Haier GE Vertical Zoneline AZ90E09D C Technical Service Manual Download Page 1 | Manualshive

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31-9269

Vertical Zoneline

Technical Service Guide

June 2017

AZ90E09D_C

AZ90E12D_C

AZ90E18D_C

AZ91H09D_C

AZ91H12D_C

AZ91H18D_C

AZ91H09E_C

AZ91H12E_C

AZ91H18E_C

AZ91H18E_S

Rear View

9K, 12K,

18K Small

Chassis

18K

Large

Chassis

1
2
3
...
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Summary of Contents for GE Vertical Zoneline AZ90E09D C

Page 1: ...tical Zoneline Technical Service Guide June 2017 AZ90E09D_C AZ90E12D_C AZ90E18D_C AZ91H09D_C AZ91H12D_C AZ91H18D_C AZ91H09E_C AZ91H12E_C AZ91H18E_C AZ91H18E_S Rear View 9K 12K 18K Small Chassis 18K La...

Page 2: ...th its use WARNING To avoid personal injury disconnect power before servicing this product If electrical power is required for diagnosis or test purposes disconnect the power immediately after perform...

Page 3: ...iliary Fan Control 13 Service 13 Installation 14 Utility Closet Connection Locations 14 Small Chassis 15 6PDOO KDVVLV RPSRQHQWV GHQWL FDWLRQV 16 Small Chassis Component Access 18 Control Panel Access...

Page 4: ...Repairs 36 Regrigerant Charging 36 Method of Charging Repairs 36 Undercharged Refrigerant Systems 37 Overcharged Refrigerant Systems 37 Restricted Regrigerant System 38 Hermetic Components Check 39 T...

Page 5: ...toe shoes for all repairs Steel Toed Work Boot Electrically Rated Glove and Dyneema Cut Resistant Glove Keeper Dyneema Cut Resistant Glove Plano Type Safety Glasses Prescription Safety Glasses Safety...

Page 6: ...9 M 2018 L 2017 H 2016 G 2015 F 2014 D 2013 A Small Chassis rear view Model Serial ID Tag Large Chassis front view Mini Manual Mini Manual and Model Serial ID Tag Model Number A Z 9 1 H 1 2 D 2 C W 1...

Page 7: ...e being serviced to be certain of a proper diagnosis and repair See the GE Vertical Zoneline Nomenclature section of this service guide Changes to Design No slide out chassis Panels must be removed to...

Page 8: ...s The thermistor allows maximization of heat pump run time Instant Heat Heat Pump Mode Heat pump models will automatically run the electric heater during compressor lock out to quickly provide heat wh...

Page 9: ...with Electric Heat Zonelines When the thermostat is in the Heat Mode if the indoor ambient temperature is below the heat set point and the compressor is not locked out then the compressor turns on If...

Page 10: ...cool heat operations and not for continuous fan mode When the GE Vertical Zoneline cycles Heating ON starts the fan 5 second EARLY When the GE Vertical Zoneline cycles Heating OFF DELAYS the fan off f...

Page 11: ...Mode The B terminal must be continuously energized The W terminal must have 24 VAC output to call for heat The control board decides on whether to turn on the Heat Pump Heat compressor or Electric He...

Page 12: ...tructions Improper connection of the thermostat control wiring and or tampering with the GE Vertical Zonelines internal wiring can void the equipment warranty Failure to follow these instructions can...

Page 13: ...ssis out of the utility closet Auxiliary Fan Control Service The GE Vertical Zonelines electronic control has built in provisions for connection to an external switch to control power to the GE Vertic...

Page 14: ...duct may be used for transitions only Outside wall Unit slides into wall plenum approximately 2 Primary Drains A drain connection is located on the back of the unit approximately 2 from the left side...

Page 15: ...itor is mounted in the control area Fan Motor A double shaft fan motor is used on the small chassis models They are two speed motors and the blades are attached to the shaft with clamps Heater 0RGHO V...

