Subscribe to Our Youtube Channel
Related Manuals for Hokkaido HKEI 515XS
Summary of Contents for Hokkaido HKEI 515XS
- Page 1 Technical Manual HIGH COP Type Air Conditioners “DC Inverter” Models with Refrigerant R410A Indoor Units: HKEI 515XS Outdoor Units: HCKI 515XS...
-
Page 2: Table Of Contents
CONTENT 1. Precaution ..............................1 1.1 Safety Precaution ..............................1 1.2 Warning ................................1 2. Function ..............................4 3. Dimension ..............................6 3.1 Indoor Unit ................................6 3.2 Outdoor Unit ................................ 7 4. Specification ............................. 8 5. Refrigerant cycle diagram ........................9 6. - Page 3 9.19 Outdoor chassis heating cable(optional)……………………………………………………………………………..28 10. Troubleshooting ........................... 30 10.1 Indoor Unit Error Display ..........................30 10.2 Diagnosis and Solution ............................ 32 10.3 Key parts checking............................35...
-
Page 4: Precaution
1. Precaution installation stand. 1.1 Safety Precaution It may cause injury, accident, or damage to the To prevent injury to the user or other people product. Be sure the installation area does not and property damage, the following instructions must be followed. - Page 5 It may cause corrosion on the product. Corrosion, arrives. particularly on the condenser and evaporator fins, There is risk of property damage, failure of product, could cause product malfunction or inefficient or electric shock. operation. Do not open the inlet grill of the product during operation.
- Page 6 your skin or clothes, wash it well with clean water. The chemical in batteries could cause burns or other water. Do not use the remote of the batteries health hazards have leaked.
-
Page 7: Function
2. Function Indoor unit Operation by remote controller Sensing by room temperature Room temperature sensor. Pipe temperature sensor. Room temperature control Maintain the room temperature in accordance with the setting temperature. Anti-freezing control in cooling Prevent the water being frozen on evaporator by sensing Ionizer the evaporator pipe temperature in cooling mode Time Delay Safety control... - Page 8 Outdoor unit Power relay control The unit has 3 mins delay between continuously ON/OFF operations. Low noise air flow system Bird tail propeller fan makes the outdoor unit run more quietly. Hydrophilic aluminum fin The hydrophilic fin can improve the heating efficiency at operation mode. 4 way valve control It is only operated in the heating operation mode except defrosting operation.
-
Page 9: Dimension
3. Dimension 3.1 Indoor Unit HKEI 515 XS... -
Page 10: Outdoor Unit
3.2 Outdoor Unit HCKI 515 XS... - Page 11 3.2 Outdoor Unit HCKI 275-365 XS...
-
Page 12: Refrigerant Cycle Diagram
5. Refrigerant cycle diagram... -
Page 13: Wiring Diagram
6. Wiring diagram 6.1 Indoor Unit HKEI 515 XS... -
Page 14: Outdoor Unit
6.2 Outdoor Unit HCKI 515 XS... -
Page 15: Installation Details
7. Installation details 7.1 Wrench torque sheet for installation Outside diameter Torque inch Kgf.m Ф6.35 Ф12.7 7.2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet. Grade Unit 7.3 Pipe length and the elevation Standard Max. - Page 16 leakage from the refrigeration cycle. Procedure Caution: 1. Recheck the piping connections. If gas leakage is discovered in step (3) above, take the 2. Open the valve stem of the 2-way valve following measures. counterclockwise approximately 90’, wait 10 If the leaks stop when the piping connections are seconds, and then set it to closed position.
