C&H GKH18K3BI Owner'S Manual Download Page 1

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O W N E R ' S M A N U A L

M A N U A L

C & H A IR C O N D I T I O N E R S

Air Conditioner

FLOOR-TO-CEILING SERIES

MODELS:

indoor unit / outdoor unit

GTH18K3BI / GUHN24NK3AO

GTH24K3BI / GUHN24NK3AO

GTH36K3BI / GUHN36NM3AO

GTH48K3BI / GUHN48NM3AO

Thanks for your selection of our Air-Conditioning Unit. Before use, please read this instruction

manual carefully and keep it properly to ensure correct use of this machine.

Summary of Contents for GKH18K3BI

Page 1: ...ELS indoor unit outdoor unit GTH18K3BI GUHN24NK3AO GTH24K3BI GUHN24NK3AO GTH36K3BI GUHN36NM3AO GTH48K3BI GUHN48NM3AO Thanks for your selection of our Air Conditioning Unit Before use please read this instruction manual carefully and keep it properly to ensure correct use of this machine ...

Page 2: ...in the laundry WARNING The installation cleaning and maintenance work must be done by a qualified person Do not do such work by yourself Before installation please check the power supply for compliance with the ratings on nameplate Check the power safety as well Before use please check and confirm if the cables drainage pipes and pipelines are correctly connected hence to eliminate the risk of wat...

Page 3: ...ting SWING SWING TIMER Composition of wire controller 1 Timing display 2 Fan speed display Auto High speed Medium speed Low speed 3 Defrosting status display 4 Energy savingstatus display 5 Set temperature display 6 Ambienttemperature display 7 Fresh air status display not supplied 8 Mode cooling dehumidifying fan heating auto Never install the wire controller in a place where is water leakage Avo...

Page 4: ...ure setting key to decrease the set temperature when pressing the keys once the temperature shall increase or decrease by 1 C NOTE key lock function when the and key are pressed simultaneously for 5 second the set temperature indicating are a shall display EE and all keys response shall be shut off press the two keys simultaneously for 5 second again the key lock function shall be released When th...

Page 5: ...1 C will be risen after 2 hours that means that the temperature been risen 2 C within 2 hours Then the unit will run according to this set temp When under the heating mode after receiving the SLEEP order for 1 hour the previous set temp Set will be lower for 1 C and another 1 C will be lower after 2 hours that means that the temperature been lowered 2 C within 2 hours Then the unit will run accord...

Page 6: ...ng mode and saves more energy When the unit operates under Heating mode HEAT shall be displayed Now the set temperature must be higher than the ambient temperature Now if the set temperature is lower than the ambient temperature the heating function shall not be started When the unit operates under Fan mode FAN shall be displayed When the unit operates under Auto mode AUTO shall be displayed and t...

Page 7: ...erature and the lower one as the lower limit temperature Press the MODE key to complete the energy saving setting for the modes of cooling and dehumidifying and turn to the energy saving setting for the heating mode Cooling only unit does not have this function Now the LCD displays SAVE and HEAT After setting is completed press the FAN key and the key simultaneously for 5 consecutive seconds to ex...

Page 8: ... means the operating status or shutoff status shall not be memorized Press the ON OFF key to store the set value and exit the setting Debug Function Setting When the unit is shut off press the FAN key and the SWING key Simultaneously to activate the debug menu Now the LCD displays DEBUG Press the MODE key to select setting item and use the key or the key to set actual value Setting of Ambient Temp...

Page 9: ...ection of compressor The Codes of Failure Definitions are as Follows Fault code Fault Fault code Fault E0 Pump Failure F0 Failure of Indoor Room Sensor at Air Intake E1 Compressor High Pressure Protection F1 Failure of Evaporator Temp Sensor E2 Indoor Frost Proof Protection F2 Failure of Condenser Temp Sensor E3 Compressor Low Pressure Protection F3 Failure of Outdoor Ambient Sensor E4 Compressor ...

Page 10: ...o as to achieve fully automatic operation This WEEKLY TIMER adopts 485 mode to communicate with manual control of every duct type unit and it can control up to 16 units Adopting 2 core twisted pair wire the longest communication distance of this TIMER is 1200m After connected to power the WEEKLY TIMER can display all connected units sequence of unit is determined by code switch of manual control o...

Page 11: ...6 or control single unit by Single Control 2 When selected a certain or several units by Single Control or Group Control Timer setting and On off setting can be set Timer setting can set 4 on off times in a day in one week and on off setting can be done by pressing on off button 3 Connection between WEEKLY TIMER and manual control is shown as following Week timer Manual control Manual control LCD ...

