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Daikin Classroom Unit Ventilators

Digital Ready, MicroTech

II™ (“F” Vintage)

Field Controls by Others

Vertical Floor Models AVS, AVV, AVB and AVR

Before beginning installation, please read this publication in its entirety.

Develop a thorough understanding before starting the installation procedure.

This manual is to be used as a guide. Each installation is unique, so only general topics are covered.

The order in which topics are covered may not be those required for the actual installation.

Installation Manual

IM 817-4

Group:

Unit Ventilator

Part Number:

106506225

Date:

October 2013

IMPORTANT!

Содержание AVS

Страница 1: ...lop a thorough understanding before starting the installation procedure This manual is to be used as a guide Each installation is unique so only general topics are covered The order in which topics ar...

Страница 2: ......

Страница 3: ...Typical Steam Coil Piping 26 Heating Modulating Valve Piping Hot Water or 2 pipe CW HW Modulating Valve Piping 27 2 way Modulating Normally Open Hot Water or 2 pipe CW HW Valve Piping typical 27 3 wa...

Страница 4: ...m Grilles Auxiliary Drain Pans Controls Sensors End Panels Spare Filters MicroTech II Controls Remote Wall Sensors temperature End of Cycle DDC Valve Modulating DDC Valves Subbases See instructions sh...

Страница 5: ...lt if improper lifting and moving methodsareused Seetable2 page3forapproximateshipping weights Use 72 length forklift tines short tines will damage the unit bottom Improper handling can damage interna...

Страница 6: ...packaging to provide jobsite unit location information and temporary protection for the unit ventilator after installation Be sure to dispose of plastic packaging and protective cardboard properly in...

Страница 7: ...ver Horizontal Blade Louver Flange Flange Outside Air Outside Air Outside Air Bird Screen On Side Toward Unit Vertical Louver with Flange without Grille Horizontal Louver without Flange with Grille Lo...

Страница 8: ...AL With Accessory Closed Pipe Tunnel Piping Floor Line Lintel By Others Intake Louver Not Less Than 3 Not More Than 28 Insulated Closure Plate Accessory Provide Drainage Important Gasket sealing surf...

Страница 9: ...aling surface is required Lintel By Others Piping Floor Line Sealed Cement Mortar Pitch Away From Unit Important Gasket sealing surface is required Louver Lintel By Others Piping Piping Important Gask...

Страница 10: ...p and the two vertical sides of the louver leaving the bottom uncaulked so that if moisture gets into the area between the louver and the unit it can drain to the outside unrestricted If the louver is...

Страница 11: ...e 19 Suggested method for fastening louver without flange inside wall opening Figure 22 Louver VentiMatic Shutter Interior Wall Grille Details Dimensions As Directed By Architect 3 4 19mm Approx 7 178...

Страница 12: ...eakage of outdoor air wastes energy causes drafts and erratic unitventilatoroperation Checkthefollowingdetails Atthecorrect unit ventilator location examine the wall surface Make sure that it is smoot...

Страница 13: ...279 mm Front V iew of End Compartment Without End Panels 4 3 4 121 mm Personalinjuryhazard Wearprotectivegloves toavoidpossible cuts and abrasions from exposed edges Avoid contact with sharp edges Fi...

Страница 14: ...Caulk Top And Two Sides Of Louver Sealed Mortar Bed Caulk Weep Holes Floor Unit Insulating Blanket Back Of Unit Unit Bottom Gasket Seal Under Unit Bird Screen Internal Column For Wall Bracing By Othe...

Страница 15: ...identification In addition to all seismic requirements for IBC Certification listed elsewhere in the project specification submittals for these units include 1 A Certificate of Compliance from the Ind...

Страница 16: ...oper insulation of supply and return piping Proper insulation preventslossofunitventilatorcapacity overheatingofendcompartment and or moisture dripping The piping to and from the unit must be protecte...

Страница 17: ...ctions Figure 39 Chilled Water Coil Connections Failure to install water piping to coils properly can result in improper unit operation and coil freeze ups Figure 40 Protect Components From Overheatin...

Страница 18: ...ections and terminate 9 229mm from the end of the unit 9 DXcoils G haveO D sweatconnections Interconnectingtube by others See table 7 for correct tubing size Table 6 Dimensions Table 7 DX Coil G Conne...

