MOBILE SERIES
Contents
1. 26 15 Trouble A 27 13 1 Trouble shooting problems erret tette tenter tetro 28 13 2 Trouble shooting for electrical system center tenente entere tentes 29 Safety Precaution 1 Safety precaution 1 1 Installation For electrical work contact the dealer seller a qualified electrician or an Authorized service center Do not disassemble or repair the product by yourself Sharp edges could cause injury be especially careful of case edges and the fins on the condenser and evaporator Be sure the installation area does not deteriorate with age Take care to ensure that power cable could not be pulled out or damaged during operation Do not place anything on the power cable Do not plug or unplug the power supply plug during operation Do not store or use flammable gas or combustible near the product When flammable gas leaks turn off the gas and open a window for ventilation before turn the product on If strange sounds or small or smoke comes from product Turn the breaker off or disconnect the power supply cable as soon as possible When the product is soaked flooded or submerged contact an Authorized service center Be caution that water could not enter the product Turn the main power off when cleaning or maintaining the2. 121 Ar BUZZER gl 52 e E 4 WYQ0S 1 a mu E gt PUMP T all r t SS pu oe Rms Sh E P T E 1 2 RREN RA218 x TOS JZC l 4 cm cH Dno 219 Tins z x aiia a X gt UT EE R3450 KEY Ries 1 4 MAR Len R15 00 3v 1 o n HELE NIT Wwe T 35V DC 2 COMP Rov e R GND cs _ cu E FUSE 2A250Vf TES gt pec cca 2 TRANDUT 3 si E rRANTN EE DENK I 3 r3 KL x Era 24 N 1 bns DA lt pp gt 104 The below picture is PCB Drawing Water full switch Inner Tempreature Sensor 10 pin plug Display OuterTempreature Sensor PCB drawing amp Wiring diagram The below picture 15 Display schematic 800145 BY 1 Q 1402 13416 A AAA gt T LEDO v 4 M gt Lm AA AA wey wi WE Lo n AUTO SLEEP DRY LI 3 1 ya Ren
3. ee v Us ya ia ca D Un a r E PE fea E 1 pi L En L St mn 1 Fu E rm A he m a e k ui p ES i Er oo oe L z gu ul uim z n E EJ ey ra pe D ia F er 1 un m j m 1 ore i T a a0 Ut in HI un un 1 i Y un gt un m E ha aJ zn en ra ES Ra Fi E un pee pe Er ope ep Pee es pa E fp pa xr L mi i rol in v I mi um Pm uro Y WO ur 1 yr r3 i F a E in LE c De mi 25 Trouble shooting 13 Trouble shooting PROBLEM POSSIBLE CAUSE REMEDY Power failure Check the power supplier if the power supplier 15 suppl
4. MOBILE SERIES AMC 15A D SINCLAIR AIR CONDITIONING Content CONTENT 1 Safety precaution rca 1 LE OOOO O 1 2 C a NN 1 A A dui 1 A 3 3 4 d A 5 ik ME EM E OS 5 gt cycle A o AS 7 6 PUB amp wiring diagram bedeba eee Sse 8 7 Unit DisassemblySequedce uni Senbol 11 bk A In 11 Parts DISaSsSemmbDly aoo uc da idee st tst toe 12 8 DION ay 13 ME Ecetia 16 9 1 Parts of the Air Conditioner is 16 16 T0 Electronic TONCUON critical ec tit 17 0 PI c 17 KO Controller ie 17 TOS Controller ie oaa 17 104 17 MM MEL Lp 17 Timer Sodimac dali 19 ES o A En POCO ESE SSS A 19 IOS SPEOtecton ON AAA AA e 19 oa A 21 A Dira 21 LED Sealedretmoeration Sysicin TODalES 55 cs 22 E e et ota vei storie om eap dq A O 24 MEG UNE 25 12 Characteristic of temperature 8 050
5. TE ex n Lu N Electronic function 10 Electronic function 10 1 Function 10 1 1 Cooling Heating or Dehumidifying mode 10 1 2 With Auto switch on off and sleep mode function 10 1 3 Ts range Cooling 177 30 C 65 90 F Heating 15 25 C 60 80 F Time delay safety control 10 1 4 With 3 fan speed mode available in high medium low for the upper fan system while for the lower fan system 15 only available with single speed This single fan speed 15 working together with the compressor and can auto detect the any damages within 10 2 Controller Specifications 10 2 1 Normal power source 220 15 BK 110 5 90 10 2 2 Operation temperature electrical system working temperature range 10 60 storage temperature range 20 70 relative humidity range 35 98 10 2 3 temperature sensor R25 50 5K B 3470 temperature precision 1 10 2 4 display ambient temperature 10 2 5 For Fahrenheit switching please press function key for 10 s during the stand by mode 10 3 Controller Structure The control systems are consist of remote control internal control display main PCB board and internal receiver While for internal PCB board output systems are consists of upper fan system high medium and low and compressor 10 4 Sensor Definitions TA Temperature of ambient T1 TE Temperature of evaporator T2 TS Setting temperature T3 10 5 Mode 10 5 1 Co