-
Page 17: Pumping Down (Re-Installation)
7.5 Pumping down (Re-installation) Procedure 1. Confirm that both the 2-way and 3-way valves are set to the opened position. Remove the valve stem caps and confirm that the valve stems are in the opened position. Be sure to use a hexagonal wrench to operate the valve stems. 2. -
Page 18: Re-Air Purging (Re-Installation)
7.6 Re-air purging (Re-installation) Procedure: 1. Confirm that both the 2-way and 3-way valves are set to the closed position. 2. Connect the charge set and a charging cylinder to the service port of the 3-way valve. Leave the valve on the charging cylinder closed. 3. -
Page 19: Balance Refrigerant Of The 2-Way, 3-Way Valves
7.7 Balance refrigerant of the 2-way, 3-way valves Procedure: 1. Confirm that both the 2-way and 3-way valves are set to the open position. 2. Connect the charge set to the 3-way valve’s service port. Leave the valve on the charge set closed. Connect the charge hose with the push pin to the service port. -
Page 20: Evacuation
7.8 Evacuation Procedure: 1. Connect the vacuum pump to the charge set’s centre hose. 2. Evacuation for approximately one hour. Confirm that the gauge needle has moved toward -0.1 Mpa (-76 cmHg) [vacuum of 4 mmHg or less]. 3. Close the valve (Low side) on the charge set, turn off the vacuum pump, and confirm that the gauge needle does not move (approximately 5 minutes after turning off the vacuum pump). -
Page 21: Gas Charging
7.9 Gas charging Procedure: 1. Connect the charge hose to the charging cylinder. Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder. 2. Purge the air from the charge hose. Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air (be careful of the liquid refrigerant). -
Page 22: Operation Characteristics
8. Operation characteristics Piping Length Characteristics (Cooling) Cooling Characteristics 1.60 1.58 1.68 1.56 1.64 1.54 1.60 1.52 1.56 1.50 1.52 1.48 1.48 10 11 12 13 14 25 27 29 31 33 35 37 39 41 43 Piping Length (m) Outdoor Ambient Temperature (℃) Remark: Indoor room temperature: 27/19℃... -
Page 23: Electronic Function
9. Electronic function 9.1 Abbreviation T1: Indoor ambient temperature T2: Pipe temperature of indoor heat exchanger T3: Pipe temperature of outdoor heat exchanger T4: Outdoor ambient temperature 9.2 Display function 9.2.1 Icon explanation on indoor display board. OPERRATION indicator This indicator flashes after power is on and illuminates when the unit is in operation. AUTO indicator This indicator illuminates when the air conditioner is in AUTO operation. -
Page 24: Protection
9.2.2 LED display control function. Pressing “LED display” button on remote controller will turn off all displays on indoor unit, when pressing once again, all displays will resume. 9.3 Protection 9.3.1 Protection of compressor top temperature. When the Over-load Protector is cut due to too high temperature of compressor top, the unit will stop. When the Over-load Protector is closed again due to decreasing of compressor top temperature, the unit will restart( in this case the compressor is restricted by Three Minutes Delay protection). -
Page 25: Cooling Mode
9.4.3 The action of auto fan in fan-only mode is the same as auto fan in cooling mode with 24℃ setting temperature. ℃ high medium 9.5 Cooling Mode 9.5.1 After starting, the operation frequency of compressor submits to following rule. -0.5 -1.0 When the machine is running and ΔT(=room temp. -
Page 26: Drying Mode
2) The machine will quit from the rating capacity test mode if running for 5 hours or changing fan speed or setting temperature. Turbo function(press the “TURBO” button on remote controller) 9.5.5 Elevate current frequency to a higher grade. Indoor fan turns to turbo speed. After running for 30 minutes the machine will turn back to previous setting mode. - Page 27 ℃ setting fan speed low fan breeze super breeze fan stop If the compressor stops caused by room temperature rising, indoor fan will be forced to run 127 seconds with breeze. During this period, anti-cold-wind is disabled. After this, anti-cold –wind function is available.
- Page 28 9.7.4 Outdoor unit current control in heating mode. comp. pause I3HEAT freq. descends if curr. rises; I2HEAT freq. remains if curr. descends I1HEAT running normally 9.7.5 Indoor heat exchanger high temperature protection. If T2＞60℃, the compressor will stop and not resume until T2＜48℃. 9.7.6 Defrosting mode.
