Related Manuals for Wolf CGL 2 edu
Summary of Contents for Wolf CGL 2 edu
- Page 1 Operating instructions for contractors COMFORT LARGE AREA VENTILATION CGL 2 edu (Translation of the original) English | Subject to technical modifications. 6810179 | 202401...
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Page 2: Table Of Contents
Table of contents CGL 2 edu Table of contents 1 About this document ............................Scope of application of document ......................Target group............................. Other applicable documents ........................Safekeeping of these documents......................Symbols ..............................Warnings ..............................Air flows indoor air handling technology.................... - Page 3 8.1.22 Fault messages........................... 45 BMK-F remote control ..........................47 8.2.1 Overview ............................. 47 8.2.2 Standard display BMK- F ......................49 BMS / Wolf portal interfaces........................50 8.3.1 Interface configuration ........................ 50 8.3.2 Read access ..........................50 8.3.3 Operating data read access......................50 8.3.4...
- Page 4 Table of contents CGL 2 edu 8.3.11 Remote alarm reset ........................55 8.3.12 Output limit of electric heating coil ....................55 8.3.13 Specifications..........................55 9 Maintenance..............................56 General information about maintenance ....................56 Decommissioning............................. 56 Commissioning/accessibility of junction box .................... 58 Hygiene checklist .............................
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Page 5: About This Document
1. Read this document before you begin working on the appliance. 2. Follow the instructions in this document. Failure to observe these instructions voids any warranty claim with respect to WOLF GmbH. Scope of application of document This document applies to: CGL 2 edu Comfort large area ventilation unit. -
Page 6: Air Flows Indoor Air Handling Technology
1 | About this document CGL 2 edu Symbol Keyword Explanation DANGER This means that there is a risk of serious injury or loss of life. WARNING This means that there is a potential risk of serious injury or loss of life. -
Page 7: Safety
Intended use WOLF CGL 2 edu ventilation units are designed to heat and filter normal air. Maximum air intake temperature: +40 °C. The CGL 2 edu ventilation unit is designed to be used indoors in a frost-proof area. Installation elevation: Maximum of 2000 m above sea level... -
Page 8: Handover To Operator
3. Refer the operator to the operating instructions. 4. Make the operator aware of the following: – Annual inspections and maintenance must be performed by specialists. – Wolf recommends concluding an inspection and maintenance contract with a spe- cialist contractor. – Repairs must be performed by contractors. -
Page 9: Standards And Regulations
CGL 2 edu Standards and regulations | 3 Standards and regulations Relevant standards and regulations – Machinery Directive 2006/42/EC – Low Voltage Directive 2014/35/EU – EMC Directive 2014/30/EU – ErP Directive 2009/125/EC – DIN EN ISO 12100 Safety of machinery; general principles for design –... -
Page 10: Product Description
Product description Introduction Energy-efficient, powerful, whisper-quiet and compact - the CGL 2 edu from WOLF. The decentralised ventilation unit provides high-quality air to individual rooms used by many different people at once, such as offices, educational establishments and restaurants. Also ideal for retrofitting. Accessories for installa- tion in an adjoining room are available on request. -
Page 11: Unit Layout
CGL 2 edu Product description | 4 Unit layout 1 Discharge module with ventilation grille (ac- 2 Outdoor air/Exhaust air damper with servomo- cessory) 3 Electric preheater coil (accessory) 4 Outdoor airfilter ePM1 55% (F7) 5 Operating light & CO display 6 Differential pressure switch, filter monitoring... -
Page 12: Benefits
– Optional draught-free supply air intake through ventilation grilles at a height of 2.2 m or an on-site pipework system – WOLF WRS-K control system with interfaces for building management system and Smartset portal – Compliance with the highest hygiene requirements as per VDI 6022 –... -
Page 13: Remote Access / Maintenance
– BMS connection via Modbus RTU (standard interface), Modbus TCP (accessory) or BACnet IP (ac- cessory) in accordance with AMEV (profile AS-B) – Connection to WOLF portal (Smartset, up to 3 appliances can be connected using a single Link Pro) Principle of operation... -
Page 14: Appliance Casing Details
4 | Product description CGL 2 edu Appliance casing details Outdoor air Exhaust air Extract air Supply air Outdoor air (ODA) & exhaust air (EHA) – Easily accessible regardless of blower module (accessory) – Variable DN 250 air routing to suit different setups 2x status LED –... -
Page 15: Heat Recovery
Product description | 4 Heat recovery Two different heat exchanger versions are available for the CGL 2 edu: – Version 1: Standard aluminium countercurrent plate heat exchanger for heat recovery only – Version 2: Enthalpy plastic countercurrent plate heat exchange for heat and moisture recovery... -
