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Summary of Contents for REC RT 400S-EC-RS
- Page 1 Ventilation Unit RT 250/400S-EC-RS Technicians Manual INSTALLATION & ADJUSTMENT OPERATION & CONTROL Exhaust air filter, article No: Q120101 Supply air filter, article No: Q120100 REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se...
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Page 2: Table Of Contents
Supply air controller Room controller Exhaust air controller Zone control Pre-heat controller 2.5. PID output Heating, Bypass, Cooling Pre-heater Duct heater 2.6. ECO/ECO2 ECO-mode ECO2-mode ECO adjustment Fault safe mode REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se... -
Page 3: Installation & Adjustment
The unit must be placed so that it cannot be flushed with water during operation. As an option, the unit can be provided with protection that allows the installation to withstand IP class X5. REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se... -
Page 4: Silencing
Temovex unit. The cover is telescopic and will fit ceiling heights between 2,30 - 2,70 m. We recommend a gap of 5 mm between ceiling and duct cover to avoid any transfer of vibrations. REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se... -
Page 5: Access To Connection Terminals
The bottom card can now be reached and set up with required functions. The printed circuit board screen print. REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se... -
Page 6: Circuit Diagram
Ventilation Unit RT 250/400S-EC-RS INSTALLATION & ADJUSTMENT Circuit Diagram REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se... -
Page 7: Terminal Description
ECO mode. NOTE! When using ECO Remote, DO6 must be Electric heater, control signals (Terminal J4) configured for Normal flow, DO7 for Sum alarms and DI2 to ECO. REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se... -
Page 8: Connection Options
In this example, DI2 is selected. Connection of ULS, KAVK, CP-heating etc. (230V) Brown Blue KAVK Yellow/Green CP-heating Connection according to above, on any output DO4-DO7 and selected output configure to selected function. REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se... -
Page 9: Modbus
Please note! The configuration of inputs and outputs should be in this order for the display to work: DO6 - Normal, DO7 - Alarm, DI1 - ECO, DI2 - Forc REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se... - Page 10 J6/1 J6/2 J10/3 J10/4 Connection Internet (Cloudigo) Connect an internet cable to DUC as on picture. Pull out the cable through a suitable lead-through on the top of the unit. REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se...
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Page 11: Operation & Control
__________ V/s 2.3.2.2. Extract air fan 25 % __________ % Normal 55 % __________ % Boost 85 % __________ % Kitchen 20 % __________ % Stove 20 % __________ % REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se... - Page 12 10 sec __________ - __________ % (0 – 100 %) Reg. area 67 - 87 % 2.7.1.3. When selecting "Water (0-10V)" 13,0 ˚C __________ ˚C (13 – 50,0 ˚C) Frost protection REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se...
- Page 13 ☐Room sensor, ☐Frost protection sensor, ☐TG-R4, Not active ☐Duct heater sensor, ☐Option temp 1, ☐Option temp 2, ☐Option temp 3, ☐Option temp 4, ☐Temp after Exch, ☐SAF Pressure, ☐EAF Pressure, ☐Exch. Pressure, ☐CO2, ☐Humidity REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se...
- Page 14 ☐Smoke detector Not active ☐KAVK, ☐ULS, ☐Sum alarms, ☐CP heater, ☐CP chiller, ☐Normal flow, ☐Fire damper, ☐PWM preheat, ☐Stove, ☐Section hatch, ☐Sum alarm A, ☐Sum alarm B, ☐Sum alarm C, REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se...
- Page 15 Filter timer ☐No Activate Filter timer Number of days since start (Current value) __________ 2.23. Cloudigo ☐Yes Activate Cloudigo 2.24. Save settings Save current settings ☐Yes 2.25. User menu Temperature ☐Off REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se...
- Page 16 ☐B, ☐C, ☐Inactive Defrost failed B ☐A, ☐C, ☐Inactive ☐A, ☐B, ☐Inactive Hatch manual Autocalibration not finished ☐A, ☐B, ☐Inactive ☐A, ☐C, ☐Inactive Fire indication Smoke detector error ☐A, ☐C, ☐Inactive REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se...
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Page 17: Control Function
Demand setpoint should be the desired temperature in the room. 2.2.1.1.1. PI-settings temperature Setting of control parameters. 2.2.1.2. CO2-control Menu for setting the CO2 setpoint 2.2.1.2.1. PI-settings CO2 Setting of control parameters. REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se... -
Page 18: Fan Setup
The supply air regulator is indirect acting, i.e., the output signal increases with decreasing temperature. With the correct P and I parameter, the temperature at the supply air sensor will be kept constant at the set setpoint. 2.4.2. Room control REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se... -
Page 19: Pre-Heat Controller
ECO2 works just as well in ECO mode (when nobody home), as it does when you are at home and the unit is running at normal flow. · ECO2-boosting together with cooling can be turned off, if you want boosting together with heating only. REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se... -
Page 20: Activate Eco2 Cooling
No alarm is given in the absence of cooling. Screen view at boosting and ECO. At fan speed between min and normal: ECO. At fan speed normal: Normal. At fan speed between normal and boost: ECO2. REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se... -
Page 21: Fan Curve At Eco/Eco2
If there is a fault in the freeze protection sensor, this generates a freeze protection alarm and a sensor error alarm and both fans stop, outdoor air damper and bypass will close. The heat valve will open to its maximum and the circulation pump for heat will continue to run. REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se... -
Page 22: Exercise Of Valve
If you want to change this, set at what outdoor temperature, bypass will be allowed to open if necessary. There is also an adjustable hysteresis, to prevent the bypass from open and close all times, if the temperature is around 0 degrees (default setting). REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se... -
Page 23: Activate Ramptime
In the standard case the fans will run at the same speed (normal speed) all night long (22:00-06:00). In the morning boosting is allowed but still with a low set point (18 degrees) until the extended running time (4 h) has ended, which will be at 10:00h. REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se... -
Page 24: Conditions Night Cooling
If start and stop is the same, it could make the relay toggle all the time if the outdoor temperature happens to be the set value. If stop temperature is set lower than start temperature, the start temp will have priority as both start and stop temp. REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se... -
Page 25: I/O Configuration
That means a new menu (Stove timer) is available to the right. Configuring stove timer. Two different times are set at the stove timer, the ignition time and the after time. REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se... -
Page 26: Digital Outputs
Modbus via TCP is normally on but should be deactivated if you use a "public network" in cases where you connect the controller to the internet. This is to prevent outsiders from being able to read from the controller. Complete Modbus list can be obtained from REC on request. REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500... -
Page 27: Tcp/Ip
If a remote panel is ordered at the same time as the AHU, the configuration is done for remote panel at the factory. When ordering a remote panel as supplement later, the Modbus must be deactivated. Contact REC for help with this. -
Page 28: Zones
Press the right arrow and change to new alarm class. Tip: If you change an alarm from A or B to C, the alarm will be automatically acknowledged when the cause has disappeared. REC Indovent AB, Box 37, 431 21 Mölndal tel.031-675500 www.rec-indovent.se... - Page 29 Notes:...
- Page 30 Notes:...
- Page 31 Notes:...
- Page 32 Rec Indovent reserves the right to alter specifications and design without prior notice. REC Indovent AB Box 37, SE-431 21 Mölndal, Sweden Visiting address: Kärragatan 2 Tel: +46 31 67 55 00 Fax: +46 31 87 58 45 www.rec-indovent.se Certified according to ISO 9001/14001...
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