MSG-12CRN1
Contents
1. Remote Control Features 1 TEMP Button V Decreases the indoor temperature setting 2 TEMP Button Increases the indoor temperature set ting 3 MODE Selection Button Each time the button is pressed the operation modeis shifted in the direction of the arrow AUTO gt COOL 3 DRY 3 HEAT gt FAN 4 SWING Buiton Changes the louver angle 5 RESET Button The recessed RESET button cancels all current settings and returns the control to the initial settings 6 AIR DIRECTION Button Pressing and releasing this button quickly changes the direction of the horizontal swing louvers Pressing this button for more than 2 seconds activates the Auto Swing feature where the 12 horizontal swing louvers move back and forth continu ously until the button is pressed again This function is not available on all units 7 LEDDISPLAY Button Pressing this button willclear the digital display A second press will illuminate the display This function not available on units without LED display window 8 FAN SPEED Button This button changes the FAN SPEED in four steps AUTO LOW MED or HIGH Each time the button is pressed the fan speed mode is shifted 9 ON OFF Button Turns the unit off and on 10 TIMER ON Button Initiates the auto on time sequence With each press the auto timed setting will be increased in 30 second increments When th2. Capacity Btu h Input watts Rated current RLA amps Locked rotor LRA amps Thermal protector Capacitor uF Refrigerant oil oz ml Indoor Fan Motor Model Brand Input watts PA108X1C 3FZDU 13 000 1 050 5 Rotary Toshiba 10 850 1 100 1 070 1 075 5 2 4 8 21 23 5 B185 135 141E 35yf 450 VAC 12 oz 350 ml WZDK25 38D Welling 32 13 000 1 050 PA108X1C 3FZDU Rotary Toshiba 10 850 1 100 1 070 1 075 5 2 4 8 21 23 5 185 135 141 35 450 VAC 12 02 350 WZDK25 38D Welling 32 Capacitor uF 1 270 1 100 1 000 1 270 1 100 1 000 Indoor air flow CFM High Med Low 441 365 325 441 365 325 Indoor air flow High Med Low m3 h 750 620 550 750 620 550 Indoor noise level dB A High Med Low 45 41 38 45 41 38 Outdoor Fan Motor Model YDK36 6B YDK36 6B Brand Welling Welling Input watts 85 85 Capacitor uF 2 5uF 450V 2 5uF 450V Speed RPM Minute 930 930 Refrigerant Piping Liquid side gas side Inches mm 1 4 1 2 06 35 012 7 1 4 1 2 6 35 012 7 Max refrigerant pipe length feet m 33 10m 33 10m Max difference in level feet m 16 5m 16 5m 63 F 86 17 C 30 63 F 86 17 C 30 Ambient temp F C 19 F 113 7 C 45 C 19 F 113 F 7 45 C Approximate Application area Sq ft m 194 280 18 26 194 280 18 26 NOTE The noise data
3. DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH MSG 12HRN1 INDOOR UNIT OUTDOORUNIT Ji Or DIAGRAM INDOOR UNIT SWITCH BOARD PIPE TEMPERATURE SENSOR ROOM TEMPERATURE SENSOR WIRING DIAGRAM OUTDOOR UNIT gt TO INDOOR UNIT POWER SUPPLY EN PART NAME COMPRESSOR COMPRESSOR CAPACITOR OUTDOOR FAN OUTDOOR FAN CAPACITOR 7 TERMINAL 011 CURRENT INDUCTOR RELAY COMPRESSOR RELAY VALVE REVERSING VALVE FS1 FS2 FUSE 28 WIRING DIAGRAMS HIGH VOLTAGE WARNING DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT MULTIPLE POWER SOURCES MAY BE PRESENT FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH MSG 18CRN1 MSG 24CRN1 Indoor unit WIRING DIAGRAM INDOOR UNIT a 2 2 1 F f 1 Lt n UNO n 7 1 0 ou i E Jg 4 4 TO OUTDOOR Outdoor unit me Mu 20 WIRING DIAGRAM 8 OUTDOOR UNI RED BLACK Ta S PER i m Cte faer foes cae roe e LE pwmoo moerore TERMINAL UNITI RED Dr AC CONTACTR FUSE 3 154 2501 BLACK VV XH LOT uRRENT 22 E ve
4. L N 20 C9 OT CNS RD 0411 0411 SOCKETS TO INDOOR UNIT POWER UPPLY WIRING DIAGRAMS MSG 18HRN1 Indoor unit HIGH VOLTAGE DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT MULTIPLE POWER SOURCES MAY BE PRESENT FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH MSG 24HRN1 WIRING DIAGRAM INDOOR UNIT 30 IT UNIT 3 p ZZ L LP5 ei 4 1 2 12 d T FAINAL zi z E pa 097 TO OUTDOOR Outdoor unit f IN VALVE mel M WIRING DIAGRAM 2 WHITE RD OUTDOOR UNI T CAP 1 2 COMP v TRANSI NET d R lt gt LODE PART NAME oe BLUE OUTDOOR CONTROL PCB vx XP1 1 BLAK 2 J sd PECES m Ak cow COMPRESSOR 2 COMPRESSOR CAP AC ITOR m Tom OUTDOOR FAN BLICK BLACK CAP2 QUDOOR FAN TOR _ wwe BLACK XTi f 5 TERM NAL peg 1 gt xr2 TERMINAL Eus WH ITE VALVE REVERSING ALVE alee admi sa mi 1 51 coNECTORS ms Z ve Pi TEMPERATURE SENSOR RD N
5. Resistance Temp Temp Resistance Temp Temp Resistance KQ KQ F C 7 I sa 7 52 2 9 2 2 a m gt 2 3 gt 6 2 7 o 2 1 2 4 1 3 1 9 _ as 9 s 2 5 es ae o o 9 14 15 EMI 5 5 5 gt IN NINN ENAN NAN A e a a e a o aA s wo a so 154 75 26 WIRING DIAGRAMS MSG 12CRN1 INDOORUNIT T OUTDOOR UNIT DISPLAY BOARD HIGH VOLTAGE DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT MULTIPLE POWER SOURCES MAY BE PRESENT FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH INDOOR UNIT SNITCH BOARD PIPE TENPERATURE SENSOR ROOM TEMPERATURE SENSOR WIRING DIAGRAM BRON WIRING DIAGRAM 7 OUTDOOR UNIT gt TO INDOOR UNIT T3 15A 250VAC POWER SUPPLY PART NAME COMPRESSOR COMPRESSOR CAPACITOR OUTDOOR FAN OUTDOOR FAN CAPACITOR 7 WAY TERMINAL CURRENT INDUCTOR RELAY COMPRESSOR RELAY 27 WIRING DIAGRAMS HIGH VOLTAGE WARNING DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT MULTIPLE POWER SOURCES MAY BE PRESENT FAILURE TO
