Haier GE AZ95H09DACK1 Technical Service Manual Download

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31-9366

2021 GEA Zoneline VTAC "Vertical

Packaged Terminal Air Conditioner"

Technical Service Guide

AZ95H09DACK1
AZ95H09EACK1
AZ95H12DACK1
AZ95H12EACK1
AZ95H18DACK1
AZ95H18EACK1

November 2021

Summary of Contents for GE AZ95H09DACK1

Page 1: ...31 9366 2021 GEA Zoneline VTAC Vertical Packaged Terminal Air Conditioner Technical Service Guide AZ95H09DACK1 AZ95H09EACK1 AZ95H12DACK1 AZ95H12EACK1 AZ95H18DACK1 AZ95H18EACK1 November 2021...

Page 2: ...trical power is required for diagnosis or test purposes disconnect the power immediately after performing the necessary checks RECONNECT ALL GROUNDING DEVICES If grounding wires screws straps clips nu...

Page 3: ...tallation Options 12 Accessories for New Installation 13 Type of Electric Connections 14 Operation 15 Auxiliary Control Features 15 Central Desk Control CDC 18 Remote Thermostat 19 Normal Operating Co...

Page 4: ...s 44 Compressor 44 Compressor Capacitor 46 Reversing Valve 47 Filter Drier Capillary Tube Assembly 48 Indoor Coil 49 Outdoor Coil 50 Charging and Recovery Process 51 Tools 52 Recovery Pump 53 In line...

Page 5: ...5 Refrigerant Charge 63 Refrigerant Recovery Connections 64 Refrigerant Charging Connections 65 Fault Codes 66 Service Mode 68 Wiring Diagram 70 Index 71...

Page 6: ...shoes for all repairs Step 1 Plan and Prepare Step 4 Apply LOTO device and lock Step 2 Shut down the appliance Step 5 Control discharge stored energy Step 3 Isolate the appliance Step 6 Try It verify...

Page 7: ...er The nomenclature breaks down and explains what the letters and numbers mean in the model number Nomenclature A Z 9 5 H 1 2 D A C W 1 Brand AZ Zoneline Chassis Series 95 Vertical AC Heating H Coolin...

Page 8: ...ost Self Aligning Lock In Place Platform System Self Contained Drainage System SmartHQ Wi Fi Capability Thermostat Quick Disconnect Ultra Quiet Heating System Heat Pump Product Type Vertical Air Condi...

Page 9: ...417 CFM Indoor Fan Low 376 Dehumidification pts hr 2 5 Heating Reverse Cycle BTUH 10 500 AZ95H12EACK1 Cooling Amperes 4 0 Cooling Watts 925 Heating Reverse Cycle Amps 3 7 Heating Reverse Cycle COP 3 3...

Page 10: ...Medium 468 CFM Indoor Fan Low 408 Dehumidification pts hr 4 4 Heating Reverse Cycle BTUH 15 900 Installation Requirements Accessories Required for Installation Outdoor Grille RAVAL3 Accessories Requir...

Page 11: ...struction is required The plenum requires proper flashing shim and caulk for a weather resistant installation Installation Overview Architectural Louver RAVAL3 Proper header for structural support App...

Page 12: ...ments Follow the Installation Instructions provided with the return air grille accessory for installation details NOTE Use only one filter in the installation The filter may be installed on the unit o...

Page 13: ...nel with Return Air Grille RAVRG4 Cutout Dimensions 28 1 8 W x 55 7 8 H Return Air Grille RAVRG2B Cutout Dimensions 20 3 8 W x 20 3 8 H Drain Platform RAVDPLAT Not Applicable 22 1 2 22 1 2 Model Type...

Page 14: ...y rated field supplied switch is a common means for electrical disconnection Power Supply Kit Direct Connect 208 230 265 Volt Applications Important Connection to a branch circuit MUST be done by dire...

Page 15: ...iary controls are set to the desired function There are five different modes functions that can be set using the auxiliary set button Modes of the Auxiliary Control Mode 1 Not Applicable Mode 2 Not Ap...

