Eden RCE10E Installation And Use Manual - R C E 1 0 E
TEMPERATURE CONTROLLER FOR FAN COIL UNIT
R A N G E
R C E 1 0 E
I N S T A L L A T I O N A N D
U S E G U I D E
No sensor, set:
Parameter 2= 2 pipes + 1 sol.v
Parameter 9= manual
Parameter 10= absent
For automatic Summer/Winter switching, set:
Parameter 2= 2 pipes + 1 sol.v.
Parameter 9= H2O/Cont
Parameter 10= S/W switching
For acknowledgment of fan activation only, set:
Parameter 2= 2 pipes + 1 sol.v.
Parameter 9= manual
Parameter 10= fan ack.
2.4.3 Digital inputs (clean contacts necessary)
Digital inputs 16-17-18 may be paralleled with other products
provided all the polarities are strictly observed.
Economy Function (M15 and M17).
open contact = comfort status.
The temperature is adjusted according to the position of knob A.
closed contact = economy status (Heating = value set with the knob
-4°C/ cooling = set value +3°C).
A timer may be connected to
the input to make this function automatic.
Window contact (M15 and M18).
closed contact: the valve(s) close(s), the fan stops and the heating
element switches off thereby saving energy, The anti-freeze function
remains active.
open contact: normal operation (comfort)
A timer may be connected to inputs M15 and M18 to make this function
automatic.
The function of the contact may be reversed (see parameter 5)
Summer/Winter switching (M15 and M16).
This input is used for the centralised Summer/Winter switching rather
than manual selection using the switch E.
To activate the function it is necessary to set:
Parameter 9= H2O/Cont and
Parameter 10= Absent
If these parameters are not configured in this way, the input is
ignored.
open contact: heating mode (WINTER)
closed contact: cooling mode (SUMMER).
2.4.4 Outputs
Fan (M4 - M5 - M6 - M7):
For fan with three speeds, 230 Vac, 50-60 Hz
Maximum current: 3 A
Heat valve (M3 - M4):
for actuator control at 230 Vac, 50-60Hz
with regulation: ON-OFF, PWM, HEAT (parameter 4)
Cool valve (M2 - M4):
for actuator control at 230 Vac, 50-60Hz with regulation: ON-OFF,
PWM, HEAT (parameter 4). The maximum current absorbed by the
actuators must be 0.8 A.
Auxiliary output (M1 - M4): an electric heating element may be
connected to this output (through a power relay) to boost the heating
function obtainable with the heat exchanger of the fan coil.
It may control a load at 230Vac, 50-60 Hz.
The absorbed current must be between 10 mA and 0.8A inclusive.
The following may be connected as an alternative to the heating element:
A humidifier
A motor for external air intake damper
A motor for the fan coil airflow outlet louvers
To enable the function, see parameter 6.
2.4.5 Anti-freeze function
The anti-freeze function is always active. When the room temperature
falls below 4°C, the heat valve opens thereby preventing any damage
to the water circuit. This function does not enable the fan.
IThe thermostat controls ventilation in an intelligent way in order to:
prevent frequent changes in speed
avoid unwanted ventilation
prevent condensation or overheating of the systems
2.5.2 Destratification cycle
When ventilation is thermostat-controlled, upon reaching setpoint a
destratification cycle is activated to improve the precision of adjustment.
The fan operates for 2 minutes at minimum speed every 15 minutes.
2.6.0 APPLICATIONS
2.6.1 2-pipe fan coil control
(cooling + heating with water coil and regulating valve+ possible additional
heating element) - Fig. 10. Set Parameter 2= 2 pipes + 1 SOL.V.
The control commands an electrothermal actuator and the fan coil fan.
The actuator must be connected to terminals 3-4.
The fan is controlled as indicated in paragraph 2.6.1
If a heating element is connected to the auxiliary output terminals (M1
M4), the heating element activates in the heating mode to boost
heating when the selector switch E is in the heating element position
and Tamb 2.6.2 2-pipe fan coil control (cooling with water coil and regulating valve, heating with electrical heating element only) - Fig. 11. Set Parameter 2= 2 pipes with heating by elect. heat. el. only. For cooling, the control commands an electrothermal actuator. For heating, the control commands a heating element. The actuator must be connected to terminals 2-4. The electrical heating element must be connected to terminals 3-4. The fan is controlled as indicated in paragraph 2.6.1. If a second heating element is connected to the auxiliary output terminals (M1 M4), the heating element boosts the main element in the heating mode when the selector switch E is in the heating element position and Tamb 2.6.3 4-pipe fan coil heating and cooling control (+ 2 heat/cool regulating valves) - Fig. 12. Set Parameter 2 =4 pipes + SOL. V The cooling/heating switching may be automatic, manual or centralised. Automatic switching with neutral area. 2.5.0 METHODS OF CONTROL 2.5.1 Fan Fan operation is regulated to ensure a correct flow of heated (or chilled) air during the various operating phases. Fan operation may be: Thermostat-controlled: when set point is reached, the fan switches off. Continuous: the fan is always active, even when setpoint is reached. The fan speed may be: Constant: the selector switch D is put to position 1 or 2 or 3. Automatic: the selector switch D is put to position A. In this case the speed changes automatically in relation to the room temperature, as indicated in fig. 9. Fig. 9 FAN 1 FAN 2 FAN 3 NEUTRAL BAND TEMPERATURE SET POINT HEAT SET POINT COOL SET POINT FAN SPEED HEAT PROPORTIONAL BAND COOL PROPORTIONAL BAND 0 1 2 3 6