Daikin IM 938-4 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 938-4

Group:

PTAC

Part Number:

910116723

Date:

October 2013

Applied Packaged Terminal Air Conditioner

16" x 42" PDAN with Top-Mounted Hydronic Heat with R-410A Refrigerant

Summary of Contents for IM 938-4

Page 1: ...nced with this type of equipment Caution Sharp edges and coil surfaces are potential injury hazards Installation Maintenance Data IM 938 4 Group PTAC Part Number 910116723 Date October 2013 Applied Packaged Terminal Air Conditioner 16 x 42 PDAN with Top Mounted Hydronic Heat with R 410A Refrigerant 2013 Daikin Applied www DaikinAP com 800 432 1342 ...

Page 2: ...ment Start up 21 PTAC PTHP Startup Report Audit 22 22 Premium Programmable Digital Touchpad Control Features 23 User Interface 23 Premium Programmable Digital Touchpad with Automatic Changeover from Cooling to Heating Heating to Cooling 23 Premium Programmable Digital Touchpad Control 24 Clock Set Menu 24 Configuration 24 Program Time Periods 25 Remote Wall Mounted Thermostats 26 Non Programmable ...

Page 3: ...njury or death CAUTION Use copper conductors only 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 carefully checked against the bill of lading to be sure all crates and cartons have been received All units should be carefully in spected for damage when received If any damage is n...

Page 4: ... M R 410A Heating 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 Top Mount Normally Closed H Hot Water Top Mount Normally Open Y None SKU A Stock B Build to Order P DAN 3 009 E D M H A B A M S A E Controls Control Board Type PNUY Premium Non Programmable Unit Mounted PNWY Premium Non Programmable Wall Mo...

Page 5: ...r existing buildings Figure 1 Exploded View of the 16 x 42 PDAN with Top Mounted Hydronic Unit Removable Front Panel Premium Digital Touchpad Control 16 x 42 Wall Sleeve Louver Architectural Top Mount Hydronic Heat Section Cooling Chassis Room Cabinet The self contained refrigerant system delivers cooling to the desired space Heating can be accomplished with electric resistance with hydronic water...

Page 6: ...igital Touchpad Control 11 4 Recess for Architectural Louver A in mm D in mm B in mm Room Cabinet Wall Sleeve Wall Thickness 183 4 476 133 4 349 43 4 53 4 121 146 173 4 451 133 4 349 53 4 63 4 146 171 163 4 425 133 4 349 63 4 73 4 171 197 153 4 400 133 4 349 73 4 83 4 197 222 143 4 375 133 4 349 83 4 93 4 222 248 133 4 349 133 4 349 93 4 103 4 248 273 123 4 324 133 4 349 103 4 113 4 273 298 113 4 ...

Page 7: ...ng Requirements When roughing in the opening for the wall sleeve make certain there is sufficient clearance from the walls and floor The wall sleeve should be positioned a minimum of 5 8 in from the room side finished wall to accommodate the room cabinet A minimum distance of 3 above the finished floor is required for return air The rough opening should measure 16 1 4 high x 42 1 4 wide Before ins...

Page 8: ... proper sleeve drainage to outside Anchor with appropriate fasteners Use holes provided see Figure 14 on page 12 or drill additional holes as required to secure firmly CAUTION Do not drill holes in the base of the wall sleeve Use shims between the wall and the wall sleeve to prevent wall sleeve distortion during anchoring 4 Caulk the wall sleeve to the wall opening on both the inside and outside p...

Page 9: ...rt Cabinet Hydronic Heat Coil Section 3 1 2 Thick Batt Insulation 1 5 8 Metal Stud 16 O C Window Stool Insulation Wet Panel X D Notes See PDAN Chassis Cabinet Dimensions on page 6 for dimensions D and B Dimension X is field determined or specified Angle is factory welded at given dimension when option is designated Figure 10 16 x 42 wall sleeve with optional leveling legs and continuous flange 16 ...

Page 10: ...l Sleeve Wall Frame By Others Optional Top Angle 42 1069mm Optional Subbase 16 406mm 101 2 267mm Max 1 25mm 3 Min 76mm Wall Sleeve Insulated Panel X Supports By Others 2 Req d Min 37 8 98mm Notes 1 Caulk entire perimeter of wall sleeve after installation 2 Seal area between louver and wall sleeve to prevent condenser air recirculation 3 Dimensions shown in table on page 6 do not apply to this appl...

