FläktGroup CAIRfricostar Operation Manual Download Page 60 | Manualshive

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Maintenance

CAIR

fricostar

®

60

FläktGroup DC-2009-0019-GB 2018-01/R9 • Specifications are subject to alteration without notice

9.1.1 Routine cleaning of fins

Fins require cleaning to ensure that the heat exchanger continues operating at full
capacity. Use a brush (not wire brush) or an industrial vacuum cleaner for this purpose.
Do not use hard or sharp cleaning tools!

Use compressed air stream against airflow direction or water spray at low pressure to
clean copper or aluminium fins.

9.2

Maintenance frequency (checklist)

Observe maintenance frequency specified in the European guidelines and standards
(e.g. VDI 2089).

The following tables shortly specify required maintenance intervals and associated
procedures. Detailed description of maintenance jobs for individual units components
is specified on page 63 et seq.Additional maintenance jobs to be carried out within the
first three months following commissioning are specified in „Table 9-1“ .All other main-
tenance jobs and their frequency are specified in „Table 9-2“ .

Within the first two years following commissioning consider „Maintenance log book for
your CAIRfricostar – Dehumidifier Units for indoor pools“ on page 73 in the Appendix
of the current operation manual.

HAZARDOUS VOLTAGE AND RISK OF ROTATING COMPONENTS! OB-
SERVE PERSONAL PROTECTION MEASURES

Please consider the safety instructions on page 58.

DANGER – SHARP CUTTING EDGES!

Observe precaution when cleaning due to risk of cuts on thin and sharp edges.

ELECTRICAL HAZARD AND DANGER OF ROTATING UNIT PARTS WITH
SHARP EDGES! OBSERVE PERSONAL PROTECTION MEASURES

Please consider the safety instructions for all described maintenance procedures
page 58 a nd page 59!

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Summary of Contents for CAIRfricostar

Page 1: ...CAIRfricostar OPERATION MANUAL ...

Page 2: ...it configuration and operation of CAIRfricostar Micro compact units 15 3 4 Technical specifications 17 4 Shipping and Storage 20 4 1 Delivery 20 4 2 Transport 20 4 3 Storage 23 5 Mounting 24 5 1 Unit placement 24 5 2 Assembling the unit 27 6 Installation 38 6 1 Requirements 38 6 2 Installing air conveying components 38 6 3 Installing air handling components with coil connections 38 6 4 Installing ...

Page 3: ...70 9 11 Plate type heat exchanger 70 9 12 Damper blades and shut off dampers 70 9 13 Sound attenuator 70 10 Disassembly and Disposal 71 10 1 Dismantling 71 10 2 Disposal 71 11 Troubleshooting 72 12 Appendix 73 12 1 Maintenance log book for your CAIRfricostar Dehumidifier Units for indoor pools 73 Original operation manual Copyright note Disclosing copying distributing or taking any action in relia...

Page 4: ...n of swimming pools X SX Unit 1 Standard without accessories 2 Standard with accessories 3 Special design T Complete F Fixed P High Performance swimming pool S Standard swimming pool V High Performance swimming pool as of VDI 6022 I Indoor installation H Horizontal N Side by side U Double deck E Single unit E Single casing Z Supply air A Return air Unit width internal size in cm Unit height intern...

Page 5: ...companies operators building techni cians technical personnel or instructed persons as well as electricians This operation manual must be available at the location of the unit at all times When working on the equipment observe all instructions and precautions in the current oper ation manual in particular the chapter on safety 2 2 Scope of the operation manual This operation manual provides inform...

Page 6: ...he unit To connect counter hold with a pipe wrench Attention fire risk Dust laden filters are inflammable Before opening use the main isolator to disconnect power Risk of injury Wait until complete stop before opening Type sheet and assembly instructions attached to unit inside Remove these docu ments before the unit commissioning Do not start up the fan against closed dampers Potential equalisati...

Page 7: ...sor Air cooler air refrigerant Sound attenuator in unit Air heater cooler with heat recovery function Air water ECOFLOW General air filter indicating air flow direction Air heater cooler with heat recov ery function Air ECOSTAT Opposed blade dampers Air heater cooler with heat recov ery function air air ECOPLAT Air heater air water General controller Electric air heater Droplet separator Air coole...