Page 16: Transport And Storage
Delivery CGL 2 edu ventilation units are supplied in packaging that protects them from dirt and damage. Check the unit for possible transport damage upon receipt. If there is any damage or even a suspicion of damage, indicate this on the consignment note and have it countersigned by the haulier. -
Page 17: Storage
CGL 2 edu Transport and storage | 5 Storage NOTE Corrosion and condensation ► Remove the film from the appliances after delivery. ► The appliance and components must be stored securely on a level horizontal surface, kept dry and protected against the weather and soiling (using suitable packaging). -
Page 18: Installation
When using an air outlet module with a ventilation grille, the top of the unit (incl. air outlet module) must be at least 200 mm from the ceiling to provide space for the air outlet. Wall mounting 1 CGL 2 edu 2 Intake silencer 3 Universal intake module... - Page 19 CGL 2 edu Installation | 6 DANGER Improper securing of the appliance ► Push the appliance towards the wall and use the adjustable feet in the intake silencer or uni- versal intake module to make sure that it is horizontal.
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Page 20: Condensate Management
Both variants are equipped with a float switch with ON/OFF and ALARM functions. The location of the condensate container in the CGL 2 edu means that it is sealed off from the supply air and extract air. This means that the hygiene requirements of VDI 6022 are met when using the condens- ate container. -
Page 21: Installing The Condensate Drain
CGL 2 edu Installation | 6 Capacity Average H [mbar] Min. H [mbar] Max. H [mbar] Pump rate [l/h] 6.4.3 Installing the condensate drain When the appliance is delivered, the hose will be mounted as shown in the picture and closed with a plug. -
Page 22: Connecting The Power Cable
6 | Installation CGL 2 edu The condensate can also be drained with a trap. Connecting the power cable Insert the power cable firmly it into the junction box at the bottom right. – External power cable min. 3 x 1.5 mm² (cross-section and cable type must be selected based on site conditions) –... - Page 23 CGL 2 edu Installation | 6 1 Condensate hose entry 2 Entry for power cable and accessories (e.g. BMS connection) 3 Service connection for BMK Touch front mounting 6810179 | 202401 WOLF GmbH | 23...
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Page 24: Commissioning
► Observe all local utility regulations and all VDE regulations. ► Observe all local utility regulations and all VDE regulations. ► Only original WOLF accessories may be used (electric heater coils, condensate pump, ser- vomotors, etc.). ► The unit must not be operated before all necessary safety equipment has been fitted and connected. -
Page 25: Fans
Calculate the flow rate on the basis of the effective pressure Δpw (differential pressure of the two static pressures) using the listed equations. The fans used for the CGL 2 edu have a k value of 76. 1000 1100 Flow rate [m³/h]... -
Page 26: Preheater (Accessory) / Reheater (Accessory)
7 | Commissioning CGL 2 edu Preheater (accessory) / reheater (accessory) NOTE Risk of motor overload ► Use tools to tightly seal the doors before commissioning (unit tightness). NOTE Risk of overheating ► When an electric heater is installed, the ventilation unit may not be operated at a flow rate of less than 300 m³/h. -
Page 27: Operation
CGL 2 edu Operation | 8 Operation BMK-Touch programming unit 1 Displays the currently valid set temperature 2 Displaying and acknowledging active fault messages 3 Quick access to increase set temperature 4 Quick access to reduce set temperature 5 LED bar... -
Page 28: Displays Operating Mode
8 | Operation CGL 2 edu 8.1.1 Displays operating mode Manual mode The system uses the values that were specified for manual mode with the programming unit. If there is an additional BMS connection, the setpoints can be adjusted using offsets. -
Page 29: Menu Structure, Programming Level 1
CGL 2 edu Operation | 8 8.1.5 Menu structure, programming level 1 Main menu Standard screen > Main menu INFO If no settings are changed for more than 2 minutes, the standard screen will reappear automat- ically. Overview: – Default setting ☞... -
Page 30: Time Program - Details
8 | Operation CGL 2 edu – Filter – Heat recovery – External Enable – Software – Runtime – System – – Filter pre-dryer – El. heating coil – Last filter test Time program Standard screen > Main menu > Time program –... -
Page 31: Menu Structure, Programming Level 2 (Heating Contractor)
CGL 2 edu Operation | 8 Day program 1 06 :00 18 :00 12 :00 12 :30 00 :00 00 :00 00 :00 00 :00 00 :00 00 :00 7-day program Individual programs are assigned to the individual days of the week via the 7-day program. If no program is assigned to a specific day of the week, then the system will remain switched off for the whole day. - Page 32 8 | Operation CGL 2 edu Heat generation Standard screen > Main menu > Heating contractor > Heat generation ☞ Heat generation - details [} 35] – Output limit of electric heating coil Maintenance Standard screen > Main menu > Heating contractor > Maintenance –...
