ONLY FOR ATW CONTROL
NB:
DIGITAL INPUT SA1 NOT SUPPLIED AND FOR ATW CONTROLLERS ONLY
RELAYS KAE AND KAI ARE NOT SUPPLIED (230 VAC COIL)
TS
1
W
A
T
E
R T
E
MP.
SENSO
R
LEG
E
ND:
AT
W
W
a
ll-
m
ount
ed En
viron
m
ent
T
hermos
tat
KAE Cool
ing
relay
KAH Heat
ing
relay
iMT
W
W
a
ll-
m
ount
ed
En
vironm
ent
T
hermos
tat
Q
M
1 T
h
ermo
m
agnet
ic
sw
it
ch
SA1 Mult
if
unct
ion
cont
act
T
S
1 W
a
te
r
te
m
perat
ure
sensor
1
Y
V
E Cooling
v
a
lv
e
Y
V
H
Heat
ing
v
alv
e
H
N
L
V2
L
V1
M
a-CH
D
6
06÷2
2
09
(1)
QM
N
UP
E
230V~50Hz
2
1
7
6
3
4
5
12
13
TTL
AT
W
- MTW
SA
1
H
N
L
V2
L
V1
M
a-CH
D 6
06÷2
2
0
9
(2
)
H
N
L
V2
L
V1
M
a-
C
H
D
60
6
÷
2209
(3)
KAE
KAH
KAE
KAH
KAE
KAH
KAE
KAH
N
N
N
YV
E
YV
H
Y
VE
YVH
YV
E
YV
H
8
9
28
EN
ELECTRICAL CONNECTION
Installation
Multiple connection cassette fan-coil with wall-mounted controls
For electrical connections of CHD cassette fan-coil refer to following electrical diagrams. Do not refer to wiring dia-
grams present on instruction sheet of wall-mounted controls.
a-CHD 606÷2209 + ATW - MTW