Page 8: ...ons for the prevention of personal injury and damage to units through falling components DANGER OF HOT SURFACES This section specifies procedures and precautions for preventing personal injury due to hot surfaces DANGER OF SCALDING This section specifies procedures and precautions for the prevention of personal injury resulting from scalding by steam DANGER OF INFLAMMABLE MATERIALS This section sp...

Page 9: ...are generally used in privately owned and public swimming pools Proper use also includes observance of the operation manual and the inspection and maintenance conditions stipulated by FläktGroup Improper use Any use other than that described above is considered improper The manufacturer supplier is not liable for any damages arising from improper use The user alone bears the risk HAZARDOUS VOLTAGE...

Page 10: ...aterial type in a safe and environmentally friendly manner also refer to chapter Disassembly and Disposal on page 71 2 11 Selection and qualification of personnel Ensure that every person working on the FläktGroup unit has read and understood entire operation manual All jobs must only be carried out by qualified licensed staff or other individuals with proper professional training and experience i...

Page 11: ... sub assemblies that can pass through the available on site openings in the course of installation FläktGroup CAIRfricostar units are also suitable for the mod ernisation and retrofitting of existing buildings due to the number of available unit sizes and a unit ordering option providing for delivery in small shipment units 3 2 Modular unit configuration and operation of FläktGroup CAIRfricostar T...

Page 12: ...turn air is mixed without further treatment with dehumidified air that has passed through the refrigeration cycle The dehumidification stage continues until the actual humidity value lies below that of the humidity setpoint Then the refrigeration unit is deactivated When in active hours swimming pool mode the fresh and exhaust air dampers are opened the bypass damper is closed To start dehumidific...

Page 13: ... refrigeration cycle can be fed back into swimming pool water 3 2 4 CWR units The FläktGroup CAIRfricostar CWR is designed for various kinds of private and public swimming pools This unit series can deliver air flow rate from 750 up to 45 000 m h The unit s function is to dehumidify and heat air in swimming pools in mixed air mode These units are equipped with an efficient heat recovery facility T...

Page 14: ...ontinues until the actual humidity value falls below that of the humidity setpoint Then the refrigeration unit is deactivated In the pool mode outside air and extract air dampers are open to ensure a pre set min imum rate of outside air for hygienic reasons Then the refrigeration unit is activated Depending on the swimming pool humidity the outside extract air rate is regulated automatically Using...

Page 15: ...r rate is regulated automatically In case of overheating of the swimming pool the refrigeration unit is deactivated and the bypass dampers are permanently open in order to avoid heat recovery system 3 3 Unit configuration and operation of CAIRfricostar Micro compact units Thanks to the modular design of the units and various applications for each case a customer can select a wide range of unit con...

Page 16: ...ygienic minimum rate of outside air Depending on the swimming pool humidity the latter is regulated continuously In the event of overheated swimming pool the bypass damper is opened to divert the heat recovery facility Using an optional pool water condenser a certain amount of excess energy produced by the refrigeration cycle can be fed back into swimming pool water 3 3 2 CWT units The FläktGroup ...

Page 17: ...ng pressure and temperature Heating cooling coil 16 bar 90 C Minimum operating tempera ture Heating cooling coil 6 C 3 4 3 Allowable storage conditions allowable air condition for non installed units Air temperature 5 C to 50 C Air humidity Store units in a dry non condensing atmosphere 3 4 4 Supply voltage The required supply voltage is specified in the order related documentation e g 3 phases 40...

Page 18: ...ing on the temperature and relative humidity at the installation site for series CAIRfricostar and CAIRplus SX T and SX K The diagrams are based on normal air values and are calculated using a model box The given values are approximate figures and can not be used as a guarantee for avoiding condensation Depending on different casing components deviations are possible Read example Air temperature o...

Page 19: ...9 CAIRplus SX K without thermal separation Condensation diagram for kb value 0 5 CAIRplus SX M partial thermal separation Condensation diagram for kb value 0 62 Air temperature on unit external side in C Air temperature on unit internal side in C Air temperature on unit external side in C Air temperature on unit internal side in C ...

