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Part no. 744009EN Week 32/2020 EN
Meltem Wärmerückgewinnung GmbH & Co. KG
Am Hartholz 4 · D-82239 Alling
info@meltem.com · www.meltem.com
HOME VENTILATION WITH HEAT RECOVERY
Ventilation units
M-WRG-II P-M (-F, -FC)
M-WRG-II E-M (-F, -FC)
Modbus RTU
V E N T I L A T I O N & H E A T R E C O V E R Y
Master
V E N T I L AT I O N T H E R I G H T WAY
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Related Manuals for Meltem M-WRG-II E-M-FC
Summary of Contents for Meltem M-WRG-II E-M-FC
- Page 1 Modbus RTU Master Part no. 744009EN Week 32/2020 EN Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling...
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Page 2: Table Of Contents
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y Contents Introduction ........................5 Notes on these operating and installation instructions ........... - Page 3 Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y Rules for correct usage ....................20 General .........................
- Page 4 Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y 12.3 Changing the air filters ....................32 12.3.1...
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Page 5: Introduction
Notes on these operating and installation instructions These original operating and installation instructions contain important information that should be followed when setting up and using the M-WRG-II P-M (-F, -FC) and M-WRG-II E-M (-F, -FC) ventilation units. ► Read all the instructions carefully before starting up the ventilation unit to avoid possible risks and mistakes. -
Page 6: Target Group
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y due to biological decay and decomposition processes, motor traffic exhaust fumes or volatile by-products from industrial and commercial operations) the proportion of supply... -
Page 7: Eu Declaration Of Conformity
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y EU declaration of conformity The ventilation units from the M-WRG-II P and M-WRG-II E series manufactured by Meltem Wärmerückgewinnung GmbH &... -
Page 8: Technical Data
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y Technical data 1.7.1... -
Page 9: Unit Features
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y Unit types... -
Page 10: Air Filters
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y 1.7.6 Air filters... -
Page 11: Safety Instructions
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y Safety instructions These instructions contain notes that you must follow for your own personal safety and to avoid injury and damage to property. -
Page 12: Installation In Wet Areas
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y 2.2.3 Installation in wet areas... -
Page 13: Note On Use In Conjunction With Room Air Conditioners
— The ventilation unit’s functions may be impaired or the unit may be damaged in rooms with a lot of dust (e.g. model-making) or corrosive gas emissions (e.g. blueprint shop, cleaning). — For any use contrary to the intended use, Meltem Wärmerückgewinnung GmbH & Co. KG shall accept no liability for any damage that may occur and offers no warranty that the ventilation unit will work perfectly and correctly. -
Page 14: Warranty And Liability
— The ventilation unit was not installed as described in the installation manual. — The ventilation unit was flush-mounted without using a flush-mount installation kit. — Genuine parts/genuine air filters were not replaced with genuine parts. — Unapproved changes were made to the installation kit or ventilation unit. — Repairs were not carried out by Meltem or by an authorised specialist company. — The ventilation unit was operated without air filters and outer wall terminals. — The warranty does not cover wearing parts such as air filters. Liability The manufacturer’s liability shall not apply in the following cases:... -
Page 15: Dimensions
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y Dimensions Ventilation unit without duct adapters 194,5 Fig. -
Page 16: Ventilation Unit With Duct Adapters
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y Ventilation unit with duct adapters... -
Page 17: Structure And Function
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y Structure and function Overview of the modules 5.1.1... -
Page 18: Description Of The Functions
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y Description of the functions 5.2.1... -
Page 19: How The Cross-Counterflow Plate Heat Exchanger Works / Moisture Recovery With Enthalpy Heat Exchanger
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y 5.2.2 How the cross-counterflow plate heat exchanger works / moisture recovery... -
Page 20: Rules For Correct Usage
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y Rules for correct usage General ►... -
Page 21: Summer Mode
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y 6.2.2 Summer mode... -
Page 22: Central And Local Operation Of The Ventilation Unit
Central and local operation of the ventilation unit Operation via the Modbus RTU master Ventilation units of the M-WRG-II P-M and M-WRG-II E-M type are controlled centrally via Modbus (Modbus RTU master using the Modbus RTU protocol). They way they are oper- ated via a Modbus RTU master will vary according to the system in use, and the master is to be supplied by the customer. -