Page 16: ...Touch Pad Fresh Air Vent Evaporator Coil Pullout Disconnect Evaporator Coil Evaporator Coil Thermistor Compressor Condenser Coil Thermistors Condenser Right Side Left and Back Sides Condenser Air Dis...

Page 17: ...FRQWLQXHG 265 Model Transformer Fuse Pull Out Disconnect Transformer Heater Relay Line Fuses Transformer Fuse 265 Model Front Evaporating Coil Main Control PCB Transformer Fuse Block Pull Out Disconne...

Page 18: ...8 Small Chassis Component Access Remove quick disconnect and nine 1 4 in hex head screws then slide the panel up and out of the GE Vertical Zoneline Control Panel Access Control Area Control Area Open...

Page 19: ...nsformer to the control area bracket Transformer 265 Volt Models Motor Winding Resistance Model Measurement LQGLQJ 5HVLVWDQFH Indoor Motor Outdoor Motor AZ90E09 AZ90E12 AZ90E18 AZ91H09 AZ91H12 AZ91H18...

Page 20: ...20 Heater Side Side panel removed to access heater if duct cannot be removed Heater Top Small Chassis Component Access continued...

Page 21: ...n the blower housing behind the right side panel Fan Motor A separate blower fan motor is used on the large chassis models for inside air movement and an outdoor fan motor for air intake and exhaust t...

Page 22: ...r Wheel Pull Out Disconnect Service Module Compressor Relay Condenser Air Discharge Condenser Coil Thermistor Condenser Condensate Drain Hose Condenser Fan Blade Condenser Fan Motor Fresh Air Door Con...

Page 23: ...Thermistor Power Disconnect Compressor Relay Service Display Board 265 Volt Control Area Power Disconnect Service Display Board Line Fuses Main Board Indoor Air Thermistor L2 Compressor Fuse Compress...

Page 24: ...d must be rotated to remove Heater and Bracket Indoor Blower Assembly Brace Bracket screws Heater Resistance Model Heater 5HVLVWDQFH AZ90E09D AZ90E12D AZ90E18D AZ91H09D AZ91H12D 2 5 kW 18 61 5 3 4 kW...

Page 25: ...llen screw Outdoor Motor and Blade Assembly Large Chassis Component Access continued The blower wheel is attached to the motor shaft with a 5 16 in square head bolt The motor is secured to the blower...

Page 26: ...ate drain tube to access the shroud screws Remove the braces and bracket screws Ensure that new wire ties are installed on the drain tube Right Side Components With the right side panel removed the he...

Page 27: ...en the GE Vertical Zoneline needs service This wrench LQGLFDWHV DQ IDXOW FRGH LV RQ DFWLYH 7R QG RXW ZKLFK RQH FKHFN DOO IDXOW FRGHV The chart on the following page lists the possible fault codes and...

Page 28: ...the GE Vertical Zoneline will resume operation after lockout time 8 Zoneline Cycles greater than 9 times per hour The GE Vertical Zoneline will continue to operate and be monitored 9 Zoneline Cycles l...

Page 29: ...RQWURO RDUGV RPSRQHQWV GHQWL FDWLRQ Electronic Control Heat Relay Fan 1 Relay Fan 2 Relay Fan 3 Relay Fan 4 Relay RV Relay Comp Relay Outdoor Coil Sensor Indoor Coil Sensor L2 L1 To Compressor To Fan...

Page 30: ...0 OHFWURQLF RQWURO RDUGV RPSRQHQWV GHQWL FDWLRQ Main Board Front Service Display Board Back up Battery NOT USED Indoor Air Thermistor Connector L2 Compressor Fuse Main Board Wall Thermostat Connection...

Page 31: ...re below There should be up to 5 VDC 4 If there is no voltage replace the electronic control board 5 If there is voltage check the wire harness and connections at the electronic control board and the...

Page 32: ...or wires from the control board 4 Test for continuity between the windings also test to ground 5 If any winding is open or grounded replace the motor Dual Rated Run Capacitor Hook Up Capacitor The bes...