Страница 19: ...ansion G and Steam Unit Cooling Coil G Heating Coils 68 69 78 79 Figure 52 Direct Expansion and Electric Heating Cooling Coils G Heating Coils 12 13 Right Hand Right Hand Cooling Left Hand Heating Rig...

Страница 20: ...re 58 Direct Expansion G and Steam Unit Cooling Coil G Heating Coils 68 69 78 79 Figure 54 Chilled Water and Hot Water Unit Cooling Coils S W V Heating Coils 65 66 67 Figure 55 Chilled Water and Steam...

Страница 21: ...ad pressure is required 6 All water coil stubs are 7 8 I D female sweat Coil connections terminate 9 229mm from the end of the unit Hot water connections may be same end as cooling coil connections bu...

Страница 22: ...ay Modulating Valve Actuators Table 16 Valve Body Specifications 400 psig 2 756 PA up to 150o F Water 66o C decreasing to 365 psig Static 2 515 kPa at 248o F 120o C Pressure 38 psig 262 kPa Saturated...

Страница 23: ...rrectly select the proper Hot Water or Chilled Water Modulating Valve 1 Determine the flow of water and the corresponding pressure drop through the coil 2 Obtain the pressure difference between the su...

Страница 24: ...Valve Piping S5 Sensor 2 pipe CW HW Units Only Typical Piping Arrangements Heatingvalveactuatorsshouldbemountedinanuprightpositionabove the centerline of the valve body and should be piped normally o...

Страница 25: ...lly open to the coil When the valve is de energized off there is full flow through the coil Energizing the valve reduces the steam flow in a modulating fashion Refer to the arrow on the modulating val...

Страница 26: ...e 1 1 8 34mm female sweat connections Coil connections terminate 9 229mm from the end of the unit Steam coils have a factory installed pressure equalizing valve and a 24 610mm long pressure equalizing...

Страница 27: ...Valve N O Common N C Whenpipingthemodulatingvalve refertothearrowsonthemodulating valve body to determine the direction of flow The valve should be installed so that there is a 2 51mm minimum clearan...

Страница 28: ...Supply Supply 2 way Modu lating Valve Unit Coil Unions Return Shutoff Valve Supply Supply 3 way Modulating Valve Union Balancing Valve N C N O Return Unit Coil Union Common Balancing and Shutoff Valve...

Страница 29: ...n Brazing to Prevent Overheating The TXV Valve Body Avoid Valve Damage and Erratic Operation Figure 86 TXV Valve Piping Detail Left Hand Shown Proper ventilation is required for brazing When brazing b...

Страница 30: ...s the system under low refrigerant suction conditions see figure 90 UVfans must continue to run upon Low RefrigerantTemperature trip of T4 controls by others or S4 MicroTech II evaporator air flow dis...

Страница 31: ...nit Ventilator High Pressure Gauge Figure 90 Typical Unit Ventilator Condensing Unit Wiring Diagram Compressor Compressor Contactor Capacitor Head Pressure Controller Optional Fan Motor High Pressure...

Страница 32: ...bient conditions Each time that charge is added or removed from the system allow the system to run approximately 20 30 minutes before pressure and temperature readings are taken and superheat calculat...

Страница 33: ...ntrol device capable of complete Standalone unit control Master Servant control or incorporatedintoabuilding widenetworkusinganoptionalplug in communicationmodule TheUVCcontainsamicroprocessorthat isp...

Страница 34: ...00 ppm and voltage output of 0 to 10 VDC 100 ohm output impedance The Pitot Tube sensing device is located in the unit ventilator s return air stream The optional CO2 sensor is used with the UVC s Dem...

Страница 35: ...ted with7keys 1keyishidden and9individualLEDindicators to adjust the unit ventilator operating parameters shown below Operating Mode States 4 Heat Heating and economizer operation only Cool Cooling an...

Страница 36: ...LU BRN BRN BLK LOW BLU WHT BLU BLU BRN HI BLU 1 3 HP MED BLU WHT LOW YEL HI RED RED RED RED RED 1 2 HP MED BRN BRN BRN BLK BLU LOW YEL YEL YEL YEL BLK Figure 96 DE Cooling W Hot Water Heat Damper Cont...

