WRS-K installation and operating instructions
Contents
1. after adiabatic cooling faulty or not connected AL 72 Adiabatic cooling will be disabled system continues to operate Sensor or lead faulty Check sensor and lead acknowledge fault message Service humidifier for adiabatic cooling AL 73 Message only Humidifier requires a service Service humidifier acknowledge fault message 3063167_2012032. current status subject to the adiabatic cooling connected components l OFF gt Overview Esc BACK 41 SELECTION DISPLAYS Fan stage Fan speed Heating circuit pump Hot water valve Pump cooling circuit Cold water valve Electric heater bank Direct evaporator Mixed air damper Heat recovery Humidifier Ext enabling bhetbdbd tds tad l Enable adiabatic cooling 6 3063167_201203 WOLF 4 Programming level 2 Heating contractor menu Standard mask 5 Main menu e gt Heating contractor Setting heating contractor parameters WW IE The Wolf logo will be displayed Pressing prompts entry of the heating contractor password 1234 which can then be changed with T By confirming with you reach the heating contractor menu There by pressing V you select from the menu choices displayed After selecting the required menu choice you call up the required submenu by pressing Pressing Esc returns you to the standard display If no adjustment is made for more than 2 minutes the standard display will return Heating contractor automatically d Overview Password 1234 wolf heiztechnik de Alarm management Service Backup mode Night ventilation Limits Preheat program Pump control Air dampers Cooling Heating contractor menus Alarm management Service LLALLA ae backup mode pum Night ventilation Limits Esc BACK 4 SELECTION DISPLAYS Cooling Standard mask CE gt Main me
3. is indicated by a symbol in the top r h corner Further alarms can be called up by means of the scroll keys Alarm messages Effects Cause Remedy Humidifier for adiabatic cooling fault AL 67 Adiabatic cooling shutdown system continues to operate Fault recognition through humidifier humidifier faulty Check humidifier acknowledge fault message No cooling capacity Adiabatic cooling AL 68 Adiabatic cooling shutdown system continues to operate Faulty water connection Check water supply line acknowledge fault message Service adiabatic cooling disabled remove humidifier AL 69 Water supply line drained adiabatic cooling disabled freshwater contact humidifier can be removed Outdoor temperature is below the value of the Draining parameter Check whether a freshwater contact humidifier has been installed Check whether the outside temperature has exceeded the value of the parameter Filling and has activated adiabatic cooling Humidifier for adiabatic cooling scaled up AL 70 Display only Limescale deposits inside the humidifier increased air resistance and reduced cooling capacity Replace freshwater contact humidifier Risk of freezing for humidifier Room temp too low AL 71 System will be shut down or does not start Room or extract air temperature below 3 C Heat up room to above 3 C acknowledge fault message Temp sensor
4. DISPLAYS Manual mode Subject to the humidifier selected the available outputs can be switched on or off Condition system switched OFF Manual mode Adiabatic cooling Enabling Drain valve Esc BACK 4 SELECTION DISPLAYS Digital inputs All digital inputs in connection with the adiabatic cooling are displayed with their current status contact closed or contact open Digital inputs Fault burner ID Humidifier scaling IDO1 KLM E Adr 1 Esc BACK SELECTION DISPLAYS 3063167_201203 9 WE IF Freshwater contact humidifier TIC Au TIC FOL 1 Key 1 Freshwater contact humidifier 2 Control valve 3 Drain valve Recirculation contact humidifier AUL gt M FOL 1 TIC Pan inlet valve Pan drain valve Pump Level switch Inlet line drain valve i P OXOX XO 5 System examples Opt NUS gt SZ X1 ES re opt 3063167_201203 WLOIF 5 System examples High pressure humidifier o AUL gt Tc Opt TIC zx m E 3 O FOL lt Key 1 High press humidifier gt 2 Pump assembly OX XK 3 Control unit 4 3063167 201203 11 WOIF 6 Fault messages Alarms are signalled by the red LED flashing Pressing the key displays the alarm in plain text pressing the key on the alarm display again acknowledges remedied alarms If several alarms are active this
5. F 3 Programming level 1 Displays Standard mask E gt Main menu e Displays Menus Displays All available sensors and components are displayed In addition the software version and system configuration can be scanned Sensors Lm Pressing TV enables the selection from the menu choices shown in the overview PISIS DUR After selecting the menu choice pressing calls up the required submenu other EscBACK 4ISELECTION DISPLAYS Overview Sensors Components gt Hours run gt Other Sensors Standard mask CE gt Main menu e Displays e Sensors Displays AS 09 Extract air temp after adiabatic humidificat 2 T E 8 9 C Overview 0019 2 C Pressing TV enables the display in sequence of the actual values of connected sensors T EISELECTION DISPLAYS Room temperature Ice sensor Rel humidity room gt Outside temperature day Vent air temperature Outside temperature overall Rel hum vent air Air quality Extract air temp Air pressure gt Rel hum extract air gt Flow rate Outside temperature Set value transducer Temperature downstream of the humidifier The calculated extract air temperature resulting from humidifying the extract air downstream of the humidifier is shown in small figures below Components Standard mask c Main menu gt Displays C gt Components Displays Enable Pressing V enables the display in sequence of the
