GE AS0CD09 Series Technical Service Manual Download Page 11

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4. Auto Mode Operation (Electronic control mode)

• The operation procedure is shown below. (Cooling & Heating Model)

INTAKE AIR TEMP.

SETTING TEMP. +1˚F
(Compressor ON)

SETTING TEMP. -1˚F
(Compressor OFF)

INDOOR FAN SPEED

COMPRESSOR

OFF

The electronic control operation

Operation Condition

Intake-air Temp

Setting Temp

Fan Speed

Air Direction Control

In this mode
when pressing
the vertical
air direction
control button,
vertical louver
swings up and
down automatically

Controlled by
the electronic
control

Over 78

Over 76 F-below 78

Over 72

F-below 76

Over 68

F-below 72

below 64

over 86

Over 64

F-below 86

F Electronic control

Intake air -2

Intake air 1

Intake air temp

When pressing room
temperature setting
button during Auto
Operation

When Auto Operation
Intial Start

Summary of Contents for AS0CD09 Series

Page 1: ...OOR OUTDOOR UNITS GE Consumer Service Training TECHNICAL SERVICE GUIDE MODEL SERIES Cooling only Models AS0CD09 AS1CD09 AS0CD12 AS1CD12 AS0CD18 AS1CD18 Heat Pump Models AS0RD09 AS1RD09 AS0RD12 AS1RD12 AS0RD18 AS1RD18 Pub 31 9012 10 99 ...

Page 2: ......

Page 3: ... Models 2 3 4 5 6 7 8 9 14 10 13 Dehumidification Mode Defrost Control Cooling Heating Sleep Mode Forced Operation 15 16 17 18 Test Mode Display Function Installation Operation Disassembly Indoor Unit Cycle Troubleshooting Guide Voltage Connectors Main PWB Indoor Unit Main PWB Indoor Unit 35 36 39 48 49 50 Main PWB Outdoor Unit Tech Sheets Exploded Views Parts List 52 63 ...

Page 4: ...2 Functions RESET ON TIME a m p m OFF TIME a m p m Hr ON OFF SET CANCEL REMOTE CONTROLLER Timer see page 15 Unit can be set with timer to shut off after 1 hour up to limit ...

Page 5: ...cel Sleep Mode Timer ON or Timer OFF 1 2 3 4 5 6 7 Off Timer Hours Fan Operates without cooling or heating C F 0 0 Switch Temp Reading C F Manual Depress Switches Temperature Reading from Centigrade to Fahrenheit Remote Controller Operation ON OFF Operation Mode Selection Fan Speed Selection Room Temperature Display Temperature Setting Setting the Time or Timer Timer Selection Timer Setting Timer ...

Page 6: ...4 Product Specifications Heating and Cooling Design and Specifications subject to change without prior notice for product improvement Cooling Only Heat Pumps ...

Page 7: ...ION PLATE Tubing hole cover Tubing hole cover D W H 1 Indoor Unit S N O I S N E M I D s t i n U r o o d n I s l e d o M K 8 1 s l e d o M K 2 1 s l e d o M K 9 t h g i e H 4 1 1 4 1 1 4 1 1 h t d i W 4 5 3 4 5 3 6 2 4 h t p e D 2 7 2 7 2 7 ...

Page 8: ... 6 1 3 6 1 3 3 4 3 D 3 0 1 3 0 1 6 2 1 Y 7 1 1 7 1 1 4 1 X 4 3 2 4 3 2 5 1 2 1 L 4 3 1 4 3 1 6 4 1 2 L 0 1 0 1 0 1 3 L 0 1 2 0 1 2 0 5 2 4 L 0 1 0 1 0 1 5 L 4 3 2 4 3 2 5 1 2 6 L 2 4 2 4 4 6 7 L 0 4 0 4 4 6 8 L 5 2 5 2 7 2 9 L 0 3 0 3 2 3 0 1 L 5 3 5 3 3 3 W L6 L5 L7 L8 D L1 L2 L9 L10 L3 L4 H 3 way valve 3 way valve Y X ...

Page 9: ...SER COOLING HEATING COMPRESSOR REVERSING VALVE For installation over the standard 25 Ft distance 0 4 ounces of refrigerant R22 should be added for each one foot addition As an example for 3 additional foot over standard add 1 3 oz of R22 for 15 Ft add 6 oz or R22 S L E D O M g n i b u t e z i S g n i p i P D O h t g n e L g n i p i P D T S n o i t a v e l E s a G d i u q i L d e t a R e l b a w o ...

