Ariston NUOS PLUS 250 TWIN SYS User Manual

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ELECTRICAL WIRING
3
4
14
13
1
2
15
12
17
7
10
16
11
5
6
18
8
9
CN1 CN12
CN10
CN4
CN15
CN3
CN14
CN17
CN2
CN6
CN13
CN11
CN14 CN13
CN7
CN4
CN1
CN3
CN8
CN2
CN6
CN11
CN10
CN12
B A
A
CN15
F
DISCH
COND
BLUE and PURPLE
GAS
EVAP
AIR
4
6
2
WHITE (1000W)
BROWN (1500W)
BLUE
E
FILTER
220-240V
C
AUX
Green
Yellow
Orange
Red
Brown
Black
S
C
R
B
WHITE
BROWN
BLUE
BROWN
BLACK
BLACK
C
D E
F
CN9
D
N
L BROWN
BLUE
YELLOW/GREEN
EBUS
CONNECTOR
SG1
SG2
FUSE
1 Power supply (220-230V 50Hz)
2 Mainboard (motherboard)
3 Interface board (display or HMI)
4 Connection board
5 Hermetic rotary compressor
6 Operation condenser (15μF 450V)
7 Hot gas valve
8 Condenser fan
9 Fan
10 Earth pole
11 Pressure transducer
12 Air/Evaporator/Suction NTC temperature probes
13 Electric heating element (*)
14 Impressed current anode
15 Bottom NTC temperature probe (heating element zone)
16 Top NTC temperature probe (hot water)
17 Safety pressure switch
18 Filter
4
BLACK/
NOIR
EGUOR/DER
BROWN/MARRON
2
BLUE/BLEU
BLUE/BLEU
WHITE/BLANC
BROWN/MARRON
RED/ROUGE
YELLOW-GREEN/
JANUE-VERT
/KCALB
RION
YELLOW-GREEN/
JANUE-VERT
YELLOW-GREEN/
JANUE-VERT
YELLOW-GREEN/
JANUE-VERT
6
5
2
* Possible configurations of the heating element

Ariston NUOS PLUS 250 TWIN SYS Specifications

General

Brand	Ariston
Model	NUOS PLUS 250 TWIN SYS
Category	Water Heater
Language	English