6. and service Basically troubleshooting and servicing rotary compressors is the same as on the reciprocating compressor with only a few exceptions 1 Because of the spinning motion of the rotary the mounts are critical If vibration is present check the mounts carefully 2 The electrical terminals on the rotary are in a different order than the reciprocating compressors The terminal markings are on the cover gasket Use your wiring diagram to insure correct connections 11 2 6 Refrigerant charge 1 The refrigerant charge is extremely critical It must be measured charge carefully as exact as possible to the nameplate charge 2 The correct method for charging the rotary 15 to introduce liquid refrigerant into the high side of the system with the unit off Then start compressor and enter the balance of the charge gas only into the low side The introduction of liquid into the low side without the use of a capillary tube will cause damage to the discharge valve of the rotary compressor NOTE inoperative compressors returned to Friedrich must have all lines properly plugged with the plugs from the replacement compressor 11 3 Fan motor A single phase permanent split capacitor motor is used to drive the evaporator blower and condenser fan A self resetting overload is located inside the motor to protect against high temperature and high amperage conditions 11 3 1 Fan motor test 1 Determine that capacitor 15 serviceable 2 Di
7. is connected in series with the common motor terminal Should the internal temperature and or current draw become excessive the contacts in the overload will open turning off the compressor The overload will automatically reset but may require several hours before heat 15 dissipated 11 1 6 Checking the internal overload 1 With no power to unit remove the leads from the compressor terminals 2 Using an ohmmeter test continuity between terminals C S and C R If not continuous the compressor overload is open and the compressor must be replaced 11 2 Sealed refrigeration system repairs 11 2 1 Equipment require 1 Voltmeter 2 Ammeter 3 Ohmmeter 4 E P A Approved Refrigerant Recovery System 21 Basic test procedure 5 Vacuum Pump capable of 200 microns or less vacuum 6 Acetylene Welder 7 Electronic Halogen Leak Detector G E Type H 6 or equivalent 8 Accurate refrigerant charge measuring device such as a Balance Scales 1 2 oz accuracy b Charging Board 1 2 oz accuracy 9 High Pressure Gauge 0 400 lbs 10 Low Pressure Gauge 30 150 lbs 11 Vacuum Gauge 0 1000 microns 11 2 2 Equipment must be capable of 1 Recovery CFC s as low as 5 2 Evacuation from both the high side and low side of the system simultaneously 3 Introducing refrigerant charge into high side of the system 4 Accurately weighing the refrigerant charge actually introduced into the system 5 Facilities
8. of condensor slide up the partition panel and then slow take out the condensor from the left hand side From there you can see the water motor Caution please be note that in order to avoid any water split by water wheel you should uphold the condensor PRESEA a ig Er SCICOWS Water motor Water wheel 12 12 Characteristic of temperature sensor Characteristic of temperature sensor R25 5 0K0 1 0 B25 50 3470k 1 096 R T Cc 5 e mee _ z 7 p ni a 1 un 1 1 ta E As 536 as 1202 Ail 432 42 B10 4 1 som E th LA oa id ie a ii ci co a pH b J ul rn un t E rr ut 1 vis 1 e La 4 un 5 006 74 006 16 756 17 476 i 365 2 000 967 00 E 2 000 i Big A r m oS mi ui Pea 1 r p ka ir oo oe i F mi 1 f ul im is LT Ed i i
9. press the down button and for each press the temperature will be decreased by 1 continually the temperature will be decrease to 2 after the 2 hours operation Apart from this the temperature will not be rise up anymore 10 7 3 It is confirmed that there is no sleep mode function during the dehumidification function 10 7 4 Under this sleep mode the fan speed remained as low speed 10 8 Protection function 10 8 1 Compressor delay protection 10 8 1 1 When the unit is in operation compressor need 3 min and 305 for starting 10 8 1 2 When compressor is off and restart again restarting period is 3 min and 30s 10 8 2 Defrosting protection mode display DF Compressor keep on working for 15 min please check the fan coil temperature lt 1 thus compressor will be turned off if the compressor stop for 3 min amp 30s Indoor fan coil temperature gt 2 compressor will be turned on and defrosting mode will be off 10 8 3 Water full protection display E4 When the water power is closed for 3 seconds followed by water full protection control 18 Electronic function system will be off All the power will be off Signal will be turn into E4 If the water full signal 1s Off the control system has to be pressed on or off to restart the operation 10 8 4 El indicate the indoor temperature hot and resistance 15 in error thus control system will be off 10 8 5 E2 indicate the indoor temperature hot and resistance 15 in error thus contro