Page 16: ...ODE to continue setting other functions In the default setting for Mode 3 Heat Sentinel is off Freeze Sentinel is on NOTE These functions are active whenever the unit is plugged in even if the unit is...

Page 17: ...pad for OFF or the pad for ON This is shown in the second digit of the display The default setting for Mode 8 is OFF Mode 9 Heat Boost AZ95H Only When Heat Boost is ON supplementary electric heat is a...

Page 18: ...l Desk Control CDC Central Desk Control Connector Central Desk Control Field Supplied The central desk control is a feature that allows the unit to be made operable inoperable from a remote location O...

Page 19: ...Isolate all wires in building from line voltage 1 Thermostat connector harness is included with the unit It is located behind the junction box cover 2 Plug the thermostat connector into the user inter...

Page 20: ...a make up air ventilation system fans will run continuously Digital makeup air unit will perform a system check upon power up power cycle and once every 7 days if the unit is in occupancy mode The sys...

Page 21: ...Diagnosing 208 230 VAC Verify voltage on 208 230 VAC PTAC s by gaining access to the main control J102 green Ground to J306 red black L1 120 VAC J102 green Ground to J309 orange black L2 120 VAC J306...

Page 22: ...22 J303 J503 J103 J405 J402 J403 J301 J404 J503 J502 K305 J104 J305 J303 J310 J306 J307 J311 J308 J309 Main Control Board Connector Locations...

Page 23: ...ower 7 When the unit is powered on after replacing the board the display will show P1 8 Press the Aux button to save and exit then verify proper operation NOTE If all the switches are OFF as shown it...

Page 24: ...Pump with Electric Resistance Heat Engineering Service Change 1 Original 2 First 3 Change Cooling Capacity in BTU hr BTUH in 1000 s Compressor Type H Highly M Mei W Rechi K GMCC Midea Special Features...

Page 25: ...access to the main control J102 green Ground to J306 red black L1 120 VAC J102 green Ground to J309 orange black L2 120 VAC J306 red black L1 to J309 orange black L2 230 VAC 265 VAC J102 green Ground...

Page 26: ...26 Aux Button Mode Button Select Button Select Button Display RJ45 Connector Thermostat Connector CDC Connector Not Used J201 J301 J302 J204 J203 J303 J202 User Interface UI Board Connector Locations...

Page 27: ...also provide outdoor air temperature and outdoor coil temperature in order for the main board to operate the Zoneline by the most efficient means Indoor Thermistors Locator All Zoneline models have t...

Page 28: ...all LED s Press MODE until S1 is shown in the display Pressing displays the indoor ambient temperature AUX key exits Service Mode Verify Indoor Air Thermistor Resistance Value Indoor air thermistor r...

Page 29: ...nd buttons On entry the display lights all LED s Press MODE until S2 is shown in the display Pressing displays the indoor coil temperature AUX key exits Service Mode Verify Indoor Coil Thermistor Resi...

Page 30: ...ter Service Mode by pressing and holding and buttons On entry the display lights all LED s Press MODE until S5 is shown in the display Pressing displays the indoor coil temperature AUX key exits Servi...

Page 31: ...31 Outdoor Thermistors Locator All Zoneline models have two outdoor thermistors the outdoor coil thermistor and the outdoor air thermistor Outdoor Air Thermistor Outdoor Coil Thermistor...

Page 32: ...and buttons On entry the display lights all LED s Press MODE until S3 is shown in the display Pressing displays the indoor coil temperature AUX key exits Service Mode Verify Outdoor Air Thermistor Res...

Page 33: ...d buttons On entry the display lights all LED s Press MODE until S4 is shown in the display Pressing displays the indoor coil temperature AUX key exits Service Mode Verify Outdoor Coil Thermistor Resi...

Page 34: ...until IF is shown in the display Pressing turns the fan on and pressing will turn the fan off AUX key exits Service Mode Verify Fan Resistance Value Approximate fan resistance values can be checked f...

Page 35: ...the indoor coil Top Cover Panel Right Side Panel Left Side Panel 5 16 Screw Connector Plate 5 16 Screw 4 Remove two 5 16 in screws from the indoor coil top cover 5 Remove four 5 16 in screws from the...

