Ferroli OMNIA M 3.2 Manual De Instalación Y Del Propietario página 144

Bomba de calor reversible para instalación exterior con compresor dc inverter
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5) For
Pumpc and DHW pipe pump :
CN11
Power supply
7 5 3 1
A1
KM3
A2
8
6
4
2
CN11
Power supply
7 5 3 1
KM7
8
6
4
2
P-d
Voltage
Maximum running current(A)
Wiring size(mm
2
)
Control port signal type
a) Procedure
Connect the cable to the appropriate terminals as shown in the picture.
Fix the cable reliably.
6) For room thermostat:
Room thermostat type 1(High voltage): "POWER IN" provide the working
voltage to the RT, doesn't provide the voltage to the RT connector directly. Port
"15 L1" provide the 220V voltage to the RT connector. Port "15 L1" connect
from the unit main power supply port L of 1- phase power supply.
Room thermostat type 2(Low voltage) : "POWER IN" provide the working
voltage to the RT.
NOTE
There are two optional connect method depend on
the room thermostat type.
Room thermostat type 1 (High voltage):
3 4
15
CN11
3
15
4
HEAT(H)
L1
COOL(C)
POWER
IN
RT1
25 26
27 28
9
1 2 3 4 5
29 30 31 32
21
6 7 8 9 10
CN7
CN30
Pumpc(zone2 pump)
25 26
27 28
12
1 2 3 4 5
24
29 30 31 32
6 7 8 9 10
CN7
CN30
A1
A2
DHW pipe pump
CN5
220-240VAC
0.2
0.75
Type 2
25 26
27 28
1 2 3 4 5
29 30 31 32
6 7 8 9 10
CN7
CN30
Method A
Mode set control
HEAT(H)
L1
RT1
HEAT(H)
POWER IN
RT1
zone1
Voltage
Maximum running current(A)
Wiring size(mm
There are three methods for connecting the thermostat cable (as described in the
picture above) and it depends on the application.
Method A
Mode set control
RT can control heating and cooling individually, like the controller for 4-pipe FCU. When
the hydraulic module is connected with the external temperature controller, user
interface FOR SERVICEMAN set ROOM THERMOSTAT to MODE SET
A.1 When unit detect voltage is 230VAC between C and L1 ,the unit operates in the
cooling mode.
A.2 When unit detect voltage is 230VAC between H and L1, the unit operates in the
heating mode.
A.3 When unit detect voltage is 0VAC for both side(C-L1, H-L1) the unit stop working
for space heating or cooling.
A.4 When unit detect voltage is 230VAC for both side(C-L1, H-L1) the unit working in
cooling mode.
Method B
One zone control
RT provide the switch signal to unit. User interface FOR SERVICEMAN set ROOM
THERMOSTAT to ONE ZONE
B.1 When unit detect voltage is 230VAC between H and L1, unit turns on.
B.2 When unit detect voltage is 0VAC between H and L1, unit turns off.
45
25 26
27 28
3
1 2 3 4 5
29 30 31 32
15
6 7 8 9 10
CN11
CN7
Method B
One zone control
POWER
IN
25 26
27 28
3 4
29 30 31 32
15
CN11
CN7
Method C
L1
Double zone control
COOL(C)
POWER IN
RT2
zone2
220-240VAC
2
)
0.75
CN30
1 2 3 4 5
6 7 8 9 10
CN30
0.2

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