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Room Air Conditioners
AUTO
°F °C
AUTO
CONTINUOUS
AUTO
SYSTEM FAN MODE
SCHEDULE FAN SPEED
Standard Chassis R-410A Models
Cool Only
115-Volt: SS08M10, SS10M10, SS12M10, SS14M10
208-230-Volt:
SS12M30, SS15M30, SM18M30, SM21M30
SM24M30, SL28M30, SL36M30
Cool with Electric Heat
208-230-Volt: ES12M33, ES15M33, EM18M34, EM24M35, EL36M35
Heat Pump with Electric Heat
208-230-Volt: YS12M33, YM18M34, YL24M35
Heat Pump
115-Volt: YS10M10
Kuhl-ServMan (5-10)
Service Manual
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Table Of Contents Important Safety Information ..................................................................................................................................... 2-4 Introduction ................................................................................................................................................................... 5 Model and Serial Number Location .....................................................................................................
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IMPORTANT SAFETY INFORMATION The information contained in this manual is intended for use by a qualifi ed service technician who is familiar with the safety procedures required for installation and repair, and who is equipped with the proper tools and test instruments required to service this product. Installation or repairs made by unqualifi ed persons can result in subjecting the unqualifi ed person making such repairs as well as the persons being served by the equipm
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• Do not spray or pour water on the return air grille, discharge air grille, evaporator coil, control panel, and sleeve on the room side of the air conditioning unit while cleaning. • Electrical component malfunction caused by water could result in electric shock or other electrically unsafe conditions when the power is restored and the unit is turned on, even after the exterior is dry. • Never operate the A/C unit with wet hands. • Use air conditioner on a single dedicated circuit within th
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PROPERTY DAMAGE HAZARDS FIRE DAMAGE HAZARDS: • Read the Installation/Operation Manual for the air conditioning unit prior to operating. • Use air conditioner on a single dedicated circuit within the specifi ed amperage rating. • Connect to a properly grounded outlet only. • Do not remove ground prong of plug. • Do not cut or modify the power supply cord. • Do not use extension cords with the unit. • Be extremely careful when using acetylene torch and protect surrounding property. • Failure to fo
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INTRODUCTION This service manual is designed to be used in conjunction with the installation and operation manuals provided with each air conditioning system. This service manual was written to assist the professional RAC (Room Air Conditioner) service technician to quickly and accurately diagnose and repair malfunctions. This manual will deal with subjects in a general nature. Accumulator Outdoor Grille Compressor Discharge Air Fresh Air Vent Reversing Valve Evaporator Coil Condenser C
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UNIT IDENTIFICATION Model Number Code S S 08 M 1 0 A 8th Digit – Engineering Major change 1st Digit – Function S = Straight Cool, Value Series Y = Heat Pump E = Electric Heat 7th Digit – Options 0 = Straight Cool & Heat Pump Models 3 = 3 KW Heat Strip, Nominal 4 = 4 KW Heat Strip, Nominal 2nd Digit 5 = 5 KW Heat Strip, Nominal S = Small Chassis M = Medium Chassis L = Large Chassis 6th Digit – Voltage 1 = 115 Volts 3 = 230-208 Volts 3rd and 4th Digit - Approximate
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PERFORMANCE DATA EVAP. AIR TEMP. DEG. OPERATING R-410A BREAKER COOLING ELECTRICAL RATINGS F CONDENSER Discharge Suction Sub- PRESSURES REF. FUSE PERFORMANCE Super Heat Voltage Temp. TEMP DEG. F Temp Temp Cooling Amps Amps Locked Rotor Charge in 60 Hertz DATA* Discharge Air Suction Discharge Drop F. Cool Heat Amps OZ. Amps SS08M10-A 53 27 115 157 62 12 31 151 400 6.1 32.0 24.0 115 15 SS10M10-A 52 28 119 150 65 15 28 145 455 8.0 50.0 51.0 115 15 SS12M10-A 50 30 118 163 60 12 23 137 435 10.0 57.0
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Installation Information / Sleeve Dimensions Thru-the-wall Installation Depth Shell Depth to Window Width Finished Hole Minimum Minimum with Front Louvers Extension Extension Sleeve Height Width Into Room* Outside* Minimum** Maximum Height Width Max. Depth 15 15 15 3 3 3 3 S15 /16"25 /16"29" 8 ¾" 5 ¾” 16 /16”27 /8"42" 16 /16” 26 /16” 7 /8" 15 15 15 3 3 3 3 M17 /16"25 /16"29" 16 /16”27 /8"42" 18 /16” 26 /16” 7 /8” 8 ¾" 5 ¾” 3 3 15 7 3 1 L20 /16" 28" 35 ½” 16 ½" 5 /8”18 /16”29 /8”42" 20 /8" 2
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ELECTRICAL DATA WARNING ELECTRIC SHOCK HAZARD Turn off electric power before service or installation. All electrical connections and wiring MUST be installed by a qualifi ed electrician and conform to the National Electrical Code and all local codes which have jurisdiction. Failure to do so can result in personal injury or death. NOTICE FIRE HAZARD Not following the above WARNING could result in fi re or electically unsafe conditions which could cause moderate or serious property damage. R