10. product When the product is not be used for a long time disconnect the power supply plug or turn off the breaker 1 2 Caution Always check for gas refrigerant leakage after installation or repair of product Install the drain hose to ensure that water is drained away properly Keep level even when installing the product Do not install the product where the noise or hot air for the outdoor could damage the neighborhoods Use two or more people to lift and transport the product Do not install the product where it will be exposed to sea wind salt spray directly 1 3 Operational Do not expose the skin directly to cool air for long periods of time Do not sit in the draft Do not use the product for special purposes such as preserving foods works of art etc It is a consumer air conditioner not a precision refrigerant system Do not block the inlet or outlet of air flow Use a soft cloth to clean Do not use harsh detergents solvents etc Do not touch the metal parts of the product when removing the air filter They are very sharp Do not step on pr put anything on the product Always insert the filter securely Clean the filter every two weeks or more often if necessary Do not insert hands or other object through air inlet or outlet while the product is operated Do not drink the water drained from the product 1 Specification Replace the all batteries in the remote control with new ones of the same type D
11. 05740Y1 H2 AH 54 REMOTE CONTROLLER 8000320Y32K A 55 Control panel receiver 00MM 8001800Y1A AK 56 Covertop 31002901 AB _ POWERCOD 760043 01 31 CARTON 610077011 AL PVC transparent tube xD19xL600 23000780XY
12. 300Y1 AP 23 WHEEL BLOWER 215x95 ABS GF 210631 0Y2 AN _24 HOUSING BLOWER RIGHT BOTTOM 4103310Y1 AP _25 HOUSING BLOWERLEFTTOP 4102540Y1X AP _26 WHEEL BLOWER 215x95 ABS 21063101 AM 27 HOUSING BLOWER RIGHTTOP 410253 1 _28 CAP 3 0uFx450VAC 73004900XY AE 29 CAP 3 5uF450V 73005201 AE _30 MOTOR BRACKET 11027601 AH _31 OUTER MOTOR 7200710 32 INNER MOTOR 7200780Y3AL 33 DISPLAY PCB 800149BY1Q AS 34 CONTROL PANEL 2105770Y1H_ ____ AL 35 PACKING TOP PSF 4102830Y1 AH 36 MAIN PCB 8001610Y45Q J AX 37 Clip for capacitor 190004 0B4Y AB _38 CAPACITOR 30uF 450VAC_ 78000220 AP 39 OUTLET FOR HOT AIR RIGHT 21057AY1 AF _40 OUTLET FOR HOT AIR LEFT 2105836BY1 AF _41 UPPER COVER BACK HOT AIR 2105760Y1 H AG _42 PIPE OUTER D150mm 21058102 AD _43 PIPE EXHAUST 150 290008A0XY AN 44 OUTLET FOR HOTAIR 21057904H AG _45 WHEEL WATER 2101860BAY AL _46 COVER FOR WATER MOTOR 210538AY1 AD _47 WATER MOTOR 230V 50Hz 720075 BY3 AX 48 SWITCH KW3A 162A2 C075 16 750035 0Y1 AL 49 FLOATER 2200010 Y AC 50 wireholder bottom 210467AY3 AC 51 MAIN BRACKET 110196AY1 fJ 52 RIGHT SIDE PLATE 210520AY 1H 53 BackPANEL 21
13. AUTO TIMER SPEED POWER 1 row Press this button to switch unit on or off Za eo x Y Press this button to select between Cooling Heating Dehumidifying 3 TEMP Pressing this button in cooling mode adjusts the required room temperature by 1 C up to a maximum temperature of 30 C Pressing this button in heating mode adjusts the required room temperature by 1 C up to a maximum temperature of 25 C 4 TEMP Pressing this button in cooling mode adjusts the required room temperature by 1 C to a minimum temperature of 17 C Pressing this button in heating function adjusts the required room temperature by 1 C to a minimum temperature of 15 C 5 LED DISPLAY The display shows the current ambient temperature in operation By pressing TEMP TEMP buttons the required target temperature is displayed When pressing the timer button TIMER the number of hours 15 shown until delayed start up or delayed shutdown After each setting the display automatically shows the current ambient temperature again In the dehumidifying mode dH or HP upside down is shown on the display Error messages are also shown in the display 6 SPEED 5 Pressing this button sets the ventilation speed to low medium L high or AUTO Display Automatic If AUTO is selected ventilator operates at temperature differences larger than 9 degre
