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99
UTNC-EV REL 26÷111 + KTCVR
N
L
IG
230V-1ph-50Hz
3 2
4
1
2
1
6
5
4
3
N
PE
V
N L
H C LC
V2 V1
V3
1
2
F
F=1A t
ype F
A
Y/G
Y/G
TB
A
C
W
R
Y/G
A
B
O
B
G
1CM
1CF
3CM
3CF
1
3
5
PS
C
1
3
5
1LIV
2LIV
G
O
B
A
C
FS
FS
M
C
W
R
B
Y/G
CV
N
L
8
3 4 5 6 7
9 10
KTCVR
12
11
13 14
KR
7
8
3
5
1
1
2
1
2
V
B
C
A
B
C
C
R
C
ST2
ST1S
REL
ST2S
KV2/KV3
REL
C
ST1
J2
J1
KTCVR
Pannello di comando
REL
Resistenz a elettrica
KR
Relè resistenza elettrica
IG
Interrut tore aut omatico generale
ST1
Sonda temperatura aria
ST2
Sonda temperatura acqua
ST1S
Termost ato sicurezza resistenza 60°C
ST2S
Termost ato sicurezza resistenza 100°C
KV2/KV3
Val vola c alda/fredda
- - - -
Collegamento a c ura dell’installat ore
Note
:
Jumper J1 Chiuso = Sonda Aria ST1 Int erna
Jumper J1 Aperto = Sonda Aria ST 1 Es terna
Jumper J2 Chiuso = Impianto a 4 t ubi
Jumper J2 Aperto = I mpiant o a 2 tubi (2 t ubi + resist enza)
Riscaldamento
Raffreddament o
In pres enz a della resist enz a el ettrica non mont are il TM.
Impi ant o a 2 t ubi (2 tubi + REL) J umper J 2 aperto e s onda
acqua ST 2 a mont e val vola (se pres ent e).
Impi ant o a 4 t ubi J umper J 2 chi uso e sonda acqua ST 2 a valle
val vola c alda (s e pres ent e).
KTCVR
Control panel
REL
Electric heater
KR
Electric heating el ement relay
IG
Automatic general switc h
ST1
Air temperature probe
ST2
Wat er temperat ure probe
ST1S
Safet y t hermostat heat er 60°C
ST2S
Safet y t hermostat heat er 100°C
KV2/KV3
Hot/cold val ve
- - - -
Connection by the inst aller
Notes
:
Jumper J1 closed = Internal ST1 air sensor
Jumper J1 open = Exter nal ST 1 air s ensor.
Jumper J2 closed = 4 pipe s yst em
Jumper J2 open = 2 pipe s ystem (2 pipes + heating element).
Heating
Cooling
If there is an electrical heater do not i nstall t he TM.
2 pipe s yst em (2 pi pes + REL) Jumper J2 open and ST2
wat er sensor upstream from val ve (if pres ent).
4-pipe s ys tem Jumper J2 closed and water s ens or ST2
downstream from hot val ve (if present).