Page 2 - Multi-zone Cassette B
Multi-zone Cassette B Installation, Service & Troubleshooting Models: CAS12HP230V1BC CAS18HP230V1BC CAS24HP230V1BC
Page 4 - Appendix 1: Reference Sheet of Celsius and Fahrenheit
Service Manual Table of Contents Appendix: ........................................................................................................................49 Appendix 1: Reference Sheet of Celsius and Fahrenheit ....................................................49 Appendix 2: Configuration...
Page 5 - Part; Indoor Unit
1 Technical Information Service Manual 1. Summary Part Ⅰ : Technical Information Indoor Unit CAS12HP230V1BCCAS18HP230V1BC CAS24HP230V1BC Remote Controller YAP1FFB
Page 6 - Specification Sheet
2 Technical Information Service Manual Parameter Unit Value Model CAS12HP230V1BC CAS18HP230V1BC Product Code CN510N0190_X20047 CN510N0210_X20047 Power Supply Rated Voltage V ~ 208/230 208/230 Rated Frequency Hz 60 60 Phases 1 1 Cooling Capacity Btu/h 12000 14400 Heating Capacity Btu/h 13000 16000 Ai...
Page 8 - Note: Nominal capacities are based on the follow conditions.
4 Technical Information Service Manual Note: Nominal capacities are based on the follow conditions. Mode Indoor ( ) Outdoor ( ) Cooling DB:80.6(27) DB:95(35) WB:66.2(9) WB:75.2(24) Heating DB:68 (20) DB:44.6(7) WB:--(--) WB:42.8(6) Piping Length 3/16 inch The air volume is measured at the relevant s...
Page 9 - Outline Dimension Diagram
5 Technical Information Service Manual 3. Outline Dimension Diagram CAS24HP230V1BC CAS12HP230V1BC CAS18HP230V1BC Item Model A B C D E F G CAS12HP230V1BCCAS18HP230V1BCCAS24HP230V1BC 26 3/8 26 1/4 23 5/8 19 1/2 5 11/16 9 7/16 23 7/16 37 3/8 33 1/16 30 11/16 26 3/4 5 11/16 9 7/16 - Unit: inch
Page 10 - Refrigerant System Diagram
6 Technical Information Service Manual 4. Refrigerant System Diagram
Page 11 - ● Indoor Unit
7 Technical Information Service Manual LURQVKHOOPRWRU RQO\DSSOLHVWRWKH 1RWH0RWRUJURXQG / / (/(&75,&%2; * %1 %. %8 $&/ &20287 5'%1 ;7 1 1 78%(7(03 52207(03 6(1625 6(1625 78%( . 5220 $3φ35,17('&,5&8,7%2$5' 287'22581,7 :+%8 %. *1<(*1 3803 7(50,1$/ %/2&. . 0 :$7(53803 ...
Page 13 - PCB Printed Diagram
9 Technical Information Service Manual 5.2 PCB Printed Diagram 1 2 3 4 5 6 7 8 9 10 12 11 13 16 14 15 No. Name 1 Interface of fan 2 Interface of live wire Fuse 34 Interface of netural wire 5 Air terminal 6 Terminal with outdoor unit communication wire 7 Water pump control 8 Interface of ambient temp...
Page 14 - Function and Control; Remote Controller Introduction; Introduction for icons on display screen
10 Technical Information Service Manual 6. Function and Control 6.1 Remote Controller Introduction Send signal Turbo mode 8 ć heating function Switch temperature displaying type on the unit’s display Set time T-ON /T-OFF Child lock Up & down swing Left & right swing Sleep mode Clock Heat mod...
Page 17 - Energy-saving function
13 Technical Information Service Manual 13. button Press this button to achieve the on and off of healthy and scavenging functions in LCD displays " ". Press the button for the second time to start healthy and scavenging functions simultaneously; LCD displays " " and " ". Pre...
Page 18 - Operation guide
14 Technical Information Service Manual . 1. After putting through the power, press "ON/OFF" button on remote controller to turn on the air conditioner. 2. Press "MODE" button to select your required mode: AUTO, COOL, DRY, FAN, HEAT. 3. Press "▲" or " " button to set ...