Страница 37: ...7 Use IM 747 for MicroTech II wiring information installation procedures Table 24 Floor AV Electrical Data Motor Data and Unit Amp without electric heat Unit CFM L s Motor Unit Current Series Nom HP W...

Страница 38: ...and Wall Sensor Locations Figure 99 Basic Remote Wall Sensor LED Tenant Override Button Sensor All MicroTech II equipped unit ventilators are provided as standard with a unit mounted space temperature...

Страница 39: ...ions included with the Remote wall sensor Parts Included All Models pre assembled sensor that includes large 50 8 x 101 6 mm 2 x 4 in mounting base 1 terminal block 1 1 5 mm 1 16 in cover screw 1 endc...

Страница 40: ...ng base 3 Loosen the cover screw using a 1 5 mm 1 16 in Allen wrench and remove the sensor 4 Drill a 35 mm 1 3 8 in hole in the surface where the sensor will be mounted 5 Pull the cable or wiring thro...

Страница 41: ...hielded cable generallyisnotrequired exceptinelectricallynoisyenvironments such as near gas ignition systems radar or magnetic resonance imaging equipment etc It is the responsibility of others to det...

Страница 42: ...ory installed Low Air Temperature Limit T6 Freezestat Cuts out below 38o F 2o F and automatically resets above 45o F 2o F Responds when any 15 of the capillary length sensesthesetemperatures Wiredsoth...

Страница 43: ...IM 817 4 Page 43 of 60 Refer to unit wiring diagram located on the right front panel for actual wiring Digital Ready Wiring Diagram Typical Figure 113 Face and Bypass Control CAUTION...

Страница 44: ...ion of a Belimo ZG R01 or equivalent 500 ohm resistor by others Refer to the wiring diagram for proper installation of the resistor A 2 to 10 VDC output signal is provided for damper position feedback...

Страница 45: ...nt and Terminal Strip Figure 116 Terminal Strip Use copper conductors only Use of aluminum conductors may result in equipment failure and overheating hazards All wiring in right hand compartment must...

Страница 46: ...atic Temperature Control supplier to ensure the controls operates correctly and protect the unit Controls by others option consists of the following components which are factory provided and wired whe...

Страница 47: ...actual wiring Improper wiring can cause equipment and property damage CAUTION Disconnect all electrical power before servicing unit Electrical shock will cause severe injury or death DANGER WARNING H...

Страница 48: ...trol units B is for 208 230 and 265 volt units C shows location for 460 volt units Also on electric heat units with controls by others wiring to the field mounted controller is done in the left end co...

Страница 49: ...ric Heat Wiring Diagram Typical Figure 123 460 Volt 60 Hz 3 Phase Refer to unit wiring diagram located on inside of right front panel for actual wiring Improper wiring can cause equipment and property...

Страница 50: ...te s Powersupply to unit must be disconnected when making field connections Rigorously adhere to field wiring procedures regarding proper lockout and tagout of components Electric Heating Table 30 Sta...

Страница 51: ...IM 817 4 Page 51 of 60 Electric Heating Table 31 High Static Applications Electric Heat Capacities Amps Wire Sizing and Over Current Protection Note Electric heat disconnect provided...

Страница 52: ...yed even in those marginal applications to provide the occupants comfort without the material installation and operating cost penalty associated with auxiliary radiation The unit ventilator is ordered...

Страница 53: ...wall trim rest in the top groove of the upper channel 3 Wall to EndApplication Runtheupperchannelorbackplatefrom the wall to a point where the enclosure will end See Draftstop installation instruction...

Страница 54: ...33mm Step Down Top View 28 711mm 6 152mm End View With No Cut out Table 34 6 152mm End Panel Dimensions 28 Non Standard Floor Unit Ventilators Floor Figure 129 Typical DraftStop Enclosure Mounting Cha...

Страница 55: ...Tinnerman Clips Tinnerman Clips Screws insert through end panel and thread into tinnerman clips on unit subbase Screws insert through upper mounting holes inside unit end compartment and thread into t...

Страница 56: ...nd Start Procedure Included in the shipping envelope in the end compartment of the unit Provide completed Check Test and Start procedure to local Daikin representative and to specifying engineer to ve...

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Страница 60: ...to its standard terms and conditions of sale including Limited Product Warranty Consult your local Daikin Representative for warranty details Refer to Form 933 430285Y To find your local Daikin Repres...

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