Heat Controller SMA Service Manual
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Heat Controller SMA Service Manual

Heat Controller SMA Service Manual

Single zone ductless mini-split systems a/c and heat pumps
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See also: Owner's Manual
SERVICE
MANUAL
SMA/SMH09/12SA-0
SMA/SMH18/24SA-1
Single Zone Ductless
Mini-Split Systems
A/C and Heat Pumps

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Summary of Contents for Heat Controller SMA

  • Page 1 SERVICE MANUAL SMA/SMH09/12SA-0 SMA/SMH18/24SA-1 Single Zone Ductless Mini-Split Systems A/C and Heat Pumps...

  • Page 2: Table Of Contents

    10.1 Display board ............................. 39 10.2 Troubleshooting..........................41 10.3 Diagnostic chart..........................42 10.4 Resetting phenomenon often occurs during operation..............44 10.5 Indoor fan speed out of control ......................44 10.6 Temperature sensor error........................45 Heat Controller, Inc. Jackson, MI 49203 - 2 -...
  • Page 3 10.7 Over current protection of the compressor occurs 4 times..............45 10.8 EEROM error............................45 10.9 Outdoor unit protects.......................... 46 10.10 Indoor unit communication error...................... 46 Characteristic of temperature sensor ..............47 Heat Controller, Inc. Jackson, MI 49203 - 3 -...

  • Page 4: Precaution

    Moisture may condense and wet or damage furniture. Take care to ensure that power cable could not be pulled out or damaged. Install per local and national codes. Heat Controller, Inc. Jackson, MI 49203 - 4 -...
  • Page 5 A bad connection may cause water leakage. Keep units level. To avoid vibration of water leakage. Do not install the product where the noise or hot air from the outdoor unit could offend or otherwise affect neighbors. Heat Controller, Inc. Jackson, MI 49203 - 5 -...
  • Page 6 If the liquid from the batteries gets onto your skin or clothes, wash it well with clean water. Do not use the remote if the batteries have leaked. The chemical in batteries could cause burns or other health hazards. Heat Controller, Inc. Jackson, MI 49203 - 6 -...

  • Page 7: Function

    The unit can be change by the room temperature. 14. Anti-cold function Prevent the cold wind at the beginning of unit start. 15. Temp. Compensation 16. Defrost mode 17. Auto-restart function 18. Flexible wiring connection 19. Easy clean panel Heat Controller, Inc. Jackson, MI 49203 - 7 -...

  • Page 8: Dimension

    Service manual 3 Dimension Indoor unit Dimension Mode 32.1 11.0 35.7 11.3 49.2 12.8 49.2 12.8 Heat Controller, Inc. Jackson, MI 49203 - 8 -...
  • Page 9 Service manual outdoor unit Dimension Mode 30.7 21.3 21.6 10.5 29.9 23.2 11.2 20.9 11.4 33.3 27.4 13.2 22.0 13.2 35.2 33.9 13.0 23.2 13.1 Heat Controller, Inc. Jackson, MI 49203 - 9 -...

  • Page 10: Specification

    The noise date is base on semi-anechoic chamber, during actual operation; these values are normally somewhat different than actual operating conditions. The above design and specifications are subject to change without prior notice. Heat Controller, Inc. Jackson, MI 49203 - 10 -...
  • Page 11 The noise date is base on semi-anechoic chamber, during actual operation; these values are normally somewhat different than actual operating condition. The above design and specifications are subject to change without prior notice. Heat Controller, Inc. Jackson, MI 49203 - 11 -...
  • Page 12 The noise date is base on semi-anechoic chamber, during actual operation; these values are normally somewhat different than actual operation. The above design and specifications are subject to change without prior notice. Heat Controller, Inc. Jackson, MI 49203 - 12 -...
  • Page 13 The noise date is base on semi-anechoic chamber, during actual operation; these values are normally somewhat different than actual operating condition. The above design and specifications are subject to change without prior notice. Heat Controller, Inc. Jackson, MI 49203 - 13 -...