6. S3uF 450V 840 Speed RPM Minute 840 Design pressure PSI MPa Refrigerant Piping Liquid side gas side Inches mm 1 4 1 2 6 35 012 7 1 4 1 2 6 35 012 7 Max refrigerant pipe length feet m 33 10m 33 10m Max difference in level feet m 16 5m 16 5m 63 F 86 17 C 30 C 63 86 17 C 30 C 64 113 18 45 C 19 F 113 7 C 45 C NOTE The noise data is based on hemi anechoic chamber during actual operation Because of ambient conditions these values may be somewhat different than shown Specifications are subject to change without prior notice SPECIFICATIONS MSG 24 MSG 24CRN1 MSG 24HRN1 Power Supply Ph V Hz 1 208 230V 60Hz 1 208 230V 60Hz Cooling Capacity Btu H Input watts Rated current amps SEER Btu w h Heating Capacity Btu h Input watts Rated Current amps HSPF W W 24 000 2 000 8 8 7 7 4 Starting Current amps Compressor Model Type Brand Capacity Btu h Input watts Rated current RLA amps Locked rotor LRA amps Thermal protector Capacitor uF Refrigerant oil oz ml Indoor Fan Motor Model Brand Input watts Capacitor uF Speed RPM minute High Med Low PA200X2CS 3MKUU Rotary Toshiba 19820 20130 5 2000 1980 5 9 70 8 75 5 34 8 UP3SE0396 T39 50uf 450V 25 oz 750 ml YDK50 4B Welling 82 69 58 3 1 260 1 100 990 PA200X2CS 3MKUU Rotary Toshiba 19820
7. Y Liquid side Gas side pm eese 2 way valve E i d pw zm Outdoor unit CYLINDER AND SCALE l d WARNING Refrigerants are heavier than air They can push out the oxygen in your lungs or in any enclosed space To avoid possible difficulty in breathing or death Never purge refrigerant into an enclosed room or space By law all refrigerants must be reclaimed If an indoor leak is suspected thoroughly ventilate the area before beginning work Liquid refrigerant can be very cold To avoid possible frostbite or blindness avoid contact with refrigerant and wear gloves and goggles If liquid refrigerant does contact your skin or eyes seek medical help immediately Always follow EPA regulations Never burn refrig erant as poisonous gas will be produced Connect the manifold gauge set center hose to the charging cylinder This hose was disconnected from the vacuum pump Purge the air from the air hose Open the valve of the refrigerant cylinder and crack open the center manifold gauge hose connection at the mani fold gauge set to purge the air Follow safety procedures above on handling liquid refrigerants Open the valve low side onthe manifold gauge setand charge the system with R 410A vapor only 16 4 Disconnect the charge hose from the 3 way valve s service port Use quick
8. is equipped with one smoke or unusual noises emit from the unit immediately turn off the unit and disconnect ALL power See warning above Do not allow water to enter the unit In the instance that the unit is soaked or submerged contact an authorized servicer When the unit is not used for a long period of time disconnect ALL power to the unit Place the outdoor unit in a location away from high traffic areas to prevent tripping or damage to the unit Do not place objects on the unit tion or repair of the product Drain hose must be installed properly so water will drain away from the unit Installing the unit in an unlevel position may cause vibration or water leakage Install the outdoor unit away from vegetation as the hot air may cause damage to vegetation in close proximity Toavoid personal injury always use two people to lift or transport the unit Unitshould notbe installed where it may be exposed directly to sea coast conditions sea wind or salt spray Operation 1 Do not block the inlet or outlet of airflow 2 Donotuse harsh detergents solvents etc to clean the unit A soft cloth is recommended 3 Usecaution when removingthe air filter asthere may be sharp metal edges 4 Cleanthe filter every two weeks or more often if neces sary and be sure to seat the filter securely 5 Keep hands andforeign objects away from the air outlets while the unit is in operat
9. is in operation TIMER Indicator The indicator illuminates then TIMER is set ON PRE DEF Indicator For cooling amp heating mode only for cooling only it s FAN ONLY The air conditioner begins defrosting automatically if the outdoor unit frosts in heating operation At this time PRE DEF indicator illuminates For cooling only when the unit operates in FAN ONLY mode the FAN ONLY indicator illuminates AUTO Indicator This indicator will flash when the air conditioner is in AUTO operation 12K Models Operation Timer me Indoorfanspeedisabnormalforover minute x Indoor room temperature or evaporator sensor is Overcurrent protection of the compressor occurs 4times ComolBomdemr O O own lluminates simultaneously open circuit short circuit X Off Flashing 18K amp 24K Models Operation Timer Defrosting Auto Lamp Lamp Lamp ame Overcurrent protection of the compressor occurs 4times ox open circuit or short circuit open circuit or short circuit Temperature sensor on outdoor condenser is open circuit or short circuit without for cooling only models Outdoor unit protects outdoor temperature sensor phase order etc Control Board error Indoor unit communication error 2 St x Off Flashing HIGH VOLTAGE WARNING DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT
10. liquid refrigerant Never add anything other than R 22 to an R 22 cylinder or R 410A to an R 410A cylinder The service equipment used must be listed or certified for the type of refrigerant used Store cylinders in a cool dry place Never use a cylinder as a platform or a roller AA WARNING To avoid possible explosion use only returnable not disposable service cylinders when removing refrig erant from a system Ensure the cylinder is free of damage which could lead to a leak or explosion Ensure the hydrostatic test date does not exceed 5 years Ensure the pressure rating meets or exceeds 400 Ibs When in doubt do not use cylinder In either of these instances an electrical short between the terminal and the compressor housing may result in the loss of integrity between the terminal and its dielectric embed ment This loss may cause the terminals to be expelled thereby venting the vaporous and liquid contents of the compressor housing and system Aventing compressor terminal normally presents no danger to anyone providing the terminal protective cover is properly in place If however the terminal protective cover is not properly in place a venting terminal may discharge a combination of a hotlubricating oil and refrigerant b flammable mixture if system is contaminated with air in a stream of spray which may be dangerous to anyone in the vicinity Death or seri
11. 20130 596 2000 1980 5 9 70 8 75 5 34 8 UP3SE0396 T39 50uf 450V 25 oz 750 ml YDK50 4B Welling 82 69 58 3 1 260 1 100 990 Indoor air flow CFM High Med Low 677 600 581 677 600 581 Indoor air flow High Med Low m3 h 1150 1020 930 1150 1020 930 Indoor noise level dB A High Med Low 47 44 42 47 44 42 Outdoor Fan Motor Model Brand Input watts Capacitor uF Speed RPM Minute YDK100 6EB Welling 160 4yf 450V 740 YDK100 6EB Welling 160 4uf 450V 740 Design pressure PSI MPa Refrigerant Piping Liquid side gas side Inches mm Max refrigerant pipe length feet m Max difference in level feet m Approximate Application area Sq ft m 431 603 40 56 3 8 5 8 9 53 16 33 10m 16 5m 63 F 86 F 17 30 C 64 113 18 45 C 653 4 5 653 4 5 3 8 5 8 9 53 016 33 10m 16 5m 63 F 86 17 C 30 C 19 F 113 7 45 C 431 603 40 56 NOTE The noise data is based on hemi anechoic chamber during actual operation Because of ambient conditions these values may be somewhat different than shown Specifications are subject to change without prior notice 10 SYSTEM OPERATION REFRIGERANT CYCLE Cooling only CAPILLARY TUBE HEAT EXCHANGE CONDENSER HEAT EXCHANGE EVAPORATOR COMPRESSOR Heat pump mode INDOOR UNIT OUTDOOR UNI
12. DUCTS TOLL FREE 1 877 254 4729 U S only email us at customerservice goodmanmfg com fax us at 713 856 1821 Not a technical assistance line for dealers Outside the U S call 1 713 861 2500 Not a technical assistance Outside the U S call 1 931 433 6101 Not a technical assistance line for dealers Your telephone company will bill you for the call line for dealers Your telephone company will bill you for the call 2 IMPORTANT INFORMATION SAFE REFRIGERANT HANDLING While these items will not cover every conceivable situation they should serve as a useful guide d WARNING Refrigerants are heavier than air They can push out the oxygen in your lungs or in any enclosed space To avoid possible difficulty in breathing or death Never purge refrigerant into an enclosed room or space By law all refrigerants must be reclaimed If an indoor leak is suspected thoroughly ventilate the area before beginning work Liquid refrigerant can be very cold To avoid possible frostbite or blindness avoid contact with refrigerant and wear gloves and goggles If liquid refrigerant does contact your skin or eyes seek medical help immediately Always follow EPA regulations Never burn refrig erant as poisonous gas will be produced AA WARNING HIGH VOLTAGE Disconnect ALL power before servicing or installing this unit Multiple power sources may be present Failure to do so may cause property d
13. E SAFETY SYMBOLS WORDS AND LABELS d WARNING This unit should not be connected to or used in conjunction with any devices that are not design certified for use with this unit or have not been tested and approved by Goodman Serious property damage or personal injury reduced unit performance and or hazardous conditions may result from the use of devices that have not been approved or certified by Goodman WARNING Installation and repair of this unit should be performed ONLY by individuals meeting the requirements of an Entry Level Technician as specified by the Air Conditioning and Refrigeration Institute ARI Attempting to install or repair this unit without such background may result in product damage personal injury or death WARNING To prevent the risk of property damage personal injury or death do not store combustible materials or use gasoline or other flammable liquids or vapors in the vicinity of this appliance Ay WARNING Goodman will not be responsible for any injury or property damage arising from improper service or service procedures If you perform service on your own product you assume responsibility for any personal injury or property damage which may result To locate an authorized servicer please consult your telephone book or the dealer from whom you purchased this product For further assistance please contact CONSUMER INFORMATION LINE GOODMAN BRAND PRO
14. Leno Jac contact g e 22 for CURENT TRANSI TRANSFORMER TO INDOOR UNIT POWER S UPPLY ON 1 ON Tig SOCKETS