Page 20: ...e to the FläktGroup office in writing 2 Take photographs of the damaged parts 3 Possible shipping damage must be reported no later than 4 days following the delivery Processing of claims will not be possible if the above mentioned steps are not fulfilled In both cases before installing the units consult the FläktGroup office 4 2 Transport For shipping and rigging the FläktGroup unit use the liftin...

Page 21: ...nt units weighing up to 1500 kg Lifting lugs are designed for vertical loads only Do not use lifting lugs for lateral loads pulling of unit on si des Suspension angle between diagonal lifting slings must be within range of 70 110 as shown in Fig 4 1 Lifting lugs may only be used once Do not use lifting lugs for permanent suspension of units Do not lift any other loads together with the shipment un...

Page 22: ... units for outdoor installation ensure that the roof sheets are not damaged by the lifting gear 4 2 3 Shipping with a folk lift truck Always use the unit base frame or the supplied pallet as the supporting surface during transportation Do not lift units without the base frame if the unit profiles are not sufficiently protected When transporting the unit with a forklift both base frame profiles mus...

Page 23: ...rmitted storage conditions permitted air condition for non installed units Air temperature 5 C to 50 C Air humidity Store units in a dry non condensing atmosphere NOTICE Observe the permissible storage conditions when storing the unit Remove the original packaging only before installation If the unit is stored for a period of time before installation or commissioning protect it from damage through...

Page 24: ...will find information on how to assemble and install the unit Mounting and installation shall only be completed by a qualified staff Qualified licensed staff or other individuals with proper professional training must be experi enced in the relevant accident prevention regulations as well as other generally recognized safety and occupational health codes The unit shall be installed in such a way t...

Page 25: ...vice purposes Fig 5 2 Minimum clearance 5 1 3 Foundation requirements for indoor installation The foundation bottom base may protrude a maximum of 20 mm beyond the outer edge of the unit to enable mounting of cover plates or accessories such as condensate traps The supporting points of the foundation must be located at every shipping split Besides ensure that the maximum dis tance between these po...

Page 26: ...te to prevent water and air leakage Ensure that the field provided roof frame is sealed to prevent condensation For instructions on mounting refer to Preparing roof installation on page 32 In areas with heavy snowfalls ensure that the unit is installed at a location where snow can not affect the unit operation Provide for an adequate foundation with an appropriate height NOTICE Do not use FläktGro...

Page 27: ... requirements please consult an acoustic engineer to se lect the most suitable method for neutralising structure borne noise 5 2 Assembling the unit Required tools Electric screwdriver drill Bit holders sockets Sockets of sizes 8 10 Slotted head screw bits sizes 2 3 Open ended spanners sizes 8 13 17 Screw drivers 4 5 6 5 Hexagon socket size 6 Tensioning belts or suitable hoisting device NOTICE See...

Page 28: ... the lug screw and bushing at the section joint then secure the supplied M8 x 30 screw Fig 5 1 Lifting lug at joints Remove the screws on the end walls and secure the sup plied M8 x 70 screw Fig 5 2 Lifting lugs for roof and end wall Roof lifting lug Plastic washer Support bushing Cylinder screw Roof lift ing lug Plastic washer Support bushing Cylin der screw Notice Due to a risk of damage through...

Page 29: ...r Micro units with a split configuration of model sizes 025 to 065 require adequate sealing of the joint in the double plate heat exchanger during assembly Due to the increased condensate formation during dehumid ification mode provide adequate sealing of this zone to en sure a leak free condition see Fig 5 16 Fig 5 8 Installing individual modules NOTICE Lifting lugs are not designed for suspendin...

Page 30: ... another as possible Use the unit base frame only to pull the sections together Use the tensioning belts to pull together units without a base frame Secure the belts on the unit profiles at the bottom or roof section Screw the outer joint connections together Fig 5 3 External view Install the seam cap Fig 5 4 External view Fig 5 9 Unit with base frame Fig 5 10 Unit without base frame max 100 mm ...

Page 31: ...e the screws to secure this joint connection as well Fig 5 5 Internal joint connection Seal pipe and cable ducts to prevent air leakage and condensation For example use PU foam to complete the sealing not included in FläktGroup packaged content Fig 5 12 Pipe duct Additional measures with arrangement types double deck side by side units Connect both unit sections using supplied plates and pre drill...

