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Blueridge BMKH18P/O Owner's Manual

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Owner's Manual
Original Instructions
Split Air Conditioner
Thank you for choosing our product.
Please read this Owner's Manual carefully before operation and
retain it for future reference.
NOTE：
Actual product may be different from graphics,
please refer to actual products.

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Summary of Contents for Blueridge BMKH18P/O

  • Page 1 Owner's Manual Original Instructions Split Air Conditioner Thank you for choosing our product. Please read this Owner’s Manual carefully before operation and retain it for future reference. NOTE： Actual product may be different from graphics, please refer to actual products.
  • Page 2 Contents Outdoor Installation------------------------------------------------------------01 Ceiling Cassette Installation-------------------------------------------------20 Floor Ceiling Installation------------------------------------------------------63...
  • Page 3 BMKH18P/O BMKH24P/O...
  • Page 4 Owner's Manual Original Instructions Split Air Conditioner CONTENTS Safety precautions ..................Parts name ....................Installation notice ..................Installation of outdoor unit ................Test and operation ..................Configuration of connection pipe ..............Thank you for choosing our product. Please read this Owner’s Manual carefully before operation and retain it for future reference.
  • Page 5 Explanation of Symbols WARNING This symbol indicates the possibility of death or serious injury. This symbol indicates the possibility of injury or damage to CAUTION property. Indicates important but not hazard-related information, used NOTICE to indicate risk of property damage. Exception Clauses Manufacturer will bear no responsibilities when personal injury or property loss is caused by the following reasons.
  • Page 6 FCC WARNING WARNING: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. FCC STATEMENT This device complies with Part 15 of the FCC Rules.Operation is subject to the following two conditions : (1) this device may not cause harmful interference, and (2) this device must accept any interference received,including interference that may cause undesired operation.
  • Page 7 IC STATEMENT This equipment complies with FCC’s and IC’s RF radiation exposure limits set forth for an uncontrolled environment. The antenna(s) used for this transmitter must be installed and operated to provide a separation distance of at least 20 cm from all persons and must not be collocated or operating in conjunction with any other antenna or transmitter.
  • Page 8 Safety precautions WARNING Installation should comply with nation- Installation or maintenance al electric safety regula- must be performed by qua- tions. lified professionals. Air Conditioner should be The appliance shall be in- properly grounded. Inco- stalled in accordance with rrect grounding may cause national wiring regulations.
  • Page 9 Safety precautions CAUTION Installation line. Instructions for installation and use of this product are The yellow-green wire in provided by the manufac- air conditioner is ground- turer. ing wire, which can't be us- Select a location which is ed for other purposes. The air conditioner is the out of reach for children and far away from animals...
  • Page 10 Safety precautions WARNING Operation and Maintenance ket. Otherwise, it may cau- se fire hazard. This appliancecan be used Do disconnect power supp- by children aged from 8 ly when cleaning air condi- years and above and per- tioner. Otherwise, it may sons with reduced physi- cause electric shock.
  • Page 11 Safety precautions CAUTION Operation and Maintenance Air conditioner gives off Do not spill water on the re- burning smell. mote controller, otherwise Indoor unit is leaking. the remote controller may be broken. Do not use fire or hair dry- er to dry the filter to avoid deformation or fire hazard.
  • Page 12 Parts name Outdoor Unit air inlet air outlet NOTE ● Actual product may be different from above graphics, please refer to actual product.
  • Page 13 Installation notice WARNING sure that the unit is running in cooling mode. Then, fully close the valve at high pressure side (liquid valve). About 30-40 seconds later, fully close the valve at low pressure side (gas valve), immediately stop the unit and disconnect power.
  • Page 14 Selection of installation location Requirements for electric connection Basic requirement The temperature of refrigerant circuit will be hi- Installing the unit in the following places may cau- gh, please keep the interconnection cable away se malfunction. If it is unavoidable, please consu- from the copper tube.
  • Page 15 Installation of outdoor unit Step 1: Fix the support of outdoor unit (select it according to the actual inst- drain vent chassis allation situation) outdoor drain joint 1. Select installation location according to Drain hose the house structure. 2. Fix the support of outdoor unit on the sele- Step 3: cted location with expansion screws.