15. MULTIPLE POWER SOURCES MAY BE PRESENT FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH 20 TROUBLESHOOTING Diagnostic Chart tor 12k Models If after energizing the unit no indicator is lit and the unit cannot be operated see the following chart Be sure all the wires including power wires and connection wires No are OK Yes Install good ones Check for AC 208 230V power supply outputs to outdoor control board Yes Check if AC 208 230V exists at primary coil of transformer 18K amp 24K models only Outdoor control board is Defective Yes Check if AC 12V and AC 35V 5 exist at secondary coil of transformer in the outdoor control board Take off the secondary plug of transformer and then check if AC Vas 12V and AC 35V 4594 exist at secondary coil of transformer Outdoor Yes No control board is Defective Transformer is defective Check if DC 35V exists between 2 amp the indoor terminal and DC 12V between 3 amp 4 Yes No Check if DC 35V exists Indoor at CN6 and 12V control board at CN3 is Defective Yes Uncertain problem on Indoor control board Change it amp check again 21 TROUBLESHOOTING Diagnostic Chart tor 18k amp 24k Models If after energizing the unit no indicator is lit and the unit cannot be operated see the following chart Be sure all the wires including power wires and connecti
16. Service Instructions Split System Wall Mounted Air Conditioners and Heat Pumps with R 410A Refrigerant This manual is to be used by qualified professionally trained HVAC technicians only Goodman does not assume any responsibility for property damage or personal injury due to improper service procedures or services performed by an unqualified person Goodman Manufacturing Company L P 5151 San Felipe Suite 500 Houston TX 77056 RS6100005 www goodmanmfg com October 2007 Copyright 2007 Goodman Manufacturing Company L P TABLE OF CONTENTS IMPORTANT INFORMATION 2 3 REMOTE CONTROL 12 18 PRODUCT FEATURES tette 4 SERVICE 14 19 PRODUCT DESIGN i oae gratas 6 7 TROUBLESHOOTING icit 20 26 SPECIFICATIONS 8 10 WIRING DIAGRAMS 27 30 SYSTEM OPERATION 11 IMPORTANT INFORMATION Pride and workmanship go into every product to provide our customers with quality products Itis possible however that during its lifetime a product may require service Products should be serviced only by a qualified service technician whois familiar with the safety procedures required in the repair and who is equipped with the proper tools parts testing instruments and the appropriate service manual REVIEW ALL SERVICE INFORMATION IN THE APPROPRIATE SERVICE MANUAL BEFORE BEGINNING REPAIRS IMPORTANT NOTICES FOR CONSUMERS AND SERVICERS RECOGNIZ
17. T CHECK VALVE LIQUID SIDE Heating Model only CAPILLARY TUBE HEAT EXCHANGE INDOOR COIL EXCHANGE REVERSING VALVE Heating Model Only COOLING HEATING OPERATION LIMITS Cooling operation All units may operate in the cooling mode up to a maximum outdoor ambient temperature of 111 F 44 C and down to a minimum outdoor ambient temperature of 66 F 19 C The indoor side may be operated in the cooling mode with indoor ambient temperature between 52 F and 88 F 11 and 31 Heating operation Heat pump units may operate in the heating mode up to a maximum outdoor ambient temperature of 77 F 25 C and down to a minimum outdoor ambient temperature of 16 F 9 C The indoor side may be operated in the heating mode with indoor ambient temperature between 59 F and 86 F 15 C and 30 C 11 REMOTE CONTROL OPERATION OF THE REMOTE CONTROL Performance Features 1 Operating modes AUTO COOL DRY HEAT heat pump only model and FAN 2 Timer Setting Functions 24 hours 3 Indoor temperature setting range 62 F 88 F 17 C 31 C 4 Full function LCD display SET TEMPERATURE F AUTO FAN COOL HIGH DRY MED HEAT Low MODE ON OFF FAN SPEED G a SWING SLEEP TIMER ON O ROH TIMER OFF RESET LOCK DIRECTION TED E DISPLAY TURBO 8 O O 3 LL Ce
18. Y Indicar 5 REMOTE CONTROL 1 DIGITAL DISPLAY Area This area will show the set temperature if in the TIMER mode will show the and OFF settings of the TIMER If in the FAN mode nothing will be visible on the display 2 TRANSMISSION Indicator When the remote control transmits signals to the indoor unit this indicator will flash one time 3 ON OFF Indicator This symbol appears when the unit is turned on by the remote control and disappears when the unit is turned off 4 OPERATION MODE Indicator To show the current operating mode AUTO COOL DRY or HEAT heat pump only model or FAN mode 5 LOCK Indicator LOCK display is accomplished by pushing this button Push the LOCK button again to unlock 6 TIMER DISPLAY Indicator Shows the settings of the TIMER If only the starting time ofthe operationis set the indicator will display TIMER ON TIMER OFF is visible ifthe time is setfor the unitto turn off If both operations are set TIMER ON OFF will be visible and the unit will automatically turn ON and turn OFF 7 FAN SPEED Indicator Press the FAN SPEED button to select the desired fan speed setting AUTO LOW MED HIGH Your selection will be display in the LCD window Auto fan speed is not displayed NOTE For purposes of demonstration only all settings are shown on the Display Panel figure During actual operation only the relevant functional displays ar
