Mitsubishi Electric Climaveneta i-BX-004-013M Installation, Operation And Service Manual page 27

INSTALLER CONNECTIONS
Radiant panel zone management
The NADI controller can manage a low temperature zone for
radiant panel systems.
The unit is configured to manage a 0-10V mixing valve,
23 24 20
Heat pump
outlet
1
Heat pump
return
SA9 Dehumidifier
A dehumidifier can be activated in radiant panel systems to
reduce humidity in cooling mode. The contact closes and
the dehumidifier is activated when the humidity measured
by the probe on the A5 room controller exceeds the value
set for parameter 0172. The contact must be configured
accordingly by setting parameter 011B = 1.
Description
SA9 contact configuration
- DHW RECIRCULATION
- DEHUMIDIFIER
- AT1 PUMP
- SUMMER/WINTER
Relative humidity set point
The menus corresponding to dehumidifier operation are only
visible if low temperature zones have been configured.
SA9 + SA7
Domestic hot water recirculation
The domestic hot water recirculating pump can be activated
when contact SA7 closes (terminals 25-32).
Contact SA7 can be connected to a timer, switch or flow
switch for activating the circulating pump.
Description
SA9 contact configuration
- DHW RECIRCULATION
- DEHUMIDIFIER
- AT1 PUMP
- SUMMER/WINTER
- DHW FLOW-SWITCH
- BOILER BACkUP
- DEHUMIDIFIER
Recirculating pump activation time
Contact SA9 rating, 1 A.
25 35
230V 50Hz
N
3
2
Y1 N
GND L
4
M
5
Menù Parameter Value to be UOM
no. set
Mn01 011B DEHUMIDI-
FIER
Mn01 0172 60
Menù Parameter Value to be UOM
no. set
Mn01 011B DHW RECIR-
CULATION
Mn01 011C DHW FLOW-
SWITCH
Mn02 0201 5
a circulating pump and a manifold temperature probe.
The operating modes are described in the chapter on "Con-
trol and operating characteristics"
Contact 20 rating, 1 A.
21
-
N
rH%
SA9
21 25 32
-
SA7
-
min
SA7 esempio con orologio programmatore
6
36 37 38
GND TxRx +
1 Storage tank
2 0-10V mixing valve YV4
3 Radiant panel circuit pump E3
4 Radiant panel outlet probe BT10
5 Safety thermostat
6 Zone 1 remote keypad
Dehumidifier
230V 50Hz
N
EN i-BX-(Y)_i-BX-N-(Y)
U I A
TxRx - N L
230/1/50
27