Page 10: ...down automatically 3rd Repress the Airflow Direction Control Button to set the vertical louver at the desired position ALL MODELS Operation Details 1 Function of the main control 1 Time delay Safety Control 3min The compressor operation is delayed for 3 minutes to allow system pressures to equalize Compressor protection 0 1 2 3 4 5 110 Cooling Cooling Cooling Horizontal Setting point Setting range...

Page 11: ...ng Temp Fan Speed Air Direction Control In this mode when pressing the vertical air direction control button vertical louver swings up and down automatically Controlled by the electronic control 77 F Over 78 F Over 76 F below 78 F Over 72 F below 76 F Over 68 F below 72 F below 64 F 64 F below 64 F 64 F 86 F over 86 F Over 64 F below 86 F Electronic control Intake air 2 F Intake air 1 F Intake air...

Page 12: ...for Heating Compressor On temperature Setting temperature Compressor OFF temperature Setting temperature 60 F n Vertical louver auto operation In Auto operation mode when pressing the vertical airflow direction control button vertical louver moves as shown below Intake air temp below 680 F Over 680 F below 700 F Over 860 F Setting temp 680 F Intake air temperature 10 F 860 F Mode 0 Mode 1 Mode 2 M...

Page 13: ...he room temperature falls between the compressor ON temperature and OFF temperature the operation mode is switched to the Dehumidification Operation The operation diagram is shown below Cooling Operation Dehumidification Operation Cooling Operation INTAKE AIR TEMP SETTING TEMP 2 F Compressor ON SETTING TEMP 1 F Compressor OFF INDOOR FAN SPEED COMPRESSOR ON OFF ON OFF ON OFF ON Low 3 Minutes 10 Min...

Page 14: ...tion diagram is shown below Hot Start Control The indoor fan stops until the indoor pipe temperature reaches 820 F During heating operation if indoor pipe temperature falls below 780 F fan stops The operation diagram is shown below INDOOR PIPE TEMP INDOOR FAN SPEED COMPRESSOR OFF LOW Selection fan speed OFF ON 1 min 82 F 0 78 F 0 ...

Page 15: ... the outdoor pipe temperature falls below 210 F after 60 minutes has passed from ending of the first defrost and more than 10 minutes operation of compressor Protection of the indoor heat exchanger from frosting Compressor and outdoor fan stop when indoor pipe temperature is below 320 F and restart when the pipe temperature is above 450 F OUTDOOR PIPE TEMP More than 60 minutes of heating operation...

Page 16: ...ow or OFF Low or OFF Med Med Med 3 minutes 3 minutes 3 minutes SETTING TEMP 6 F Compressor OFF SETTING TEMP Compressor ON 0 7 Cooling or Heating Mode with Sleep Mode Auto Control When selecting the Cooling or Heating combined with the Sleep Mode Auto Control the operation diagram is as listed below Cooling Mode with the Sleep Mode The setting temperature will be automatically increased by 20 F 30 ...

Page 17: ...Heater Control only Heat Pump model When the power is applied to the system the heater operates automatically Except for the heating mode operation the heater will be off During the heating mode operation the heater and compressor are operated Compressor ON Heater OFF Compressor Off Heater ON FORCED OPERATION BUTTON Press the Forced Operation button once to initiate Force Operation mode Press the ...

Page 18: ...es push Negative Ion ON Not on all Models 9 Times push Reset NOTE For normal operation after checking by test mode you should reset the main power 2 Outdoor One push Ignore communication error Twice push Comp ON Outdoor Fan ON Reversing Valve Coil OFF Crank Case Heater Coil OFF 3 Times push Comp ON Outdoor Fan ON Reversing Valve Coil OFF Crank Case Heater Coil OFF 4 Times Push Same 5 Times Push Er...

Page 19: ... 5 second ON 0 5 second OFF with 3 seconds interval While the unit is off no indication displays If more than one code occurs simultaneously the bigger code NO is displayed O N E D O C s i s o n g a i D r o t a c i d n I n o i t a r e p O s k n i l B D E L n o i t a r e p O t i n U 1 r o t s i m r e h t e r u t a r e p m e t m o o r r o o d n I r o t s i m r e h t e r u t a r e p m e t e p i p r o...