Page 36: ...hermistor in place and pull it out of its holder 7 Lift indoor fan assembly straight up Harness Guides Zip Tie Indoor Coil Thermistor Thermistors Reversing Valve Fan Motors 8 Set indoor fan assembly t...

Page 37: ...nd holding and buttons On entry the display lights all LED s Press MODE until OF is shown in the display Pressing turns the fan on and pressing will turn the fan off AUX key exits Service Mode Verify...

Page 38: ...Cover Junction Box Cover Top Cover Panel Right Side Panel Left Side Panel 3 Remove outdoor shroud cover by removing two 1 4 in screws 4 Lift outdoor fan shroud cover up slightly and pull towards the o...

Page 39: ...sembly to slide up without hitting the outlet duct 1 4 Screw 7 Remove the fan assembly from the outdoor coil by pulling up on the assembly 8 Remove outdoor fan blade from motor by removing one 13 mm n...

Page 40: ...erating in the heat pump mode defrost water is also collected in base pan but because outdoor temperatures may drop below freezing the water level could cause the outdoor fan blade to freeze in the pa...

Page 41: ...Voltages Verify electric heater voltages from the main control Heater banks are depended on breaker cord size 15A 20A 30A While turning on the heater in Service Mode the main control will only turn o...

Page 42: ...Small Bank J310 yellow to K305 relay orange 61 8 ohms or 5 Verify TCO s Verify TCO s are closed by checking continuity across TCO terminals at the heater assembly Self Resettable TCO trip temperature...

Page 43: ...heater assembly 1 4 Screw 1 4 Screw 1 4 Screw 1 4 Screw 4 Remove three 3 8 in nuts and a 1 4 in ground screw from the heater assembly 5 Slide the heater assembly out to the right from behind the indoo...

Page 44: ...the display Pressing turns the compressor on and pressing will turn the compressor off AUX key exits Service Mode Verify Compressor Resistance Values Approximate compressor values can be checked from...

Page 45: ...citor Pin 2 red white to capacitor red white Closed circuit Compressor Removal 1 Remove main control board cover and junction box cover All screws are 5 16 in screws Main Control Board Cover Junction...

Page 46: ...own in the display Pressing turns the compressor on and pressing will turn the compressor off AUX key exits Service Mode Verify Compressor Capacitor Microfarad Values Approximate compressor capacitor...

Page 47: ...mpressor off The indoor coil should be getting hot or cold depending which mode was selected AUX key exits Service Mode Verify Reversing Solenoid Valve Resistance Values Approximate reversing valve so...

Page 48: ...ide of the Zoneline Service Reversing Valve Assembly Filter Drier Capillary Tube Assembly Filter Drier Capillary Tube Assembly Removal 1 Remove main control board cover and junction box cover All scre...

Page 49: ...filter drier capillary tube assembly is located on the left side of the Zoneline Service Filter Drier Capillary Tube Assembly Indoor Coil Removal 1 Remove indoor fan assembly See Indoor Fan Removal u...

Page 50: ...oor Coil Service Indoor Coil Outdoor Coil Removal 1 Remove outdoor fan assembly See Outdoor Fan Removal under Outdoor Fan Motor in the Air Flow section of this service guide Outdoor Coil Service Outdo...

Page 51: ...51 R 410a Charging and Recovery Process...

Page 52: ...These cylinders DOT 4BA 400 or DOT 4BW 400 meet the Department of Transportation standards for R 410A recovery cylinders Be very careful It would be easy and convenient to use whatever recovery cylin...

Page 53: ...ng spatter and copper or brass slithers Contamination can also be introduced from the refrigerant storage tanks To prolong the life of the recovery pump always use an in line filter at the inlet port...

Page 54: ...y pump 4 Throttle the output valve so that the output pressure is 100 psi greater than the input pressure but not more than 300 psi 5 Run until the recovery tank is cold Sub Cooling the Recovery Tank...

Page 55: ...very tank Safety Lead Safety Switch 6 Set the black Recover Purge valve of the recovery pump to RECOVER 7 With all hoses connected and tight open the liquid port of the recovery tank slowly to check h...