14. Capacitor Discharge capacitor before testing shorted open or damaged Trouble shooting Check the temperature setting if not at the coolest in cooling mode or warmest in heating mode Set it 1f not Check the compressor for open circuit or ground If open or grounded replace the compressor Remove the cabinet and carefully rearrange tubing not to contact cabinet compressor shroud and barrier Check and pour if the water tank 15 full Room temp sensor Compressor Water tank full Water depth sensor if failure Check and replace if failure Water depth is over load in chassis Water depth sensing structure Air filter Check and drainage the water in the chassis by open the drainage hose on the chassis Water full alarm Check and replace or realign if the structure is failure Clean or replace if restricted Realign and assemble if the installation of the air discharging pipe failure Replace if damaged Determine if the unit is properly sized for the area to be cooled or heated Clean or replace if restricted To check wether water motor damaged or water hose is block or not Check the fan capacitor and replace if not within 10 of manufactures rating Clean or remove if any barrier is found to block the inlet outlet wind flow of the unit Check the tubes for reasons of leakage Recycle the refrigerant correct the leakage points and recharge Regulate the flow if capillary tube and make the e
15. Noes Ba A gt 5 TM1615 Ic24 aa yaa KEY 3 R23 2 aura 1 R24 R25 R26 m7 R28 sv 1 21 1 CM IK IK IR 2K 104 GND mercy gt o te 5 2 C24 S 1 5 2 SWS SWS 596 594 d 587 102 lo T o POWER MODE TEMP 4 T TIMER TEMP SLEEP R2 2 1005 Mad 102 E 24 ze 9 82 1109 4 B 4 at 023 10 The below picture 15 Display Drawing 800145 1 HI ME LO Dut me LEDS LEDE LEDS SPEED HE Jes TIMER lg sus PCB drawing Wiring diagram The below picture 15 PCB Layout 800161 0Y 4 5 The below picture 15 Display Layout 800145 BY 1 Wiring Diagram WIRING DIAGRAM YELLOW MOTOR DOWN DRAINING MOTOR BROWN RED GREEN YELLOW 630241 DY 3 1 REMOTE REMOTE DISPLAY RECEIVER WHITE 10 Feature 7 Unit Disassembly sequence 7 1 Stepl Casing Disassembly disassemble hot and cool air louver and unscrew the casing of front panel side panel and top panel NV 1 4 a NE lr AS SN screws YO Y Screws M um SCICWS 11 Feature 7 2 Step2 Internal Parts Disassembly Motor and PCB Disassembly please also dismantle the screws at two sides for the right side 1s the fasten strip SCICWS Disassembly steps for water motor please dismantle the screws
16. apacitor terminals The deflection of the pointer should be two times that of the first check if the capacitor is good 5 Repeat steps 3 and 4 to check fan motor capacitor NOTE A shorted capacitor will indicate a low resistance and the pointer will move to the 0 end of the scale and remain there as long as the probes are connected An open capacitor will show no movement of the pointer when placed across the terminals of the capacitor 24 12 Characteristic of temperature sensor Characteristic of temperature sensor R25 5 0K0 1 0 B25 50 3470k 1 096 e ba n u ax as 4560 22 000 p ni m 14 m ki EA daz uz Ail 432 Pa e 1 T m a 564 put Wa us i5 000 000 men is 000 m ii gt co C L co K uu ut 1 E ada e ia ur on i4 000 i4 004 zz 501 i2 000 Lass ams uum e ze lae 14 600 1 Em gt jes m 1 d D co a E J el rn E un E un un 1 i un i t Ln I m
17. arts and stops frequently MBs e e OD D Room temperature Sudden change of Solution switching the units from F to C and viceversa temperature units Procedure Please switch off the unit to STAND BY from C to F and mode by pressing the button POWER on the unit the unit is vice versa plugged in hold for 5 10 seconds button FUNC on the unit and after a beep sound switch on the unit by button POWER 27 Trouble shooting problems no signal YES Water full light on Abnormal Control Abnormal dipslay Connection problem between YES INO being good 28 Trouble shooting YES Power cord damged Replace Power source YES proble no Check main pCB YES Repair and replacement YES Check 1f water full or not Water drainage no ES Micro switch Water full after problem running YES YES YES Replace micro Checking wiring switch no Main PCB damage Water pump damaged no YES Repair and Water wheel replacement problem YES Trouble shooting finish Water pump damaged i E Check electrical wiring replacement 1 tri Un Trouble shooting Trouble shooting for electrical system With El signal compressor off yes yes yes Fan coil damaged 1n Senor of fan coil replacement damaged yes no Power source Power source 120V no Fu