Page 20: ...d attempt to wire this system Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked Carefully refer to the wiring diagram and instructions when wiring Improper connections and inadequate grounding can cause accidental injury or death Ground the unit following local electrical codes Connect all wiring tightly Loose wiring may cause overheating at conne...

Page 21: ...built over the unit to prevent direct sunlight or rain exposure be careful that airflow from the condenser is not restricted There should not be any animals or plants near which could be affected by hot air discharged Ensure the proper spacing as indicated by arrows from the wall ceiling fence or other obstacles RoofTop Installations If it is necessary to install units on a roof structure be sure ...

Page 22: ...ing connections must be done safely B Mount the installation plate on the wall with 4 type A screws If mounting the unit on a concrete wall use anchor bolts C Mount the installation plate horizontally by aligning the centerline using a level D Drill the piping hole with a 2 3 4 3 hole core drill Drill the piping hole at either the right or the left with the hole slightly slanted to the outdoor sid...

Page 23: ...ittle longer than measure distance Cut the cable 5 foot longer than the length of the pipe 2 Remove burrs Remove burrs from cut edges of pipe Turn the pipe end down to avoid metal powder entering the pipe Caution If burrs are not removed they will cause refrigerant leakage 3 Flaring the pipes Insert the flare nuts mounted on the connection ports of both indoor and outdoor unit onto the copper pipe...

Page 24: ...Be sure that drain hose locates at the lowest side of the bundle Locating the upper side can be a reason that drain water overflows drain pan indoors NOTE If the drain hose will run in the room insulate the hose with and insulation material so that drip ping from sweating condensation will not damage furniture or floors Foamed polyethylene or equivalent ARMAFLEX forexample Tubing holder To remove ...

Page 25: ...ng it into the indoor unit and refixing the tubing holder easily 9 Insulation of connecting tubing Because capillary tubing is installed in the outdoor unit both the liquid and gas side tubes of this air conditioner become cold or hot Heat pump model Therefore to prevent heat loss and wet floors due to dripping of conden sation water both tubes must be well insulated with proper insulation materia...

Page 26: ...g hole in desired position 4 Insert the pipings power supply cord and connecting cable into the piping hole Tubing holder To remove the holder press the bottom of chassis near the holder upward and pull the tab out of its hole 1 2 Pull Press Piping Indoor Outdoor Connecting cable ...

Page 27: ...hten the flare nut with fingers Finally tighten the flare nut with torque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench 9 Wrap the insulation material around the connecting portion CAUTION Take care to arrange the pipings drain hose and cables as the picture on previous page for inserting it into ...

Page 28: ...door unit onto the upper portion of installation plate Engage the two hooks of the rear top of the indoor unit with the upper edge of the installation plate Ensure the hooks are properly seated on the installation plate by moving it in left and right 1 2 Hook Drain hose Tubing Holder Taping Piping Push Connecting cable Drain hose Press the lower left and right side of the unit against the installa...

Page 29: ...nd NEC 4 Be sure wiring is adequate length for hookup Be sure to comply with local codes for wiring the indoor unit to the outdoor unit size of wire and wiring methods etc Every wire must be connected firmly No wire should be allowed to touch refrigerant tubing the compressor or any moving parts WARNING l e d o M r e w o P e c r u o S N I M G W A r e k a e r B r o e s u F y t i c a p a c a b K 2 1...

Page 30: ... wire properly place it on the terminal plate and tighten securely with the terminal screw using a screwdriver For strand wiring 1 Cut the wire end with a wire cutter or wire cutting pliers then strip the insulation to expose the strand wiring about 3 8 2 Using a screwdriver remove the terminal screws s on the terminal plate 3 Using a round terminal fastener or pliers securely clamp each stripped ...

Page 31: ...ection louver to open position horizontally by finger pressure Remove 3 screws To remove the Grille pull lower left and right side of the Grille toward you slightly tilted and lift it straight upward Four tabs on the top inside edge of chassis are clear of their slots 2 Check the drainage Pour a glass of water on the evaporator Ensure water flows through drain hose of indoor unit to outdoors ...

Page 32: ...pec tively Refer to wiring diagram on page 60 2 Attach the Grille onto the cabinet Grasp lower the left and right side of the Grille and engage four tabs on the top inside edge of the chassis Press the Grille toward the chassis until it will be back into place Replace the 3 screws removed previously Connecting cable Be sure to refer to the wiring diagram on unit mini manual Check local electrical ...

