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Maico WRG 300 EC, Mounting And Operating Instructions

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Maico WRG 300 EC Mounting And Operating Instructions Download Page 35

 
 

34 

9.3 WRG 300 / 400 EC + RLS 2 F + 
WRH in the supply air channel 

Protection of a hydraulic heat register 
against frost damage. 

A hydraulic heat register must be protected 
against frost damage with a safety device. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1   =  Exhaust air  
2   =  Supply air 
3   =  Outgoing air 
4   =  Outside air 
 
R1   

Temperature sensor 

WRH  Water air heater 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for WRG 300 EC

Page 1: ...WRG 300 EC WRG 400 EC Mounting and Operating Instructions www maico ventilatoren com...

Page 2: ...4 Filter status display 8 5 Installation 8 5 1 General 8 5 2 Wall assembly 9 5 3 Connecting the channels 9 5 4 Connecting the condensation run off 11 5 5 Sound insulation 11 5 6 Electrical connection...

Page 3: ...ass 32 9 2 WRG 300 400 EC wiring diagram 33 9 3 WRG 300 400 EC RLS 2 F WRH in the supply air channel 34 9 4 Air power diagram 36 10 Technical data 37 11 Service 38 11 1 Exploded view of the WRG 300 40...

Page 4: ...nd an exact description in Chapter 4 The WRG 300 400 EC is designed for a maximum ventilation power of 300 400 m3 h at a resistance of 150 Pa in the channel system The minimum volumetric flow is 70 m3...

Page 5: ...people whose physical sensory or mental capabilities are not sufficient for them to understand and put into practice the safety information pro vided in these instructions This limita tion also applie...

Page 6: ...ire places for liquid or gaseous fuels and the air extracting equipment can be prevented or the extraction of exhaust gas from the air ventilated fireplaces is monitored by spe cial safety equipment T...

Page 7: ...n both air flows 4 Filter To filter both air flows 5 Sensor for outside temperature Measures the temperature of the outside air 6 Connection for condensation run off The condensation run off is connec...

Page 8: ...set filter status display 3 Increase parameter value button 4 Function button 5 Lower parameter value button The lefthand area of the display shows the ventilation level or the parameter type The righ...

Page 9: ...install the unit can be summed up as follows 1 Setting up the unit 2 Connecting the channels 3 Connecting the condensation run off 4 Electrical connection Connection of the room air control and the m...

Page 10: ...the rear of the unit Fix the holding plate 2 to the wall with suitable mounting material which is to be supplied by the customer Make sure it is horizontal Locate the edge protection profile 4 on the...

Page 11: ...isture barrier The exhaust air channel is to be fed through the roof shell such that no conden sation can build up in the roof shell The exhaust air channel between the WRG 300 400 EC and the roof out...

Page 12: ...he condensation This disconnects the ventila tion unit from the drainage system and it prevents a build up of germs at the unit Please note It is not permitted to install several siphons one after the...

Page 13: ...alled in line with local requirements The advice given in this manual must be observed The unit may only be connected to the mains power after the sup ply and exhaust air channels have been connected...

Page 14: ...Ventilation level 1 Reduced ventilation Ventilation unit runs perma nently at ventilation level 1 Ventilation level 2 Nominal ventilation Ventilation unit runs perma nently at ventilation level 2 Aut...

Page 15: ...14 6 4 3 1 2 5 5 7 Connections and dimensions of the WRG 300 EC 1 DN 160 outside air 2 DN 160 exhaust air 3 DN 160 outgoing air 4 DN 160 supply air 5 Condensation connection 6 Electrical connection...

Page 16: ...15 6 4 3 1 2 5 5 8 Connections and dimensions of the WRG 400 EC 1 DN 180 outside air 2 DN 180 exhaust air 3 DN 180 outgoing air 4 DN 180 supply air 5 Condensation connection 6 Electrical connection...

Page 17: ...ition of the three step switch Switching off at the operator unit Press the OK and buttons at the same time to switch the ventilation unit off OFF appears in the display Switch the ventilation unit of...

Page 18: ...have no function with the WRG 300 400 EC 3 Press the OK button for 1 second to display the value of the selected parame ter 4 The value of the selected parameter can be changed with the or buttons 5...

Page 19: ...ct on the trouble free operation of the ventilation unit these are located in a separate set of parameters for the installer This means that these parameters can only be modified by the installer Plea...

Page 20: ...and air extraction units always work with constant volumetric flow or whether they switch over to constant pressure operation if a par ticular resistance is exceeded I13 Filter message This setting d...