18. ding pressure of 200 microns or less NOTE This process can be speeded up by use of heat lamps or by breaking the vacuum with refrigerant or dry nitrogen at 5 000 microns Pressure system to 5 PSIG and leave in system a minimum of 10 minutes Recover refrigerant and proceed with evacuation of a pressure of 200 microns or a minimum of 1090 11 Break vacuum by charging system from the high side with the correct amount of refrigerant specified This will prevent boiling the oil out of the crankcase NOTE If the entire charge will not enter the high side allow the remainder to enter the low side in 22 Basic test procedure small increments while operating the unit 12 Restart unit several times after allowing pressures to stabilize Pinch off process tubes cut and solder ends Remove pinch off tool and leak check the process tube ends 11 2 4 Special procedure in the case of compressor motor burnout 1 Recover all refrigerant and oil from the system 2 Remove compressor capillary tube and filter drier from the system 3 Flush evaporator condenser and all connecting tubing with dry nitrogen or equivalent to remove all contamination from system Inspect suction and discharge line for carbon deposits Remove and clean if necessary 4 Reassemble the system including new drier strainer and capillary tube 5 Proceed with processing as outlined under hermetic component replacement 11 2 5 Rotary compressor special troubleshooting
19. es at top speed If temperature reduces to a difference smaller than 4 degrees the ventilator switches to middle blower position Ifthe temperature reduces further until the target temperature the ventilator switches to the lowest blower position 7 TIMER Programmable timer button for delayed start up or delayed shutdown How to program a delayed start up This function 15 used to set the number of hours delay before the appliance comes on Proceed as follows Press TIMER button in Stand by mode unit 15 plugged in but not in operation no display on the panel to set the number of hours delay before the appliance comes on Select the required function cooling heating and dehumidification wait until the unit displays the ambient temperature and then set the desired temperature After the set number of hours has expired the unit starts automatically If you press the POWER 0 button before the time has expired the delayed start up will be cancelled the unit turns on and can be operated in required operating mode How to program a delayed shutdown This function 15 used to set the number of hours delay before the appliance goes off Proceed as follows Start the unit in required function cooling heating or dehumidifying Press the TIMER button during operation and enter the required number of hours delay before the appliance goes off After the flashing of the number of hours on the LED has stopped can select the req
20. etween the two input output lines on transformer Replace the transformer if either of the input output is open or the transformer is damaged Fan motor will not Wire disconnected or Connect wire Refer to wiring diagram for terminal run connection loose identification Repair or replace loose terminal Main PCB failure Select fan speed and Check the voltage on main PCB Replace the main PCB if no voltage in anyone Test capacitor Replace if not within 10 of manufacture s rating Replace if shorted open or damaged Fan blower hitting scroll Realign assembly Will not rotate Check fan motor bearings Replace the motor if motor shaft do not rotate Replace the fan blower if cracked out of balance or partially Fan blower de missing Tighten them Replace motor if knocking sounds continue when running Worn bearings loose or the motor hums or noise appears to be internal while running Compressor will not run while fan Check the wire connections 1f loose repair or replace the motor runs terminal If wires are off refer to wiring diagram for identification and replace Check wire locations If not per wiring diagram correct Check the capacitor Replace if not within 10 of manufacturers rating Replace if Fan motor runs intermittently Transformer Discharge transformer before testing Capacitor Discharge capacitor before testing Wiring Main PCB failure
21. for flowing nitrogen through refrigeration tubing during all brazing processes 11 2 3 Hermetic compressor replacement The following procedure applies when replacing components in the sealed refrigeration circuit or repairing refrigerant leaks Include Compressor condenser evaporator capillary tube refrigerant leaks etc 1 Recover the refrigerant from the system at the process tube located on the high side of the system by installing a line tap on the process tube Apply gauge from process tube to EPA approved gauges from process tube to EPA approved recovery system Recover CFCs in system to at least 5 2 Cut the process tube below pinch off on the suction side of the compressor 3 Connect the line from the nitrogen tank to the suction process tube 4 Drift dry nitrogen through the system and unsolder the more distant connection first Filter drier high side process tube etc 5 Replace inoperative component and always install a new filter drier Drift dry nitrogen through the system when making these connections 6 Pressurize system to 30 PSIG with proper refrigerant and boost refrigerant pressure to 150 PSIG with dry nitrogen 7 Leak test complete system with electric halogen leak detector correcting any leaks found 8 Reduce the system to zero gauge pressure 9 Connect vacuum pump to high side and low side of system with deep vacuum hoses or copper tubing Do not use regular hoses 10 Evacuate system to maximum absolute hol