Page 32: ...provide adequate sealing of this zone to ensure a leak free condition Fig 5 14 Joint seams 5 2 3 Additional measures for units for outdoor installation 5 2 4 Preparing roof installation Remove all lifting lugs 1 Install sealing washers at all screws and tighten them 2 Fig 5 15 Preparing roof installation EQUIPMENT DAMAGE Insufficient or improper sealing by others on site can cause water leakage an...

Page 33: ...ately supplied joint strip Fig 5 16 Installing joint strip Single units 064 xxx to 160 xxx and side by side units 064 xxx to 096 xxx Use the supplied sealant to caulk the roof panel seams 1 Slide the separately provided joint strips 2 over the seams Manually crimp down the overhanging panel 3 at 90 Fig 5 17 Single units 064 xxx to 160 xxx and side by side units 064 xxx to 096 xxx 1 3 2 ...

Page 34: ...ure the separately supplied joint strip as described above Slide the separately provided joint strips 1 from both sides Use a screwdriver to ensure that the connecting plate is placed below the opposite joint strip Use the supplied sealant to caulk the joint strips 2 Secure in place with the fixing screw 3 Fig 5 18 Single unit 188 xxx to 252 xxx with inclined roof design 1 1 3 2 ...

Page 35: ...nd side by side units 128 xxx to 160 xxx Secure the separately supplied joint strip as described on page 33 Use the supplied sealant to caulk the roof panel seams 1 Slide the separately provided joint strips 2 from both sides Secure in place with the fixing screw 3 Fig 5 19 Single units 280 xxx to 312 xxx and side by side units 128 xxx to 160 xxx 3 1 2 ...

Page 36: ...t wall Apply sealant 3 as presented in the figure Attach the separately provided weatherproof covers 4 and use supplied screws to secure them in place Fig 5 20 Centrally split roof panels Consider the following for side by side units with misalignment sizes 128 xxx and 160 xxx Depending on the unit shipping splits install a separately en closed roof panel for side by side casing 1 if necessary as ...

Page 37: ...h double deck units Roof installation for double deck units is identical to the in stallation of single units refer to the specification from page 32 Apply sealant evenly on the surface Use the screws to attach the connecting panel to the end wall 1 Finally produce a concave groove in the sealant Fig 5 22 Roof installation with double deck units 1 ...

Page 38: ...work and unit by using elastic connectors or sound attenuators to prevent structural noise transmission also refer to Neutralisation of structure borne noise on page 19 If using flexible canvas connections between unit and ductwork installation length of the connectors must be smaller than their length in expanded con dition 6 3 Installing air handling components with coil connections Recommendati...

Page 39: ...xed air operation consider the following Description Icon Values Effects in case of dif ference Hydrogen ion concentration pH 7 5 9 7 9 Corrosion Incrustation Calcium and magnesium content Hardness Ca Mg 4 8 5 Δ 8 5 Incrustation Chlorine ions Cl 50 ppm Corrosion Iron ions Fe 0 5 ppm Corrosion Magnesium ions Mg 0 05 ppm Corrosion Carbon dioxide CO2 10 ppm Corrosion Hydrogen sulphide H2S 50 ppb Corr...

Page 40: ...ion in plants with air heaters in recirculating air mode Fig 6 2 Three way distribution control 6 3 2 Installing evaporator condenser components Use special tools and fittings for handling service connections 9 Only with open type refrigeration circuits units are charged with protective nitrogen that audibly discharges when caps are removed NOTICE Using glycol is allowed but the glycol concentrati...

Page 41: ...ndenser Example 1 Fig 6 3 Pool water condenser as a separate circuit Example 2 Fig 6 4 Separate pool water condenser via splash water tank EQUIPMENT DAMAGE Avoid excessive levels of mass flow in the pool water condenser on the water side Consider the technical specifications during the design stage High water flow rate may permanently damage the pool water condenser and thus invalidate the war ran...

Page 42: ...low the procedure specified in example 4 Both the filter unit and the CAIRfricostar unit must regulate the pump A parallel solenoid valve must be installed and regulated instead of control output for PWC pump If required additional contacts to be provided by others on site Install a throttle valve for regulating the water volume 6 5 1 6 2 4 3 1 Pump 2 Filter 3 Pool water condenser 4 Temperature se...

