Fondital NIAS BTN 28, Инструкция по установке, эксплуатации и обслуживанию

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3.5 Wiring diagram
3.5.1 Practical connection diagram / Modulation board – NIAS BTN/BTFS 24-28
T
rai
n
“
low
”
T
rai
n ”
h
ig
h”
modulating TA
on/off TA
black
orange
black
blue
brown
yellow/green
bl
ac
k
brown
green
green
blue
blue
-green
-green
-white
-white
-white
-white
yellowgreen
brown
blue
red
green
white
ign
it
ion
boa
rd
T
N v
e
ri
s
on
TF
S verison
V
M
C
veri
s
o
n
on
ly
brown
blue
yellow/green
Power su
ppl
y
2
30 V
–
5
0 H
z
Power supply
230 V – 50 Hz
CH
DHW
A1...A6 = Utilities connectors
AG = Anti-freeze
DK = Low water pressure safety switch
E/I = Summer/Winter switch
IG = Main switch
LL = Power on light
MD = Modulation coil
MVD = Three-way valve motor
P = Pump
P1 = CH output regulator (factory-set)
SR = CH probe
SS = DHW probe
TA = Room thermostat (optional)
TF = Flue gas thermostat
Ignit
io
n
train
of
f
Ignit
io
n
train
on
Na
tural gas
LPG
Pu
mp “p
os
t-circu
la
ti
on”
Pu
m
p
i
n
c
o
n
ti
n
uous
TA
Ni
ght
grey
blue
white
red
white
brown
white
white
brown
blue
pic. 22