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Meltem Wärmerückgewinnung GmbH & Co. KG

Am Hartholz 4 · D-82239 Alling

[email protected] · www.meltem.com

VENTILATION  THE  RIGHT WAY

V E N T I L A T I O N   &   H E A T   R E C O V E R Y

DISMANTLING

 INSTRUCTIONS

HOME VENTILATION WITH HEAT RECOVERY

Dismantling ventilation units 

from the M-WRG-II series  

at the end of the  

product life cycle

Part no. 744016EN Week 11/2021 EN

Summary of Contents for M-WRG-II Series

Page 1: ...m com www meltem com VENTILATION THE RIGHT WAY V E N T I L A T I O N H E A T R E C O V E R Y DISMANTLING INSTRUCTIONS HOME VENTILATION WITH HEAT RECOVERY Dismantling ventilation units from the M WRG II series at the end of the product life cycle Part no 744016EN Week 11 2021 EN ...

Page 2: ...s on dismantling the ventilation units 4 3 Tools and equipment required 5 4 Dismantling the ventilation unit 5 4 1 Detach electrical connections and uninstall the ventilation unit 5 4 2 Remove the unit cover 6 4 3 Remove the air filters 6 4 4 Remove the electronics compartment covers and intermediate plate 7 4 5 Remove the heat exchanger 7 4 6 Remove the exhaust air and supply air fans 8 4 7 Remov...

Page 3: ...cycle 1 3 Target group These dismantling instructions are aimed at two different target groups The activities described in section 4 1 Detach electrical connections and uninstall the ventilation unit on page 5 must only be carried out by specialised personnel with the following qualifications Training in the installation and commissioning of electrical devices Training in electrical hazards and th...

Page 4: ...sult in death or severe injury WARNING The signal word designates a hazard with a medium degree of risk which if it is not avoided will result in death or severe injury CAUTION The signal word designates a hazard with a low degree of risk which if it is not avoided could result in minor or moderate injury NOTICE A note as used in this manual contains important information about the product or abou...

Page 5: ...lation The VDE regulations or any special safety regulations applicable in your country apply to the electrical installation work Before starting to uninstall disconnect the mains cable and the control cable if used on all poles from the main power supply Observe the five safety rules DIN VDE 0105 100 EN 50110 1 for working on elec trical systems Disconnect from mains all pole disconnection of a s...

Page 6: ... time push your index fingers into the gap between the unit cover and housing and lift the unit cover up and away from the housing Pull away the black insulation on the back of the unit cover 4 3 Remove the air filters Fig 2 Remove the air filters 1 2 Using the hand grip turn the filter ring item 1 in Fig 2 anti clockwise until the filter ring is released from the retainers Pull the filter ring to...

Page 7: ... the electronics compartment cover with the On Off switch detach the connecting cable from the PCB in the ventilation unit Remove the seal item 3 in Fig 3 with a slotted screwdriver Use the Torx screwdriver TX20 to loosen the 13 screws item 4 in Fig 3 on the interme diate plate Lift up the intermediate plate item 5 in Fig 3 with the two air grilles item 6 in Fig 3 Remove the intermediate plate sea...

Page 8: ...3 4 Pull the exhaust air fan item 1 in Fig 5 up and out Remove the black retaining clip item 2 in Fig 5 from the exhaust air fan with a slotted screwdriver Detach the two plug connectors item 3 in Fig 5 from the exhaust air fan Remove the exhaust air fan Repeat the process for the supply air fan item 4 in Fig 5 4 7 Remove the sensors Fig 6 Remove the sensors 1 1 Remove the sensors item 1 in Fig 6 ...

Page 9: ...ecting cable Lift the antenna holder item 3 in Fig 7 with the film antenna and control PCB item 4 in Fig 7 up and out Detach all the plug in connections from the control PCB Remove the black housing internal seal item 5 in Fig 7 that fully covers the base of the housing Detach the membrane keypad item 6 in Fig 7 on the side of the housing 4 9 Remove the distributor PCB Fig 8 Remove the distributor...

Page 10: ... from the housing back panel 2 1 Turn the ventilation unit so that the back panel points up Detach the two sealing rings item 1 in Fig 9 from the air spigots Detach the black insulation item 2 in Fig 9 from the housing back panel 4 11 Detach switch from electronics compartment cover Fig 10 Detach switch from electronics compartment cover 1 2 Press the two retaining tabs together on the back of the...

Page 11: ...aps Fig 11 Remove flap motors for air flaps 1 2 3 Use a screwdriver to lift the connection PCB item 1 in Fig 11 for the flap motor off the removed supply air and exhaust air fan Push the retaining clips item 2 in Fig 11 for the flap motor outwards and pull the flap motor item 3 in Fig 11 off the removed supply air and exhaust air fan 4 13 Disposal of the components Dispose of the components separa...

Page 12: ...ol PCB Electrical component Item 4 in Fig 7 Distributor PCB Electrical component Item 2 in Fig 8 Exhaust air fan Electrical component Item 1 in Fig 5 Flap motor Electrical component Item 3 in Fig 11 Interface PCB Electrical component Item 2 in Fig 7 Mains switch Electrical component Item 1 in Fig 10 Membrane touch pad Electrical component Item 6 in Fig 7 Ribbon cables Electrical component Sensors ...

Page 13: ...ilation units from the M WRG II series 13 Meltem Wärmerückgewinnung GmbH Co KG Am Hartholz 4 D 82239 Alling info meltem com www meltem com VENTILATION THE RIGHT WAY V E N T I L A T I O N H E A T R E C O V E R Y Space for your notes ...

Page 14: ...ces so we cannot guarantee complete accuracy The information in this publication is regularly checked and any necessary corrections are made in subsequent editions Copyright Meltem Wärmerückgewinnung GmbH Co KG We reserve the right to make changes Meltem Wärmerückgewinnung GmbH Co KG Am Hartholz 4 D 82239 Alling Germany Tel 49 8141 404179 0 Fax 49 8141 404179 9 Internet www meltem com Email info m...

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