  • Page 16 Step 6: 4. Tighten the union nut with torque wrench Neaten the pipes by referring to the sheet below. 1. The pipes should be placed along the wall, bent Hex nut diameter Tightening torque(ft-l reasonably and hidden possibly. Min. semidiam- 1/4'' 11.06~14.75 eter of bending the pipe is 10cm.
  • Page 17 Test and operation Check after installation ● Check according to the following requirement Use vacuum pump after finishing installation. 1. Remove the valve caps on the liquid valve and Items to be checked Possible malfunction gas valve and the nut of refrigerant charging vent. 2.
  • Page 18 Configuration of connection pipe Additional refrigerant charging amount for R22, R407C, R410A and R134a 1. Standard length of connection pipe: 5m, 7.5m, 2. Min. length of connection pipe is 3m. 3. Max. length of connection pipe is shown as below. Max.
  • Page 19 C: Put on suitable insulating pipe BMKH18P/O BMKH24P/O D: Put on the union nut ● Remove the union nut on the indoor connection pipe and outdoor valve; union pipe install the union nut on...
  • Page 20 BMKH18P/O BMKH24P/OO Indoor side Outdoor side DB/WB(°C/°F) DB/WB(°C/°F) Maximum 26.7/19.4 50/24 cooling (80/67 ) (122/ 75) Maximum 26.7/- 30/18 heating (80/-) (86/65) NOTE ● The operating temperature range (outdoor tempera- ture) for cooling is -29°C(-20°F)~50°C(122°F); for heat pump unit is -30°C(-22°F) ~ 50°C(122°F).
  • Page 21 600005065340...
  • Page 22 Owner's Manual Original Instructions Cassette Type Air Conditioner Thank you for choosing our product. Please read this Owner’s Manual carefully before operation and retain it for future reference. If you have lost the Owner's Manual, please contact the local agent at 800-865-5931 or visit www.alpinehomeair.com.
  • Page 23 BMKH12MCC BMKH18MCC � - - - - - - - - - - - - - - - - - � /...
  • Page 24 Contents 1 Safety Precautions ..................1 2 Outline of the Unit and Main Parts..............3 3 Operation of remote controller.................4 1. Buttons on remote controller ..............4 2. Introduction for icons on display screen............. 4 3. Introduction for buttons on remote controller..........5 4.
  • Page 25 DC Inverter Free match Series Cassette Type Unit 1 Safety Precautions This mark indicates procedures which, if improperly performed, might lead WARNING! to the death or serious injury of the user. This mark indicates procedures which, if improperly performed, might CAUTION! possibly result in personal harm to the user, or damage to property.
  • Page 26 DC Inverter Free match Series Cassette Type Unit WARNING! (14) During pump-down, stop the compressor before removing the refrigerant piping. If the compressor is still running and the stop valve is open during pump-down, air will be sucked in when the refrigerant piping is removed, causing abnormal pressure in the freezer cycle which will lead to breakage and even injury.
  • Page 27 DC Inverter Free match Series Cassette Type Unit 2 Outline of the Unit and Main Parts Indoor 1. Drainage device 2. Drainage pipe Outdoor 4. Connection pipe Air inlet 5. Wired Controller 6. Wireless Controller 7. Big handle 8. Liquid Pipe 9.
  • Page 28 T-ON / T-OFF button I FEEL button CLOCK button SLEEP button X-FAN button button Not applicable with Blueridge LIGHT button TEMP button 3.2 Introduction for icons on display screen Set fan speed fan speed. It’s displayed only after turning it on.)
  • Page 29 DC Inverter Free match Series Cassette Type Unit 3. Introduction for buttons on remote controller Note: ● This is a general use remote controller, it could be used for the air conditioners with multifunction; For some function, which the model doesn't have, if press the corresponding button on the remote controller that the unit will keep the original running status.
  • Page 30 DC Inverter Free match Series Cassette Type Unit Note: ● For preventing cold air, after starting up heating mode, indoor unit will delay 1~5 minutes to blow air (actual delay time is depend on indoor ambient temperature). ● Set temperature range from remote controller: 61- 86°F (16~30℃);...
  • Page 31 DC Inverter Free match Series Cassette ype Unit button Press this button can select left & right swing angle. Fan blow angle can be selected circularly as below: no display Note: (stops at current position) ● Press this button continuously more than 2s, the main unit will swing back an forth from left to right, and then loosen the button, the unit will stop swinging and present position of guide louver will be kept immediately.