- Page 33 CGL 2 edu Operation | 8 – Summer: – Winter: – Start at outside temp. – End at outside temp. Night vent. Standard screen > Main menu > Heating contractor > Night ventilation ☞ Night ventilation - details [} 36] – Enable –...
- Page 34 8 | Operation CGL 2 edu Temp. control Standard screen > Main menu > Heating contractor > Temperature control ☞ Temperature control - details [} 40] – Control type – Setpoint deviation, offset, heating – Setpoint deviation, offset, cooling – Enable access to outside temp –...
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Page 35: Alarm Management - Details
– Controller reconfiguration 8.1.8 Alarm management - details General information If a WOLF portal connection or an interface to the BMS connection has been configured, a reset of pending fault messages can be enabled via this interface. Parameter Setting range... -
Page 36: Night Ventilation - Details
8 | Operation CGL 2 edu Sensor adjustment Here, sensor corrections can be carried out. Digital inputs Here, all digital inputs (faults, operating messages) are displayed with their current status (contact closed or contact open). Manual mode ü System is switched off Here, every drive can be activated manually. -
Page 37: Air Quality - Details
CGL 2 edu Operation | 8 – Fans ON (with adjustable speed or stage) Night ventilation remains active, until the room temperature < start value room temperature - differen- tial room temperature or outside temperature ≥ room temperature - (delta outside temperature / room temperature - differential delta outside temperature / room temperature). -
Page 38: Air Dampers - Details
8 | Operation CGL 2 edu Parameter Setting range Factory setting Setpoint limit, maximum 22–70°C 28°C */29°C ** Setpoint limit, minimum 14–20°C */10°C ** 16°C*/10°C ** Supply air limit, max. temperature 22–70°C 42°C Supply air limit, minimum temperature 14–20°C 16°C*/10°C ** Min. - Page 39 CGL 2 edu Operation | 8 Set room temperature Maximum compensation Selected set value Outside temperature End temperature Start temperature If “Summer” = 0, this function is disabled (no compensation). Parameter Setting range Factory setting Summer -4 - 4 K 0 K Start at outside temp.
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Page 40: Temperature Control - Details
8 | Operation CGL 2 edu Set room temperature Maximum compensation Selected set value Outside temperature End temperature Start temperature If “Winter” = 0, this function is disabled (no compensation). Parameter Setting range Factory setting Winter -4 - 4 K 0 K Start at outside temp. - Page 41 CGL 2 edu Operation | 8 100 % Temperature 1 Heating 2 Cooling 3 Offset, heating 4 Offset, cooling 5 Setpoint Weather-compensated enabling In addition, the heating or cooling operation can be blocked subject to outside temperature. For example, if the outside temperature exceeds the total comprising the set room temperature and offset, heating (ad- justable), then heating mode will be stopped.
