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Summary of Contents for Maico WRG 180 EC
- Page 1 WRG 180 EC Mounting and Operating Instructions w w w . m a i c o - v e n t i l a t o r e n . c o m...
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Page 3: Table Of Contents
Connecting the condensation run-off ........11 Sound insulation ..............11 Electrical connection ............. 12 Connections and dimensions of the WRG 180 EC ....14 Start-up ................. 15 Switching ventilation unit on and off ........15 Setting air volumes ..............15 Settings made by the installer .......... - Page 4 WRG 180 EC simplified diagram .......... 31 WRG 180 EC wiring diagram ..........32 WRG 180 EC + RLS 2 F + WRH in the supply air channel .. 33 WRG 180 EC + electrical air heater ........35 Air power diagram ..............37 Technical data ..............
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Page 5: Introduction
You will find an exact description in Chapter 4. Symbol for requests for action: The WRG 180 EC is designed for a Here, you are asked to take action. maximum ventilation power of 180 m /h at a Follow the instructions given, in the resistance of 150 Pa in the channel system. -
Page 6: Essential Safety Instructions
2.2 Intended use 2. Essential safety instructions The WRG 180 EC unit is a central ● 2.1 General safety instructions ventilation unit with heat recovery for ● Electrical installation and repairs are only venting and extracting air in one or more... -
Page 7: Regulations For Fulfilling The Passive Energy House Criteria
2.4 Regulations for fulfilling the 2.5 Regulations for operation with passive energy house criteria fireplaces 2.4.1 Frost protection equipment for the Observe the current rules from the German heat exchanger Federation of Chimney Sweeps (Evaluation criteria for the joint operation of fireplaces – In order to guarantee continuous ventilation, domestic ventilation –... -
Page 8: Construction
3. Construction 3.1 Exploded view A = Exhaust air flow B = Outside air C = Outgoing air D = Supply air Unit components Coupling For the connection of the supply air and exhaust air channel Measures the temperature of the exhaust air leaving Sensor for room air temperature the building Heat exchanger... -
Page 9: Operation
4.1 General righthand area shows the read-out value, e.g. the defined air volume. A product from the WRG 180 EC range is a highly developed heat recovery fan, which, thanks to the latest electronic controller, combines minimum energy consumption and maximum comfort in a single unit. -
Page 10: Anti-Frost Protection
4. Electrical connection: Connection of the room air control and the mains power. 4.4 Filter status display 5. The WRG 180 EC must be installed in The unit is equipped with a filter status line with the following requirements. display that indicates when a filter change is ●... -
Page 11: Wall Assembly
5.2 Wall assembly ● Locate the edge protection profile (4) on the holding plate (2). Use the special wall bracket for wall ● Hang the ventilation unit (weight approx. mounting. See Chapter 11.3, Accessories. 50 kg) on the holding plate (2). Make sure that the holding plate and the track line up Danger of injury if installed on a completely and that the ventilation unit is... - Page 12 ● The exhaust air channel is to be fed ● The outside air feed should be installed on through the roof shell such that no the shaded side of the building, e.g. on the condensation can build up in the roof shell. wall or under an overhang.
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Page 13: Connecting The Condensation Run-Off
The piping for the drainage system, to receive condensation run-off for the Maico WRG 180 the condensation. EC is fed through the lower panel. This disconnects the ventilation... -
Page 14: Electrical Connection
5.6 Electrical connection The WRG 180 EC must be installed in line with local requirements. The advice given in this manual must be observed The unit may only be connected... - Page 15 5.6.2 Switching on the ventilation unit 5.6.3 Ventilation levels Set the required operating mode using Ventilation level Function the selector switch. Ventilation off The fans in the ventilation unit start up. The ventilation unit runs at the selected ventilation Ventilation level 1 Reduced ventilation: level.
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Page 16: Connections And Dimensions Of The Wrg 180 Ec
5.7 Connections and dimensions of the WRG 180 EC Supply air DN125 A Top view Outgoing air DN125 B Front view III Exhaust air DN125 C Side view IV Outside air DN125 D Bottom view E Electrical connection G Condensation run-off connection... -
Page 17: Start-Up
6.2 Setting air volumes off through the program buttons. The WRG 180 EC air volumes for levels 1, 2 The first digit in the display indicates the and 3 are factory-set to 75, 100 and 150 m position of the three-step switch. - Page 18 (U1 = Level 1, U2 = Level 2, U3 = this modified value. Level 3). U4, U5 and U9 have no function Press button "OK", to return to with the WRG 180 EC. the settings menu. If required, further values can be changed now (see steps 2 to 5).
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Page 19: Settings Made By The Installer
B Press the "OK“ button to return to the 6. Press the "F" button for 1 second to quit settings menu without saving the the settings menu. modified value. The previous value is retained. If required, further values can be changed now (see steps 2 to 5). -
Page 20: Menu Structure Display
I8/ I9/ I11/ I12 and I14 Have no function for the WRG 180 EC. I10 Constant pressure switched off. This is the setting that defines whether the ventilation and air extraction units... - Page 21 6.4.1 Menu structure diagram...