  • Page 32 DC Inverter Free match Series Cassette Type Unit T-ON / T-OFF button ● T-ON button "T-ON" button can set the time for timer on. After pressing this button, " " icon disappears and the word "ON" on remote controller blinks. Press "▲" or "...
  • Page 33 ● Having set X FAN function off: After turning off the unit by pressing ON/OFF button, the complete unit will be off directly. Not applicable with Blueridge button Press this button to achieve the on and off of health and scavenging functions in LCD displays "...
  • Page 34 DC Inverter Free match Series Cassette Type Unit LIGHT button Press this button to turn off display light on indoor unit. " " icon on remote controller disappears. Press this button again to turn on display light. " " icon is displayed.
  • Page 35 DC Inverter Free match Series Cassette Type Unit be adjusted. ● Under energy-saving function, set temperature can’t be adjusted. Press "TURBO" button and the remote controller won’t send signal. ● Sleep function and energy-saving function can’t operate at the same time. If energy-saving function has been set under cooling mode, press sleep button will cancel energy-saving function.
  • Page 36 Child Lock Function Press "▲" and " " simultaneously to turn on or turn off child lock function. When child lock function is on, " " icon is displayed on remote controller. If you operate the remote controller, the " "...
  • Page 37 DC Inverter Free match Series Cassette Type Unit About Back-lighting Function 3.5 Operation guide After putting through the power, press "ON/OFF" button on remote controller to turn on the air conditioner. Press "MODE" button to select your required mode: AUTO, COOL, DRY, FAN, HEAT.
  • Page 38 DC Inverter Free match Series Cassette Type Unit 4 Preparative for Installation 1. Standard Accessory Parts The standard accessory parts listed below are furnished and should be used as required. Table 1 Indoor Unit Accessories Name Appearance Q'ty Usage To connect with the hard PVC drain Drain Hose pipe Nut with Washer...
  • Page 39 DC Inverter Free match Series Cassette Type Unit 4.2.1 Indoor Unit Select an installation site where the following conditions are fulfilled and that meets your customer’s approval. (1) Obstruct should be put away from the intake or outlet vent of the indoor unit so that the (2) Make sure that the installation meets the requirement of the schematic diagram of installation spaces.
  • Page 40 DC Inverter Free match Series Cassette Type Unit Table 3 Size of Fitting Max. Max. Height Drainage Item Pipe(Inch) Pipe Difference between pipe(Outer Length Indoor Unit and Diameter × wall Model Liquid (ft) Outdoor Unit (ft) thickness) (in) BMKH12MCC 3/8'' Φ0.25×0.059 1/4'' BMKH18MCC...
  • Page 41 DC Inverter Free match Series Cassette Type Unit 5 Installation of the Unit 1. Installation of the Indoor Unit Indoor unit dimension For the units: 12-18k Fig.3 Table 5 Unit: in Item Model BMKH12MCC 26.37 26.22 23.62 19.48 5.70 9.44 22.44 22.44 BMKH18MCC...
  • Page 42 DC Inverter Free match Series Cassette Type Unit 5.1.2 Installing the Main Body Unit Fig.4 (1). Install the hoisting stand on the hoisting screw by using nuts and gaskets at both the upper and lower sides of the hoisting stand. To prevent the gasket from breaking off, a gasket anchor board can be helpful.
  • Page 43 DC Inverter Free match Series Cassette Type Unit 5.1.4 Leveling The water level test must be done after installing the indoor unit to make the unit is horizontal, as shown below. Fig.8 2. Installation of the Connection Pipe Flare Processing (1) Cut the connection pipe with the pipe cutter and remove the burrs.
  • Page 44 DC Inverter Free match Series Cassette Type Unit 5.2.2 Bending Pipes (1). The pipes are shaped by your hands. Be careful not to collapse them. Fig.10 (2). Do not bend the pipes in an angle more than 90°. Pipe Heat insulating (3).
  • Page 45 DC Inverter Free match Series Cassette Type Unit hand tight and then tighten it with the spanner. Refer to Table to check if the wrench has been tightened properly (too tight would mangle the nut and lead to leakage). Examine the connection pipe to see if it leaks, then take the treatment of heat insulation, as shown in the Fig.12.