Page 33: ...ation condensate which collects in the drain pan is picked up by the condenser fan blade and sprayed onto the condenser coil This assists in cooling the refrigerant plus evaporating the water During t...

Page 34: ...ign determines at exactly what point in the condenser the change of state i e gas to a liquid takes place In all cases however the refrigerant must be totally condensed changed to a liquid before leav...

Page 35: ...state i e liquid to a gas takes place In all cases however the refrigerant must be totally evaporated changed to a gas before leaving the evaporator coil The low pressure suction created by the compre...

Page 36: ...e preferred method to use as it is the most accurate The weighed in method should always be used whenever a charge is removed from a GE Vertical Zoneline such as for a leak repair compressor replaceme...

Page 37: ...A check of the amperage drawn by the compressor motor should show a lower reading KHFN WKH 9HUWLFDO RQHOLQH 6SHFL FDWLRQ LQ the Mini Manual Compressor amps will be near normal or higher Non condensab...

Page 38: ...could be partially frosted of have an ice ball close to the entrance of the metering device Frost may continue on the suction line back to the compressor Often a partial restriction of any type can be...

Page 39: ...k valve to seat properly in either mode of operation will cause RRGLQJ RI WKH FRROLQJ FRLO 7KLV LV GXH WR WKH Metering Device Capillary Tube Systems All GE Vertical Zonelines are equipped with capilla...

Page 40: ...fted by the pressure differential between the high and low sides of the system The pilot section of the valve opens and closes ports for the small capillary tubes to the main valve to cause it to shif...

Page 41: ...N WKH DLU RZ WKURXJK WKH RXWGRRU coil and allow the discharge pressure to build the system Then switch the system from heating to cooling If the valve is stuck in the heating position block WKH DLU RZ...

Page 42: ...all lines into the new valve and braze the lines into new valve 8 Once the sealed system is leak free install a solenoid coil on the new valve and charge the sealed system by weighing in the proper am...

Page 43: ...dy clean point of contact as a good connection is a must and the other probe in turn to each compressor terminal If a reading is obtained the compressor is grounded and must be replaced Complete evalu...

Page 44: ...ine operation and life expectancy the following maintenance procedures should be performed on a regular basis 1 Air Filter To ensure proper GE Vertical Zoneline RSHUDWLRQ WKH DLU OWHUV VKRXOG EH UHSOD...

Page 45: ...mistors Resistance Values This Table Applies to All Thermistors Temperature F Resistance k Ohms Tolerance 0 98 5 10 70 5 20 51 4 30 37 4 32 35 4 50 20 3 60 16 3 70 12 2 75 10 2 80 9 2 90 7 2 95 6 2 10...

Page 46: ...operly Is locked rotor voltage a minimum of 197 volts Is Capacitor and if so equipped Start Assist good Have system pressures equalized Compressor should run Possible compressor problem indicated See...

Page 47: ...ump Replacing Reversing Valve NO NO YES YES Reversing Valve Stuck YES Replace Solenoid Coil Is the Solenoid Coil Good Is Line Voltage Present at Solenoid Valve Is Selector Switch Set for Heat SYSTEM C...

Page 48: ...48 Schematic...

Page 49: ...lenum 5 1 2 8 RAVWPT14 Telescoping Wall Plenum 8 14 RAVTRANS Transition piece btw new VTAC Sharp VTAC RAVRG1 Access Panel with Return Air Grille RAVRG2 Return Air Grille RAVRMS Wall mounted Room Air S...

Page 50: ...ce Improper installation delivery or maintenance If you have an installation problem or if the air conditioner is of improper cooling capacity for the intended use contact your dealer or installer You...

Page 51: ...fan motors 7 50 Fuses 15 17 21 H Heater 15 16 17 19 20 21 22 I Introduction 7 L DUJH KDVVLV RPSRQHQWV GHQWL FDWLRQV Low Voltage Interface Connections 11 N Nomenclature 6 R Refrigeration Sequence of Op...

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