19. amage personal injury or death WARNING To avoid possible injury explosion or death practice safe handling of refrigerants WARNING System contaminants improper service procedure and or physical abuse affecting hermetic compressor electrical terminals may cause dangerous system venting The successful development of hermetically sealed refrigera tion compressors has completely sealed the compressor s moving parts and electric motor inside a common housing minimizing refrigerant leaks and the hazards sometimes associated with moving belts pulleys or couplings Fundamental to the design of hermetic compressors is a method whereby electrical current is transmitted to the compressor motor through terminal conductors which pass through the compressor housing wall These terminals are sealed in adielectric material which insulates them from the housing and maintains the pressure tight integrity of the hermetic compressor The terminals and their dielectric embedmentare strongly constructed but are vulnerable to careless compressor installation or maintenance proce dures and equally vulnerable to internal electrical short circuits caused by excessive system contaminants AA WARNING To avoid possible explosion Never apply flame or steam to a refrigerant cylinder If you must heat a cylinder for faster charging partially immerse it in warm water Never fill a cylinder more than 80 full of
20. disconnect hoses to ensure refrigerant is not lost during disconnect process 5 Replace caps to the valve stems and service port Using a torque wrench tighten the service port cap to a torque of 13 16 per foot Check for gas leaks WARNING REFRIGERANT UNDER PRESSURE Failure to follow proper procedures may cause property damage personal injury or death SERVICE Electronic Control FUNCTION 1 Remotereceiving 6 2 Testing andforced running 7 3 Position set for indoor unit wind vane 8 4 LED displaying and alarm 5 ONor OFF timer 9 Protection for the compressor Current protection High temperature protection of indoor heat exchanger in heating mode Auto defrosting and heating recovery in heating mode 10 Anti cold air in heating mode ELECTRONIC CONTROL 208VAC 230VAC 175VAC 253VAC Input Power Frequency 60 Hz 50 Hz Ambient Temperature F 11 F 111 F Cooling amp Heating units C 12 C 44 C Cooling amp Heating units F 66 F 111 F Cooling only units C 19 C 44 C Cooling only units 4 Way valve normal working amps Compressor Single phase Working amp less than 15A 17 SERVICE Protection Features The following features protect the reliability and life of the unit and compressor 1 3 minute delay for restarting the compressor 2 Opencircuit sensor protection 3 Fanspeed sensor if indoor fan speed is too low or too high the un
21. e shown on the panel Operating the Remote Control Installing and Replacing Batteries The Remote Control requires two 2 AAA alkaline dry batteries 1 Slide the back cover of the battery compartment and install the batteries according to the direction and as shown 2 Toreplace old batteries use the same procedure as in Step 1 above NOTE 1 Do not use old or a different type battery in the Remote Control as this may cause the control to malfunction 2 Remove the batteries if you do notuse the remote control for extended periods since battery leakage may damage the remote control If batteries show signs of leakage be careful not to get the liquid on your skin or clothes In that event wash well with clean water Do not use the remote control if the batteries have leaked into it Dispose of batteries properly 3 average battery life under normal use conditions is approximately 6 months 4 Replace the batteries if there is no answering beep from the indoor unit or the Transmission Indicator light fails to light Automatic Operation Turnthe power ON The OPERATION indication lamp on the display panel of the indoor unit will flash 6 times and then automatically turn itself off 1 Use the MODE button to select AUTO 2 Pushthe TEMP button to set the desired room tempera ture The most comfortable settings are between 70 F and 82 F 21 C 28 C 3 Pushthe ON OFF button to start the a
22. e indoor coil reaches apredetermined temperature Automatic Changeover Mode Operation lf the room temperature is about 1 8 F 1 0 C below the set point then the unit will turn on in the heating mode Ifthe room temperature is about 1 8 3 6 F 1 0 2 0 C above the set point then the unit will turn on in the cooling mode Ifthe room temperature is close to set point then unit will run in the fan only mode Once the unitcomes on in one mode of operation it will not turn to the other mode of operation for at least 15 minutes The motion of the directional louvers should be set appropriately for the operational mode the direction of the louvers do not change automatically with the change in operation mode SERVICE Forced Cooling Operation Continuous cooling operation can be forced by selecting the FORCED COOLING button or switch The unit will operate for 30 minutes continuously in the cooling mode regardless of the indoor temperature After 30 minutes the set point becomes 75 F 24 C andthe unit operates in the Dehumidi fying Mode Note that all protections from the Cooling Mode and Dehumidifying Mode apply Forced Automatic Operation Forced automatic operation can be forced by selecting the FORCED AUTO button or switch The temperature set point will be 75 F 24 Operation can be changed from Remote Mode to Forced Auto to Forced Cooling then back to Remote Mode by button selection on the re