  • Page 46 DC Inverter Free match Series Cassette Type Unit 5.2.4 Connecting the Pipe at the Outdoor Side Unit connector. The tightening method is the same as that as at the indoor side. 5.2.5 Checking the Pipe Connections for Gas Leaking For both indoor and outdoor unit side, check the joints for gas leaking by the use of a gas leakage detector without fail when the pipes are connected.
  • Page 47 DC Inverter Free match Series Cassette Type Unit If the outdoor unit is installed higher than the indoor unit (See Fig.16) (1) Taping should be done from lower to the upper part. (2) All pipes are bound and taped together and also should be trapped to prevent water from returning to the room.
  • Page 48 DC Inverter Free match Series Cassette Type Unit (7) Slightly open the liquid valve and let some refrigerant go to the connection pipe to balance the pressure inside and outside of the connection pipe, so that air will not come into the connection pipe when removing the hose.
  • Page 49 DC Inverter Free match Series Cassette Type Unit 5.4 Installation of the Drain Pipe (1) It is not allowed to connect the condensate drain pipe into waste pipe or other pipelines which are likely to produce corrosive or peculiar smell to prevent the smell from entering indoors or corrupt the unit.
  • Page 50 DC Inverter Free match Series Cassette Type Unit (3). When unifying multiple drain pipes, install the pipes as Fig.20. Select converging drain pipes whose gauge is suitable for the operating capacity of the unit.(take the cassette type unit for example) T-joint converging drain pipes T-joint converging drain pipes Fig.20...
  • Page 51 DC Inverter Free match Series Cassette Type Unit 3-way connection of drainage pipe joint Connection of drain elbow Connection of horizontal pipe Fig.25 Fig.26 Fig.24 5.4.3 Precautions When Doing Riser Piping Work (1). Make sure that heat insulation work is executed on the following 2 spots to prevent any possible water leakage due to dew condensation.
  • Page 52 DC Inverter Free match Series Cassette Type Unit 5.4.4 Testing of Drain Piping Shown in the Fig.30, Add approximately 1 liter of water slowly into the drain pan and check Drain hose Test hole cover Drain vent for repair use (plastic stopper is included) (drain the water in waterspoit by this outlet vent) Test hole...
  • Page 53 DC Inverter Free match Series Cassette Type Unit (3). If gap still exists between ceiling and decoration panel after tightening the screws, readjust the height of the indoor unit. (Fig.33) Fig.33 Fig.34 (4). Fig.34 5.5.2 Installing the Panel (1). (2) Latch other two hooks. (3) Tighten four hexagonal screws under the latches about 0.6in.
  • Page 54 DC Inverter Free match Series Cassette Type Unit Fig.35 6. Electrical Wiring Wiring Precautions WARNING! ① . Before obtaining access to terminals, all supply circuits must be disconnected. ② . The rated voltage of the unit is as shown as Table 4 ③...
  • Page 55 DC Inverter Free match Series Cassette Type Unit CAUTION! ① . The power source capacity must be the sum of the air conditioner current and the current of other capacity. ② . raise the voltage. 5.6.2 Electrical Wiring (1). For solid core wiring (Fig.36) 1) Cut the wire end with a wire cutter or wire-cutting pliers, then strip the insulation about 25 mm (15/16") .
  • Page 56 DC Inverter Free match Series Cassette Type Unit After passing the connection cord fasten it with the cord clamp.(Fig.38) WARNING! ① . Before starting work, check that power is not being supplied to the indoor unit and outdoor unit. ② . Match the terminal block numbers and connection cord colors with those of the indoor unit side. ③...
  • Page 57 DC Inverter Free match Series Cassette Type Unit (5). Electric wiring of indoor unit side Remove the electric box cover from the electric box sub-assy and then connect the wire. 12、18k: Seal here to avoid leakage Power supply terminal board 24k: Power supply terminal board...
  • Page 58 DC Inverter Free match Series Cassette Type Unit CAUTION! ① . Tighten the power cord respectively on the terminal boards with ② . If the power supply are wired incorrectly, the air conditioner may be damaged. ③ . Connect the indoor unit connection cord properly based on the corresponding marks as shown in Fig.39.