Page 12: ...nt Temperature Display 12 Timer interval Display 3 Energy Saving Status Display 13 Mode Button 4 Set Temperature Display 14 Set Temperature Increase Button 5 Week Display 15 Set Temperature Decrease Button 6 Fan Speed Display Auto High Speed Medium Speed Low Speed 16 Fan Speed Button 7 Defrosting Status Display 17 Swing Button 8 Fresh Air Status Display 18 Timing Button 9 Mode Cooling Dehumidifyin...

Page 13: ...g Fig 4 Press the setting temperature button For temperature increase For temperature decrease Press this button once the temperature will be increased or decreased by 1 Note Press button for 5 seconds EE will appear where SET TEMP is displayed and all buttons are shielded Press button again for 5 seconds to cancel locked function If long distance monitoring controller or central controller shield...

Page 14: ...AN HEAT AUTO In cool mode COOL will light in which case setting temperature should be set to be lower than present ambient temperature If not the unit will not operate in cool mode and only the fan is active In dry mode DRY will light Indoor fan will run at low speed in certain temp range Dry efficiency as well as energy saving efficiency in this mode is much better than that in cool mode In heat ...

Page 15: ... be shielded after setting energy saving 6 Timer Setting Fig 7 8 9 Timer function in this wired controller connected with weekly timer is invalid and wired controller will be controlled by weekly timer Either in ON status or OFF status of the unit press TIMER button into timing setting and then press or button to set timing Fig 7 set time Fig 8 and delete timing Fig 9 At last press TIMER to set it...

Page 16: ... also blinking characters setting can be continuous till quit It by pressing ON OFF button meanwhile timing data are memorized Fig 10 11 In time setting mode press MODE button to select any desired setting object Week 1 7 min part 0 59 or hour part 0 23 and then press or button to adjust this object which is fixed by pressing TIMER button or can be canceled by pressing Timer again During fixing se...

Page 17: ...p is displayed and outdoor ambient temp tested by inner system will be displayed where ambient temp is displayed If outdoor temp is tested to be below zero will be displayed where set temp is displayed and absolute value of outdoor ambient temp tested by inner system will be displayed where ambient temp is displayed After 10 second display the system will return to display interface of indoor ambi...

Page 18: ... system will trip off the menu and display normal interface of unit off SAVE will be displayed in LCD at next startup of the unit if above setting has been finished Either by pressing buttons of the displayer or remote controller the setting temp can never be set to be higher than temp range set under energy saving mode before For example lower limit cooling temp under energy saving mode is 23 and...

Page 19: ...ton continuously for 10s and select if memorize startup and stop status of the unit or not at unit 01 displayed in the region of displaying setting temp indicates memorizing start and stop status of the unit after power off 02 quit by pressing ON OFF button indicates not memorizing If after the interface of memorizing startup and stop status of the unit appears there is no operation in 20s when th...

Page 20: ...ACT THE SERVICE MAN OPERATION INSTRUCTIONS CAUSES RE CONTACT THE SERVICE MAN C CA AU US SE ES S P PR RO OB BL LE EM M PROBLEM CAUSES CHECKING BEFORE CONTACT THE SERVICE MAN OPERATION INSTRUCTIONS Check if breaker switch is still on ...

Page 21: ...or unit you can refer the paper pattern for installation and make sure that the drainage side must be 10mm lower than the other side in order to drain the condensation water fluently D E A B C Unit mm Model A B C D E GTH18K3BI 836 238 745 695 260 GTH24K3BI 1300 188 1202 600 260 GTH36K3BI GTH48K3BI 1590 238 1491 695 260 ...

Page 22: ...R CONDITIONER TROUBLE IS LIKELY TO OCCUR Where there is too much of oil Where it is acid base area Where there is irregular electrical supply INSTALLATION PAPER PLANK Fig 22 THERE ARE 2 STYLES OF INSTALLATION CEILING TYPE FLOOR TYPE 150cm or more Each type is similar to the other as follows Determine the mounting position on ceiling or wall by using paper pattern to indicate indoor Mark the patter...

Page 23: ...STALLATION INSTRUCTIONS Set the suspension bolt Use W3 8 or M10 size suspension bolts Adjust the distance from the unit to the ceiling slab beforehand Refer to Fig 25 27 28 26 26 29 30 40mm or less Fig 25 Fig 2 Fig 27 Fig 2 Fig 29 Fig 3 ...