-
Page 29: Auto Mode Function
compressor 4-way valve outdoor fan indoor fan indoor fan breeze 10s no longer than 10 minutes 9.7.8 Rating capacity test function. Set the indoor unit with remote controller as: high fan, 30℃ in heating mode, then press “TURBO” button on controller 6 times or more within 10 seconds(make sure indoor unit receives these signals), the machine will turn into rating capacity test mode, the buzzer will make a “di”... -
Page 30: Forced Operation Function
9.8.4 If the setting temperature is modified, the machine will rechoose running function. 9.9 Forced operation function 9.9.1 Forced cooling and auto function can carry out with a touch button. In these two modes, the machine can be changed by remote controller to any other mode at any moment. 9.9.2 When the machine is off, pressing the touch button once, the unit will enter forced auto mode. -
Page 31: Sleep Function Mode
9.13 Sleep function mode 9.13.1 Operation time in sleep mode is 7 hours. After 7 hours the machine quits this mode and turns off. 9.13.2 In cooling, heating or auto mode sleep function is available. 9.13.3 Operation process in sleep mode is as follow: After pressing ECONOMIC or SLEEP button on controller, the machine will turn into sleep mode. -
Page 32: Self Clean Function
9.17 Self-clean function 9.18 Follow me function If the indoor PCB receives the signal which results from pressing the FOLLOW ME button on remote controller, the buzzer will emit a sound and this indicates the follow me function is initiated. But when the indoor PCB receives signal which sent from remote controller every 3 minutes, the buzzer will not respond. -
Page 33: Troubleshooting
10. Troubleshooting Safety Because of there are capacitors in PCB and relative circuit in outdoor unit, even shut down the power supply, electricity power still are kept in capacitors, do not forget to discharge the electricity power in capacitor. Electrolytic Capacitors (HIGH VOLTAGE! CAUTION!) Bulb (25-40W) -
Page 34: Indoor Unit Error Display
10.1 Indoor Unit Error Display Display LED STATUS EEPROM parameter error Indoor / outdoor units communication protection Zero-crossing signal error Fan speed out of control Open or short circuit of outdoor temperature sensor Open or short circuit of room or evaporator temperature sensor IPM module over-strong current protection Over voltage or too low voltage protection Temperature protection of compressor top. -
Page 35: Diagnosis And Solution
10.2 Diagnosis and Solution 10.2.1 E0(EEPROM parameter error) error diagnosis and solution Circuit or software error on indoor PCB Replace indoor PCB 10.2.2 E1(indoor / outdoor units communication protection) error diagnosis and solution Disconnect the power supply, after 1 minute, connect the power supply, turn on the unit with remote controller Does the unit work normally? - Page 36 10.2.4 E3(indoor fan speed out of control) diagnosis and solution Is the indoor fan motor Repair the connector and connector and connection reconnect good? Is voltage being applied to the fan motor? Indoor PCB is defective. (rang 90v-160v between Replace the indoor PCB. mid pin and N on CN1 Replace the indoor fan motor...
- Page 37 10.2.8 P1(over voltage or too low voltage protection) diagnosis and solution. Be sure the power supply is Is the power supply good? normal when using the units Replace the outdoor e-box. 10.2.9 P2(temperature protection of compressor top) diagnosis and solution. Is the connection Does compressor Reconnect and retest.
-
Page 38: Key Parts Checking
10.3 Key parts checking. 10.3.1. Compressor checking (Model: DA130S1C-20FZ).. Measure the resistance value of each winding by using the multi-meter. Position Resistance Value Blue - Red Blue - Black 0.95Ω (20℃) Red - Blue 10.3.2 Outdoor Fan Motor (Model: YDK24-6G). Measure the resistance value of each winding by using the multi-meter. - Page 39 10.3.4 Temperature Sensors. Room temp.(T1) sensor, Indoor coil temp.(T2) sensor, Outdoor coil temp.(T3) sensor, Outdoor ambient temp.(T4) sensor, Compressor exhaust temp.(Te) sensor. Measure the resistance value of each winding by using the multi-meter. Some frequently-used R-T data for T1, T2, T3 and T4 sensor: Temperature (℃) Resistance Value (KΩ) 26.9...
Need help?
Do you have a question about the HKEI 515XS and is the answer not in the manual?
Questions and answers