  • Page 59 DC Inverter Free match Series Cassette Type Unit Table 8 Number Error code Error Compressor high pressure protection Indoor anti-freeze protection Compressor low pressure protection, refrigerant lack protection and refrigerant colleting mode Compressor high discharge temperature protection AC over-current protection Communication error Mode conflict Anti-high temperature protection...
  • Page 60 DC Inverter Free match Series Cassette Type Unit (2). Instructions to the Error Indicating Lamps on the Panel of the Cassette Type Unit. Receiver "88" Display "Auto" Button Timer Power "Test" Button Indicating Lamp Indicating Lamp Fig.40 Power and ON/OFF Indicating Lamp: ◆...
  • Page 61 DC Inverter Series Cassette Type Unit Troubleshooting and Maintenance .1 Troubleshooting following points before repair: Table 10 Failure Possible Reasons The power supply is not connected. ① . Electrical leakage of air-conditioning unit causes tripping of the leakage ② . switch.
  • Page 62 DC Inverter Free match Series Cassette Type Unit 8.2 Routine Maintenance Only a qualified service person is allowed to perform maintenance. Before accessing to terminal devices, all power supply circuits must be disconnected. Do not use water or air of 122℉ or higher for cleaning air filters and outside panels. Notes: Do not operate the air conditioner with the filter uninstalled, otherwise dust would come into ①...
  • Page 63 DC Inverter Free match Series Cassette Type Unit 2. Disassemble the air inlet grille Open the air inlet grille at 45°, raise it and remove the grille. 3. Disassemble the filter screen Draw out the filter screen and remove it. Filter screen 4.
  • Page 64 Owner's Manual Original Instructions Floor Ceiling Type Air Conditioner Thank you for choosing our product. Please read this Owner’s Manual carefully before operation and retain it for future reference. If you have lost the Owner's Manual, please contact the local agent at 800-865-5931 or visit www.alpinehomeair.com.
  • Page 65 BMKH18MFCC BMKH24MFCC...
  • Page 66 Contents Safety Precautions............... 1 Outline of the Unit and Main Parts ........2 Operation of remote controller..........3 Buttons on remote controller ..........3 Introduction for icons on display screen........3 Introduction for buttons on remote controller......4 Function introduction for combination buttons......9 5. Operation guide..............11 6.
  • Page 67 Floor Ceiling Type Unit 1 Safety Precautions This mark indicates procedures which, if improperly performed, might lead to WARNING! the death or serious injury of the user. This mark indicates procedures which, if improperly performed, might CAUTION! possibly result in personal harm to the user, or damage to property. WARNING! (1).
  • Page 68 Floor Ceiling Type Unit 2 Outline of the Unit and Main Parts Fig.1 Notes: The connection pipe and duct for this unit should be prepared by the user.
  • Page 69 I FEEL button CLOCK button SLEEP button X-FAN button (Note: X-FAN is the same with BLOW.) button Not applicable with Blueridge LIGHT button TEMP button 3.2 Introduction for icons on display screen Set fan speed fan speed. It’s displayed only after turning it on.)
  • Page 70 Floor Ceiling Type Unit 3.3 Introduction for buttons on remote controller Note: ● This is a general use remote controller, it could be used for the air conditioners with multifunction; For some function, which the model doesn't have, if press the corresponding button on the remote controller that the unit will keep the original running status.
  • Page 71 Floor Ceiling Type Unit Note: ● For preventing cold air, after starting up heating mode, indoor unit will delay 1~5 minutes to blow air (actual delay time is depend on indoor ambient temperature). ● Set temperature range from remote controller: 16~30℃(61-86°F);...
  • Page 72 Floor Ceiling Type Unit button Press this button can select left & right swing angle. Fan blow angle can be selected circularly as below: no display Note: (stops at current position) ● Press this button continuously more than 2s, the main unit will swing back an forth from left to right, and then loosen the button, the unit will stop swinging and present position of guide louver will be kept immediately.
  • Page 73 Floor Ceiling Type Unit T-ON / T-OFF button ● T-ON button "T-ON" button can set the time for timer on. After pressing this button, " " icon disappears and the word "ON" on remote controller blinks. Press "▲" or " "...
  • Page 74 ● Having set X FAN function off: After turning off the unit by pressing ON/OFF button, the complete unit will be off directly. button Not applicable with Blueridge Press this button to achieve the on and off of healthy and scavenging functions in LCD displays "...