Page 19 - Brief Description of Modes and Functions
15 Technical Information Service Manual 6.2 Brief Description of Modes and Functions 1.Basic function of system(1)Cooling mode (1) Under this mode, fan and swing operates at setting status. Temperature setting range is 61-86°F(16~30 O C). (2) During malfunction of outdoor unit or the unit is stopped...
Page 20 - (11)Ambient temperature display control mode
16 Technical Information Service Manual (8)I feel control mode After controller received I feel control signal and ambient temperature sent by remote controller, controller will work according to the ambient temperature sent by remote controller. (9)Compulsory defrosting function (1) Start up compul...
Page 22 - Notes for Installation and Maintenance; Warnings
18 Technical Information Service Manual 1. Select the installation location according to the require- ment of this manual.(See the requirements in installation part) 2. Handle unit transportation with care; the unit should not be carried by only one person if it is more than 20kg. 3. When installing...
Page 23 - Safety Precautions for Installing and Relocating the Unit:; To ensure safety, please be mindful of the following precautions.; that their terminals receive no external stresses.
19 Technical Information Service Manual Part Ⅱ : Installation and Maintenance Safety Precautions for Installing and Relocating the Unit: Warnings To ensure safety, please be mindful of the following precautions. 1. When installing or relocating the unit, be sure to keep the refrigerant circuit free ...
Page 24 - Main Tools for Installation and Maintenance; Electronic leakage detector
20 Installation and Maintenance Service Manual Main Tools for Installation and Maintenance 1. Level meter, measuring tape 4. Electroprobe 7. Electronic leakage detector 10. Pipe pliers, pipe cutter 2. Screw driver 5. Universal meter 8. Vacuum pump 11. Pipe expander, pipe bender 3. Impact drill, dril...
Page 25 - Installation Dimension Diagram; Indoor
21 Installation and Maintenance Service Manual 8. Installation 8.1 Installation Dimension Diagram Indoor 2 3 4 1
Page 26 - Preparative for Installation; Standard Accessory Parts; Table 1; Selection of the Installation Location; Decide the installation location with the customer as follows:
22 Installation and Maintenance Service Manual 8.2 Preparative for Installation 8. 2.1 Standard Accessory Parts The standard accessory parts listed below are furnished and should be used as required. Table 1 Indoor Unit Accessories No. Name Appearance Q'ty Usage 1 Drain Hose 1 To connect with the ha...
Page 27 - Installation of Cassette Type
23 Installation and Maintenance Service Manual 8.3 Installation of Cassette Type 8.3.1. Before Installation After receiving the machine, please check for any transport damage. If finding any surface or internal damage, please immediately report to the transport company or equipment company in writin...
Page 28 - The water level test must be done after installing the indoor unit; Installation of the Connection Pipe
24 Installation and Maintenance Service Manual 1 Pipe CutterCutt line Heat insulating pipe 8.4.2 Bending Pipes (1). The pipes are shaped by your hands. Be careful not to collapse them. (2). Do not bend the pipes in an angle more than 90°. (3). When pipes are repeatedly bent or stretched, the materia...
Page 29 - f the outdoor unit is installed lower; Connecting the Pipe at the Indoor Unit Side; Table 4
25 Installation and Maintenance Service Manual 1 Pipe CutterCutt line Heat insulating pipe 8.4.7 Liquid Pipe and Drain Pipe I f the outdoor unit is installed lower than the indoor unit (See Fig.132)(1). A drain pipe should be above ground and the end of the pipe does not dip into water. All pipes mu...
Page 30 - Installation of the Drain Hose
26 Installation and Maintenance Service Manual Extension drain piping (commercially available) Insulating tube (commercially available) Indoor unit drain hose Insulating tape (accessory) 12 A 1 2 3 During the installation, distance from soft drain pipe to the gasket is Amm when the bolt is tightened...
Page 31 - Precautions When Doing Riser Piping Work; The Panel Installation
27 Installation and Maintenance Service Manual (3). When unifying multiple drain pipes, install the pipes as Fig.16. Select converging drain pipes whose gauge is suitable for the operating capacity of the unit.(take the cassette type unit for example) 100 mm T-joint converging drain pipes 0~675 mm T...