Page 11: ...ection and room cabinet The wall sleeve should also be recessed enough to accommodate the outside louver Level wall sleeve side to side and pitch to outside 1 4 ft to assure proper sleeve drainage to outside 5 After the mortar has dried remove the masonry support from the wall sleeve Note The wall sleeve is not intended to replace the lintel 6 Anchor with appropriate fasteners as shown in Figure 1...

Page 12: ...f the PTAC unit Vegeta tion planted too close to grilles will cause discharge air to be recirculated thereby increasing electrical consumption War ranty will be voided if it is determined that the compressor life is shortened from overheating due to close proximity of outside obstructions Note Discharge air restrictions include but are not limited to Vegetation Concrete walls or barriers Overhangs...

Page 13: ... placement details 15 Set the temperature limiting feature to the desired range of thermostat operations As shipped the range is 60 F to 85 F 16 Replace the air filter and front panel 17 Connect the low voltage valve wires with theMolex connection to the valve Installing Heat Section The heat section is designed to be snapped into the top of the wall sleeve Figure 15 There are four square holes pr...

Page 14: ...provided There are two 2 screw holes provided on each side located on the inner flanges of the room cabinet 4 Loosen the four 4 wing nuts on the kickplate and adjust the kickplate the required distance to the floor 5 Tighten the wing nuts firmly 6 Wipe any smudges or dirt off the room cabinet using a mild cleaner and a soft cloth Figure 16 Room Cabinet Detail Screw slots on back of cabinet for sec...

Page 15: ... 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 Setpoint Rf Room Freeze Condition CF Coil Freeze Protection F Fahrenheit C Celsius LC Control Lockout Mode Remote Thermostat Control The Remote Thermostat can be any thermostat that can interface with an ...

Page 16: ...r 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 cooling Fan Cycle Operation On a call for Heating or Cooling the indoor fan and the heating source or the compressor will be activated When the call is satisfied and the heating source or the compressor is deactivated the indoor fan will ...

Page 17: ...the 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 Function Sleep time is adjustable by the user from 1 to 15 hours in one 1 hour increments in a closed loop The sleep time is adjusted and set via the touchpad and by pressing the Sleep Button repeatedly...

Page 18: ...s 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 default setting is F degrees Fahrenheit 2 Temperature Limit Selection To advance from Temperature Scale Selection to Temperature Limit Settings press the Mode button once To set the Cool Minimum set point press and...

Page 19: ...at Pump to Electric Heat By Pass press the Mode button once This screen will only appear when HP E selection is Au and the outdoor coil sensor is at or above 40 F Using the Up and Down buttons toggle between Au for Automatic or bY for Bypass setting In bY setting electric heat is the only source of heat 7 Indoor Air Sensor Reading To advance from Fresh Air Damper Control Heat pump or Electric Heat...

Page 20: ...perature drops 5 F below minimum set point the display will indicate Lo When the room temperature rises 5 F above maximum set point the display will indicate hI Alarm 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 temperature limit cool minimum set point pre...

Page 21: ...uipment After the equipment leaves the factory it may become damaged or maladjusted during transportation or on the job Sometimes wires are disconnected accidentally or fan motors move on their bases due to rough handling causing fans to strike The correction of such conditions is part of start up CAUTION Before starting equipment make certain that 1 Correct voltage has been supplied to the equipm...

Page 22: ...otate Freely Without Striking Fan Housing Condenser Air Free of Obstruction Cycle Continuous Fan if so equipped Other Conditions Found ___________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ Note No answers above require notice to insta...

Page 23: ...it to receive commands from a Remote Thermostat Table 3 Keys and Indicators Labels ON OFF FAN SPEED MODE 8 Push Buttons FAN MODE SLEEP PROG ON OFF Temp buttons for Temp UP and for Temp DOWN 9 LED Indicators SLEEP COOL COOL DRY FAN HEAT HIGH LOW CYCLE CONT LED 2 Digit Displays No Label Display Function Legend Tr Room Temperature hI High Room Temperature Lo Low Room Temperature LA Low Ambient Lockou...

Page 24: ... Digital Touchpad Control Clock Set Menu 1 1 To set the time and day of the week press FAN MODE and FAN SPEED buttons simultaneously for 5 seconds Time will be displayed first AM 9 45 1 2 Adjust the time by pressing and buttons By holding pressed or buttons time will change in 15 minutes increments or decrements respectively AM and PM will show in rotation 1 3 By pressing FAN MODE button move to t...

