Internal Unit Construction Features; External Unit Construction Features; Electrical Diagram - Ariston Nuos Split Flex 150L Manual

Heat pump water heater – TECHNICAL INFORMATION FOR INSTALLERS

2.2 Internal unit construction features

fig. 1-2.

2.3 External unit construction features

fig. 3.

2.4 Electrical diagram

fig. 4.
FIG.1 MODEL 150 LITRES
A 750
B 500
C 1200
D Outlet hot water 3/4" pipe
E Inlet cold water 3/4" pipe
F Outlet gas pipe 3/8 "
G Inlet gas pipe 1/4 "
H Battery housing
Housing electrical connections and heating
I
element
L Interface board
M Condenser
N Wall brackets
FIG.2 MODEL 270 LITRES
O Battery housing
P Interface board
Q Condenser
R Inlet cold water 3/4" pipe
S heating element housing
T feets with adjustable height
U Inlet gas pipe 1/4 "
V Outlet gas pipe 3/8 "
Z Electrical connections housing
Y Outlet hot water 3/4" pipe
A Fan
B Electrical connections housing
C Gas connections
D Gas connections housing cover
E Hole for condensation drain
SYMBOL
A Power supply, cable not supplied with the product
B Batteries
C Interface board
D Heating element
E NTC sensor for heating element zone
F Impressed current anode
Earth connection
H Serial connection board
I Mainboard
L Operation condenser
M Compressor
N Fan
O Defrost four way valve
P Safety pressure switch
Q NTC sensor for hot water pipe zone
R NTC sensor for evaporator and inlet air
S Probe connection cable, supplied with the product
T Electronic filter
EDF HCHP signal (EDP) – cable not supplied with the
product
36
MODEL 200 LITRES
1050
800
1520
DESCRIPTION