Airwell HDD 009 Manual Download Page 38 | Manualshive

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COMPANY

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Protections

There are 4 main protection levels:

1.

Normal (Norm) – unit operate normally.

2.

Stop Rise (SR) – compressor frequency can not be raised but does not
have to be decreased.

3.

Hz Down – Compressor frequency is reduced by 2Hz/s.

4. Stop Compressor (SC) – Compressor is stopped.

Stop Rise and Hz Down are related mainly to the following scenarios :

• High Discharge Pressure Protection IDU/ODU.
• Over Current Protection.
• Heat Sink Temp’.
• IDU coil is Freezing.

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Summary of Contents for HDD 009

Page 1: ...AN COMPANY HDD HED Training Presentation Presented By Yossi Emquies Jan 12th 2011...

Page 2: ...itioner designed mainly for residential applications The ODU YDD is equipped with a DC compressor using sine wave and torque control technology providing comfort and economical operation The HDD HED s...

Page 3: ...l HED 009 012 Electra JED 009 012 Airwell HDD 018 Johnson DDH 018 Airwell HED 018 Electra JED 018 Airwell HDD 024 Johnson DDH 024 Airwell HED 024 Electra JED 018 Airwell YDD 009 012 Electra VDD 009 01...

Page 4: ...r compressor Cooling operation at outdoor temperature up to 48 C Heating operation at outdoor temperature down to 15 C Easy installation and service Sleep mode ON OFF timer and clock display Vertical...

Page 5: ...AN COMPANY Specifications...

Page 6: ...AN COMPANY Out Line Dimensions Model 09 12 Indoor Unit Outdoor Unit...

Page 7: ...AN COMPANY Out Line Dimensions Model 18 24 Indoor Unit Outdoor Unit...

Page 8: ...AN COMPANY TECHNICAL ASPECTS...

Page 9: ...TH HEIGHT NOM CAPACITY kBtu h TUBES O D LENGTH A HEIGHT B PRECHARGE LENGTH ADDITIONAL CHARGE 09 1 4 3 8 15 5 5 15g m 12 1 4 3 8 15 5 5 15g m 18 1 4 1 2 25 10 5 20g m 24 1 4 1 2 25 10 5 20g m Constrain...

Page 10: ...AN COMPANY Intermediate Wiring Connection INDOOR OUTDOOR INDOOR 09 12 OUTDOOR 09 12 18 24 INDOOR 18 24...

Page 11: ...emperature is displayed 2 Shows outdoor temperature or indoor temperature when receiving the corresponding demand from controller It resumes displaying setting temperature 5s later 3 Shows H1 during d...

Page 12: ...ing Dry Fan or Automatic mode Increase or decrease the setting temperature Adjust the fan speeds Auto Turbo High Medium Low Setting ON OFF timer or present time Sleep mode Self Clean function I FEEL f...

Page 13: ...AN COMPANY Refrigerant Diagram Model 09...

Page 14: ...AN COMPANY Refrigerant Diagram Model 12...

Page 15: ...AN COMPANY Refrigerant Diagram Model 18...

Page 16: ...AN COMPANY Refrigerant Diagram Model 24...

Page 17: ...AN COMPANY Wiring Diagram IDU INDOOR 09 12 INDOOR 18 24...

Page 18: ...AN COMPANY Wiring Diagram ODU OUTDOOR 09 12 OUTDOOR 18 24 EEV is only for Model 24...

Page 19: ...AN COMPANY IDU PCB Main Inputs and Outputs Layout Indoor Model 09 12 Indoor controller of model 09 12 IDU Display IDU Main Board Model 09 12 use similar controller but with different SW...

Page 20: ...AN COMPANY IDU PCB Main Inputs and Outputs Layout Indoor Model 09 12 Indoor Main Board of model 09 12 PG motor power PG motor feedback ICT RAT To Display To step motor...

Page 21: ...AN COMPANY IDU PCB Main Inputs and Outputs Layout Indoor Model 18 24 Indoor controller of model 18 24 IDU Display IDU Main Board Model 18 24 use similar controller but with different SW and Capacitor...

Page 22: ...AN COMPANY IDU PCB Main Inputs and Outputs Layout Indoor Model 18 24 Indoor Main Board of model 18 24 Model Plug ICT RAT To Display PG motor Feedback Louver motor PG Motor Power...

Page 23: ...AN COMPANY ODU PCB Main Inputs and Outputs Layout Outdoor 09 12 Outdoor controller of model 09 12 PFC Reactor EMI Filter Model 09 12 use similar controller but with different SW...

Page 24: ...AN COMPANY ODU PCB Main Inputs and Outputs Layout Outdoor 09 12 ODU Main Board of model 09 12 To EMI Filter Sensor set CTT OCT OAT OLP Fan motor AC IN To DC compressor U V W RV 4 Way valve...

Page 25: ...AN COMPANY ODU PCB Main Inputs and Outputs Layout Outdoor 18 24 Outdoor controller of model 18 24 Flat PCB combines Main Board and EMI Filter together...