23. e setting time displays 10 00 each press will increase the auto timed setting in 60 minute increments To cancel the auto timed pro gram adjust the auto on time to 0 00 11 SLEEP Button Pressthis buttonto activate the Energy Saving operation mode Pressing it again will cancelthis mode This function can only be used on COOL HEAT and AUTO modes and will automatically maintain the most comfortable temperature for you NOTE Pressing any button when the unit is in SLEEP mode will cancel this setting 12 TIMER OFF Button This button initiates the auto off time sequence With each press the auto timed setting will be increased in 30 second increments When the setting time displays 10 00 each press will increase the auto timed setting in 60 minute increments To cancel the auto timed program adjust the auto off time to 0 00 13 LOCK Button The recessed LOCK button locks in all the current settings and the remote control does not accept any operation except the LOCK To cancel the LOCK mode press the button again 14 TURBO Button When this button is pushed during COOL mode the air conditioner turns on high speedfan To cancel TURBO function press the TURBO button again Not available for all models Display Panel Features Display Panel Costes 20 2 Cece FEL IJ Qe gt He gt db TIMER ON OFF A DISPLA
24. efrigerant Pipe Size Max Capacity Provided Length Per foot Vapor Liquid with Unit Elevation Overall of Additional Line BTUH h Inches m Inches m Feet m B Feet m A Feet m Oz g m 5 8 912 7 1 4 96 35 32 10 o 5 8 912 7 3 8 99 52 32 10 Indoor unit Outdoor unit In case that more than 5m 16 Feet Outdoor unit CAUTION Capacity is based on standard length and maximum allowance length is based on reliability Oil trap should be installed every 16 4 feet 22 07 feet 5 7 meters 14 SERVICE Evacuation indoor uni Liquid side Outdoor unit p valve REFRIGERANT UNDER PRESSURE Failure to follow proper procedures may cause Closethe valve low side onthe charge set Turnoffthe roperty damage personal injury or death vacuum pump and make sure the micron gauge does not propery oe En go above 1 000 microns in approximately 5 minutes after turning offthe vacuum pump 1 Connect the vacuum pump to the gauge manifold s center hose Connect low pressure gauge hose to gas 4 Disconnectthe charge hose from the vacuum pump side of outside unit Open low side manifold gauge valve If the vacuum pump oil becomes dirty or depleted only replenish as needed 2 Evacuate for approximately one hour to 500 microns 15 SERVICE Gas Charging Ny Check valve CHARGING Indoor unit
25. ion PRODUCT FEATURES Indoor unit gt gt 10 11 12 13 14 15 16 Auto restart 18 19 20 17 ON OFF operation by remote control Room temperature sensing Room temperature control Starting temperature control 5 second delay of indoor fan at start Time delay safety control Approximate restart time 3 minutes Indoor fan speed control High medium low amp breeze Operation indication lamps LED display for each mode 2 direction air vane Louver direction is decided by unit according to operation mode Sleep mode auto control Fan is on low speed cooling heating and will turn off after 7 hours Independent dehumidification Used primarily for high humidity conditions damp areas Self diagnosing function Functions in any operational mode Air flow directional control Louver can be manually set at desired position or set to automatically swing up or down Auto mode Unit automatically adjusts to room tempera ture Anti cold function Prevents the cold air burst at the beginning of the unit start up Temperature compensation Defrost mode Flexible wiring connection Easy clean panel Turbo 12k models In cooling mode the unit will reach the pre set temperature in the shortest time Outdoor unit 1 Power relay control The unit has a 3 minute delay between continuously ON OFF operations Low noise airflow system Birdtail propellerfan ma
26. ir conditioner The OPERATION lamp on the display panel of the indoor unit will light The FAN SPEED will automatically be set so there willbe no fan speed indicators shown onthe display panel 4 Pushthe ON OFF button again to stop the unit s opera tion NOTE 1 In the AUTO mode the air conditioner will logically choose the mode of COOL FAN or HEAT by sensing the difference between the actual ambient room temperature and the set temperature on the remote control 2 Manual selection can be made if the AUTO mode does not maintain acomfortable temperature COOL HEAT heat pump only model and FAN Operation 1 Manually override the AUTO mode by using COOL HEAT or FAN modes if the AUTO mode does not maintain acomfortable temperature 2 Pushthe TEMP button to set the desired room tempera ture When in COOLING mode the most comfortable settings are 70 F 21 C or above When in HEATING mode the most comfortable settings are 82 F 28 C or below 3 Toselect the FAN mode of AUTO HIGH MED or LOW press the FAN SPEED button 4 Pressthe ON OFF button The operation lamp lights and the air conditioner starts to operate at your desired setting Press the ON OFF button again to stop the unit s operation 13 SERVICE Torque Wrench Requirements for installation Cable Connection The power cord or cable connection should be selected according to this specification table Line Set Length Additional R