Page 56: ...the input port valve 2 Turn the recovery pump off 3 Set the Recover Purge valve to PURGE 4 Restart the recovery pump until a 15 inch vacuum is achieved 5 Turn unit off reset Recover Purge to Recover a...

Page 57: ...e system recovery and self purge auto evacuate is completed cut the process stub tube below the piercing valve hole Braze a Schrader charge valve onto the process stub tube prior to charging Charge Va...

Page 58: ...S CC220 Scale The CPS CC220 scale is used to add the required amount of 410A refrigerant There are two 9 Volt batteries supplied with the scale Insert these in the back of the controller The back of t...

Page 59: ...A system requires higher pressure gauges Be sure that R 410A is printed on the face of the gauge being used A normally operating R 410A system with a condensing temperature of 120 and 45 F evaporator...

Page 60: ...he manifold 3 Open the R 410A refrigerant cylinder to purge the air from the blue refrigerant hose using the low side port manifold valve 4 Connect the yellow hose from manifold to the charge valve on...

Page 61: ...ller to set the scale to zero 10 Open the low pressure valve on the manifold to allow the refrigerant to enter the sealed system High Side 11 When the proper charge weight is displayed add 0 25 oz for...

Page 62: ...o the ambient temperature 4 If the pressure reading is higher than the pressure listed for the ambient temperature slowly open the manifold to release the non condensable gas until the pressure readin...

Page 63: ...63 Refrigerant Sub Cooling Recovery Tank Connections In Line Filter Recovery Pump With 800 psi Gauge for the High Side DOT 4BA400 or DOT 4BW400 Recovery Cylinder...

Page 64: ...64 Refrigerant Recovery Connections Tap Valve Recovery Pump With 800 psi Gauge for the High Side In Line Filter DOT 4BA400 or DOT 4BW400 Recovery Cylinder Safety Switch Liquid Port Vapor Port...

Page 65: ...rging Connections R 410a Recovery Pump With 800 psi Gauge for the High Side Safety Switch DOT 4BA400 or DOT 4BW400 Recovery Cylinder Digit Refrigerant Scale 410A Refrigerant Gauge Manifold Set with Ho...

Page 66: ...pump operation available Resistance heating and fan only 6 Compressor fault No temperature change has been detected after 1 minute of running No effect 7 Reverse valve fault Temperature change not hap...

Page 67: ...rature drops below threshold No resistance heating available 19 Outlet temperature overheat The outgoing air is too hot No resistance heating available 23 N A N A 24 N A N A 25 Abnormal Defrost Fault...

Page 68: ...in the display 2 Toggle Function Press mode to toggle through the entries turns the mode on and turns the mode off Stepping to the next mode turns the previous mode off 3 Exit Service Mode Press Aux...

Page 69: ...Indoor coil temperature display S3 Outdoor ambient temperature display S4 Outdoor coil temperature display S5 Outlet air temperature display UI LED test sequence So Software version Indicates V major...

Page 70: ...RX 24 RX 24 NX 22 YX 22 WX 22 BX 22 RX 22 NX 22 YX 22 WX 22 BX 22 RX 22 GND2 GX 16 R EVER SING VALVE BX 24 BX 24 BX 24 BX 24 BX 24 BX 24 J102 1 2 3 4 TRIP TEMP 170 F RESET TEMP 140 F TRIP TEMP 270 F...

Page 71: ...ump 7 8 13 23 24 69 Heat Sentinel 8 15 16 18 High Side 52 59 61 63 64 65 I Indoor Air Thermistor 3 27 28 Indoor Coil 4 27 29 35 36 49 50 Indoor Coil Thermistor 4 27 29 36 Indoor Fan Motor 4 34 37 49 I...

Page 72: ...41 44 46 47 48 49 50 68 Service Main Control 3 23 Service Mode 5 28 29 30 32 33 34 37 41 44 46 47 68 Slinger 4 40 Solenoid 47 48 Sub Cooling 4 54 63 T Tap Valve 52 64 TCO 41 42 thermal cut off 41 The...

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