Riello NexSirius, Instructions For The Installer And The Technical Service Centre

Page: 20 / 100

NExSIRIUS
20
EN
12 Wiring diagrams
Indoor unit without heating element
TWB Water temperature sensor
LWT Water temperature sensor
TC
Refrigerant sensor
WPM Pump motor
PCB Electronic circuit board
T Transformer
FS
Flow switch
SV Three-way valve
TMS Manual safety switch
CDU External unit
DHW Domestic hot water
A Brown
B Blue
C Black
R Red
W White
G Grey
Y Yellow
Y/G
Yellow / green
Continuous line: factory connections
Dotted line: field connections (for installer)
IT
12 Schemi elettrici
Unità interna senza resistenza
TWB Sonda temperatura acqua
LWT
Sonda temperatura acqua
TC Sonda refrigerante
WPM Motore pompa
PCB
Scheda elettronica
T Trasformatore
FS Flussostato
SV
Valvola a 3 vie
TMS Interruttore manuale di sicurezza
CDU Unità esterna
DHW Acqua calda sanitaria
A Marrone
B Blu
C Nero
R Rosso
W Bianco
G Grigio
Y Giallo
Y/G
Giallo / verde
Linea continua: collegamenti di fabbrica
Linea tratteggiata: collegamenti a cura installatore
Y
G
A
B
R
R
G
W
W
A
C
W
A
A
B
C
A
B
A
A
A
W
R
W O
G
G
B
C
B
Y/G
Y/G
Y/G
1WPM PE
1T
230V
12V
1TWB
1TC
1LWT
1FS
1 2
1TB
W C G Y 10 11 12
1TB
20 21 22 Rc Rh G2 Y2
1TB
1 2 3 4 5 6
1TB
7 8 N 13 14 15
MULTI
Pannello
comandi
Control panel
DHW
SENSOR
HIENERGY
RATE
1SV
BOOSTER
HTR
1CM
1
2
3
1CF
1
2
3
1TMS
1
2
*
1PCB
J6A.1
J6A.2
J6B.1
J6B.2
J6B.1
J6B.2
J18.1
J18.2
J11.7
J11.6
J11.5
J11.4
J11.3
J11.2
J11.1
1
J16.1
1
1
1
1
1
J18
J11
1
J16.2
J6A
J6B
J6C
J5.1
J16.3
J16
J5.2
J16.4
J5.3
J5
J16.5
J5.4
J16.6
J5.5
J20.7 J20.6 J20.5
1
J15.1
J15
J17.1
J17.2
J10.1
J20.4
J20
1
J10.2
J20.3
J17
J10.3
J20.2
J10
J10.4
J20.1
1
J10.5
1
J22.1
J10.6
J22.2
J22
J22.3 J22.4
1 2
1
3
J13.1
COMM
BOARD
4
J13.2
J13
5
J13.3
6
J7
1
J7.1
1
J2.1
J7.2
J2.2
J7.3
J2
J2.3
J7.4 J7.5 J7.6
J1.1
J1
1
J4
J4.1 J4.2 J4.3 J4.4 J4.5
J3
B
W
C
R
1TB
PE N 31
HEAT
COOL
DHW
ON/OFF
BOILER
CDU
Collegamenti a cura installatore / Field connections (for installer)
Da
Unità esterna
From
Outdoor unit