Page 21: ...Min keine Taste bet tigt wird Die Taste OK 1 s bet tigen Wenn 1 Min keine Taste bet tigt wird Parameterauswahl serienm ig U1 t m U8 Die Taste OK 1 s bet tigen um die ausgew hlte Parameter einstellung...

Page 22: ...splay reverts to the standard operation mode You can scroll through the menu with the button The button is only used to return to step 1 Set values cannot be changed in this menu 6 5 2 Calling up the...

Page 23: ...r fan is running in constant pressure mode C6 The outgoing air fan is running in constant pressure mode C7 Correction of the maximum air volume No 3 bP 1 No function No 4 tP 9 Outside temperature C In...

Page 24: ...le in section 6 6 3 Starting from operational mode the following steps are required for changing settings The example of changing parameter I7 from 1 to 0 is used here 1 Press button F for approx 3 se...

Page 25: ...er values can be changed now see steps 2 to 5 Con tinue with step 7 B Press the OK button to return to the settings menu without saving the modified value The previous value is retained Continue with...

Page 26: ...No function 5 20 10 U 5 No function 18 30 22 U 8 No function 0 1 0 I 1 Fixed imbalance 100 100 0 I 2 Contactless step 0 1 2 3 1 I 3 No function 2 3 2 I 4 Switch cable level 1 0 1 2 3 1 I 5 Switch cabl...

Page 27: ...itself The unit stays in fault mode until the corre sponding problem has been resolved Then the unit carries out an automatic reset Autoreset and the display reverts to opera tional mode The table in...

Page 28: ...ler Exchange the outgoing air fan it is defective F9 The sensor that measures the tem perature of the supply air is defective Contact installer Check the cabling from the sensor to the main board Chec...

Page 29: ...buttons down at the same time for 3 sec onds Open the filter shutter 2 Pull the filter out and replace it Take note of the direction in which the filter was pulled out 3 Insert the filter in the same...

Page 30: ...the unit off at the operating panel by pressing and holding the OK and buttons down at the same time for 3 sec onds and switch of the mains power sup ply Open the filter shutter 2 Pull the filter out...

Page 31: ...out the slider that the main board is mounted on Remove all connectors from the main board that are connected with the feed through plate Remove the earthing wire from the housing 8 Remove the ventil...

Page 32: ...ns 14 Mount the operating panel 15 Reinsert the heat exchanger in the unit 16 Screw the front cover back on 17 Reinsert the filter in the unit with the clean side towards the heat exchanger 18 Close t...

Page 33: ...temperature sensor Outside air temperature sensor green white brown brown blue green yellow Room air control Supply air fan Exhaust air fan Operator unit 9 Wiring plans Diagrams 9 1 Simplified diagram...

Page 34: ...A Room air control B Exhaust air temperature sensor C Central control circuit board D Supply air fan C 1 brown C 2 blue C 3 green yellow C 5 white C10 yellow C 11 green E Outgoing air fan F Operator u...

Page 35: ...hannel Protection of a hydraulic heat register against frost damage A hydraulic heat register must be protected against frost damage with a safety device 1 Exhaust air 2 Supply air 3 Outgoing air 4 Ou...

Page 36: ...t indication light to be supplied by the customer e g glow lamp B Room air control RLS 2 F control unit with timer L1 230 VAC connecting cable L2 Control cable for room air control JP1 Plug jumper JP1...

Page 37: ...The value in the circle is the power level per fan in watts 9 4 2 WRG 400 EC The value in the circle is the power level per fan in watts Resistance in channel system Pa Volumetric flow m 3 h Resistan...

Page 38: ...n power m 3 h 100 150 225 100 200 300 Permitted resistance in the channel system Pa 15 31 31 66 64 138 8 17 31 59 67 128 Power consumption W 18 20 32 38 70 90 20 21 53 60 121 149 Current input A 0 13...

Page 39: ...0101 1355 0000 4 Temperature sensor 0157 1064 0000 5 Heat exchanger 0192 0412 0100 6 Operating panel with display 0157 1065 0000 designation the serial number the year of construction and the componen...

Page 40: ...and disposed of correctly Accessory Product type WRG 300 EC Article no Air filter replacement 2 x G4 WRF 300 400 EC 0093 0061 Room air control with timer RLS 2 F 0157 0806 Thermostat TH 10 0157 0764 A...

Page 41: ...40 NOTES...

Page 42: ...Elektroapparate Fabrik GmbH Steinbeisstr 20 78056 Villingen Schwenningen Germany 49 7720 694 technik maico de 10 11_Paul_GB_B...

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