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Page 42: Utilisation Time Extension - Details
8 | Operation CGL 2 edu Parameter Setting range Factory setting Speed reduction enabling Yes/no Shutdown due to supply air minimum Yes / no limit Delay for 0–30 min 5 min Outside temperature BMS enable Yes/no Interval restart 1 - 9 hours 2 hrs 8.1.17... -
Page 43: Miscellaneous - Details
CGL 2 edu Operation | 8 In heat recovery systems using countercurrent plate heat exchangers or in run-around coil systems, a temperature sensor is fitted in the exhaust air path and is used to recognise if the system is icing up. Heat recovery control will be reduced if the exhaust air temperature falls below the set limit. - Page 44 WOLF portal connection configuration To connect to the WOLF portal, select BMS2 > WOLF portal. If multiple KLM controllers (max. 3) are connected via one WOLF Link pro, the controller addresses must be customised. Each KLM controller must have a unique address. Optional entry of WOLF order number The order number of the appliance can optionally be entered.
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Page 45: Specifications
None/Even/Odd None Remote control present Yes / no Filter pre-dryer Yes / no El. heating coil Yes / no Factory setting for WOLF Portal Factory setting for Modbus RTU, Modbus TCP, BACnet-Pro 8.1.21 Specifications BMK-Touch programming unit Type LCD TFT Resolution... - Page 46 8 | Operation CGL 2 edu Alarm message Effects Cause Remedy AL16 High limit safety Air handling unit shuts Electric heating coil Check heating coil; ac- cut-out, electric down after a delay. temperature too knowledge fault message. heater bank high...
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Page 47: Bmk-F Remote Control
CGL 2 edu Operation | 8 Alarm message Effects Cause Remedy increase in fresh air pro- portion functions deactiv- ated for dehumidification. AL103 Supply air fan (aM- The system shuts down Bus connection to Check bus connection; VxZU) data bus fan faulty;... - Page 48 8 | Operation CGL 2 edu ted values from the selected time program and the corresponding set values. Sub- ject to the currently active operating mode, the auto symbol for automatic mode or for manual mode will be displayed. Speed key Pressing the speed key allows a change to the fan stage (up to 3 stages).
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Page 49: Standard Display Bmk- F
CGL 2 edu Operation | 8 8.2.2 Standard display BMK- F AUTO 88. 8 °C 88: 8 8 °C Manual mode active Time program active AUTO Fan stages Ext. utilisation time active Duration, ext. utilisation time / peak ventilation Peak ventilation active... -
Page 50: Bms / Wolf Portal Interfaces
Interface configuration Standard screen > Main menu > Heating contractor > Other 1. Select parameter BMS2 interface. 2. Select Modbus RTU, Wolf Portal, BACnet-Pro or Modbus TCP. The following protocol settings are set automatically and can be adjusted if required. Parameter... -
Page 51: Special Operating Modes
CGL 2 edu Operation | 8 Description Unit Factor Type Index Actuating signal, HR Register Operating mode Register 5007 Air quality (CO Register 5002 Values with a factor = 0.1 have one decimal place. Multiply the transferred value by the factor 0.1. -
Page 52: Alarms
8 | Operation CGL 2 edu Description Type Index Setback mode Coil Winter start HR Coil Supply air minimum limit Coil Codes Value Meaning Special operating mode not enabled Special operating mode enabled INFO Several special operating modes can be enabled at the same time. -
Page 53: Write Access
CGL 2 edu Operation | 8 8.3.6 Write access With write access, setpoints can be specified or adjusted, subject to operating mode, via a Modbus net- work. In addition, the system can be switched on or off and the operating mode specified. -
Page 54: Bms Mode
8 | Operation CGL 2 edu INFO Any adjustment of the setpoints is always relative to the setpoints selected for manual mode or the 7-day program! For systems with active setpoint generators, the set temperature cannot be adjusted via the interface. -
Page 55: Outside Temperature Specification Via Bms
CGL 2 edu Operation | 8 8.3.10 outside temperature specification via BMS If the option "Outside temperature BMS" is enabled via the contractor menu, the outside temperature value can be specified via the BMS. ☞ Temperature control - details [} 40] 8.3.11... -
Page 56: Maintenance
9 | Maintenance CGL 2 edu Maintenance General information about maintenance DANGER Risk of electrical voltage even when the ON/OFF switch is set to OFF Danger of death from electrocution 1. Do not touch the EC fans for five minutes after disconnecting the power across all poles. - Page 57 CGL 2 edu Maintenance | 9 1 Preheating coil high limit safety cut-out 2 Outdoor air filter (STB) 3 Reheater coil high limit safety cut-out (STB) 4 Extract air filter 5 Remove left partition panel 10 x M6 coun- 6 Remove right partition panel 5 x M6 coun-...