Page 23: Default Assignment Of The Membrane Touch Pad
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y Default assignment of the membrane touch pad This section illustrates the default assignment of the individual buttons on the membrane touch pad for the different types of unit. How the individual ventilation programs work is... -
Page 24: Led Indicators
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y LED indicators 7.4.1... -
Page 25: Operating The Ventilation Unit
CO sensors. Units with the appropriate sensors are needed to record the measured values (type: M-WRG-II P-M-F / M-WRG-II E-M-F or M-WRG-II P-M-FC / M-WRG-II E-M-FC). Local operation M-WRG-II units can be controlled simply and straightforwardly using the buttons on the membrane touch pad (items 1 to 5 in Fig. -
Page 26: Ventilation Levels/Programs
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y In addition to monitoring of the exhaust air temperature, the speed of the exhaust air fan is monitored continuously. -
Page 27: Automatic Mode
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y 10.6 “Automatic mode”... -
Page 28: Options For Ventilation Mode
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y Options for ventilation mode 11.1... -
Page 29: Minimum Ventilation To Din 18017-3, M-Wrg-Ii O/Mvs, Part No. 721001
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y 11.2 Minimum ventilation to DIN 18017-3, M-WRG-II O/MVS, part no. 721001 This option guarantees a minimum ventilation level to DIN 18017-3. -
Page 30: Ventilation For Moisture Protection, M-Wrg-Ii O/Lfs, Part No. 721007
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y 11.6 Ventilation for moisture protection, M-WRG-II O/LFS, part no. 721007 11.6.1... -
Page 31: Filter Maintenance
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y Filter maintenance The ventilation unit has a runtime-controlled filter monitoring function with visual display. -
Page 32: Changing The Air Filters
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y 12.3 Changing the air filters 12.3.1 Removing the cover from the ventilation unit... -
Page 33: Removing The Outdoor Air Filter
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y 12.3.3 Removing the outdoor air filter ►... -
Page 34: Inserting The New Outdoor Air Filter
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y 12.3.5 Inserting the new outdoor air filter ►... -
Page 35: Resetting The Filter Change Indicator
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y 12.3.7 Resetting the filter change indicator After every air filter change, the filter change indicator must be reset in order to restart monitoring of the period since the last air filter change. The procedure is as follows:... -
Page 36: Troubleshooting
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y Troubleshooting Error... -
Page 37: Connecting The Ventilation Unit To The Modbus Rtu
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y Connecting the ventilation unit to the Modbus RTU This section describes how to connect the ventilation units electrically to the Modbus and the settings and registers for the Modbus protocol. -
Page 38: Bus Cable
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y 15.1.2 Bus cable The bus cable is connected at the connection on the Modbus master and on the 10-pole terminal block (see item 1 in Fig. 21 on page 37) on the board of the first ventila-... -
Page 39: Accessing The Modbus Board In The Ventilation Unit
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y 15.4 Accessing the Modbus board in the ventilation unit 15.4.1 Switching off power to the ventilation unit... -
Page 40: Removing The Electronics Compartment Cover Plate
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y 15.4.3 Removing the electronics compartment cover plate ►... -
Page 41: Example Of Floor-By-Floor Wiring
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y 15.5.2 Example of floor-by-floor wiring... -
Page 42: Electrical Installation
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y 15.6 Electrical installation NOTICE —... -
Page 43: Modbus Configuration
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y Modbus configuration 16.1 Default settings —... - Page 44 Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y Register Read/...
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Page 45: Sensors In The Different Ventilation Unit Types
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y 16.6 Sensors in the different ventilation unit types... -
Page 46: Unbalanced
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y 16.7.2 Unbalanced... -
Page 47: Loxone
Operating and installation instructions M-WRG-II P-M (-F, -FC), M-WRG-II E-M (-F, -FC) ventilation units V E N T I L A T I O N & H E A T R E C O V E R Y 17.2 Loxone To integrate the Modbus units into the Loxone bus system, the units must be wired and connected as for Modbus units. - Page 48 We have checked the content of this publication for conformity with the unit described in it. There may nevertheless still be differences, 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...
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