22. ied to the No power display unit Check the power cord and correct if damaged Check resistance between the two input output lines on transformer Replace the transformer if either of the input output is open or the transformer is damaged on panel or any one of the buttons failure Transformer Discharge transformer before testing Display board or main Check the voltage on display board Replace the display board if Remote control failure itis 5V else replace the main PCB failure NET Battery failure Check the voltage of battery Replace batteries if the voltage 15 lower than 2 3V Check voltage Call an electrician 1f not within limits Test capacitor Replace if not within 10 of manufacture s rating Cycles on overload Check bearings Replace the motor if the blower wheel cannot rotate freely Pay attention to any change from high speed to low speed Replace the motor if the speed does not change The amount of the refrigerant is too much making the Compressor stops Refrigerant compressor load too big Recycle and recharge the refrigerant instantly after after checking for the reason startup The compressor is blocked inside Replace after checking for Compressor the reason Check voltage at electrical outlet Correct 1f none Check and correct if water alarm happens DA Check voltage at the power cord terminal on Main PCB Land Replace the power cord if none Check resistance b
23. l system will be off 10 8 6 Refrigerent leaking protection display as E3 Compressor turn on if tolerance is lt 5 at between indoor temperature and fan coil after operation for 15 min The compressor will be turn off and upper fan system will be running at the set speed The signal display E3 and press the power key or power off to clear this signal 19 Basic test procedure 11 Basic test procedure 11 1 Defective compressor Compressors are single phase 115 or 120 volt depending on the model unit All compressor motors are permanent split capacitor type using only a running capacitor across the start and run terminal compressors are internally spring mounted and externally mounted on rubber isolators 11 1 1 Compressor wiring test Remove compressor terminal box cover and disconnect wires from terminals Using an ohmmeter check continuity across the following Terminal C and S no continuity Open winding replace compressor Terminal C and R no continuity Open winding replace compressor Terminal R and S no continuity Open winding replace compressor 11 1 2 Ground test Use an ohmmeter set on its highest scale Touch one lead to the compressor body clean point of contact as a good connection is a must and the other probe in turn to each compressor terminal see Figure 2 If a reading 15 obtained the compressor 15 grounded and must be replaced 11 1 3 Checking the co
24. mpressor efficiency The reason for compressor inefficiency 15 normally due to broken or damaged suction and or discharge valves reducing the ability of the compressor to pump refrigerant gas This condition can be checked as follows 1 Install a piercing valve on the suction and discharge or liquid process tube 2 Attach gauges to the high and low sides of the system 3 Start the system and run a cooling or heating performance test 20 Basic test procedure If test shows A Below normal high side pressure B Above normal low side pressure C Low temperature difference across coil The compressor valves are faulty replace the compressor 11 1 4 Terminal overload external Some compressors are equipped with an external overload which is located in the compressor terminal box adjacent to the compressor body The overload is wired in series with the common motor terminal The overload senses both major amperage and compressor temperature High motor temperature or amperage heats the disc causing it to open and break the circuit to the common motor terminal Heat generated within the compressor shell is usually due to 1 High amperage 2 Low refrigerant charge 3 Frequent recycling 4 Dirty condenser 11 1 5 Terminal overload internal Some model compressors are equipped with an internal overload The overload 15 embedded in the motor windings to sense the winding temperature and or current draw The overload
