Owner’s Manual - B-VMH09,12,18CU-1 CONTENTS IMPORTANT SAFETY INFORMATION...................2 HINTS FOR ECONOMICAL OPERATION................3 PART NAMES...........................3 MANUAL OPERATION......................10 ADJUSTING AIR FLOW DIRECTION..................11 MAINTENANCE........................12 AIR CONDITIONER OPERATIONS AND PERFORMANCE............14 INSTALLATION........................15 TROUBLESHOOTING......................16 TROUBLESHOOTING (CONCERNING REMOTE CONTROLLER)........16 WARRANTY...........................19 IMPORTANT SAFETY INFORMATION CAUTION Danger Do not attempt to install this unit by yourself. This unit requires installation by qualified persons. DANGER Do not attempt to service the unit yourself.
Owner’s Manual - B-VMH09,12,18CU-1 HINTS FOR ECONOMICAL OPERATION The following should be noticed to ensure an economical operation. (Refer to corresponding chapter for details) Adjust the air flow direction properly to avoid winding toward your body. Adjust the room temperature properly to get a comfortable environment and to avoid supercooling and superheat.
Page 4
Owner’s Manual - B-VMH09,12,18CU-1 Duct and Ceiling Type NOTICE! This chart is based on 24000Btu/h type. So, a few differences may exist on the outlook and functions from yours. NAMES AND FUNCTIONS a) indoor unit b) outdoor unit c) remote controller d) air-in e) air-out f ) air outlet...
Page 5
Owner’s Manual - B-VMH09,12,18CU-1 For Slim DUCT with air inlet box Type Display Panel NAMES AND FUNCTIONS remote Controller outdoor unit indoor unit air- inlet air-outlet air-out connecting pipe heat exchanger drain hose E-Box temporary button infrared signal receiver operation lamp PRE./DEF.
Page 6
Owner’s Manual - B-VMH09,12,18CU-1 Four-way Cassette (slim) Type Control board 10 10 Indoor Unit Assy Manual OPERATION TIMER DEF./FAN. ALARM OPERATION TIMER DEF./FAN. ALARM NOTE: These three indication lamps flash in cycles when solar PV ECO function is activated.(Applicable to the unit adopts solar photovoltaic system only.) Inlet Outlet...
Page 7
Owner’s Manual - B-VMH09,12,18CU-1 Ceiling & Floor Type (for VERTICAL DISCHARGE AIR CONDITIONER) Display Panel NOTICE! The chart based on one model of our product is for reference only, which may be different from the unit you purchased. NAMES AND FUNCTIONS remote controller outdoor unit indoor unit...
Page 8
Owner’s Manual - B-VMH09,12,18CU-1 Ceiling & Floor Type Display Panel NOTICE! The chart based on one model of our product is for reference only, which may be different from the unit you purchased. NAMES AND FUNCTIONS remote controller outdoor unit indoor unit connecting pipe air-in...
Page 9
Owner’s Manual - B-VMH09,12,18CU-1 Ceiling & Floor Type o k l m MANUAL OPERATION TIMER DEF./FAN ALARM Display Panel NOTICE! The chart based on one model of our product is for reference only, which may be different from the unit you purchased. NAMES AND FUNCTIONS remote controller outdoor unit...
Owner’s Manual - B-VMH09,12,18CU-1 MANUAL OPERATION Ceiling & Floor This function is used to operate the unit temporarily in case you misplace the remote controller or its batteries are exhausted. Two modes including AUTO and FORCED COOL can be selected through the TEMPORARY BUTTON on the air-in grill control box of the indoor unit.
Owner’s Manual - B-VMH09,12,18CU-1 ADJUSTING AIR FLOW DIRECTION Cassette Type While the unit is in operation, you can adjust the air flow louver to change the flow direction and natu- ralize the room temperature evenly. Thus you can enjoy it more comfortably. 1.
Owner’s Manual - B-VMH09,12,18CU-1 MAINTENANCE WARNING WARNING Before you clean the air conditioner, be sure to disconnect the power supply plug. Cleaning the indoor unit and remote controller CAUTIONS Use a dry cloth to wipe the indoor unit and remote controller. A cloth dampened with cold water may be used on the indoor unit if it is very dirty.
Page 13
Owner’s Manual - B-VMH09,12,18CU-1 Cassette Type 1. Open the air-in grill Push the grill switches towards the middle simultaneously as indicated in sketch A. Then pull down the air-in grill. Cautions: The control box cables ,which are originally connected with the main body electrical terminators must be disconnected.
Owner’s Manual - B-VMH09,12,18CU-1 4. Clean the air filter (Vacuum cleaner or pure water may be used to clean the air filter. If the dust accumulation is too heavy , please use soft brush and mild detergent to clean it and dry out in cool place) .
Owner’s Manual - B-VMH09,12,18CU-1 Special functions Refrigerant Leakage Detection(optional): With this new technology, the display area will display EC (if applicable) and the LED indication lamps continue flashing when the outdoor unit detects refrigerant leakage. Louver Angle Memory Function(optional): For some models, the machine is designed with louver angle memory function. Power failure during operation or pressing the ON/OFF button on the remote controller will stop the unit completely.
Owner’s Manual - B-VMH09,12,18CU-1 TROUBLESHOOTING Before you ask for servicing or repairs, check the following points. Recheck Inoperative The power fuse is blown or the circuit breaker has been tripped. The batteries in the remote controller are exhausted. The timer is set. Does not cool or heat well.
Page 17
Owner’s Manual - B-VMH09,12,18CU-1 The Transmission Indicator " " Never Comes On Symptoms Reason and Disposal Causes Check whether the batteries The remote control signal is The remote control signal is in the remote controller are not transmitted, because the not transmitted even when exhausted.
Page 18
Owner’s Manual - B-VMH09,12,18CU-1 The following displays indicate an error or problem: timer lamp running lamp (flashes per second) Display (nixie tube) Malfunction Indoor EEPROM error Communication malfunction between indoor and outdoor units Indoor fan speed malfunction Indoor room temperature sensor open circuit or short circuit Evaporator coil temperature sensor open circuit or short circuit...
Owner’s Manual - B-VMH09,12,18CU-1 LIMITED EXPRESS WARRANTY Please visit www.marsdelivers.com Congratulations on purchasing your new HVAC equipment. It’s been designed for long life and reliable service, and is backed by one of the to register your new product strongest warranties in the industry. Your unit automatically qualifies for the warranty coverage listed below, providing you keep your REMEDY PROVIDED BY THE LIMITED EXPRESS WARRANTY proof of purchase (receipt) for the equipment and meet the warranty...
Need help?
Do you have a question about the B-VMH09CU-1 and is the answer not in the manual?
Questions and answers