  • Page 14: Refrigerant Cycle Diagram

    Service manual 5 Refrigerant cycle diagram Cooling only indoor unit outdoor uni Heat pump mode Heat Controller, Inc. Jackson, MI 49203 - 14 -...

  • Page 15: Remote Controller

    Heat Controller, Inc. Remote ContRolleR Owner’s Manual Using the Remote Controller Use the remote controller within a distance of 26' 3" (8 meters) from the appliance, pointing it towards the receiver. Reception is confirmed by a beep. receiver housing Remove the battery cover by pressing and sliding it off.

  • Page 16: Function Buttons

    Heat Controller, Inc. Remote ContRolleR Owner’s Manual Function Buttons AUTO COOL HEAT* *NOTE: Heat pump models only ION and FOLLOW buttons are optional functions.
  • Page 17 Owner’s Manual Remote ContRolleR Heat Controller, Inc. Function Buttons (continued) ECONOMY Button (Sleep Mode) to maintain the most comfortable temperature TIMER OFF Button ION and FOLLOW buttons are optional functions. Press this recessed button to lock all current set- tings. Use the LOCK mode when you want to prevent settings from being changed accidentally.

  • Page 18: Indicators On Lcd Display

    Heat Controller, Inc. Remote ContRolleR Owner’s Manual Indicators on LCD Display The temperature setting (from 62°F (17°C) to 88°F (30°C)) or timer setting (0~24h) will be displayed. If FAN mode is selected, there will be no display. A key symbol is displayed when pushing the LOCK button.

  • Page 19: Operation Limits

    (41) (59) (77) Outdoor unit air temp ºC (ºF) DBT Note: The chart is the result from the continuous operation under constant air temperature conditions. However, excludes the initial pull-down stage. Heat Controller, Inc. Jackson, MI 49203 - 15 -...

  • Page 20: Wiring Diagram

    WH ITE COMP OUTDOO R FAN FAN2 OUTDOO R FAN CA PACITOR CAP2 7-WAY TERMINAL BL UE WHITE CAP2 CURREN T INDUCT OR C A P1 COMPRE SSOR REL AY RELAY Heat Controller, Inc. Jackson, MI 49203 - 16 -...
  • Page 21 7-WAY T ERMINA L VALVE BLUE WHI TE CT 1 CURRENT INDUC TOR RE LAY COMPRES SOR RE LAY CAP1 WHITE CA P2 VA LVE REVERSI NG VAL VE WHITE FS 1,FS2 FUSE Heat Controller, Inc. Jackson, MI 49203 - 17 -...
  • Page 22 BL UE WHITE CAP2 CURREN T INDUCT OR C A P1 COMPRE SSOR REL AY RELAY Note： ： ： ： This wire is BLUE in the outdoor unit using 208-230V power supply. Heat Controller, Inc. Jackson, MI 49203 - 18 -...
  • Page 23 COMPRES SOR RE LAY WHITE CA P2 VA LVE REVERSI NG VAL VE WHITE FS 1,FS2 FUSE Note： ： ： ： This wire is BLUE in the outdoor unit using 208-230V power supply. Heat Controller, Inc. Jackson, MI 49203 - 19 -...
  • Page 24 FU SE 3.1 5A/ 250 V XT 1 BLA CK CN 4 TRANS1 TRANSFORMER 1 2(N ) S CN1-CN11 PCB SOCKETS TO I NDO OR UNI T POW E R S UPPLY Heat Controller, Inc. Jackson, MI 49203 - 21 -...

  • Page 25: Service Manual

    CN 4 1 2(N ) S AC CONTACTO R CUR RENT IND UCT OR TRANS1 TRA NSFORMER CN1-CN11 PCB SOCKETS TO I NDO OR UNI T POW E R S UPPLY Heat Controller, Inc. Jackson, MI 49203 - 22 -...