25. o not mix old and mew batteries or different types of batteries Do not recharge or disassemble the batteries Do not dispose of batteries in a fire If the liquid from the batteries gets onto your skin or clothes wash it well with clean water Do not use the remote of the batteries have leaked Specification 2 Specification Model AMSA Nameplate marking System daa Refigeantyp g R4I0A 60g Moisture Removal 30 C RH80 L DAY 70 Dimension amp Weight System Details Compressor Model _ Typ Rotary Thermal protector B220 150 141C Capacitor _ 450 FanMotor InnrMoto Outer Motor Mod JJ 7IL GAL Capadtor _ OE 35 Rpm Evaporator Numbrofrows _ 3 Tube pitch a x row pitch b Fintype code _ Hydrophlicalumnum tude outside dimension type 7innergroovetube Numberofcircuits 2 Condenser Numbrofrows 4 O Tube pitch a x row pitch b FPI Fintppe code Numberofciruits 2 O The test condition 1s 35 C db 24 C wb W Out dimension Out dimension 3 ore Display 4 Display 41 LED display LED DISPLAY PANEL MODELS 3 5 4 TEMP 1 COOLING DEHUMIDITY HEATING SLEEP FUNC HI MID LOW
26. oling 10 5 1 1 In cooling mode set point temperature 17 30 C 60 90 F starting temperature is 25 C 77 F 10 5 1 2cooling mode compressor working condition 16 Electronic function A Under the condition of TI gt T 2 F compressor will be running B Under the condition of 1 2 F unit will be switched off compressor will be off too C Under the condition of TIXT 1 29 the compressor and internal motor system will be switching back to the original setting Note When compressor 15 off cooling operation light 15 splashing 0 5second per time When the compressor is running the operation light will be turned on 10 5 1 3 During the cooling mode the upper fan system can be set into auto high medium low and auto fan mode High Medium Low internal ambient temperature F set point temperature 2 3 4 6 10 5 1 4 Cooling mode lower fan system 1s working together with compressor 10 5 2 Dehumidification mode DH display 10 5 2 10 fan system is operated in low fan Lower fan is working together with the compressor 10 5 2 2 Dehumidification mode A Indoor temperaturex0 C compressor will be off B 0 C indoor temperaturex20 C compressor will be on for 15 min and stop for 3 min C indoor temperature 20 C compressor will be on for 30 min and stop for 3 min We only can check the indoor temperature after such operation finishes after every week Note When compressor 15
27. sconnect fan motor wires from fan speed switch or system switch 3 Apply live test cord probes on black wire and common terminal of capacitor Motor should run at high speed 23 Basic test procedure 4 Apply live test cord probes on red wire and common terminal of capacitor Motor should run at low speed 5 Apply live test cord probes on each of the remaining wires from the speed switch or system switch to test intermediate speeds 11 4 Capacitor A run capacitor 15 wired across the auxiliary and main winding of a single phase permanent split capacitor motor such as the compressor and fan motor single capacitor can be used for each motor or a dual rated capacitor can be used for both The capacitor s primary function is to reduce the line current while greatly improving the torque characteristics of a motor The capacitor also reduces the line current to the motor by improving the power factor of load Run capacitor hook up line side of the capacitor is marked with a red dot and is wired to the line side of the circuit 11 4 1 Capacitor test 1 Remove capacitor from unit 2 Check for visual damage such as bulges cracks or leaks 3 For dual rated apply an ohmmeter lead to common C terminal and the other probe to the compressor HERM terminal A satisfactory capacitor will cause a deflection on the pointer and then gradually move back to infinity 4 Reverse the leads of the probe and momentarily touch the c
28. se damaged Transformer 120V Checking fuse Transformer 12V Transformer replac damaged ement yes Replacing fuse 7805 13V input Damage in diode replac rate ement no Replacing fuse 78055V output 7805 damaged ement daagemd no Temperature sensor replac damaged ement Electrical wiring back to normal 29 PARTS GUIDE SINCLAIR AIR CONDITIONING Exploded view of model AMC 15A Part Code Note Price Code 1 PACKINGBOTTOMPSF 4102840 1 2 WHELTWP 29005 00XYH J 3 BASE 210238Y1 A 4 RUBBER STOPPER 31002501 5 COMP 44A293A FEKC 700167001 BM 6 PARTITION 21024tY1 A 7 FRONTPANEL 210574 0Y 1 H 2 J 8 UPPERCOVER FRONT COLDAIR 210575 0Y1H AG 9 OUTLET FOR COLDAIR 2105780Y4H 10 STRAINER 74000730XYY A 11 CAPILLARY 1 0x2 2xL500 7802030Y14 AR 12 CAPILLARY 1 0x2 2xL550_ 7802030Y37 A 13 DISCHARGE TUBE 78022 BY4 _ AG 14 CONDENSER 710156CY3 BL 15 SUCTION TUBE 78022307 16 EVAPORATOR 7101570Y4 BK 17 Horizontalblade 2105340Y3H ac 18 Join for horizontal blade 2105800Y3 H AC _19 LEFTSIDEPLATE 210227AY1H AH _20 COND FILTER 210533AY12H AH _21 EVA FILTER 210532AY12H AH _22 HOUSING BLOWER LEFT BOTTOM 4103
