Daikin McQuay IM 934-5 User Manual Download

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Note:

Installation and maintenance are to be performed only by qualified personnel who are familiar with local codes and

regulations and are experienced with this type of equipment. Caution: Sharp edges and coil surfaces are potential injury

hazards.

Installation & Maintenance Data

IM 934-5

Group:

PTAC

Part Number:

910146417

Date:

August 2013

Applied Packaged Terminal Air Conditioner

Model PDAA Dual Motor Angled Top Unit - 16" x 42" with R-410A Refrigerant

IM 934-5 (8-13)

Summary of Contents for McQuay IM 934-5

Page 1: ...type of equipment Caution Sharp edges and coil surfaces are potential injury hazards Installation Maintenance Data IM 934 5 Group PTAC Part Number 910146417 Date August 2013 Applied Packaged Terminal...

Page 2: ...Operation 24 System Select Operation Using Remote Thermostat 24 Sequence of Operation 25 Heat Mode 26 Standard or Programmable Digital Touchpad LUI Control Set Up Mode Selection 26 Thermistor Error C...

Page 3: ...Unit terminals are not designed to accept other types of conductors Failure to do so can damage equipment Inspection When the equipment is received all items should be care fully checked against the b...

Page 4: ...g Type E Electric Heat H Hydronic A Hydronic w Intermediate Electric Electric Heat A 2 5 Kw B 3 5 Kw C 5 0 Kw Y None Hydronic Heat Type T Steam Subbase Normally Closed J Hot Water Subbase Normally Ope...

Page 5: ...existing buildings The self contained refriger ant system delivers cooling to the desired space Heating can be accomplished with electric resistance with hydronic wa ter or steam hydronic with interme...

Page 6: ...1mm to 349mm See Electric Subbase on page 8 Hydronic 0 to 133 4 0mm to 349mm See Hydronic Subbase on page 9 Subbase Height Dimension Electric 3 to 4 76mm to 102mm with 0 to 1 0mm to 25m leveling screw...

Page 7: ...o 4 above the finished floor includ ing carpeting to match the height of the subbase selected The subbase is available in 3 or 4 heights and has adjust able leveling legs that provide up to an additio...

Page 8: ...wall sleeve using the clips provided with the subbase 5 The wiring should be roughed in and the conduit connected to the subbase junction box Complete the installation by wiring the receptacle to the...

Page 9: ...annels are predrilled to allow infinite adjustment 2 Subbase shown with louvered front panel removed Front panel is hinged to allow access to valve coil filter electrical junction box 3 Leveling legs...

Page 10: ...y the design engineer in the space provided under the heating coil Electrical The electrical supply can also be roughed in to the subbase heat section either through the holes provided in the base or...

Page 11: ...Place the drain kit against the chosen drain hole and fasten securely with screws provided Use either the 90 elbow or 6 straight fitting as required 4 Cover the unused drain hole with the block off p...

Page 12: ...s are supplied to assemble the chassis and the louver to the wall sleeve Wall Sleeve Extension for Thick Wall Construction Types The standard wall sleeve will accommodate a maximum wall thickness desc...

Page 13: ...and tagged to match the proper unit Be sure to check tagging of the extension against that of the unit Install the wall sleeve extension as follows 1 Position the extension with standard wall sleeve s...

Page 14: ...on the sides 6 Secure by anchoring with appropriate fastener s A 5 16 8mm hole is provided on each side 2 51 mm down from the top and 2 51mm in from the rear of the wall sleeve Additional holes may b...

Page 15: ...e The wall sleeve is not intended to replace the lintel 5 Level wall sleeve left to right and pitch 1 4 front to back pitch to the outside Secure by anchoring with appropriate fasteners A 5 16 8mm hol...

Page 16: ...be used for this purpose 5 Recess the wall sleeve so that the louver is flush with the exterior of the building 6 Level wall sleeve left to right and pitch 1 4 front to back to the outside Secure by...

Page 17: ...g of all debris that may interfere with installation 2 If the unit is to be supplied with a subbase install subbase before installing wall sleeve See IM 936 x 3 If the optional drain kit is to be empl...

Page 18: ...unting Screws by installer Caulk Perimeter Steel Lintel by others Table 2 Maximum Wall Thickness Louver Type Stamped Architectural No Subbase Standard Subbase Hydronic Subbase Maximum Wall Thickness 1...

Page 19: ...ding facade treat ments that may affect normal operation of the unit or restrict free air discharge of condenser airflow A louver design that restricts the passage of condenser air or causes condenser...

Page 20: ...ng carton to cover installed conditioner until construction is complete 3 Check nameplate data on chassis to insure that the correct job site distribution has been made with respect to heating cooling...

Page 21: ...rvice or the like in the price of its equipment After the equipment leaves the factory it may become damaged or maladjusted during transportation or on the job Sometimes wires are disconnected acciden...

Page 22: ...e Freely Without Striking Fan Housing Condenser Air Free of Obstruction Cycle Continuous Fan if so equipped Other Conditions Found ___________________________________________________________ _________...