Page 25: ... the starting time by pressing or buttons DAY 1 AM 8 00 MORN 3 6 To advance to the next screen press SLEEP button Heat temperature will be displayed Adjust the heat setting with and buttons DAY 1 HEAT AM 8 00 MORN 70o 3 7 To advance to the next screen press SLEEP button Cool temperature will be displayed Adjust the cool setting with and buttons COOL DAY 1 AM 8 00 MORN 78o 3 8 To program the thermo...

Page 26: ...ycle operation 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 dual Fahrenheit and Celsius temperature setpoint scales NOTICE When using existing thermostats by others There are two basic types of thermostats manufactured today those with relay contact...

Page 27: ...tage Heat Two Stage Cool Specs Daikin 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 total load 30 minute power loss memory retention Easy access terminal block Temperature Control Ranges 45 F to 90o F Accuracy 1 F System Configurations Single or two stage heat cool Single or two stage heat pump Termination...

Page 28: ... 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 Wireless Temperature Control is designed to provide precision temperature control without the installa tion labor and expense of wiring Powered by AA batteries Mounts in any suitable location that will provide good temperature control L...

Page 29: ...s Figure 33 Control Wiring to Allow Primary Master Considerations The Remote Thermostat can be any thermostat that can interface with an electronic thermostat via RCWYBG terminals The Control Selection jumper must be in T STAT position During a call the remote thermostat will pass R back to the controller on a respective terminal The push but tons on the touchpad become inactive in the remote ther...

Page 30: ...ure 3 Jumper Placement to Select Controller Type A 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 mounted programmable or non programmable thermostat 4 Jumper Placement to Select Hydronic Valve A Place jumper across NO to select Normally Open Hydroni...

Page 31: ... across 10 20 30 or 1 HR to select fan cycle off minutes which will be overridden by the room temperature 3 Jumper Placement to Select Controller Type A Place jumper across LUI to select unit mounted touchpad Local User Interface B Place jumper across T STAT to select remote wall mounted programmable or non programmable thermostat 3 2 1 Jumper Placement Detail C A B A B A Wiring Diagram Legend CT ...

Page 32: ...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 Outdoor Coil Sensor OAS Outdoor Air Sensor ICS Indoor Coil Sensor IAS Indoor Air Sensor LUI Local User Interface REV Reversing Valve IR IR Receiver Board AP7810 C1 Indoor Motor Capacitor C2 Outdoor M...

Page 33: ...onnections 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 Outdoor Coil Sensor OAS Outdoor Air Sensor ICS Indoor Coil Sensor IAS Indoor Air Sensor LUI Local User Interface REV Reversing Valve IR IR Receiver Board AP7810 C1 Indoor Motor Capacitor C2 Outdoor ...

Page 34: ...ers Areas 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 if air filters are not kept clean Rinse filter with hot water and a mild detergent B Daikin recommends that every year the chassis be removed for a thorough checkup This should be completed as f...

Page 35: ...ng 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 Heater if electric heat 2 Touch up Paint 1 pt spray can 2 For the current spare parts list and applicable prices see your Daikin representative or write Daikin Service P O Box 1551 Minneapolis MN 55440 ...

Page 36: ...rol board or heating medium 250ºF 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 temperature has been below 32ºF for 5 minutes Protection feature and the displayed code are dismissed when indoor coil temperature rises above 49ºF Rf Room Freeze Protection Indoor air temperature has ...

Page 37: ...g 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 a Master control unit LC Control Lockout Displays for 5 seconds when any button is pushed when in the lockout mode Lockout Mode To initiate hold MODE button for 10 seconds Lo Temperature Limiting Lo...

Page 38: ...4 Obstructed 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 Windows and doors in room are open f Compressor not pumping indicated by 1 Low wattage 2 Condenser not warm evaporator only partially cool or not at all g Restricted capillary or strainer 1 Fros...

Page 39: ...nection at touchpad thermostat e Thermostat set too high f Thermostat faulty g No power output on transformer secondary h Inoperative valve 1 Steam valve N C 2 Hot water valve N C a Adjust b Replace a Remove obstructions to water flow b Adjust or replace c Check for correct voltage Replace motor if necessary d Tighten a See No 1 b Open heat valve or turn on heating system c Replace d Tighten e Adj...

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Page 42: ...ld pursuant 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 Representative go to www DaikinAP com Aftermarket Services To find your local parts office visit www DaikinAP com or call 800 37PARTS 800 377 2787 To find your local service office visit www Dai...

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