Wolf KG Standard, Installation And Maintenance Instructions Manual

Page 1: ...ainburg Tel 49 0 8751 74 0 Fax 49 0 8751 74 1600 Internet www wolf heiztechnik de Part no 3040530_201503 Subject to modifications GB Installation and Maintenance Instructions Air handling unit KG Standard Translation of the original ...

Page 2: ...nection 11 13 Commissioning 14 17 Maintenance 18 20 Frost protection 20 Checklist 21 Notes 22 23 Order specific appliance details such as weights dimensions noise data spare parts energy data etc can be found in the order datasheets Original WOLF spare parts can be obtained quickly by faxing 49 0 8751 74 1574 and stating the order number on the type plate ...

Page 3: ...ion and maintenance instructions information labels are attached to the unit These must also be observed Please note Safety instructions Onlyqualifiedandtrainedpersonnelmaybeappointedfortheinstallation commissioning servicing and operation of the unit VDE regulations or local regulations and those of your local power supply utility are applicable to electrical installation work Onlyoperatetheunitw...

Page 4: ...eached by upper and lower limbs DIN EN 349 Safety of machinery Minimum gaps to avoid crushing parts of the human body DIN EN 60204 1 Safety of machinery Electrical equipment of machines DIN EN 60730 Automatic electrical controls DIN EN61000 6 2 and 3 Electromagnetic compatibility VO EU 327 2011 Fans VO EU 640 2009 Electric motors For installation and maintenance the following regulations and safet...

Page 5: ...e units Upon receipt of the goods check the appliance or components for transport damage If there is any damage or even a suspicion of damage the recipient must indicate this on the consignment note and have it countersigned by the haulier The recipient of the goods must notify WOLF of the relevant facts without delay Installation room Only site the KG air handling units in a room that is free fro...

Page 6: ...s in the cubes All small parts required for assembly plus loose accessories are supplied in a unit with an inspection door preferably a fan section This unit will be marked with a label reading Accessories inside unit In order to completely waterproof the unit apply the self adhesive sealing tape supplied with the unit to one side before the cubes are joined For units with a scrubber use a base fr...

Page 7: ...separately and must be linked together on site using the unit connectors and drilling screws provided Upper and lower or adjacent unit sections cannot be fitted together until the various transport units have been assembled at the final installation site Stacked units 60 A B A B Length Transport unit Length Transport unit Stacked units Mat no 6609800 Drilling screw 5 5 x 19 Mat no 3490234 Drilling...

Page 8: ...ischannelledintheoppositedirection to the air flow The relevant flow connection is therefore always located on the air discharge side of the heat exchanger The heat exchangers must be connected in such a way that no mechanical stress from the pipework is transferred to the heat exchangers Furthermore the transmission of vibrations and thermal expansion between the air handling unit and the pipewor...

Page 9: ...mbled unit into the cooler section the cooler bank will be held in place in the guide rails Fit casing Please note When installing the scrubber ensure that no dirt or other solid matter enters the scrubber as this would block the pump impeller and seriously impair or completely destroy the pump If standard requirements apply the water used for the scrubber must have at least the following quality ...

Page 10: ...ector It is not permissible to join several drains to a common siphon The ball siphon is self filling A float ball prevents air being drawn in when the system is dry so the initial condensate created can fill the siphon The ball also actsasanon returnvalveandpreventsthesiphonfrombeingcompletelydrained In order to be able to fit the siphon ensure that the foundation is of the correct height The eff...

Page 11: ... correctly Always install an earth conductor Check the earth conductor Risk to life through electrocution Only use cables that meet the prescribed wiring regulations with regard to voltage current insulation material load etc Ensure that there is sufficient protection against contact Before working on an electrical connection the mains connections and PE must be short circuited Check whether the d...