Page 43: ...be completed by others on site Consider that in the design and planning stage a maximum pipework length of max 20 m to be completed by others on site Weather proof For double mixing assembly ECOFLOW The same configuration as with standard but fully integrated and piped in the assembly Fig 6 7 Pipework example counter flow of air to heating medium 1 Charge and drain valve 2 Sluice valve 3 Circulati...

Page 44: ...ltiple drains to a common line with only one trap is not allowed can result in condensate retention 6 4 Installing accessories Refer to the supplied documentation specifying assembly and installation instructions for accessories or field provided accessory items NOTICE Direct connection to a sewage network is not allowed Fill the condensate trap with water prior to commissioning and after extensiv...

Page 45: ...binet is avoided Remove the sealing plug when running a new cable or replacing an existing one To seal the cable conduit again use a soft material e g Armaflex The electrical connection may only be completed by a qualified licensed electri cian Have qualified licensed staff or other individuals with proper professional training and experience in the relevant accident prevention regulations as well...

Page 46: ...tage Electronic motor protection tripping units deactivate motors in the following situations overload ambient temperatures exceed allowed limits locked fan wheel insufficient cooling short circuit in winding wire breakage and loose contacts in the measuring line Extended motor protection With frequent start ups intermittent operation activation rate and to ensure optimum protection against 2 phas...

Page 47: ...als of AC motors are labelled in such a way that the alphabetical sequence of the terminal designation U1 V1 W1 corresponds with the temporal sequence of the phases L1 L2 L3 with clockwise rotation The rotation direction can be reversed by exchanging two connecting wires Single speed electric motors with direct start Exchange the connecting cables e g U1 and V1 Single speed electric motors with Y ...

Page 48: ...Group actuators were mounted at the factory 1 run the prepared and coiled connecting lines 2 for actua tors through available cable openings ensure firm fixation and connection If other actuators are used refer to the relevant documenta tion Fig 7 1 7 2 5 Electric air heater Connect electric heater bank as specified in the enclosed documentation and wiring diagram Connect safety temperature limite...

Page 49: ...x 1 5 mm not for CW_units 2 x 0 75 mm fault contact 9 External safety shut down smoke and gas alarm 2 x 0 75 mm Special configuration for Austria It is usually not necessary to screen the sensor supply line 1 Pool immersion temperature sensor 2 x 0 75 mm 2 Re heater valve 5 x 1 5 mm 3 Outdoor temperature sensor 2 x 0 75 mm 4 On site BMS connections provided by others according to wiring diagram 5 ...

Page 50: ...e 6 x 0 75 mm screened LIYCY JZ 3 Outdoor temperature sensor 2 x 0 75 mm screened LIYCY 0B 4 On site BMS connections provided by others see unit wiring diagram for options 5 Ready to install cable harness for separated model sizes 025 065 is run by others in unit section 2 proper connection on site is required 6 Connection for pool water pump option 3 x 1 5 to 083 for larger sizes 5 x 1 5 mm not f...

Page 51: ...rol humidistat 5 x 0 75 mm 9 Reheater pump 3 x 1 5 mm Special model for Austria It is usually not necessary to screen the sensor supply line 1 Pool immersion temperature sensor 2 x 0 75 mm 2 Re heater valve 5 x 1 5 mm 3 Switch box 4 On site BMS connections provided by others according to wiring diagram 5 Fully assembled system cable is not necessary standard in switch box 6 Power supply 3 x 400 V ...

Page 52: ...of the switch box for loose connections or damaged components Re tighten all terminals on the terminal boards and strips of the motor Check the mains supply The voltage must match the details on the plate identification or the unit specific documentation Consider instructions in the operation manual of the control system DDC or electronic system Follow additional procedures and instructions for co...

Page 53: ...on direction at all speed stages Measure the motor current consumption The rated motor current should fall within the range given on the motor identification plate this reading must not exceed the specified limit Check motor protection device for proper operation For motors with separated air supply inspect the air inlet grille and air ductwork for clean condition The entire cross section of the d...