  • Page 30: Installation Details

    3/8’’ (φ9.52) 1/4’’ (φ6.35) 7k~12K 1/2’’ (φ12.7) 1/4’’ (φ6.35) 1/2’’ (φ12.7) 1/4’’ (φ6.35) 16K~28K 5/8’’ (φ15.88) 1/4’’ (φ6.35) 5/8’’ (φ15.88) 3/8’’ (φ9.52) 5/8’’ (φ15.88) 3/8’’ (φ9.52) 30K~36K 3/4’’ (φ19.05) 3/8’’ (φ9.52) Heat Controller, Inc. Jackson, MI 49203 - 23 -...

  • Page 31: Electronic Function

    TE16: The indoor evaporator temperature after the defrost action, fan on temperature. TC1: Outdoor condenser sensor temperature for the defrost condition 1. TC2: Condenser sensor temperature after defrost. TC3: Outdoor condenser sensor temperature for the defrost condition 2. Heat Controller, Inc. Jackson, MI 49203 - 31 -...

  • Page 32: Function

    If compressor turns off for continuously 4 times due to current protection in 5 minutes from Compressor On, the unit stops and LCD displays failure information and can’t returns to normal operation automatically. Heat Controller, Inc. Jackson, MI 49203 - 32 -...

  • Page 33: Fan Only Mode

    1.8º F Auto fan at cooling mode: 1.8ºF 7.2ºF 9ºF Anti-freezing control to indoor evaporator at cooling mode ( T: evaporator temp. ) Condenser high temperature protection (only for heat pump) Heat Controller, Inc. Jackson, MI 49203 - 33 -...

  • Page 34: Dehumidifying Mode

    * This parameter can be changed from 0 to 3ºC (0 to 5.4ºF). 9.8.4 Indoor Fan actions at heating mode Indoor Fan can be set at HIGH/MID/LOW/AUTO by using a remote controller, but Anti-cold wind function prevails. Heat Controller, Inc. Jackson, MI 49203 - 34 -...

  • Page 35: Defrosting Mode(Available For Heating Mode)

    1. T3 lower than 32ºF for more than 40 minutes, and during this period T3 is lower than 27ºF for 3 minutes. 2. Time from the end of last defrost where the compressor was running add up to 90 minutes. Heat Controller, Inc. Jackson, MI 49203 - 35 -...

  • Page 36: Auto Mode

    9.11 Forced cooling function 9.11.1 Select forced cooling function with the forced cooling button or the switch 9.11.2 The compressor is unconditionally turned on. After 30 minutes cooling operation the fan Heat Controller, Inc. Jackson, MI 49203 - 36 -...

  • Page 37: Sleep Mode(Economic Mode)

    The set temperature decreases 1.8ºF ( 1 )per hour. Two hours later, th ℃ e set temperature will maintain as a constant and the air circulation is kept at low speed (Anti-cold function takes precedence.) Heat Controller, Inc. Jackson, MI 49203 - 37 -...

  • Page 38: Auto Restart Function

    9.14.3 The turbo mode will cancel and indoor fan motor will get back to the preset speed when one of following conditions occur: a. mode changed b. changed to Force Cooling mode; c. unit is turned off 9.14.4 Sleep mode is not available in this mode. Heat Controller, Inc. Jackson, MI 49203 - 38 -...

  • Page 39: Troubleshooting

    The indicator illuminates then TIMER is set ON. PRE-DEF. indicator (For cooling & heating mode only) The air conditioner starts defrosting automatically if outdoor unit frosts in heating operating. At this time, PRE-DEF. indicator illuminates. Heat Controller, Inc. Jackson, MI 49203 - 39 -...
  • Page 40 At this time, PRE-DEF. indicator illuminates. For cooling only type, when the unit works in fan only mode, the FAN ONLY indicator illuminates. Auto indicator: This indicator flashes when the air conditioner is in AUTO operation. Heat Controller, Inc. Jackson, MI 49203 - 40 -...

