Related Manuals for AC Pro MZC Series
Summary of Contents for AC Pro MZC Series
- Page 1 MZC Series - Multi Zone Cassette Owners Manual Models: AKH(12)BA-D3DNA2A/I AKH(18)BA-D3DNA2A/I AKH(24)BA-D3DNA1A/I...
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Page 2: Table Of Contents
Please read this owner’s manual carefully before operation and retain it for future reference. Table of Contents Safety Precautions ........3 System Parts . -
Page 3: Safety Precautions
SAFETY PRECAUTIONS Please read the following before operation. Recognize safety information. This is the safety-alert symbol. When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury. Understand these signal words: DANGER, WARNING, and CAUTION. These words are used with the safety-alert symbol. -
Page 4: System Parts
SYSTEM PARTS Indoor unit Air outlet Air inlet Part Name 1. Power Supply and Communication Wires 2. Drain Pipe 3. Liquid Pipe 4. Decorative Discharge Air Grille (sold separately) 5. Gas Pipe 6. Wired Tether Controller 7. Remote Controller 8. Service Cover Air inlet 9. -
Page 5: System Functions
SYSTEM FUNCTIONS WHISPER QUIET Not only are the systems energy efficient but they are quiet too. Ceiling Cassette operates with sound levels starting as low as 37 dB(A). MULTI FAN SPEEDS Whether operating in either Cooling or Heating mode, the indoor fan can be set to your choice of three different speeds (Low, Medium or High) to achieve maximum comfort. - Page 6 SYSTEM FUNCTIONS INTELLIGENT DEFROST The Intelligent Defrost function increases room comfort and saves energy by eliminating unnecessary defrost cycles. In heating mode, the unit will monitor the outdoor coil for frost buildup. Once frost buildup has been detected, the system will switch into a defrost mode to remove the frost.
- Page 7 SYSTEM FUNCTIONS MODE BUTTON The unit can be set to five different operating modes: HEAT, COOL, DRY, FAN ONLY and AUTO. NOTE: AUTO MODE has fixed setpoints of 68° F heating and 77° F cooling, which are not adjustable.The system will automatically select heating or cooling to maintain room temperature within this band.
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Page 8: Wireless Remote Controller
OPERATION OF WIRELESS REMOTE CONTROLLER Remote Controller Part Name 1. ON/OFF Button 2. Down Button 3. Up Button 4. Fan Button 5. Mode Button 6. I Feel Button 7. Clock Button 8. Timer On Button 9. Swing Louver Button 10. X-Fan Button 11. - Page 9 OPERATION OF WIRELESS REMOTE CONTROLLER REMOTE CONTROLLER OPERATIONS The wireless remote controller is sleek, versatile and allows you to change room temperatures and functions on your Multi21 Ceiling Cassette system from the palm of your hand. The large LCD display and buttons make it easy-to-understand and easy-to-use. The remote controller is set from factory to display temperatures in °F.
- Page 10 OPERATION OF WIRELESS REMOTE CONTROLLER MODE BUTTON : AUTO Use the “MODE” button to select one of the available modes. : COOL The selected mode will be displayed on the remote controller and : DRY the appropriate light will illuminate on the front display panel. : FAN ONLY AUTO –...
- Page 11 OPERATION OF WIRELESS REMOTE CONTROLLER TIMER SETTING Timer-ON / Timer-OFF BUTTON To set when you want the unit to turn On at the end of a selected time period, use the button labeled “Timer-ON /Timer-OFF”on the remote controller. Press this button to make the clock icon disappear, replaced with the word “ON”...
- Page 12 OPERATION OF WIRELESS REMOTE CONTROLLER FAN BUTTON Press the FAN button to adjust the indoor fan speed: Low ( ), Medium ( ), High ( ),Turbo and Auto. • Turbo function is not available in Dry and Auto mode. • The fan operates at low speed in Dry and Auto modes, and the speed cannot be adjusted.
- Page 13 OPERATION OF WIRELESS REMOTE CONTROLLER SLEEP MODE The Multi21 Ceiling Cassette system will automatically adjust room temperature during your sleep time. This slight change in temperature will not affect your comfort level due to the natural effects that sleeping has on the body, but it will save on energy consumption and will lower your electric bill.