Page 54: ...s Check filter section and installed filters for damage Check that filter section is correctly fitting in the mounting frame If required clean installation dust before the filter assembly and unit parts in the direction of airflow Repeat cleaning before installing filters from grade F9 into the air handling unit and ductwork Put the fan into service and take readings of the initial pressure differ...

Page 55: ...t valves gradually until water displaces air and starts to run out Activate primary and secondary pump check rotation direction and put the coil into service for ample time Initialize control valves if necessary refer to the separate manual provided by the manufacturer Press and hold the INIT button in the connection box for 2 seconds Perform a repeated check by opening air vent valves again Check...

Page 56: ...n the air discharge side Ensure that pipework connections and mountings are securely fixed Charge the refrigeration circuit with a medium specifically designed for the system Check if the system is air tight Check proper operation of safety valves Check the maximum temperature and pressure of unit in operation especially if the unit is operated with R410A refrigerant Saturation temperature 60 C bu...

Page 57: ... for correct operation refer to Damper blades and shut off dampers on page 70 Check bypass damper for proper operation if required 8 12 Damper blades and shut off dampers Complete the following commissioning steps If several dampers are linked together ensure that the connecting linkage is installed properly and is moving freely Check all screw connections for proper fit For actuators Adjust the c...

Page 58: ...n the basis for a valid warranty We recom mend to keep account of all maintenance procedures in the log book even following the elapse of the first two years of operation Under all circumstances regular mainte nance and cleaning procedures are obligatory and are specified on the following pages Recommendation Maintenance contract We recommend to conclude a service contract with your installer auth...

Page 59: ...ing cleaning agents e g BODE Microbak or DES OMED Desotop For correct concentration refer to the data sheet provided by the manufacturer and or select a non visible small surface to test the solution there beforehand Using alcohol containig agents is not allowed due to risk of explosion and fire Handle galvanized parts with a preservative spray Apply a lubricant spray to all moving parts such as d...

Page 60: ...maintenance jobs for individual units components is specified on page 63 et seq Additional maintenance jobs to be carried out within the first three months following commissioning are specified in Table 9 1 All other main tenance jobs and their frequency are specified in Table 9 2 Within the first two years following commissioning consider Maintenance log book for your CAIRfricostar Dehumidifier U...

Page 61: ...sary Check impeller for unbalanced condition Check tension of V belt and inspect for wear re tension or replace as necessary for specification see page 65 et seq Check fan motor for noise in bearing replace bearing if necessary Lubricate non sealed fan bearing according to the motor manufacturer s recommendations refer to see Tab 9 5 on page 66 Direct driven fan assembly See page 66 Every 3 months...

Page 62: ...ith a descaling spray Before win terization Drain water from the cooling coil before winter Evaporator condenser see page 69 Every 6 months Clean and check evaporator condenser Ensure that all refrigeration components refrigerating machine direct evaporator distribution manifold refrigerant lines etc are functioning properly Heat pipe see page 69 Every 6 months Clean coil fins Clean coil drip tray...

Page 63: ...ection grille for proper operation clean if necessary Check impeller for unbalanced condition HAZARDOUS VOLTAGE AND RISK OF ROTATING COMPONENTS OB SERVE PERSONAL PROTECTION MEASURES Please consider the safety instructions on page 58 NOTICE Carry out intense cleaning in case of salt containing and or aggressive air HAZARDOUS VOLTAGE AND RISK OF ROTATING COMPONENTS OB SERVE PERSONAL PROTECTION MEASU...

Page 64: ...sion the fan belt measure using a belt tensiometer refer to Fig 9 1 Tighten counter nuts An acceptable belt deflection at a load of P 20 30 N ranges from 5 to 20 mm depend ing on the axis distance see refer to Fig 9 1 Belt profiles Smallest pulley diameter mm F force N belt SPZ 70 85 13 19 86 155 15 23 116 150 19 27 151 200 25 24 201 250 29 38 SPA 112 150 25 34 151 200 29 38 201 250 35 44 251 300 ...

Page 65: ...e shaft as close to the motor or fan as possible to keep leverage small and align For ali gnment refer to Re tensioning or replacing V belt on page 64 Evenly tighten the hexagon socket screws Fig 9 3 Installing fan belt pulley Consider the maximum tightening torque of hexagon socket screws during the installation Check electric motors for dirt damage corrosion and secure mounting Inspect motor and...