27. is based on hemi anechoic chamber during actual operation Because of ambient conditions these values may be somewhat different than shown Specifications are subject to change without prior notice SPECIFICATIONS MSG 18 MSG i8CRNi MSG 8HRNi Power Supply Ph V Hz 1 208 230V 60Hz 1 208 230V 60Hz Cooling Capacity Btu H Input watts Rated current amps SEER Btu w h Heating Capacity Btu h Input watts Rated Current amps HSPF W W Max Current amps Starting Current amps Compressor Model Type Brand Capacity Btu h Input watts Rated current RLA amps Locked rotor LRA amps Thermal protector Capacitor uF Refrigerant oil oz ml Indoor Fan Motor Model Brand Input watts Capacitor uF PA150X2CS 3KUU Rotary Toshiba 15 166 15 354 1 505 1 510 7 30 6 65 32 6 UP3RE0391 T39 40 uF 450 VAC 25 02 750 ml YDK31 6B Welling 55 3 PA150X2CS 3KUU Rotary Toshiba 15 166 15 354 1 505 1 510 7 30 6 65 32 6 UP3RE0391 T39 40 uF 450 VAC 25 oz 750 ml YDK31 6B Welling 55 3 1 070 1 000 960 1 070 1 000 960 Indoor air flow CFM High Med Low 618 541 489 618 541 489 Indoor air flow High Med Low m3 h 1050 920 830 1050 920 830 Indoor noise level dB A High Med Low 45 43 41 45 43 41 Outdoor Fan Motor Model Brand Input watts Capacitor uF YDK53 6KB Welling 165 S3uF 450V YDK53 6KB Welling 165
28. it will shut down 4 Startprotection ifthe compressor attempts to start four times within 5 minutes the unit will shut down and LCD displays the failure information 5 Overcurrent protection of the compressor Fan Only Operation Fan speed will cycle between HIGH MED LOW and AUTO when pressing the FAN SPEED button on the remote control Cooling Mode Operation For heat pump models the reversing valve is de energized in the cooling mode Upon acall for cooling indoor room temperature rises about 1 8 F 1 0 C more than set point the compressor outdoor fan and low speed indoor fan will turn on iftheindoortemperature is about 7 2 F 4 0 C more than set point medium speed indoor fan will turn on iftheindoortemperature is about9 0 F 5 0 C more than set point high speed indoor fan will turn on Ifthe indoor coil temperature drops too low the compressor and outdoor fan will turn off and the indoor fan will continue to rununtilthe indoor coil temperature risesto a predetermined temperature 5 minutes minimum For heat pump models if the outdoor coil temperature gets too high the compressor and outdoor fan will turn off until the outdoor coil temperature drops to a predetermined tempera ture 5 minutes minimum Dehumidifying Mode Operation For extra dehumidification the indoor fan will run on low speed Indoor coil temperature protection is provided the same as in the cooling mode Heati
29. kes the outdoor unit run more quietly Hydrophilic aluminum fin Applies to cooling amp heating modes only The fin improves the heating efficiency at operation mode Reversing Valve Operates only in the heating opera tion mode except defrosting operation Anti rust cabinet Crafted from electrolytic zinc steel sheet metal and anti rust coated components Valve protection cover Cover protects the valves and prevents water from dripping PRODUCT DESIGN DIMENSIONS INDOOR UNIT Model Indoor Unit Dimensions W XDxH Dimensions W x DxH Inches mm MSG 12CRNIN MSG 18CRNIN 906 x 235 x 286 1250 x 230 x 325 MSG 24CRNIN Dimensions in inches amp mm 1250 x 230 x 325 PRODUCT DESIGN DIMENSIONS OUTDOOR UNIT E Dimensions L1 L2 Model Outdoor Unit W x Dx H Inches Inches mm Inches mm MSG 12HRNIW 29 15 16 x 11 1 4 x 23 1 4 20 7 8 530 11 3 8 290 MSG 18HRN1W 33 1 4 x 13 3 16 x 27 3 8 22 560 13 3 16 335 MSG 24HRN1W Dimensions in inches mm MSG 12 SPECIFICATIONS MSGi2CRNi MSG 2HRNi Cooling Capacity Btu H Input watts Rated current amps SEER Btu w h Heating Capacity Btu h Input watts Rated Current W W Max Current amps Starting Current amps 21 23 5 21 23 5 Compressor Model Type Brand amps
30. mote Sleep Mode Operation Sleep mode function is available for cooling heating or automatic modes The set point temperature will rise when cooling or drop when heating about 1 8 F 1 0 C per hour for 2 hours then the air circulation of low speed indoor fan will turn on After 7 hours total then unit will turn off Auto Restart Function Inthe event of a sudden power failure the unitis programmed to return to the previous settings before the power failure Turbo Mode For 12K models only the indoor fan will operate in HIGH speed when the TURBO button on the remote is pressed The unit will return to normal speed when TURBO button is pressed again TURBO MODE will be cancelled if the operation mode is changed Forced Cooling mode is se lected or the unitis turned off NOTE SLEEP MODE is not available while in TURBO MODE Display Board OPERATION indicator flashes once every second after power is on and is turned on continuously when the air conditioner is in operation TIMER indicator turns on when the TIMER is set to ON If the outdoor unit starts defrosting PRE DEF indicator is turned on AUTO indicator is turned on when Automatic Mode is selected 18K amp 24K models only 19 TROUBLESHOOTING Display Board 18k and 24k MODELS OPERATON AUTO TIMER X PRE DEF Operation The indicator flashes once every second after the power is on and will be illuminated when the unit