Page 33: ...om down to up 3 Form the pipings gathered by taping along the exterior wall and fix it onto the wall by saddle or equiva lent In case of the Outdoor unit being installed below position of the indoor unit 2 Tape the pipings and connecting cable from down to up 3 Form the pipings gathered by taping along the exterior wall make the Trap to be required to prevent water from entering the room 4 Fix the...

Page 34: ...e LeakTest 1 Connect the manifold valve with pressure gauges and dry nitrogen gas cylinder to this service port with charge hoses CAUTION Be sure to use a manifold valve for air purging If it is not available use a stop valve for this purpose The HI knob of the manifold valve must always be kept closed 2 Pressurize the system to no more than 150 P S I G with dry nitrogen gas and close the cylinder...

Page 35: ...for tight fit and repeat the evacuation proce dure 2 When the desired vacuum is reached close the LO knob of the manifold valve and stop the vacuum pump Finishing the job 1 With a service valve wrench turn the valve stem of the liquid side valve counterclockwise to fully open the valve 2 Turn the valve stem of gas side valve counterclockwise to fully open the valve 3 Loosen the charge hose connect...

Page 36: ...horizontally on a concrete or rigid mount using the 4 rubber anti vibration pads under each support foot Evaluation of the performance Operate unit for 15 20 minutes then check the system refrigerant charge 1 Measure the pressure of the gas side service valve 2 Measure the outside ambient air temperature 3 For reference the gas side pressure of optimum condition is as below NOTE If the actual pres...

Page 37: ...t pump models only Room Temp Display Selector Sleep Mode Auto Selector Airflow Direction Control Centigrade Fahrenheit Selector Fan Only Selector Reset manual depress Mode Operation Selection ON OFF Timer Selection Time Setting Selection Timer SET CANCEL Selection RESET ON TIME a m p m OFF TIME a m p m Hr ON OFF SET CANCEL RESET Remote Control Storage The remote control may can be stored inside th...

Page 38: ...ove step motor connector motor connector from main P C B If necessary disconnect DC power supply cord from pillar terminal and remove the cord clamp screw Be careful not to lose the cord clamp when reassembling Chassis Grille Remove Screws 3 places Connectors Cord clamp Thermistors DC power supply cord Connecting cable Pillar terminal DISCONNECT POWER BEFORE SERVICING IMPORTANT RECONNECT ALL GROUN...

Page 39: ...upper side of motor 3 To remove the Discharge Grille Remove a screw on the left side of chassis First pull the right side of the discharge grille out from the chassis and then left side carefully 4 To remove the Evaporator Unhook the tab on the left inside edge of the chassis by pressing it outwards Hooks ...

Page 40: ...inside of the chassis and pull the evaporator toward you 5 To remove the Cross Flow Fan Loosen the screw securing the cross flow fan to the fan motor shaft do not remove Pull the left end of the cross flow fan with the self aligning bearing out of the groove Remove the cross flow fan by sliding it out from the shaft of fan motor 6 To remove the Fan Motor Pick it up from the groove Do not remove a ...

Page 41: ...ence is smaller When the room air humidity is relatively lower temperature difference is larger 2 Check temperature and pressure of refrigeration cycle Notice 1 The suction pressure is usually 70 75 PSIG at normal condition 2 The temperature can be measure by attaching the thermometer to the low pressure tubing and wrap it with putty e r u s s e r p n o i t c u S h t i w d e r a p m o C e u l a v ...

Page 42: ... Replace faulty parts Turn off Main Power Turn on Main Power After 10 seconds Is beeping sound made from the Indoor Unit Check the supply voltage Main power s voltage Voltage applied to unit Connecting method of Indoor Outdoor connecting cable Check PWB Ass y Outdoor unit Fuse Pattern damage Varistor ZNRI Check the connection housing for contacting Connector related to CN POWER Connector related t...

Page 43: ...peed by force Caused by the remote controller Caused by other parts except the remote controller Check the contact of CN DISP connector When the mark is sdisplayed in the LCD screen replace battery When the detect switch double key inside the remote controller door is in fault it is impossible to operate temperature regulating and airflow selecting Check the connecting circuit between the remote c...

Page 44: ...12 1K R12 1 0K R13 6 2K R14 1 0K Check the indoor temperature sensor is disconnected or not about 10kΩ at 77 F When the temperature around Outdoor PWB Ass y is above 163 F the compressor is stopped and only Outdoor fan is operating Check Relay RY COMP for driving compressor When the power About 230 Volts AC is applied to the connecting wires going to compressor PWB Ass y is normal Check the circui...

