![Haier HSU-18HEK03 [12/81] Functions and control](/img/pdf.png)
Haier HSU-18HEK03 [12/81] Functions and control
![Haier HSU-18HEK03 [12/81] Functions and control](/views2/1806636/page12/bgc.png)
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5ˊFunctions and control
5.1 main functions and control specifications
Including brief introduction to air conditioners of series models and electric control function.
5.1.1 Automatic running
Automatic running mode
When the running mode is turned to automation after starting the system, the system will first determine
the running mode according to the current room temperature and then will run according to the determined
mode. Tr in the following selection conditions means room temperature, Ts means setting temperature, Tp
means temperature of indoor coil pipe
a. Tr23 running ć cooling mode
b. Tr<23 running heating mode ć
After turning to the automation mode, the running mode can be switched between cooling mode, fan
mode and heating mode according to the change of the indoor ambient temperature. But the automatic
conversion between cooling mode and heating mode must be conducted after 15 minutes.
5.1.2 Indoor temperature control
Temperature control range : 16ć—30ć
Temperature control precision: r1ć
Compressor can’t be controlled by temperature sensor within 2 minutes after it starts
5.1.2.1 Cooling mode:
When Tr> Ts, outdoor fan motor and compressor on, and indoor fan motor run at fixed wind speed. When Tr
Ts, outdoor fan motor and compressor off, and when Tr > Ts, outdoor fan motor and compressor are working
again .If Tr=Ts, the indoor fan motor , outdoor fan motor and the compressor’s state will not change.
5.1.2.2 Heating mode:
When Tr d Ts, compressor, four-ways valve and outdoor fan motor is on, indoor fan
motor runs as in cold blast avoidance mode, and 4ćof compensation is added after compressor is started.
When Tr>Ts+5ć, compressor is off, and the indoor fan motor runs as in cold blast avoidance mode.
When Tr<Ts+5ć, compressor, four-ways valve and outdoor fan motor is on, and the indoor fan motor runs
as in the mode of avoiding cold blast.
5.1.3 Cooling run mode:
temperature control range :16ć—30ć
temperature control precision: r1ć
compressor can’t be controlled by temperature sensor within 2 minutes after it starts.
control character: when Tr t Ts, outlet air from compressor is on and indoor fan motor run at fixed
wind speed. When Tr Ts, outlet air from compressor is off , and when Tr > Ts, outlet air from compressor
is on.
wind speed control: (the temperature difference is 1ć)
auto: when Tr>=Ts+3ć, the wind speed is high;
When Ts+1ćdTr Ts+3ǂć, the wind speed is medium.
When Tr Ts+1ǂć, the wind speed is low.
When temperature sensor is off, the fan motor runs at low speed.
when the wind speed changes from low to high, there is no delay, and when it changes from high to
low, there is a 3-minutes delay before conversion.
+6818HEK03
Содержание
- Removal procedure 2
- Caution in repair 4
- Introduction 4
- Safety cautions 4
- Warning 4
- 18hek03 5
- Cautions regarding products after repair 5
- Domestic air conditioner 5
- Introduction 5
- Warning 5
- 18hek03 6
- Caution 6
- Domestic air conditioner 6
- Introduction 6
- Warning 6
- 18hek03 7
- Caution 7
- Domestic air conditioner 7
- Inspection after repair 7
- Introduction 7
- Warning 7
- 18hek03 8
- Domestic air conditioner domestic air conditioner 8
- Icon type of information description 8
- Icons are used to attract the attention of the reader to specific information the meaning of each icon is described in 8
- Introduction 8
- The table below 8
- Using icons 8
- Using icons list 8
- Cn7 cn5 cn5 1 11
- Connectors indoor pcb 11
- Indoor unit 11
- Printed circuit board connector wiring diagram 11
- Cooling run mode temperature control range 16 30 12
- Functions and control 12
- Main functions and control specifications 12
- Temperature control precision 1 compressor can t be controlled by temperature sensor within 2 minutes after it starts 12
- Ts 3 the wind speed is high 12
- When ts 1 tr ts 3 the wind speed is medium when tr ts 1 the wind speed is low when temperature sensor is off the fan motor runs at low speed when the wind speed changes from low to high there is no delay and when it changes from high to low there is a 3 minutes delay before conversion 12
- Current cross control doesn t work the control of current cross peak expiration doesn t work temperature control doesn t work temperature expiration control doesn t work 5 0 memory function the memory function of power down is available and the auto recovery function of power on is optional in auto heating cooling or defrosting status press the sleeping button 10 times within 5 seconds and the auto recovery function of power on can be set on off if the buzzer rings 4 times the the auto recovery function of power on is available if the buzzer rings 2 times the the auto recovery function of power on is unavailable 17
- If there is no eeprom the unit is taken off the off function of the memory function of power down but the memory function of power down can also be set on off and the data is the default value of chip 5 1 alarm from indoor fan motor 2 minutes later after the indoor fan motor is charged and the impulse from fan motor is not detected hen send alarm signals 17
- Indoor unit 17
- Room sensor 17
- Value of thermistor 17
- 18hek03 18
- 18hek03 19
