 26
MIAH4
62
63
64
65
66
67
68
51
52
53
54
55
56
5
6
M13
M14
ar
ar
ne
ne
ce
ma
COD.40-00133
fig. 1
GR: GREY
OR: ORANGE
BL: BLACK
BR: BROWN
BLU: LIGHT
BLUE
RE: RED