Page 24: ...Outdoor Unit Installation INSTALLATION INSTRUCTIONS Fig 31 Fig 32 CAUTION ...

Page 25: ...ectrical work must be done by qualified personnel according to the local rules and this instruction The rated voltage and the exclusive circuit must be used Leakage circuit breaker must be installed Please use specified fuse If the power supply cord of the unit is damaged it must be replaced by the manufacturer or its service agent orasimilarly qualified person inorder toavoid ahazard An all pole ...

Page 26: ... good ventilation so that the outdoor unit can take in and exhaust enough Ensure that there is no obstacle for the air intake and exhaust of the outdoor unit If there is any obstacle blocking the air intake or exhaust remove it Place of installation shall be strong enough to support the weight of outdoor unit and it shall be able to insulate noise and prevent vibration Ensure that the wind and noi...

Page 27: ...e unshielded twisted pair cable UTP shall be used the cross sectional area of the cables must be 0 75 mm2 GUHN18NK3AO GTH18K3BI GUHN24NK3AO GTH24K3BI Outdoor Unit Intdoor Unit 1 Power cord 3 mm2 H07RN F 2 Power cord 3 1 5mm2 H05VV F 3 Communication Cords UTP GUHN36NM3AO GTH36K3BI Outdoor Unit Intdoor Unit 1 Power cord 3 6mm2 H07RN F 2 Power cord 3 1 5mm2 H05VV F 3 Communication Cords UTP GUHN48NM3...

Page 28: ...Schematic Diagram of Unit Line Connection INSTALLATION INSTRUCTIONS GUHN18NK3AO GUHN24NK3AO GUHN36NM3AO GUHN48NM3AO All the indoor units ...

Page 29: ...position According to the size of the communication line of the wire controller leave a recess or a embedded wire hole to bury the communication line 3 If the communication line between the wire controller 85 x 85 x 16 and the indoor unit is surface mounted use 1 metallic pipe and make matching recess in the wall refer to Figure 41 If concealed installation is adopted 1 metallic pipe can be used R...

Page 30: ...ion wire metallic Pipe metallic Pipe 1 2 3 4 Figure 43 Surface Mounting of Cable Figure 44 Concealed mounting of Cable Figure 45 Schematic Diagram of Installation No Name 1 Wall Surface 2 Bottom Plate of Wire Controller 3 Screw M4X10 4 Panel of Wire Controller Caution 1 The communication distance between the main board and the wire controller is 8 meters 2 The wire controller shall not be installe...

Page 31: ...le twisted wires and fix the terminal at the terminal board Warning If the power supply flexible line or the signal line of the equipment is damaged only use special flexible line to replace it 1 Before connecting lines read the voltages of the relevant parts on the nameplate Then carry out line connection according to the schematic diagram 2 The air conditioning unit shall have special power supp...

Page 32: ...PIPE PREPARATION OPERATION INSTRUCTIONS ...

Page 33: ...pe mm Max Pipe Length m Max Height Difference between Indoor Unit and Outdoor Unit m Amount of Additional Refrigerant to be Filled For Extra Length of Pipe Gas Pipe Liquid Pipe GTH18K3BI 1 2 1 4 20 15 30g m GTH24K3BI 5 8 3 8 30 15 60g m GTH36K3BI 3 4 1 2 50 30 120g m GTH48K3BI ...

Page 34: ...AIR PURGING AND CHECK OF PIPE LEAKAGE OPERATION INSTRUCTIONS ...

Page 35: ...LIQUID PIPE AND DRAIN PIPE OPERATION INSTRUCTIONS ...

Page 36: ...DRAIN PIPING WORK OPERATION INSTRUCTIONS45 ...

Page 37: ...ly and securely It may cause electric malfunction or damage the part Has the unit been connected to a secure earth connection It may cause electrical leakage Is the power cord specified It may cause electric malfunction or damage the part Has the inlet and outlet been covered It may cause insufficient refrigerating capacity Has the length of connection pipes and the refrigerant charge been record ...

Page 38: ...accessories list above in the installation or it will lead to water leakage electric shock fire etc Appendix Air conditioner nominal working condition and working range Note 1 The design of this unit conforms to the requirements of EN14511 standard 2 The air volume is measured at the relevant standard external static pressure 3 Cooling heating capacity stated above is measured under nominal workin...

Page 39: ...This product must not be disposed together with the domestic waste This product has to be disposed at an authorized place for recycling of electrical and electronic appliances 66129904712 ...

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