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Page 22: Read-Off Value Settings
6.5 Read-off value settings 6.5.2 Calling up the settings by the installer In standard operational mode, the display There is a more extensive program for the shows the current level of the room air control installer for calling up data. All data available and corresponding exhaust air volume to the installer can be called up by pressing setting. -
Page 23: Changing Settings
Step Display Description Comments (example) No. 1 2, 100 Current outgoing air fan level [m No. 2 Operating mode message C0 = No message code C3 = The supply air 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... - Page 24 6.6.2 Changing settings by the installer 3. The required parameters can be called by pressing and holding the "+" and "-" The installer can change more set values buttons down together for 3 seconds. than the user. If parameters are incorrectly set, the performance of the unit is affected.
- Page 25 6. The modified value can now be: C Press and hold buttons "F" and "-" (first "F", then "-") to save the modified A saved; value. The value flashes three times B not saved; to confirm that it has been saved. The C reset to the factory setting.
- Page 26 6.6.3 Setting options table The parameters that can be set by the user are identified with "U". Those for the installer are identified with "I" (main board). Adjustable Description Setting range Factory setting parameters Volume level 1 70 – 170 (max - 10) Volume level 2 70 –...
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Page 27: Fault
7.2 Filter status display 7. Fault If the message "FIL" appears in the display, 7.1 Fault analysis the filters have to be exchanged. If the control system recognises a fault, this is shown on the display by a number with an "F" in front of it. -
Page 28: Display Of The Codes
7.3 Display of the codes Table of fault codes Fault Cause User measures Installer measures code The supply air fan is ● Contact ● Exchange the supply air fan; it is no longer working installer. defective The outgoing air fan is ●... -
Page 29: Maintenance
3. Insert the filter in the same way in which 8. Maintenance the previous one was pulled out. 8.1 Maintenance by the user The maintenance to be carried out by the user is restricted to regular cleaning and exchanging the filter. The filter only needs to be cleaned if the text "FIL"... -
Page 30: Maintenance By The Installer
8.2 Maintenance by the installer Remove the front cover. The maintenance to be carried out by the installer covers cleaning the heat exchanger and and the fans. Depending on the operating conditions, this maintenance work needs to be done every three years. Switch the unit off at the operating panel by pressing and holding the "OK"... - Page 31 Remove the operating panel. Pull 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. Remove the ventilator unit. Remove the spiral housing.
- Page 32 10 Clean the fan with a soft brush. The 11 Reinsert the spiral housing in the balancing weights may not be moved out ventilation unit. of place. 12 Reinsert the fan in the ventilation unit. 13 Refit the earthing wire and plug the connectors removed earlier back into their correct positions.
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Page 33: Wiring Plans / Diagrams
9. Wiring plans / Diagrams 9.1 WRG 180 EC simplified diagram... -
Page 34: Wrg 180 Ec Wiring Diagram
9.2 WRG 180 EC wiring diagram 1 = Reduced ventilation 2 = Nominal ventilation 3 = Intensive ventilation C 1 = brown C 2 = blue C 3 = green/yellow C 5 = white C10 = yellow E = Outgoing air fan... -
Page 35: Wrg 180 Ec + Rls 2 F + Wrh In The Supply Air Channel
9.3 WRG 180 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... - Page 36 WRH with timer) WRG 180 EC Ventilation unit 230 VAC connecting cable WRH.. Water air heater Control cable for room air control Plug jumper JP1 on operating mode “K”. Relay switches the WRG 180 EC off as the temperature drops.
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Page 37: Wrg 180 Ec + Electrical Air Heater
9.4 WRG 180 EC + electrical air heater The air flow controller sensor "S1" must be installed in the direction of flow, at least If the heat recovery unit is installed in a 30 cm ahead of the electrical air heater. - Page 38 LW 9 Air flow monitor Air flow monitor sensor / Installation ahead of the ERH 12-1 TH10 Thermostat Temperature sensor / Installation after the ERH 12-1 Plug jumper JP1 on operating mode “H”. Relay switches on as the temperature drops. ERH 12-1 Electric air heating...
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Page 39: Air Power Diagram
9.5 Air power diagram Volumetric flow [m The value in the circle is the power level per fan (in watts). -
Page 40: Technical Data
10. Technical data WRG 180 EC Power supply [V, Hz] 230/50 Degree of protection [IP] Dimensions (W x H x D) [mm] 560 x 600 x 315 Connection diameter [mm] Ø 125 External diameter of the condensation run-off [mm] Ø 20... -
Page 41: Service
11. Service 11.1 Exploded view of the WRG 180 EC When ordering spare parts, as well as the the serial number, the year of construction corresponding part numbers (see expanded and the component designation also have to view), the heat recovery unit type designation, be quoted: 11.2 WRG 180 EC spare parts... -
Page 42: Wrg 180 Ec Accessories
11.3 WRG 180 EC accessories Accessory / Product type WRG 180 EC Article no. Air filter, replacement, 2 x G4 WRF 180 EC 0093.0060 Air filter, replacement, 2 x F7 WRF 180 EC-7 0093.0047 Room air control with timer RLS 2 F 0157.0806... - Page 44 Elektroapparate-Fabrik GmbH • Steinbeisstr. 20 • 78056 Villingen-Schwenningen • Germany • Service +49 7720 694 447 • technik@maico.de...
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