ENGLISH
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NT_51897201_RHE-AN_130516.docx
switch
Signal
Variable
Name
Description
21-22
DI1
Free
Logic input not assigned
23-24
DI2
filter pressure guards
Monitoring of the filters cleanliness condition
25-26
DI3
Over heat control
Monitoring of the safety thermostats triggering in case of an
overheating of the electric battery
27-28
DI4
Change-over
Thermostat
Monitoring of the water circuit inlet temperature to select
the hot/cold mode of the reversible battery
31-32
DI5
On/Off system
Request to start or stop the system
Note :
Stop has priority over the clock, which should be for one
33-34
DI6
High speed demand
on fan
Request to start at maximum speed
Forcing has priority over the clock
35-36
DI7
Fire alarm
37-38
DI8
Heat exchanger
rotation control
rotation control by tachometer
(belt monitoring)
B-A
bus
Communication bus of the fan motors
Request to select the unit in fire mode
(see chapter for explanation about this operating mode)
Logical Input (control and safety guard) :
those input may only wire to voltage free contacts
D
switch
Signal
Variable
Name
Description
SA1 (24V-Gnd)
0-10V
AO1
Heat
0-10V proportional control of the heating request
SA2 (24V-Gnd)
0-10V
AO2
Exchanger
0-10 V proportional control of the exchange/bypass request
SA3 (24V-Gnd)
0-10V
AO3
cooling
0-10 V proportional control of the cold request
SA4 (24V-Gnd)
0-10V
AO4
Supply air fan
0-10 V proportional control of the supply air fan
SA5 (24V-Gnd)
0-10V
AO5
Exhaust air fan
0-10 V proportional control of the extraction fan
Analogic output (control) :
to dampers actuators, external coils…
switch
Signal
Variable
Name
Description
KM1:
DO1
Supply air fan
12-11-14
Ou
N-L-on
230V
KM2:
DO2
Exhaust air fan
Information carryover of the extraction fan control
12-11-14
KM3
DO3
Exchanger
Start control of the heat exchanger
KM4
DO4
Recirculation damper
actuators
Start control of the mixing register
12-11-14
/
24Vac
DO5
Free
Logic output not assigned
/
24Vac
DO6
Alarm
Alarm information carry over (for class A or B alarm)
41-42
24Vac
DO7
Heat
PWM control for the electric battery triac.
Control output for the fresh air register servo motor
Available :
- either for use of a 230 V register with a control by 230 V signal
(on terminal) and a 230V power supply (L-N)
- or by a dry contact for a general usage
Logic output (actuator and info report) :
les contacts sont libres de potentiel
14
12
1 4
1 2
14
12