  • Page 75 Floor Ceiling Type Unit LIGHT button Press this button to turn off display light on indoor unit. " " icon on remote controller disappears. Press this button again to turn on display light. " " icon is displayed. TEMP button By pressing this button, you can see indoor set temperature, indoor ambient temp- erature or outdoor ambient temperature on indoor unit’s display.
  • Page 76 Floor Ceiling Type Unit be adjusted. ● Under energy-saving function, set temperature can’t be adjusted. Press "TURBO" button and the remote controller won’t send signal. ● Sleep function and energy-saving function can’t operate at the same time. If energy-saving function has been set under cooling mode, press sleep button will cancel energy-saving function.
  • Page 77 Floor Ceiling Type Unit About Back-lighting Function 3.5 Operation guide After putting through the power, press "ON/OFF" button on remote controller to turn on the air conditioner. Press "MODE" button to select your required mode: AUTO, COOL, DRY, FAN, HEAT. Press "▲"...
  • Page 78 Floor Ceiling Type Unit 4 Preparative for Installation 1. Standard Accessory Parts The standard accessory parts listed below are furnished and should be used as required. Table 1 Indoor Unit Accessories Name Appearance Q'ty Usage To fix the hook on the Nut with Washer cabinet of the unit.
  • Page 79 Floor Ceiling Type Unit 4.2.1 Indoor Unit (1). Install the unit at a place where is strong enough to withstand the weight of the unit. The air inlet and outlet of the unit should never be clogged so that the (2).
  • Page 80 Floor Ceiling Type Unit Table 2 Indoor unit Max. Height Max. Drainage Size of Fitting Pipe(Inch) Difference Item Pipe pipe(Outer between Indoor Length Diameter × Unit and Outdoor Model wall thickness) Liquid Unit (m) (in) BMKH09MFCC Φ0.625×0.068 BMKH12MFCC Φ0.625×0.068 BMKH18MFCC Φ0.625×0.068 Φ0.625×0.068 BMKH24MFCC...
  • Page 81 Floor Ceiling Type Unit 5 Installation of the Unit 1. Installation of the Indoor Unit Indoor unit dimension WARNING ! ①. Install the indoor unit in a location which can withstand a load of at least five times the weight of the main unit and which will not amplify sound or vibration. ②.
  • Page 82 Floor Ceiling Type Unit Table 4 Unit: in Model BMKH09MFCC 34.25 9.25 31.96 12.51 26.18 BMKH12MFCC BMKH18MFCC BMKH24MFCC 47.24 9.25 44.96 12.51 26.18 5.1.2 Preparation for Installing the Indoor Unit Open the air inlet grille and the screw cover, and remove the screws. (1).
  • Page 83 Floor Ceiling Type Unit Adjust the height of the unit to make the drain pipe slant slightly downward so that the drainage will become much smoother. Floor type ◆ Fig. 5 Ceiling type ◆ Fig. 6 (6). Reinstall and tighten the right and left side panel.
  • Page 84 Floor Ceiling Type Unit 5.1.4 Leveling The water level test must be done after installing the indoor unit to make the unit is horizontal, as shown below. Fig. 7 2. Installation of the Connection Pipe Flare Processing Cut the connection pipe with the pipe cutter and remove the burrs. (1).
  • Page 85 Floor Ceiling Type Unit 5.2.2 Bending Pipes (1). The pipes are shaped by your hands. Be careful not to collapse them. Fig. 9 Do not bend the pipes in an angle more than 90°. (2). When pipes are repeatedly bent or stretched, the material will harden, (3).
  • Page 86 Floor Ceiling Type Unit 5.2.3 Connecting the Pipe at the Indoor Unit Side Detach the caps and plugs from the pipes. CAUTION! Be sure to apply the pipe against the port on the indoor unit correctly. If the centering is ①.
  • Page 87 Floor Ceiling Type Unit Pipe Diameter Tightening Torque 1/4〞（Inch） 15-30 (N·m) 3/8〞（Inch） 35-40 (N·m) 1/2〞（Inch） 45-50 (N·m) 5/8〞（Inch） 60-65 (N·m) 3/4〞（Inch） 70-75 (N·m) 7/8〞（Inch） 80-85 (N·m) CAUTION! Be sure to connect the gas pipe after connecting the liquid pipe completely. 5.2.4 Connecting the Pipe at the Outdoor Side Unit Tighten the flare nut of the connection pipe at the outdoor unit valve connector.