6. WOIF WRS K installation and operating instructions Adiabatic cooling Translation of the original Example freshwater contact humidifier with removable finned block Valid for software version 2 2 016 or higher Wolf GmbH Postfach 1380 84048 Mainburg Tel 08751 74 0 Fax 08751 741600 Internet www wolf heiztechnik de Part no 3063167_201203 Subject to technical modifications WOLF Index 1 Information on this documentation 3 1 1 Other applicable documentation eee 3 1 2 Safekeeping of these documents esses eene nennen nennen nnn 3 1 3 Symbols and warnings used eeeeeeeeeeeeeeeeeee enne nennen nenne nnne nnn innen nnn nennt nn 3 1 4 Applicability of these instructions sise 3 1 5 WarningS E 3 1 6 Maintenance repalr ccs cevevss cetdicnctenctaccaeunsesuactecascteaeedscuueaesseetiunadcaceteucteazastvnateciececaeedschaseitsectinnad 3 1 27 Disposal uie ente en nell cette ata meccanici dire 3 2 Function descripliOn 65522 iiie nds doa c cs ur ER sse ep esse S cs ca ns ELE 4 Cooling sequence ende ici creer dedere ei idees enr beds 4 Demand dependent DHW volume control 4 3 Programming level T i iecit tco oa ete aca toned um xeu cu RUSSE M NI E cIp LS E CIDdE C 5 6 Mahi TATE REESE TRO DD TL 5 Standard settings uini aet ab Heb e E Le n ec de RC d Pd dens 5 Adiabatic cooling enable disable eene 5 DiSsplayS tiet eee eme te
7. and the drain valve opened if this function is enabled and the outdoor temperature exceeds the value set for parameter Drain This prevents frost damage In the case of fresh water contact humidifiers a service message Pull humidifier will also be issued The humidifier can then be removed to minimise the pressure drop The drain valve is closed if the outdoor temperature exceeds the value set for parameter Filling Parameter Setting range Factory setting Enable draining Yes No No Draining 0 20 C 6 C Filling 0 30 C 20 C Drying Initially adiabatic cooling will be disabled when the system is shut down time program or manually The system runs on without adiabatic cooling for the selected drying time The system shuts down once the drying time has expired The system will be dried at least for the selected time if a drying contact has been fitted If the contact remains closed after expiry of this time the system continues to operate until the contact opens Parameter Setting range Factory setting Humidifier drying time 0 120 min 10 min 60 min for high pressure humidifiers for contact humidifiers Hygiene function for recirculation contact humidifier To prevent a constant increase in the mineral concentration in the water held in the water pan and in order to counteract the growth of bacteria a regular draining interval or time dependent of the w
8. ater pan can be enabled Parameter Setting range Factory setting Hygiene function 1 365 days 90 days interval Time 00 00 23 59 h 00 00 h Scaling with freshwater contact humidifier The level of scale build up is captured by a differential pressure switch The contact closes and an alarm message is issued if the pressure differential upstream and downstream of the humidifier exceeds a selected threshold An alarm delay may be set Additional parameters Start delay cooling bank Parameter Setting range Factory setting Min fresh air with adiabatic 0 100 100 cooling Alarm delay scaling 0 600 s 60s 0 30 min 10 min 3063167_201203 WLOIF 4 Programming level 2 Service Standard mask a gt Main menu e Heating contractor e gt Service Service menus Settings and displays to assist in servicing the system Hours run Pressing TV enables the selection from the menu choices shown in the overview Sensor adjustment um After selecting the parameter you call up the required submenu by pressing Manual mode Digital inputs PCa ccm EVE Overview Hours run gt Sensor adjustment Manual mode Digital inputs Sensor adjustment At this point a sensor correction can be implemented for the temperature sensor WEN downstream of the humidifier Extract air temp after adiabatic cooling 0 0 K Esc BACK ISELECTION
9. ied electrical fuse ratings must be observed see specification Any damage or loss resulting from technical modifications to Wolf control units is excluded from our liability Observe the following information regarding the disposal of faulty system components or the system at the end of its service life Dispose of all equipment in accordance with applicable regulations i e separate material groups correctly The aim should be the maximum possible recycling of basic materials with the least environmental impact Never throw electrical or electronic scrap into the household waste but recycle it appropriately Generally dispose of materials in the most environmentally responsible manner according to environmental recycling and disposal standards WE IF 2 Function description If the system provides adiabatic cooling a freshwater contact humidifier recirculation contact humidifier or high pressure humidifier can be switched subject to selection The following describes the function the required parameters and additional fault messages associated with adiabatic cooling Cooling sequence If recirculation dampers are fitted initially the natural cooling control if enabled is activated when there is a cooling demand Adiabatic cooling will be called up if the fresh air damper is 100 open when natural cooling control is active and additional cooling capacity is required At this point the heat recovery regulates the ventila