  • Page 41: Troubleshooting

    Temp. sensor on outdoor condenser is open circuit or short circuit ☆ (without for cooling only models) ☆ ☆ Outdoor unit protects(outdoor temp sensor, phase order etc) ☆ ☆ EEROM error ☆ Indoor unit communication error Heat Controller, Inc. Jackson, MI 49203 - 41 -...
  • Page 42 SMH12SB /SMH12SC  INDOOR PCB    JUMPER  MUST BE INSTALLED FOR HEATING OPERATION...
  • Page 43 SMA /SMH 18 ‐24 DIAGNOSTICS Operation Timer Defrost auto Outdoor  (RED) over current protection of the compressor occurs 4 times Indoor room thermister is open or shorted Indoor evaporator thermister is open or shorted Outdoor condenser temperature thermister is open or shorted (without for cooling only models) outdoor unit protects (outdoor temp thermister,phase order ect.)
  • Page 44 SMA/SMH09/12SC Check Voltage   black to red ‐35 volts ‐ motor voltage /  black to blue ‐12 volts ‐control voltage Low Voltage  Disconect the plug on the pcb recheck the voltage if the volts are within specs and when you plug it back in it's low then it is an evaporator problem If nothing comes on  disconect the red wire if it's the motor the condensor will come on Always check that the numbers and the wire colours are correct on field and factory wiring...
  • Page 45 LOW AMBIENT CONTROL JUMPERS 1.NO. connect＝0，disconnect＝1 Condenser Jumper temp.（ ） temp.（ ） number number 10-30 11-31 12-32 13-33 14-34 15-35 16-36 17-37 18-38 19-39 20-40 21-41 22-42 23-43 24-44 25-45...
  • Page 46 MODEL VOLT PART NUMBER  SMA / SMH 09‐12 203319900481 SMA / SMH 18‐24 203319900480...

  • Page 47: Diagnostic Chart

    Service manual 10.3 Diagnostic chart After energizing, no indicator is lighted and the air conditioner can’t be operated. See chart on following page. Heat Controller, Inc. Jackson, MI 49203 - 42 -...
  • Page 48 DC 12V between 3 and 4 Check if DC 35V exists at CN6 and 12V at CN3 Indoor PCB is defective Uncertain problem on indoor PCB, change it and check again Heat Controller, Inc. Jackson, MI 49203 - 43 -...

  • Page 49: Resetting Phenomenon Often Occurs During Operation

    The reason is that the instantaneous voltage of main chip is less than 4.5V. Check according to the following procedure: 10.5 Indoor fan speed out of control . Just for 9K and 12K type when indoor fan speed has been out of control for over 1 minute Heat Controller, Inc. Jackson, MI 49203 - 44 -...

  • Page 50: Temperature Sensor Error

    Including the indoor room, indoor evaporator and outdoor condenser temperature sensor. 10.7 Over current protection of the compressor occurs 4 times Over current protection of compressor occurs 4 times 10.8 EEROM error EEROM error, indoor PCB is defective. Heat Controller, Inc. Jackson, MI 49203 - 45 -...

  • Page 51: Outdoor Unit Protects

    Connect the signal wire well or change the signal wire if it’s the problem of the wires. Change indoor PCB and check if the error is still exit Indoor PCB failure Outdoor PCB failure, change outdoor PCB Heat Controller, Inc. Jackson, MI 49203 - 46 -...
  • Page 52 11  Temperature Sensor ...
  • Page 53 Design, material, performance data and components subject to change without notice. 1900 Wellworth Ave., Jackson, Michigan 49203 • Ph. 517-787-2100 • Fax 517-787-9341 THE QUALITY LEADER IN CONDITIONING AIR www.heatcontroller.com 05/18/07 7...

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12sa-0Smh1824sa-1Smh 09

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