Page 26: ...AN COMPANY ODU PCB Main Inputs and Outputs Layout Outdoor 18 24 Outdoor controller of model 18 24 OLP Sensor set CTT OCT OAT EEV OFAN To DC Compressor U V W EMI Filter RV...

Page 27: ...pressor of Single Rotary type Model 18 22 use the same one compressor of Twin Rotary type 2 Sensors CTT 50K 25C OAT RAT 15K 25C OCT ICT 20K 25C 3 Motors IFAN motor is PG motor with 4 speeds respective...

Page 28: ...AN COMPANY Main Control Functions...

Page 29: ...ve Part Takes the effect of the accumulated values the history PI control Room Temperature Set Point Immediate response for user set point change Example Pcoeff 20 Icoeff 5 Time T Ppart Ipart LOAD 0 5...

Page 30: ...quency MaxFreq 09 12 18 24 See following table Cooling 16 16 12 12 Heating 16 16 12 12 Frequency Range Mode Sleep Mode Maximum Frequency MaxFreq 09 12 18 24 Cooling ON 78 92 80 80 OFF 78 92 90 90 Heat...

Page 31: ...Turbo Function Auto Fan Mode Under Turbo mode IFAN will operate at Super High speed And outdoor will operate at higher compressor frequency Either pressing TURBO button again or selecting other fan sp...

Page 32: ...tus Model 09 12 Model 18 24 If RAT SPT 0 5 the unit starts cooling operation In this case the compressor and outdoor fan will operate and the indoor fan will run at the setting speed If RAT SPT 2 the...

Page 33: ...PT 3 RAT SPT 5 the unit will maintain the previous status If RAT SPT 5 the compressor will stop the outdoor fan will delay 30s to stop and the indoor fan will blow for 60s at the setting speed During...

Page 34: ...ow speed or stop running This function will terminate after the unit runs for 3min or the ICT reaches 42 degree Residual heat blowing function During heating when the stopping condition for the compre...

Page 35: ...ed 2 When RAT 22 the unit runs in heating mode 3 When 22 RAT 25 upon initial startup the unit will enter auto mode and run in automatic fan mode If the other mode changes into auto mode the previous r...

Page 36: ...AN COMPANY Sleep Mode...

Page 37: ...AN COMPANY Clean Function and I Feel Mode Clean Function I Feel Function...

Page 38: ...quency can not be raised but does not have to be decreased 3 Hz Down Compressor frequency is reduced by 2Hz s 4 Stop Compressor SC Compressor is stopped Stop Rise and Hz Down are related mainly to the...

Page 39: ...the unit stops as such protection for 6 times it can not resume running automatically and displayed an error malfunction it can resume by pressing ON OFF IDU Freezing Protection During cooling operati...

Page 40: ...tection The Discharging temperature is used for detecting the comp temp If the discharge temperature rises above a certain level the operating frequency upper limit is set to keep this temperature fro...

Page 41: ...deicing time reaches Maximum Deicing Time For 18 24 OCT 12 C or OAT 5 C and OCT 6 C lasts for more then 80Sec Deicing Starting Conditions The starting conditions is a function of OAT and OCT Under th...

Page 42: ...AN COMPANY 9 12 Deicing Procedure Protections 18 24 models...

Page 43: ...tatus or low DC voltage on the IPM module IPM module will issue a protection signal Once the signal is detected the unit will be stopped immediately If the module protection is resumed and compressor...

Page 44: ...open 240 steps and then move back with 540steps This position will be recognized as 0 Then EEV will open to 480 steps and be ready for system operating 2 EEV open loop depends on OAT RAT SPT and comp...

Page 45: ...AN COMPANY Test Mode Procedure Models 9 12...

Page 46: ...AN COMPANY Test Mode Procedure Models 18 24...

Page 47: ...AN COMPANY Forced Cooling Mode 18 24 Models Only...

Page 48: ...iagnostic can be also detected from the outdoor by a combination of LEDs located on the controller Diagnostic from IDU Display If the malfunction still exists 4min later after the unit had stopped due...

Page 49: ...ange E5 RUN OFF 3s and blink 5 times Over current protection 1 Supply voltage is unstable 2 Supply voltage is too low and load is too high E6 RUN OFF 3s and blink 6 times Communication malfunction 1 W...

Page 50: ...and blink for 6 times HZ down due to overload 1 Too high ambient temperature 2 Poor heat exchange including blockage and bad radiating environment F8 COOL OFF 3S and blink 8 times Hz down due to over...

Page 51: ...during heating H2 HEAT OFF 3S and blink twice ESF protection H3 HEAT OFF 3S and blink 3 times Compressor overload protection Connection of compressor OLP is loosen the resistance for this terminal sho...

Page 52: ...heat exchange Over charged system H0 HEAT OFF 3S and blink 10 times HZ down due to IDU over heating protection 1 Too high ambient temperature 2 Poor heat exchange including blockage and bad radiating...

Page 53: ...age dropping for DC BUS Supply voltage is unstable PL HEAT OFF 3S and blink 21 times DC under voltage AC power supply voltage is less than 150VAC Outdoor PCB circuit malfunction EU Stop rise HZ down d...

Page 54: ...AN COMPANY END...

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