US FLOOR / FLOOR
Minichiller inverter Duo
15
7.4.1 Hydraulic circuit
To
th
e
pl
an
t
Fr
om
th
e
pl
an
t
Plant side P
uff
er
FM
R
R
INDOOR UNIT HYDRONIC CIRCUIT (model: MARP/MARPS)
7
3
4
5
6
1
2
FS
Diverter valve
P
P
T P
D
Ga
s p
ip
e
Liq
ui
d
pi
pe
DHW technical
side P
uff
er
Fr
om
th
e
bo
ile
r (
KC
AC
S
ki
t)
To
th
e
bo
ile
r (
OPTION
AL
)
To
th
e
DH
W
-R
u
ti
lit
y
W
at
er
sup
pl
y
in
le
t
To
so
lar
p
la
nt
(m
od
. FLOOR-
S)
Fr
om
so
lar
p
la
nt
(m
od
. FLOOR-
S)
Exchanger
R410A/water
Key
Circulator pump
FS
Flow switch
FM
Flow meter
3 bar relief valve
8 liters expansion vessel
Air vent valve
Y
-
fil
ter with metallic
mesh
of
1000µ
Temperature sensor
R
Optional
auxiliary electric
heater with double
protection th
ermostat
Check valve
Manometer 0-6 bar
Dial thermometer
Flow regulator valve
1 Heat exchanger inlet
sensor
2 Heat exchanger outlet
exchanger
3 DHW technical side
sensor
4 Primary circuit inlet sensor
DHW-R
5 Secondary circuit sensor
DHW-R
6 Secondary circuit outlet
sensor DHW-R
7 Solar management sensor
(models MRS – FLOOR-S)