29. stop the dehumidification indication light 15 on 10 5 3Heating mode 10 5 3 1 Heating mode set point temperature range is 15 25 60 80 F starting temperature is 20C 68 F 10 5 3 2 Heating mode compressor working condition A Under the condition of T3 T1 gt 1 C 2 F compressor will be turned 17 Electronic function B Under the condition of 3 1 lt 1 2 F compressor will be turned off C Under the condition of T1 T3 1 C 2 F compressor will be operated under the original setting mode Note Under the condition of compressor off Heating light is splashing 0 5second time compressor will be running and heating indication light will be turned on 10 5 4 Heating mode upper fan system is operated in high speed without setting Lower fan system is working together with compressor 10 6 Timer Setting 10 6 1 Tiner setting can be set 1 24 hours 10 6 2 During the unit operation you can set numbers of hours The unit will be auto switch off While the unit will be auto switch on 1f the unit 15 set in auto mode 10 7 Sleep 10 7 1 To set the sleep mode under the cooling setting To increase this setting press the UP button and for each press the temperature will be increased by 1 continually the temperature will be rise up to 2 after the 2 hours operation Apart from this the temperature will not be rise up anymore 10 7 2 To set the sleep mode under the heating setting To increase this setting
30. uired temperature After the set number of hours has expired the unit shuts down automatically If you press the POWER ston before the time has expired the unit shuts down 8 SLEEP 3 This function is ideal for the night as it gradually reduces operation of the appliance The sleep function maintains the room at optimum temperature and with silent operation When you use the sleep function first set the timer as described in the functions Delayed start and delayed shutdown Press the TIMER button until the required hours appear on the display After the hour display the display switches automatically to the previous set temperature display To change the temperature press the TEMP or TEMP buttons With each press on the button the temperature increases or decreases by 1 C Refrigerant cycle diagram 5 Refrigerant cycle diagram The figure below 15 a brief description of the important components and their function in what is called the refrigeration system ROOM AIR CONDITIONER CYCLE OF REFRIGERATION EVAPORATOR mE CONDENSER COMPLETE LIQUID BOIL SUCTION LINE OFF POINT COOLED HOT DISCHARGE AIR A A AIR ROOM AIR HEAT LOAD gt e ESA de EM LIQUID OUTLET n HIGH PRESSURE VAPOR CAPILLARY LiGUID REFRIGERANT PCB drawing Wiring diagram 6 PCB drawing wiring diagram The below picture 15 PCB schematic 800161 0Y 4 5
31. vaporating temperature appropriate 1f the evaporator 15 frosted Replace if blocked Repair joint if leaking The inlet and outlet valve of the compressor is damaged making the low pressure connected with the high pressure The refrigerating system can not produce high pressure and low pressure Replace the compressor after checking for the reason Reduce if too many Check the voltage Call an electrician if no within the limit Check the terminals Repair and correct if loose Check and adjust the temperature setting Check and adjust the mode setting Check and replace if the compressor the over load protector or wiring is broken Check and replace if the heater is damaged Check and replace if the fuse is damaged Check the voltage of main PCB Replace the main PCB when the unit failure in heating mode The input power supply voltage 15 too low Call an electrician if not within limits Check and replace the main PCB 1f the compressor relay on PCB is shorted or damaged When the room temperature is too high the compressor will protect Air discharge pipe Unit undersized Condenser and Evaporator Circulation in condensing Fan motor Cooling or heating feels not good Air flow Less refrigerant Capillary tube Compressor Heat sources No power Wiring Temperature setting Mode setting No cooling or eden Compressor g Electric heater failure Over heat fuse failure Main PCB Power supply The unit st
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