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Page 58: Commissioning/Accessibility Of Junction Box
9 | Maintenance CGL 2 edu Commissioning/accessibility of junction box Hygiene checklist Regularly check that the ventilation unit is functioning correctly. Replace the air filters in the unit at least once a year. Wear a suitable dust mask when handling the air filters. Dispose of the air filters in accordance with local regulations. - Page 59 CGL 2 edu Maintenance | 9 Activity Action, if required Months Hygiene inspection Outdoor air intakes Check for soiling, damage and corro- Clean and repair sion Structural units/appliance housing Check for soiling, damage and corro- Clean and repair sion on the air side...
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Page 60: Fan Motor Unit
9 | Maintenance CGL 2 edu Activity Action, if required Months Check the function of the drain and Clean and repair trap Check the function of the condensate Clean or replace pump at the beginning of winter (manually fill condensate pan and... -
Page 61: Electric Preheating Coil / Electric Reheating Coil (Accessory)
CGL 2 edu Maintenance | 9 NOTE Mechanical faults Cleaning methods that use high pressure (e.g. steam jet / high pressure washer) carry a risk of mechanically destroying the countercurrent plate heat exchanger 1. Vacuum, taking care not to bend the fins. -
Page 62: Bypass Damper And Outdoor Air/Exhaust Damper
9 | Maintenance CGL 2 edu Bypass damper and outdoor air/exhaust damper 1. Check the dampers for ease of movement. 2. Never lubricate the dampers. This could destroy the plastic used and compromise the damper func- tion. 3. To clean, wipe down with a soapy solution; otherwise maintenance-free. -
Page 63: Condensate Pump (Accessory)
CGL 2 edu Maintenance | 9 9.10 Condensate pump (accessory) 1. Check the condensate pump for contamination at regular intervals. 2. Check the float switch for easy movement and clean it, if necessary. (see also the special condensate pump instructions) 9.11... -
Page 64: Duct Connections (Onsite)
9 | Maintenance CGL 2 edu 9.13 Duct connections (onsite) The appliance connectors are round. 1. Connect the round ducts directly to the pipe connectors. 2. Insulate the ducts in accordance with applicable regulations and industry standards. 9.14 Service connection for BMK Touch Connection for BMK Touch front-mounted programming unit for temporary operation (programming unit is only plugged in when an operation is carried out, e.g. -
Page 65: Operating Light And Co2 Light
CGL 2 edu Maintenance | 9 9.15 Operating light and CO2 light 1 Operating light 2 CO2 light Operating light: Unit not in operation due to a fault Yellow Unit in operation - warning message (e.g. filter change) Green No fault CO2 light (indicates CO2 level): >... -
Page 66: Recycling And Disposal
10 | Recycling and disposal CGL 2 edu Recycling and disposal DANGER Electrical voltage Danger of death from electrocution ► The heat generator may only be disconnected from the mains power by a contractor. – When the appliance reaches the end of its service life, it may only be dismantled by qualified person- nel. -
Page 67: Specifications
CGL 2 edu Specifications | 11 Specifications 11.1 General Unit CGL 2 edu Nominal flow rate 350 - 1000 Maximum flow rate 1100 Flow rate at 35 dB(A) sound pressure level* Flow rate 1000 Sound pressure level* dB(A) (including intake silencer and exhaust module with vent- ilation grilles, 0 Pa ext. -
Page 68: Heat Recovery Data With Aluminium Plate Heat Exchanger
6.27 7.75 Temperature Exhaust air °C Rel. humidity Exhaust air 11.3 Heat recovery data with enthalpy plate heat exchanger Unit CGL 2 edu enthalpy Flow rate 1000 Temperature Outdoor air °C Temperature Extract air °C Rel. humidity Extract air Temperature Supply air °C... -
Page 69: Dimensioning
CGL 2 edu Specifications | 11 11.4 Dimensioning 11.4.1 Standard unit Ø250 1070 (1) Figure incl. Intake silencer (2) Figure incl. Discharge module with supply air connection 11.4.2 Intake and discharge modules Select for functional total device on Intake module and on Discharge module. - Page 70 11 | Specifications CGL 2 edu Intake modules Intake silencer Front intake module Universal intake module Discharge modules Discharge module with ventilation grille 70 | WOLF GmbH 6810179 | 202401...