Page 66: ...r possible cracks if required engage qualified licensed staff to replace bearings Fan Manufacturer Comefri Gebhardt Fläkt Woods TLZ THLZ VTZ TLZ T THLZ T VTZ T NTHZ B NTHZ R NTHZ T1 NTHZ T2 NTHZ T2L VZR71 RZR11 RZR15 RZR19 RZR13 GXLB GXLF GXHB 160 180 200 N 250 N 280 N 315 N N 355 N N 400 N N N 450 N N N 500 N N N 560 N N N N 630 N N N N 710 N N N N 800 N N N N N N N 900 N N N N N N N 1000 N N N N...

Page 67: ... and filter frame for dirt corrosion and damage replace if necessary The end pressure difference of bag filters varies refer to the relevant technical data for details see filter identification plate Replace the filter if the maximum pressure difference is reached HAZARDOUS VOLTAGE AND RISK OF ROTATING COMPONENTS OB SERVE PERSONAL PROTECTION MEASURES Please consider the safety instructions on page...

Page 68: ...d in the supplied documenta tion 9 6 Heater assembly 9 6 1 Heater assembly pumped warm water Carry out the following maintenance steps Check for leak free condition and possible dirt on the air side To ensure frost protection periodically check the safety devices and take proper precautions such as draining the equipment or adding antifreeze agents Ensure that pipework connections and mountings ar...

Page 69: ...tor condenser as already specified in Heater assembly pumped warm water on page 55 Direct evaporator Ensure that all refrigeration components refrigerating machine direct evaporator distribution manifold refrigerant lines etc are functioning properly 9 9 Heat pipe Carry out the following maintenance steps Regular cleaning of coil fins by blowing out the fins using compressed air against the airflo...

Page 70: ...s installed and available Oil and grease Remove oil and grease deposits with hot water and grease dissolving cleaning agents 9 12 Damper blades and shut off dampers Carry out the following maintenance steps Vacuum clean dampers blow out never apply grease Detach the actuator from dampers check if dampers are moving freely Check that the damper actuator moves to its final positions 9 13 Sound atten...

Page 71: ...ts individual components This appointed contractor must ensure that the components are separated according to material types used operating materials are sorted and separated according to their respective properties ENVIRONMENTAL DAMAGE Have qualified licensed staff dismantle and dispose of the unit HAZARDOUS VOLTAGE When carrying out decommissioning and dismantling work on the unit disconnect all...

Page 72: ...e a wide variety of built in components and special configurations For detailed maintenance and repair procedures contact your local supplier NOTICE Have qualified licensed staff perform troubleshooting and repair procedures Qual ified licensed staff or other individuals with proper professional training must be experienced in the relevant accident prevention regulations as well as other gen erall...

Page 73: ...Month 2 following com missioning Heat exchangers Fan assembly Refrigeration unit Controls Panels Filter Coil drip tray Damper blades Other components Defects damage was directly communicated to company on date Defects damage was repaired by on Month 3 following com missioning Heat exchangers Fan assembly Refrigeration unit Controls Panels Filter Coil drip tray Damper blades Other components Defect...

Page 74: ...ed to company on date Defects damage was repaired by on Month 12 following commissioning Heat exchangers Fan assembly Refrigeration unit Controls Panels Filter Coil drip tray Damper blades Other components Defects damage was directly communicated to company on date Defects damage was repaired by on Month 15 following commissioning Heat exchangers Fan assembly Refrigeration unit Controls Panels Fil...

Page 75: ...nicated to company on date Defects damage was repaired by on Month 21 following commissioning Heat exchangers Fan assembly Refrigeration unit Controls Panels Filter Coil drip tray Damper blades Other components Defects damage was directly communicated to company on date Defects damage was repaired by on Month 24 following commissioning Heat exchangers Fan assembly Refrigeration unit Controls Panel...

Page 76: ...igh quality and outstanding performance supported by more than a century of accumulated industry experience The widest product range in the market and strong market presence in 65 countries worldwide guarantee that we are always by your side ready to deliver Excellence in Solutions PRODUCT FUNCTIONS BY FLÄKTGROUP Air Treatment Air Movement Air Diffusion Air Distribution Air Filtration Air Manageme...

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