  • Page 88 Floor Ceiling Type Unit 5.2.7 Liquid Pipe and Drain Pipe If the outdoor unit is installed lower than the indoor unit. (See Fig. 15) 1) A drain pipe should be above ground and the end of the pipe does not dip into water. All pipes must be restrained to the wall by saddles.
  • Page 89 Floor Ceiling Type Unit 5.3.1 Vacuum Remove the caps of the liquid valve, gas valve and also the service port. (1). Connect the hose at the low pressure side of the manifold valve assembly (2). to the service port of the unit’s gas valve, and meanwhile the gas and liquid valves should be kept closed in case of refrigerant leak.
  • Page 90 Floor Ceiling Type Unit Fig. 17 Note: For the large-sized unit, it has the service port for both the gas valve and the liquid valve. During evacuation, it is available to connect two hoses of the manifold valve assembly to two service ports to quicken the evacuating speed.
  • Page 91 Floor Ceiling Type Unit (1). Keep piping as short as possible and slope it downwards at a gradient of at least 1/100 so that air may not remain trapped inside the pipe. Keep pipe size equal to or greater than that of the connecting pipe. (2).
  • Page 92 Floor Ceiling Type Unit Fig. 21 Fig. 22 Fig. 23 Tighten the clamp until the screw head is less than 4 mm from the hose. (Fig. ①- Metal clamp ②- Drain hose ③- Grey tape Insulate the pipe clamp and the drain hose using heat insulation sponge. (Fig. ①- Metal clamp ②- Insulation sponge (1).
  • Page 93 Floor Ceiling Type Unit Fig. 24 5.4.4 Testing of Drain Piping After piping work is finished, check if drainage flows smoothly. As shown in the Figure, pour water into the drain pan from the right side to check that water flows smoothly from the drain hose. Fig.
  • Page 94 Floor Ceiling Type Unit ⑤. The special branch circuit breaker is installed in the permanent wiring. Always use a circuit that can trip all the poles of the wiring and has an isolation distance of at least 3 mm between the contacts of each pole. ⑥.
  • Page 95 Floor Ceiling Type Unit Fig. 26 Fig. 27 Fig. 28 (3). How to fix connection cord and power cord by cord clamp After passing the connection cord fasten it with the cord clamp. (Fig. 28) WARNING! ①. Before starting work, check that power is not being supplied to the indoor unit and outdoor unit.
  • Page 96 Floor Ceiling Type Unit (4). Electric wiring between the indoor and outdoor units Single-phase units (9~24k) N(1) green white black (yellow- (brown) (blue) green) Outdoor unit connection...
  • Page 97 Floor Ceiling Type Unit (5). Electric wiring of indoor unit side Remove the left cover plate and the electric box cover then insert the end of the communication cord and the power cable into the terminal board. Electric box cover Left side panel Fig.
  • Page 98 Floor Ceiling Type Unit 7 Test Running 1. Trial Operation and Testing The meaning of error codes as shown below: (1). Table 7 Number Error code Error Compressor high pressure protection Indoor anti-freeze protection Compressor low pressure protection, refrigerant lack protection and refrigerant colleting mode Compressor high discharge temperature protection AC over-current protection...
  • Page 99 Floor Ceiling Type Unit States of the Indicating Lamps: ①. Indicating Lamp of “POWER”: The indicating lamp will shine when power on, while it will go out when power off. ②. Indicating Lamp of “COOL” : The indicating lamp will shine when “COOL” is activated, while it will go out when “COOL”...
  • Page 100 Floor Ceiling Type Unit ① ② ③ ④ ① ② ③ (114.8°F). ① ② ③ ④ ⑤ ⑥ ⑦ ① ② ③ ④ (23°F). ⑤ ⑥ Note:...
  • Page 101 Floor Ceiling Type Unit 8.2 Routine Maintenance WARNING! Do turn off the unit and cut off the main power supply when cleaning the air conditioner, ①. otherwise electric shock may happen. Do not make the air conditioner wet or electric shock may be lead; Ensure that the air ②.
  • Page 102 66129936096...

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