31. ng Mode Operation For heat pump models the reversing valve is energized inthe heating mode except when defrosting Upon acall for heating indoor room temperature drops about 1 8 F 1 0 C more than set point 18 compressor and outdoor fan will turn on theindoorfan will delay on for short period then will ramp up to the selected fan speed to reduce cold blow Wheninthe heating mode the compressor will run for a minimum of 7 minutes If the indoor coil temperature rises too much the compres sor and fans will turn off Defrost Mode Operation Defrost will be initiated when 1 outdoor coil temperature stays less than 30 F 1 for more than 3 minutes or 2 outdoorcoil temperature is less than 32 F 0 C for 90 minutes of heating operation Defrost will be terminated when 1 outdoor coil temperature rises to 68 F 20 or more 2 defrosttime reaches 10 minutes During defrost the compressor and outdoor fan initially turn off then after 10 seconds the indoor fan turns off the reversing valve will shift then 5 seconds later the compres sor will turn back on Near the end of the defrost cycle the compressor will shut off for 25 seconds when the compres sor shuts off the outdoor fan will turn on then just before the compressor turns back on the reversing valve will shift back into the heating mode and the compressor will turn back on The indoor fan will turn back on when th
32. on wires are OK Yes Install good ones Check for AC 208 230V power supply outputs to outdoor control board Yes Check if AC 208 230V exists at primary coil of outdoor and indoor of transformer Outdoor or indoor Yes control board is Defective Check if AC 12V exists at secondary coil in the outdoor control board Take off the secondary plug of transformer and then check if AC Ves 12V exists at secondary coil ofoutdoor and indoor transformer Outdoor or indoor No control board is Defective Outdoor or indoor transformer is defective 22 TROUBLESHOOTING Resetting of Outdoor Control Board Occurs Often During Operation If the power is on and the unit automatically enters into reset mode the instantaneous voltage of the main chip is less than 4 5v Check according to the following procedure Resetting of outdoor control board often occurs during operation Yes After changing indoor control board check if the failure is repaired Yes No Indoor control board is defective After changing indoor fan motor check if the failure is repaired Yes Power supply circuit has problems Indoor Fan Speed Not Responding Properly 12k Models Only If the indoor fan speed has been unresponsive for over 1 minute Is connector connection good Yes Repair the connector Is voltage being applied to the fan motor Indoor Yes control boa
33. ous bodily injury could occur Under no circumstances is a hermetic compressor to be electrically energized and or operated without having the terminal protective cover properly in place IMPORTANT INFORMATION Please read and follow the important notes below AA WARNING HIGH VOLTAGE Disconnect ALL power before servicing or installing this unit Multiple power sources may be present Failure to do so may cause property damage personal injury or death CAUTION Hazards or unsafe practices may result in property damage product damage personal injury or death Always check for refrigerant leakage after installa Installation Always use the correct size circuit breaker and fuse Circuit breakers should be installed on a dedicated circuit Properly ground the unit Do NOT use extension cords Ensure that the unit is mounted on a stable instal lation stand Check periodically for signs of deterio ration Running the unitfor long periods of time during high humidity or with windows doors open may cause condensation on furnishings Thepower cable should not be stretched and noth ing should sit on it Always turn the unit off before plugging or unplugging the power cable Makesure proper ventilation of conditioned space is provided Protect unit before arrival of inclement weather Do not open the inlet grill during operation of the unit Donottouch the electrostatic filter if unit
34. rd is defective Fan motor is defective 23 TROUBLESHOOTING Temperature Sensor Error These sensor errors include the indoor room sensor the indoor evaporator sensor and the outdoor condenser temperature sensor Is connector connection good Repair the connector Replace the sensor Overcurrent Protection of the Compressor occurs 4 times Over current protection of compressor occurs 4 times After charging the main control board check if the failure is released Indoor control board is defective Is the voltage of power supply too low less than 187V Outdoor unit fault such as the compressor Power supply fault EEROM Error If you receive the EEROM error this indicates that the indoor control board is defective 24 TROUBLESHOOTING Outdoor Unit Fails to Operate Check if power supply is good X Power Supply failure Change outdoor control board and check if the error still exists Yes Outdoor control board failure Compressor failure Indoor Unit Communication Error Check to see if the signal wire is well connected No Connect the signal wire well or change the signal wire if it s the problem of the wires Change indoor control board and check if the error still exists No Indoor Yes control board failure Outdoor control board failure change outdoor control board 25 TROUBLESHOOTING Temperature Sensor Data
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