- 18hek03 20
- B25 50 3700k 3 20
- Pipe sensor 20
- R25 10k 3 20
- 18hek03 21
- 18hek03 22
- 18hek03 23
- Be sure to turn off power switch before connect or disconnect connector or else parts damage 24
- Cautio 24
- The code indication that is listed above is the main fault 24
- Troubleshooting 24
- 18hek03 26
- A beeping sound is generated when a signal from remote controller isreceived 26
- Actual inlet grille may vary from the one shown in the manual according to the product purchased 26
- Adjust left and right air flow 26
- Adjust up and down air flow don t adjust it manually 26
- After time setting is confirmed press set am and pm stop flashing while clock starts working 26
- Button is kept pressed time will 26
- Change quickly 26
- Cooling only unit do not have displays and functions related with heating 26
- Drain hose 26
- Dry cool auto 26
- Full display or unclear display during operation indicates the ries have been used up please change batteries if the remote controller can t run normally during operation reload several minutes later 26
- Indoor unit 26
- Inside 26
- Lights up when the compressor is on 26
- Lights up when unit starts 26
- Lights up whentimer operation is selected 26
- Or decrease 1min if th 26
- Outdoor unit 26
- Outlet 26
- Parts and functions 26
- Please 26
- Press clock button am or pm flashes press or to set correct time each press 26
- Remote controller 26
- Remove the batteries and 26
- Remove the batteries in case unit won t be in usage for a long period if there are any display after taking out just need to press reset key 26
- Room the receiver is apt to be disturbed in receivingthe signals 26
- So the distance to the indoor unit should be shorter 26
- The distance between the signal transmission head and the receiver hole should be within 7m without any obstacle as well 26
- Used to select sleep mode 26
- Used to select your desired temp 26
- Used to set auto fan direction 26
- Used to set clock and timer setting 26
- Used to set correct time 26
- When electronic started type fluorescent lamp or change over 26
- When receiving the remote control signal display the set temperature and in the rest time the room temperature is is displayed and this room temperature is only for reference 26
- Will increase 26
- Wireless telephone is installed in the type fluorescent lamp or 26
- According to room 27
- Air flow direction adjustm 27
- Auto lo med hi 27
- Auto operation 27
- Automatically adjusts 27
- C unit will run intermittently at low speed regardless of fan setting 27
- Cool operation 27
- Cooling only unit do not have displays and functions related with heating 27
- Dry operation 27
- Due to cold draft prevention function 27
- Fan operation 27
- Health 27
- Heat operation 27
- In dry mode when room temperature becomes lower than temp 27
- In dry mode when room temperature becomes lower than temp setting 27
- In fan mode auto is not available in fan mode and temp setting is disabled 27
- In fan operation mode 27
- In fan operation mode the unit will not operate in cool or heat mode but only in fan mode auto is not available in fan mode and temp setting is disabled in fan mode sleep operation is not available 27
- In heat mode warm air will blow out after a short periodof the time 27
- Next time just press on off button and unit will run in previous status remote controller can memorize each operation status when starting it 27
- Of fan setting 27
- On off 27
- Operation 27
- Operation mode 27
- Press on off button unit starts or stops 27
- Remote controller note 27
- Select temp setting 27
- Setting 2 c unit will run intermittently at low speed regardless 27
- Temperature 27
- The fan speed according to room temperature 27
- The unit will not operate in cool mode but only 27
- Under the mode of auto operation air conditioner will automatically select cool or heat operation according to room temperature air conditioner automatically adjusts the fan speed 27
- Unit start stop 27
- When fan is set to auto the 27
- When fan is set to auto the air conditioner 27
- When fan is set to auto the air conditioner automatically adjusts 27
- 18hek03 28
- 2 timer off 28
- 18hek03 30
- Caution 33
- Cautions 33
- Warning 33
- Codes and description 34
- E1 room temperature sensor failure cn6 e2 heat exchange sensor failure cn6 34
- Error codes and description indoor display 34
- Problem symptoms and measures 34
- E4 indoor eeprom error replace the pcb of indoor unit 35
- E14 indoor fan motor malfunction 36
- When the unit is on don t pull out or insert the terminal of the motor cn9 or else the motor would be damaged 36
- Cooling suction presure curves 45
- Connecting the indoor outdoor electric cable 48
- Indoor unit 48
- Removing the wiring cover 48
- When connecting the cable after installing the indoor unit 48
- Attaching drain elbow 49
- Caution in case more than 5 metres oil trap should be installed every 5 7m 49
- Connection of pipes 49
- For 18k 22k 24k b 10m 49
- Max elevation 49
- Max length for 5k 7k 9k 10k a 7m for 12k 13k a 10m for 18k 22k 24k a 20m 49
- Outdoor unit 49
- Purging method 49
- Indoor 51
- Wiring diagrams 51
- Out door 52
- 10 circuit diagrams 53
- 18hek03 53
- Circuit diagram 53
- 18hek03 55
- Hsu 18hek03 61
- Removal of front panel 61
- Horizontal flap 63
- Hsu 18hek03 63
- Hsu 18hek03 68
- Removal of outdoorunit 71
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