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Wolf KG 15, Installation And Maintenance Instructions Manual, Page: 2 / 20

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Contents

Contents ...................................................................................... Page

Warnings / Notes on safety .................................................................. 3

Standards ............................................................................................ 4

Delivery to site / Transportation ............................................................ 5

Notes on installation ........................................................................ 6-12

Connection to electricity supply .................................................... 13-14

Initial operation .............................................................................. 15-17

Maintenance ................................................................................. 18-19

Protection against frost ...................................................................... 19

Summary of Contents for KG 15

Page 1: ...1 Art Nr 30 40 530 Installation and Maintenance Instructions KG KGW Standard air conditioning units 10 00 TV GB Wolf GmbH 84048 Mainburg Postfach 1380 Telefon 08751 74 0 Telefax 08751 741600 ...

Page 2: ...ents Page Warnings Notes on safety 3 Standards 4 Delivery to site Transportation 5 Notes on installation 6 12 Connection to electricity supply 13 14 Initialoperation 15 17 Maintenance 18 19 Protection against frost 19 ...

Page 3: ...formed by a trained and qualified electrician Work on electrical systems is subject to VDE regulations and the regulations of the local power utility Operate the air conditioning unit only within the nominal range specified in the WOLF technical documentation Use as designated by the manufacturer is use solely for the purposes of ventilation Atmospheric air is the only permitted medium This air mu...

Page 4: ...N EN 349 Safety of machinery minimum gaps DINISO1940 1 Mechanicalvibration balancequalityrequirements VDMA24167 Fans safety requirements VDE 0100 Erection of power installations with rated voltages below 1000V VDE 0105 Operationofpowerinstallations VDE 0700 Part 500 Safety of household and similar electrical appliances VDE 0701 Part 1 Repair modification and inspection of electrical appliances VBG...

Page 5: ... to the distance between the eyebolts L Make sure all ropes are the same length TheweatherproofedKGW630to1000air conditioningunitsarefittedwithlifting eyes as standard Always use cross bars when lifting items of equipment fitted with more than four eyebolts Clearance on the operating side should be at least equal to the width of the unit to permit access for installation operation and maintenance ...

Page 6: ... KGW 630 1000 KGW 630 1000 The units and components must be installed on a base frame or strip foundation Height to suit local snowfall min 200 mm X width or length of unit as appropriate 20 mm Thebaseframesmustbehorizontalandthefoundationsmustbesmooth topped andhorizontal Make sure that the bottom of the frame is in full face contact with the supporting surface spot support is not permissible Per...

Page 7: ...advanceareinsectionsandmustbeassembledonsite inaccordancewiththeinstructionsenclosedwiththeshipment thenalignedand secured to the supporting surface The matrix of base frames of sectional units delivered complete with their base frames matches that of the units KGW The base frame has to be insulated and integrated into the roof sealing systemonsite Itisadvisabletoinsulatebaseframesdeliveredinadvan...

Page 8: ...accessoriespacked inside a section with an inspection door usually the fan section This section bearsanadhesivelabelmarked ZubehörimGerät accessoriesinside byway ofidentification Toensurethatthesectionsarefullysealed beforeboltingthecubestogethermake sure that the self adhesive sealing tape KG or the permanently elastic sealing compound KGW supplied with the sections is correctly installed KG15 25...

Page 9: ...crews After securing the sections together donotforgettofittheenclosedplasticcapstothetipsoftheself tapping screws KG 40 250 An adhesive label on the face of the skinning panel bearing the words Zur Gerätemontage Verkleidungsplatte abnehmen remove panel for assembly indicates the positions of the pre drilled holes The unit is delivered to site fully assembled The sections can be separated for hand...

Page 10: ... patches down firmly Coat the butt joints between the sections with bonding agent and position the strips of self adhesive roofing material over the joints remove the backing paper and press down firmly Fillthejointsbetweensectionswhichcarryairaboveatmosphericpressure thosedownstream of the fan in other words with Rhepanol paste before applying the strips of roofing material At the intersections o...

Page 11: ...large diameter port and the condensate drain must always be at the bottom When connecting the flow and return pipes always counter hold the threaded adapters of the heat exchanger to avoid torsional loading Make sure that adequate provision is made on site for bleeding and draining Make sure that a siphon is connected to the condensate drain of the chiller tray Outside the skinning panels the pipe...

Page 12: ...phon is obtained from other sources calculate the height as shown in the illustration on the left The effective odor trap height H mm must be greater than the maximum partial vacuum or overpressure in Pa in the air conditioning unit 1 mm WG 10 Pa The difference in height between the drain outlet and the siphon overflow must also be H mm It is always important to take the height of the foundation i...

Page 13: ...0701 Part 1 and VDE 0700 Part 500 or comparable national safety codes Use only electric motors designed to drive fans Always comply with the wiring diagram in the terminal box Use a thermistor type trigger for a motor with PTC thermistor an interlock contactor for a motor with thermo contacts or a thermal overcurrent relay for a motor without PTC thermistor or therm contacts Connection to electric...

Page 14: ...pm or 8 6 4 pole 750 1500 rpm with Dahlander winding Wiring for three speed drive 2 separate windings 1 is a Dahlander winding For fan drives with speeds of 500 1000 1500 rpm or 8 6 4 pole 500 1000rpmwithDahlanderwinding Contactorcontrol Wiringofthewindingphases Wiring at terminal board Theendsofthethree windingphasesconnectto theY deltaswitch Delta circuit Y circuit Y deltaswitch Low speed Highsp...

Page 15: ... on tensioning the Vee belt Make sure that the Vee belt pulleys are in correct alignment Switch on the mains switch Briefly switch on the drive motor and check that the fan impeller s direction of rotation is correct Reverse the direction of rotation if necessary The inspection door of the fan section has to be opened for this purpose so proceed with the utmost caution Measure the air throughput C...

Page 16: ...that condensation drains correctly to prevent the condensate tray fromoverflowing Before starting up a cold water chiller for the first time check that the concentration of antifreeze agent in the chilling water is adequate for the anticipated temperature range If antifreeze has to be added note that the chiller scoolingpowerdiminishesinproportiontotheincreaseinconcentration of antifreeze agent to...

Page 17: ...r Fill the washer tray until water drains off through the siphon Briefly start the washer pump and check the direction of rotation reverse the direction of rotation if necessary Check the current consumption of the pump motor Do not permit the washer pump to run dry The pump will suffer severe damage if it runs dry Switch on the air intake fan Switch on the washer pump Adjust the float valve the w...

Page 18: ...roftheKG160 250and630 1000canbemovedonitsrectangular section mounts To tension the drive belt slacken the securing screws of the rectangular sectionmountsandthelocknutsofthetensioningscrews Tightenthe tensioningscrewsuntilbelttensioniscorrect whilecheckingthatthebeltpulleys are in perfect alignment Tighten the locknuts and the securing screws CorrectVee belttension The Vee belt is correctly tensio...

Page 19: ... be regenerated They can be tapped clean blown clean with compressed air or washed in lukewarm water containing a detergent for sensitive fabrics Allow the mats to drip dry do not wring out The bag type filters cannot be regenerated and must be replaced when clogged to the extent that the pressure loss increases to the maximum permissible limit Washer Filter Heat exchangers Warm water hot waterhea...

Page 20: ...ditioning units type KG KGW and KG WO including the special control cabinets for said products and the control accessories room thermostats room thermostat timers remote control units actuating motors valves valve drives channel sensors room temperature sensors room temperature sensors with setpoint generators antifreeze thermostats remote setpoint generators differential pressure sensors safety t...

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