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L
N
230Vac
50Hz
Q1
PE
PE
L
N
4
5
6
7
PE
ECM BLAC board
DFS-/DFS+
DFS-
DFS+
0V
10V
0-10Vdc
ECM
N
L
PE
1 Vdc =
5 Vdc =
10 Vdc =
8
9
10
11
12
13
14
15
MFC
U / V / W
M
U
V
W
3
T1
T1
T1
PE
COMANDI
E SCHEMI ELETTRICI
LEGENDA
MFC = Morsettiera
del FAN COIL
M
= Motoventilatore
E
= Valvola acqua
(IMPIANTO A 2 TUBI)
E1
= Valvola acqua CALDA
o resistenza elettrica
E2
= Valvola acqua FREDDA
= Estate - aria fredda
= Inverno - aria calda
CH
= Cambio
stagionale esterno
NTC
= Sonda NTC
Q1
= Sezionatore con un polo
PE
protetto da fusibile
(raccomandato)
T1
= Sonda aria
T3
= Sonda di minima NTC
(Optional cod. 3021090)
EH
= Resistenza Elettrica
F
= Scheda
Filtro elettrostatico
GNYE = Giallo/Verde
RD
= Rosso = Minima
OG
= Arancio = Media
BK
= Nero = Massima
BN
= Marrone
BU
= Blu
WH
= Bianco
GN
= Verde
YE
= Giallo
• Impianto 2 tubi
(1 valvola)
A
• Termostatazione
sulla valvola
• Impianto 2 tubi
B
(1 valvola)
• Solo raffrescamento
• Impianto 4 tubi
(2 valvole)
C
• Termostatazione
sulle valvole
38
ELECTRICAL
CONTROLS AND
WIRING DIAGRAMS
LEGEND
MFC = Fan coil
terminal board
M
= Fan
E
= Water valve
(two tube unit)
E1
= Hot water valve
or electrical heater
E2
= Cold water valve
= Summer - cold air
= Winter - warm air
CH
= External season mode
switch-over
NTC
= NTC thermostat
Q1
= Circuit breakers
with one pole protected
by fuse (recommended)
T1
= Air probe
T3
= NTC Low temperature
cut-out thermostat
(Optional code 3021090)
EH
= Electrical heater
F
= Electronic filter
GNYE = Yellow/Green
RD
= Red = Low
OG
= Orange = Medium
BK
= Black = High
BN
= Brown
BU
= Dark blue
WH
= White
GN
= Green
YE
= Yellow
• 2-tube installation
(1 valve)
A
• Thermostatic control
on the valve
• 2-tube installation
B
(1 valve)
• Cooling only
• 4-tube installation
(2 valves)
C
• Thermostatic control
on the valves
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