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WARNING: Before Operating Your Unit WARNING NOTICE Do not use the LCDI device as an ON/OFF switch. Electrical Shock Hazard Make sure your electrical receptacle has the same configuration as your air conditioner’s Failure to adhere to this precaution may cause plug. If different, consult a Licensed Electrician. premature equipment malfunction. Do not use plug adapters. Do not use an extension cord. Do not remove ground prong. Once plugged in, the unit will operate normally without the need to res
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FAN SPEED Button – Used to sequentially select between fan speeds. Control Panel Operation Depending on your model, you can select between LOW, MED, HIGH, Let’s check out how to control your air conditioner. On the control panel, and MAX and AUTO. Max setting not available on SL and Kuhl+ models. just to the left of the POWER , is a liquid crystal display (LCD). All of the When the button is pressed, the fan speed is temporarily displayed control panel function buttons and mode icons c
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ALERTS (The control system has five (5) customer alerts) CHECK FILTER appears on screen. The word “ ” appears next to the button. The alert is issued when the fan run time is greater than 500 hours. This alert may be reset by the user (Refer to Special Functions, Filter Reset). Maintenance Required – When maintenance is required, a service icon appears on screen. This icon will not be dismissed until maintenance has been performed. If the service icon The hour digits flash first. T
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BACK EXIT BACK SYSTEM SYSTEM EXIT FAN FAN MODE MODE FAN FAN SPEED SPEED DISPLAY DISPLAY SCHEDULE SCHEDULE ENTER ENTER User presses or to toggle between Emergency Heat On User presses or to toggle the format between 12HR and and Emergency Heat Off. Press the key to accept the 24HR display. To exit the selection process and accept the change and exit the selection process. change, press the key. Emergency Heat – The Kühl+ heat pump models (YS, YM, YL) have
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BACK EXIT SYSTEM FAN F MODE FAN F SPEED DISPLAY Y SCHEDULE ENTER R User presses or to select between ATSF On or Off. Press the key to accept the change and exit the selection process. User presses or to select between Freeze Protection On & Freeze Protection Off. Press the key to accept the change and exit the selection process. Freeze Protection – The Kühl+ models have a special feature that is designed to keep the interior space above freezing by energ
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FAN SPEED Button – Used to sequentially select new fan speed, plus Remote Control Operation FA N AUTO operation. When the button is pressed, the fan speed is SPEED Remote Control – Refer to Figures 11 and 12 during operation description. temporarily displayed in the display window, plus a fan speed icon (triangle) changes to indicate the new speed level. Fan speed automatically varies Getting Started – Install two (2) AAA batteries in the battery compartment depending on the set temperatu
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Remote Control Operation (Continued) Figure 1 DISPLAY SYSTEM FAN MODE POWER TEMPERATURE TEMPERATURE UP DOWN FAN SPEED SCHEDULE FRR005 Figure 2 AUTO COOL HEAT FAN ONLY ICON ICON ICON ICON SYSTEM MODE °F / °C ICONs FAN MODE FAN SPEED SCHEDULE 2 X 16 SEGMENT ICON DISPLAY FRR006 16
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ELECTRONIC CONTROL SYSTEM MAINTENANCE Introduction This section contains information on the maintenance alerts, temperature limiting, diagnostic test and how to access. The electronic control system has a built in maintenance sub system which works constantly behind the scenes to help identify problems with the air conditioner or control system. When maintenance is required, a service icon appeasrs on the display screen. This icon will not be dismissed until maintenance has be
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Electronic Control Sy stem Maintenance Operation To Enter the Maintenance Section: Press SYSTEM+SCHEDULE+BACK+DISPLAY/ENTER for 6 seconds. There are 5 maintenance sub-menus M1 through M5. Access Maintenance Sub-Menus M1 Service Only – Temperature High Limit Service Only M2 – Temperature Low Limit Service Only M3 – Test Mode Access M4 – Provision Switch Setting & State Factory Use Only M5 Service Only – Alarms & History M6 – Factory Use Only Factory
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Temperature High Limit Maintenance function 1 is ready to be selected. Press DISPLAY/ENTER to access the function. User presses or to increment or decrement the upper temperature limit. 99°F is the maximum upper limit. The current stored high limit is displayed when the screen is selected. Press the BACK key to accept the value, and exit the sub-menu to the M1 screen. Temperature Low Limit Maintenance funtion 2 is ready to be selected. Press DISPLAY/ENTER to access the fuction User p