10. nu e gt Heating contractor e Cooling Adiabatic cooling EER Enthalpy controlled enabling Block via differential The expected extract air temperature downstream of the humidifier is calculated extract outdoor air 02 0 K using the extract air temperature and the extract air humidity Min cooling differen Enabling requires the following conditions to be met Extract air 03 0 K EscBACK 4 SELECTION DISPLAYS amp 1 The differential between the expected extract air temperature downstream of the humidifier and the outside temperature must be greater than the value of parameter Block via differential extract outdoor air outdoor Texagn gt parameter 2 The differential between the extract air and the expected extract air temperature The value downstream of the humidifier must be greater than the value of parameter Min cooling differen Texa T gt parameter Temperature differential K EXAd h Extract air temperature Outside temperature Expected extract air temperature Enabling 1 0 Parameter Setting range Factory setting Block via differential extract 0 10K 2K outdoor air Min cooling differen extract air 0 10K 3K 3063167 201203 7 WE IF 4 Programming level 2 Draining the water supply line If a drain valve is fitted to the water supply line to the humidifier the line can be drained subject to outside temperature The supply valve will be closed
11. r aee tese deed uet died p de ete eat ae 6 DEMSOMS ies d cU LU LE a uL M nU e iL 6 Components nn nb eene deletis Moa esito ice esee dut 6 4 Programming evel 2 rore nn en dencre esse seen 7 9 Contractor one eet ee ele ELI Dele T 7 GODIN irr iiiter ee nitt itte dietis eletti le A tte iae 7 Enthalpy controlled enabling sese ss 7 Draining the water supply line 8 Blade Em 8 Hygiene function for recirculation contact humidifier eee 8 Scaling with freshwater contact humidifier 8 Additional parameters 8 SOVICE An D ITI LIU LIII 9 Sensor adjustment tpe it RH petam ei pr ian ite 9 Manual Mode a ot RID e ueniet uae emeret 9 Digital Inputs tases moment hates a este Atti arate ha eet 9 5 System examples eiin ERREUR RE RC a aaae anaana Ea ER apa aa aR EEEo aN 10 11 Gz EEEo CD Ee RS 12 2 3063167 201203 WCF 1 1 Other applicable documentation 1 2 Safekeeping of these documents 1 3 Symbols and warnings used A A Please note 1 4 Applicability of these instructions 1 5 Warnings 1 6 Maintenance repair 1 7 Disposal 3063167 201203 1 Information on this documentation The additional installation and operating instructions from Wolf control system for air conditioning WRS K and that of all accessories used also apply The system user or operator should ensure the safekeeping of all inst
12. ruction manuals Pass on these operating instructions as well as all other applicable manuals The following symbols are used in conjunction with these important instructions concerning personal safety as well as operational reliability Safety instructions must be complied with to the letter to prevent risks and injuries to individuals and material losses on the appliance Danger through live electrical components Please note Switch OFF the ON OFF switch before removing the casing Never touch electrical components and contacts when the ON OFF switch is ON This results in a risk of electrocution that may lead to injury or death The supply terminals are live even when the ON OFF switch is in the OFF position Please note indicates technical instructions that must be observed to prevent material losses and equipment malfunctions This information sheet applies to systems with adiabatic cooling in connection with the Wolf control system for air conditioning WRS K Removing bypassing or disabling of safety and monitoring equipment is not permissible The system must only be operated if it is in perfect technical condition Immediately remove remedy any faults and damage that may impact on safety Regularly check the perfect function of all electrical equipment Only qualified personnel may remove faults or repair damage Only replace faulty components or equipment with original Wolf spare parts Specif
13. tion air temperature to the actual set value The cooling unit if installed is called up if heat recovery is 10096 open and additional cooling capacity is required Natural cooling control Adiabatic cooling Cooling bank Demand dependent DHW volume control Subject to the saturation level of the humidifier enabling or inlet valve will be switched The valve will be opened until the extract air cannot absorb any more moisture 3063167 201203 WOLF 3 Programming level 1 Main menu Pressing Esc takes you to the main menu where pressing TV enables the selection between the menu choices shown in the overview After selecting a menu Main menu choice pressing calls up the required submenu Pressing Esc returns you to the standard display If no adjustment is made for more than 2 minutes the standard Standard setlinigs display will return automatically Displays 4 bd 1 Time functions Overview Heating contractor Esc BACK SELECTION DISPLAYS gt IN Standard settings Displays Time functions gt Heating contractor Adiabatic cooling Standard mask E gt Main menu e Standard settings STANDARD SETTING GE 29 Adiabatic cooling active N O Pressing enables the activation of adiabatic cooling By pressing this key a second time it can be disabled Pressing TV enables the selection of the following default setting Humidifier installed Esc BACK SELECTION DISPLAYS 3063167_201203 WLOI
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