Page 12: ...hat you take note of the connection diagram in the terminal box becauseifconnectedincorrectly themotormaynotbeabletoprovide its full output or may be destroyed FormotorswithPTCthermistors useaPTCthermistortriggerdevice formotors with thermal contacts use an interlock contactor and for motors without PTC thermistors or thermal contacts use a thermal overload relay If connecting several KG Connect t...

Page 13: ...on Dual speed control 2 separate windings Version for e g 1000 1500 rpm or 750 1000 rpm 2U1 1U1 L1 L2 L3 N 2V1 1V1 2W1 1W1 L1 1U1 1W1 1V1 L2 L3 L1 2U1 2W1 2V1 L2 L3 01 2 1U1 2U1 1V1 2V1 1W1 2W1 L1 L2 L3 Low speed High speed Contactor control Pole changing switch Dual speed control in a ratio of 1 2 tapped winding configuration Version for e g 1500 3000 rpm or 750 1500 rpm L1 1U 1U 2U L1 L2 L3 N 1V...

Page 14: ...be undone using an Allen key After adjusting the pulley firmly retighten the locking screws and adjust the V belt tension correctly When tightening both locking screws must rest on the flattened threaded shaft Check that the V belt has the correct tension for retightening see chapter on Maintenance The V belt pulleys must be in perfect alignment Turn ON the ON OFF switch Check the rotational direc...

Page 15: ... discharge temperature 40 C if the heater is located on the intake side otherwise there is a risk that the motor will overheat Protect heat exchangers against frost Be careful of hot surfaces of heat exchangers and connectors Risk of burns Louvre damper accessory The louvre dampers may need to be insulated on site against both sound emission and the formation of condensate In the case of louvre da...

Page 16: ... the safety temperature limiter connected in series Ensure that at least one safety temperature limiter is located at the top on the inside of the heater The electric heater bank must be protected from moisture and water Please note Cooler cold water Before commissioning check the entire pipework system for leaks Vent the heat exchanger and pipework system Secure the condensate drain to prevent th...

Page 17: ... the overflow outlet If installed adjust the run dry protection and automatic desalination device as explained in separately supplied instructions Note Mist eliminators allow moisture through for a limited time due to their surface structure resulting from their manufacturing process This is not a technical fault Please note Cooler direct evaporator Before filling the refrigerant circuit with refr...

Page 18: ...rge fan bearings with grease nipples with lithium soap grease after approximately 50 hours run and then every 2500 hours run Maintenance free bearings are permanently lubricated and are identified accordingly with labels Standard three phase motors are maintenance free In the case of special motors follow the maintenance instructions of the motor manufacturer Initially adjust the tension of V belt...

Page 19: ...th the flange or edge as this could destroy the belt Please note Examples test mark distances Slack 250 mm 350 mm 500 mm Tensioned as per imprint on belt Heat exchanger heater cooler Louvre dampers Check for contamination and clean at regular intervals Clean the heat exchanger by on of the following means vacuuming blasting with compressed air spraying with water or steam Air water steam pressure ...

Page 20: ...holder only with reduced water pressure If the water pressure is too high there is a risk of destroying components Commercially available descaling agents can be used Foaming cleaning agents are not suitable The scrubber pump is maintenance free However when cleaning the scrubber we recommend flushing the pump and pipework with clean water If the scrubber is idle for a prolonged period run the pum...

Page 21: ... 6 Check steam lance for deposits Clean 6 Check the hygiene level 6 Heat exchanger Check for contamination damage and corrosion Clean and repair 3 Check the function of the siphon Repair 3 Check the hygiene level 6 Fan Check for contamination damage and corrosion Clean and repair 6 Heat recovery Check condensate pan and mist eliminator for contamination corrosion and correct function Repair 3 Chec...

Page 22: ...22 3040530_201503 Notes ...

Page 23: ...3040530_201503 23 Notes ...

Page 24: ...Wolf GmbH Postfach 1380 D 84048 Mainburg Tel 49 0 8751 74 0 Fax 49 0 8751 74 1600 Internet www wolf heiztechnik de Part no 3040530_201503 Subject to modifications ...