Page 32 - Electrical Wiring
28 Installation and Maintenance Service Manual (3). If gap still exists between ceiling and decoration panel after tightening the screws, readjust the height of the indoor unit. (Fig.29) Fig.29 Fig.30 (4). Fig.30 (1). . (2). Latch other two hooks.(3). Tighten four hexagonal screws under the latches ...
Page 33 - Outdoor unit connection; Installation of Controrllers
29 Installation and Maintenance Service Manual (6). Electric wiring between the indoor and outdoor unitsSingle-phase units(12~24k) Outdoor unit connection N(1) 2 3 white (blue) red (brown) black green (yellow- green WARNING! ķ Before starting work, check that power is not being supplied to the indoo...
Page 35 - Troubleshooting for Main Malfunction; Malfunction of Temperature Sensor F1, F2
31 Installation and Maintenance Service Manual 9.2 Troubleshooting for Main Malfunction ●Indoor unit: 1. Malfunction of Temperature Sensor F1, F2 Main detection points:● Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted?● Is there short circuit due...
Page 36 - Malfunction of Blocked Protection of IDU Fan Motor H6; Start
32 Installation and Maintenance Service Manual 2. Malfunction of Blocked Protection of IDU Fan Motor H6 END No Yes No Yes No Yes Yes Yes No No No Yes Yes No Turn the fan blades by hand under power-off condition Whether the fan blades can run smoothly? Adjust the motor and blade assembly so that roto...
Page 37 - Malfunction of Protection of Jumper Cap C5
33 Installation and Maintenance Service Manual 3. Malfunction of Protection of Jumper Cap C5 Main detection points:● Is there jumper cap on the mainboard?● Is the jumper cap inserted correctly and tightly?● The jumper is broken?● The motor is broken?● Detection circuit of the mainboard is defined ab...
Page 38 - Communication malfunction E6
34 Installation and Maintenance Service Manual 4. Communication malfunction E6 Start Cut off power supply. Check ifconnection line of IDU and ODU and the wire inside electric box are correctly connected. Correct connection? Main board matches with display board? Main board of IDU matches with that o...
Page 40 - Full Water Protection E9
36 Installation and Maintenance Service Manual 6. Full Water Protection E9
Page 41 - Maintenance Method for Normal Malfunction
37 Installation and Maintenance Service Manual Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Set temperature is improper Observe the set temperature on remote controller Adjust the set temperature Rotation speed of the IDU fan motor is set too low Small wind blow Set...
Page 42 - Abnormal Sound and Vibration
38 Installation and Maintenance Service Manual 7. Abnormal Sound and Vibration Possible causes Discriminating method (air conditioner status) Troubleshooting When turn on or turn off the unit, the panel and other parts will expand and there's abnormal sound There's the sound of "PAPA" Normal...
Page 43 - Exploded View and Parts List
39 Installation and Maintenance Service Manual 10. Exploded View and Parts List The component picture is only for reference; please refer to the actual product. CAS12HP230V1BC
Page 49 - Removal Procedure
45 Installation and Maintenance Service Manual 11. Removal Procedure Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal. 3. Unscrew the centrifugal fan. Use a wrench to unscrew the centrifugal fan. 1. Unsc...
Page 53 - Set temperature; Appendix 2: Configuration of Connection Pipe
49 Installation and Maintenance Service Manual Appendix: Appendix 1: Reference Sheet of Celsius and Fahrenheit Set temperature Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1 . 8+32 Ambient temperature Fahrenheit display temperature ( o F) Fahrenheit ( o F) Celsius( o C) Fahrenh...
Page 54 - expand the pipe according to the following steps:; Appendix 3: Pipe Expanding Method
50 Installation and Maintenance Service Manual F:Inspection● Check the quality of expanding port. If there is any blemish, expand the port again according to the steps above. The length is equal Improper expanding leaning damaged surface crack uneven thickness Smooth surface Downwards Pipe Shaper Un...
Page 55 - Appendix 4: List of Resistance for Temperature Sensor
51 Installation and Maintenance Service Manual Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor (15K) Temp( o C) Resistance(kΩ) Temp( o C) Resistance(kΩ) Temp( o C) Resistance(kΩ) Temp( o C) Resistance(kΩ) -19 138.1 20 18.75 ...