- Page 71 CGL 2 edu Specifications | 11 Discharge module with ventilation grilles and 2nd filter stage Discharge module with supply air connection discharge module with supply air connection and 2nd filter stage 6810179 | 202401 WOLF GmbH | 71...
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Page 72: Appendix
Type A RCDs may not be used! 12.2 General symbols Symbol Designation Comments Symbol for accessories These components can be bought from Wolf at a later time and connected to the ventilation unit Shielded cable 3 x 1.0 mm Cable designation: (24V) 3 = number of conductors 1.0 = wire cross-section... -
Page 73: Component Key
CGL 2 edu Appendix | 12 12.3 Component key No. FeBeSy Symbol Designation Comments Single phase voltage feed: 1/N/PE/230 VAC aKOxSS Error- Collective fault (potential-free contact) max. 2 A @ 24 V Signal aKOxSS Status- Operating message (24 V / DC) Signal Error- System on: NO= 24V... -
Page 74: Layout Of Terminal Strips
12 | Appendix CGL 2 edu 12.4 Layout of terminal strips 3x1,5mm² (max. 4,0mm²) (230V) aKOxSS 2x0,5mm² aKOxBM (24V) 2x0,5mm² (24V) sKOxBM 2x0,5mm² (24V) 2x0,5mm² (24V) sKOxEA 2x0,5mm² (24V) 7x0,75mm² (24V) bBExMK 3x0,5mm² bBExMF (24V) bGLxXX BacNet-Pro / ≥ CAT5... -
Page 75: Connections Of Terminal Strips
CGL 2 edu Appendix | 12 12.5 Connections of terminal strips 3x1,0mm² (24V) Tx/Rx+ / MB_A Tx/RX- / MB_B 2x0,5mm² (24V) BacNet-Pro / ≥ CAT5 Mocbus TCP 6810179 | 202401 WOLF GmbH | 75... - Page 76 12 | Appendix CGL 2 edu bBExMK 7x0,75mm² (24V) bBExMF 76 | WOLF GmbH 6810179 | 202401...
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Page 77: Overview Of Cables For Onsite Wiring
CGL 2 edu Appendix | 12 12.6 Overview of cables for onsite wiring Listed cable cross-sections are minimum cross-sections for copper cables without taking into account the cable length and onsite conditions. Cable types must be selected according to the type of routing. Do not route cables for sensors, valves, servomotors (24 V) together with 230/400 V cables;... -
Page 78: Spare Parts
12 | Appendix CGL 2 edu 12.7 Spare parts Item Description Part no. Item Description Part no. Cable entry 2748779 19 Electric reheating coil (optional) 2982631 78 | WOLF GmbH 6810179 | 202401... - Page 79 CGL 2 edu Appendix | 12 Item Description Part no. Item Description Part no. Insert (1x) 2748781 20 Bypass damper 2578050 Seal ring 2748780 21 Bypass servomotor 2269611 Outdoor airtemperature sensor 2747482 22 Cable entry for condensate hose 2745299 Electric preheater coil (optional)
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Page 80: Eu / Ec Declaration Of Conformity
Product type: CGL 2 edu Serial no.: see type plate on appliance We, WOLF GmbH, D-84048 Mainburg, Germany, hereby declare that the product complies with the following directives and regulations: – Machinery Directive 2006/42/EC – Directive 2014/30/EU Electromagnetic Compatibility – Directive 2011/65/EU Restriction on the use of certain hazardous substances in electrical and elec- tronic equipment (RoHS) –... - Page 81 CGL 2 edu Notes 6810179 | 202401 WOLF GmbH | 81...
- Page 82 CGL 2 edu 82 | WOLF GmbH 6810179 | 202401...
- Page 83 CGL 2 edu 6810179 | 202401 WOLF GmbH | 83...
- Page 84 WOLF GmbH | Postfach 1380 | 84048 Mainburg | Germany Tel. +49 8751 74-0 | www.wolf.eu Please send suggestions and corrections to feedback@wolf.eu...
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