Installation Manual
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Thermostats
Nest Thermostat
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Power
supply
fo
r He
a
t L
ink
Zone valve (
MOMO)
Bo
iler
3A f
u
se
On
ly r
e
qui
re
d i
f yo
u ha
ve
existing thermost
at cables
L
N
230
V / 50
Hz
mains
12
V
p
o
w
e
r
to N
e
s
t
Thermost
at
Boi
le
r wit
h MO
MO z
one v
al
ves
Wir
ing spe
c
s
37
1
...
...
35
36
37
38
39
...
40