Page 23: ...Slave Unit Touchpad Display Indicates Unit is Controlled by a Master Occurs when Slave Control Select Jumper is on SEC Pins rT Remote Thermostat Control tP Touchpad Control t Time Ts Temperature Setpo...

Page 24: ...eration on the touchpad When set for Continuous the CONT LED will be on and the fan will run continuously When set for Cycle the CYCLE LED will be on and the fan will turn on at a call for heat or coo...

Page 25: ...he unit will run in the regular cool mode The indoor fan will operate according to the user settings for mode Continuous or Cycle and Speed Cold start is not available with the Sleep feature Sleep Fun...

Page 26: ...Up Mode are as follows 1 Temperature Scale Selection Once in the Set Up Mode the temperature scale will be displayed To change the temperature scale to degree Celsius press the Up or Down button The d...

Page 27: ...once The display will show return air temperature 6 Indoor Coil Sensor Reading To advance from Indoor Air Sensor Reading to Indoor Coil Sensor Reading press the Mode Button once The display will show...

Page 28: ...indications of 5 F above or below set point will be consistent with the set up mode settings for minimum and maximum temperatures Temperature Limit Settings 1 To adjust the lower operating temperatur...

Page 29: ...from Cooling to Heating Heating to Cooling AUTO Available with the Programmable LUI 668003802 and Pre mium Board 667997303 only The Auto Changeover board has a new control set with a touchpad label th...

Page 30: ...shows both HEAT and COOL icons Temperature set point displays between the HEAT and COOL icons Setpoint is adjusted with Up and Down arrows Heating initiates when the room temperature falls one degree...

Page 31: ...mmed daily settings will be re tained in memory However the clock must be reset to the current time for the programmed daily settings to resume the correct schedule of operation See Clock Set Menu ins...

Page 32: ...ion with the compressor When requested all necessary relays and transformers are factory mounted and ready for attachment to field supplied low voltage wires All thermostats are 24 volt type and have...

Page 33: ...hangeover Two Stage Heat Two Stage Cool Specs Daikin McQuay Part No 910116774 1 Pk White with Wall Plate Specifications Electrical Rating 24 VAC 18 to 30 VAC 1 amp maximum per terminal 4 amp maximum t...

Page 34: ...emote must be aimed in a line of sight of the window in the upper right corner on the front panel at less than a 45 angle from center of the window T9000 Wireless Temperature Control The T9000 Wireles...

Page 35: ...t be in the SEC position If secondary units are to be employed see wiring connections in Figure 39 The number of secondary units that can be connected is limited to 32 units Remote Mounted Thermostat...

Page 36: ...Place jumper across LUI to select unit mounted touchpad Local User Interface B Place jumper across SLAVE to select SLAVE Control by a master unit C Place jumper across T STAT to select remote wall mou...

Page 37: ...or Fan Motor OCS Outdoor Coil Sensor OAS Outdoor Air Sensor ICS Indoor Coil Sensor IAS Indoor Air Sensor LUI Local User Interface REV Reversing Valve EHC Electric Heat Contactor Standard Non Programma...

Page 38: ...nections can be spliced to substitute for the missing jumpers Legend DM Damper Motor HYV Hydronic Valve CM Compressor Motor IFM Indoor Fan Motor OFM Outdoor Fan Motor HFLO Heat Fan Lockout Sensor OCS...

Page 39: ...nnections can be spliced to substitute for the missing jumpers Legend DM Damper Motor HYV Hydronic Valve CM Compressor Motor IFM Indoor Fan Motor OFM Outdoor Fan Motor HFLO Heat Fan Lockout Sensor OCS...

Page 40: ...reas with high dirt and lint content or heavy usage of units require more frequent filter maintenance than those areas of relatively clean operating or low usage conditions Unit malfunction will occur...

Page 41: ...Chassis 2 Compressor Overload Device 2 Compressor Running Capacitor 2 Fan Motor Capacitor 2 Control Board 2 Thermostat 2 Control Relay if used 2 Damper Motor if auto damper 2 Electric Resistance Heat...

Page 42: ...board or heating medium 250 F Check for installation connection of HFLO sensor Should be on coil return line Protection Description Cause for the fault code CF Coil Freeze Protection Indoor coil tempe...

Page 43: ...mode and outdoor air 25 Compressor will cut out Slave Unit Set to be When slave unit jumper for Control Select is positioned over SEC slave unit is set to be controlled by Controlled by a Master Unit...

Page 44: ...cted discharge grilles 5 Evaporator blower motor not running 6 Evaporator blower motor not up to speed 7 Evaporator motor slipping on motor shaft d Heat load in room exceeds capacity of equipment e Wi...

Page 45: ...ustments to components f Check for proper adjustment Apply silicone oil or grease to gap between solenoid and armature g Tighten h Fasten securely i Occasionally equipment will have noise for no ap pa...

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Page 48: ...2013 McQuay International 800 432 1342 www daikinmcQuay com IM 934 5 8 13 Page 48 of 48...

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