Page 45: ...43 5 When Indoor Fan does not operate ...

Page 46: ...tion on PWB of CN UP Down Connector Check the operating circuit of the Vertical Louver Confirm that there is DC 12V between pin 2 RED of CN UP Down and GND Confirm that there is a short at following terminals Between 26 27 28 and 29 of MICOM Between 3 4 5 and 6 of IC7 Between 11 12 13 and 14 of IC7 Between 1 2 3 4 and 5 of CN UP DOWN If there are no problems after above checks Check the vertical l...

Page 47: ...45 7 When a communication error occurs ...

Page 48: ...46 8 Indicators in case of connecting error INDOOR ...

Page 49: ...nutes with applying the power The beep sound such as beep beep beep beep beep occurs periodically in Indoor unit The signal input of a remote controller and operation of product is impossible The RED indicator blinks 5 times after 2 minutes with applying the power The connecting wire of CN DC DC and Indoor and Outdoor Unit Connecting error 1 2 Connecting error 1 4 Connecting error 1 3 Connecting e...

Page 50: ...48 9 Voltage of Connectors according to Indoor Fan speed ...

Page 51: ...ic Control Device 1 Main PWB Assy Indoor Unit Low Voltage WJ29X10002 l e d o M p m u P t a e H y l n o g n i l o o C K 2 1 K 9 6 0 0 0 1 X 9 2 J W 1 1 0 0 1 X 9 2 J W K 8 1 2 0 0 0 1 X 9 2 J W 2 1 0 0 1 X 9 2 J W ...

Page 52: ...Outdoor Unit HIGH Voltage WJ29X10001 l e d o M p m u P t a e H y l n o g n i l o o C K 9 4 0 0 0 1 X 9 2 J W 8 0 0 0 1 X 9 2 J W K 2 1 5 0 0 0 1 X 9 2 J W 9 0 0 0 1 X 9 2 J W K 8 1 1 0 0 0 1 X 9 2 J W 0 1 0 0 1 X 9 2 J W ...

Page 53: ...51 3 Display PWB ASSY LD2 LD LD1 LD3 9K 12K 18K Shown l e d o M p m u P t a e H y l n o g n i l o o C d n a K 2 1 K 9 7 0 0 0 1 X 9 2 J W K 8 1 3 0 0 0 1 X 9 2 J W ...

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Page 58: ...56 Ω Ω Ω Ω Ω Ω Ω Ω Ω ...

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Page 64: ...129 127 130 131 132 115 116 114 118 117 119 GENERAL ELECTRIC PARTS CATALOG ROOM AIR CONDITIONER JUNE 1998 NEW PAGE PAGE 23 MODEL S AS0CD09AA0G1 ASORD09AA0G1 AS1CD09AA0GA AS1RD09AA0G1 Illustrated Parts Catalog The exploded views and catalog numbers are for illustration purposes only For full parts and catalog numbers refer to GE Illustrated Parts Catalog or Microfiche ...

Page 65: ...63 Illustrated Parts Catalog ...

Page 66: ...64 Illustrated Parts Catalog ...

Page 67: ...5 128 133 109 108 106 104 126 110 111 112 113 107 103 134 122 121 120 125 101 123 124 102 129 127 130 131 132 115 116 114 118 117 119 GENERAL ELECTRIC PARTS CATALOG JUNE 1998 NEW PAGE PAGE 26 MODEL S AS0CD12AA0G1 ASORD12AAA0G1 AS1CD12AA0GA AS1RD12AA0G1 Illustrated Parts Catalog ...

Page 68: ...66 Illustrated Parts Catalog ...

Page 69: ...67 Illustrated Parts Catalog ...

Page 70: ...D18DA0G1 ASORD18DA0G1 AS1CD18DA0GA AS1RD18DA0G1 26 27 23 28 19 25 24 21 20 8 7 6 4 5 1 3 15 14 13 16 11 10 9 12 17 22 2 131 132 102 128 106 105 103 107 104 115 14 123 124 125 130 101 133 29 127 126 118 119 117 116 120 121 122 108 109 111 113 110 12 Illustrated Parts Catalog ...

Page 71: ...69 Illustrated Parts Catalog ...

Page 72: ...70 Illustrated Parts Catalog ...

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