- Page 14 OPERATION OF WIRELESS REMOTE CONTROLLER CHANGING BATTERIES AND ADDITIONAL NOTES To change batteries, slide cover off battery compartment on back of remote controller. Remove and safely discard old batteries. Insert two new AAA 1.5V dry batteries, using correct polarity. Reattach back cover. NOTE: •...
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Page 15: Wired Tether Controller
OPERATION OF WIRED TETHER CONTROLLER ON/OFF BUTTON Press On/Off to turn On the unit. Press again to turn it Off. “Off” State “On” State MODE SETTING When the unit is ON, press Mode button to select an operating mode. It will change sequentially as shown below: Auto–Cool–Dry–Fan–Heat Cool Heat... - Page 16 OPERATION OF WIRED TETHER CONTROLLER FAN SETTING When the unit is ON, press Fan button to select the fan speed of the indoor unit. It will change sequentially as shown below. Medium High TURBO MODE Turbo mode will force the unit up to maximum capacity to heat or cool the room in the shortest amount of time.
- Page 17 OPERATION OF WIRED TETHER CONTROLLER TIMER SETTING The Slim Duct system has two timer modes. The Timer-On mode will turn the unit ON after the preset time period. The Timer-Off Mode will turn the unit OFF after the preset time period. The preset time period can be from 0.5 to 24 hours in 0.5 hour increments.
- Page 18 OPERATION OF WIRED TETHER CONTROLLER Timer-Off Setting Set the time period for the unit to remain ON before turning OFF by pressing the ▲ or ▼ Turn the unit On, press the Timer button. The ON icon will flash and the hours will be displayed. buttons.
- Page 19 OPERATION OF WIRED TETHER CONTROLLER SLEEP MODE The unit will automatically adjust room temperature during your sleep time. This slight change in temperature will not affect your comfort level due to the natural effects that sleeping has on the body, but it will save on energy consumption and will lower your electric bill. Press the SLEEP button to select Sleep Mode.
- Page 20 OPERATION OF WIRED TETHER CONTROLLER X-FAN MODE The X-Fan function may only be selected in Cool and Dry modes. After the unit is turned Off, the X-Fan function will keep the indoor fan running for a predetermined amount of time to dry the indoor evaporator coil to help avoid mold and mildew growth.
- Page 21 OPERATION OF WIRED TETHER CONTROLLER I-FEEL MODE In Cool Mode, the Slim Duct unit will sense room temperature at the wired Tether Controller instead of at the return air section of the indoor unit. I-Feel Settings Press the Function button until the I-Feel icon is displayed, then press Enter/Cancel to activate the function.
- Page 22 OPERATION OF WIRED TETHER CONTROLLER POWER FAILURE MODES The unit has two selectable system power up modes: IMPORTANT: This mode arrives set at “factory default,” but should not be left there. It must be reset to “Power Failure Recovery,” especially for use in commercial IT/server/computer rooms. Power Failure Recovery After the initial power up, the unit will store user selections and system parameters in non-volatile memory.
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Page 23: Care And Cleaning
CARE AND CLEANING Routine maintenance consists of checking the condensate drain for clogs, hosing off the outdoor coil of outdoor unit and cleaning the air filter and the indoor decorative grille. W RNING Turn off power and disconnect from indoor and outdoor units before cleaning. Failure to do so could cause electric shock. - Page 24 CARE AND CLEANING For the 12 and 18K cassette unit: 1. Remove screws with a screwdriver as shown. Remove the screw Push the fastener 2. Release the two fasteners and open the panel grille. Disassemble the air inlet grille: 1. Open the air inlet grille at 45°, lift up and remove the grille. 2.
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Page 25: Troubleshooting
TROUBLESHOOTING PROBLEM CAUSE/SOLUTION System does not restart. Cause: The system has a built-in three-minute delay to prevent short and/or rapid cycling of the compressor. Solution: Wait three minutes for the protection delay to expire. Indoor unit emits unpleasant odor Cause: Typically unpleasant odors are the result of mold or mildew forming on when started the coil surfaces or the air filter. - Page 26 TROUBLESHOOTING PROBLEM CAUSE/SOLUTION Water leaking from the indoor Cause: While it is normal for the system to generate condensate water in unit into the room. cooling mode, it is designed to drain this water via a condensate drain system to a safe location. Solution: If water is leaking into the room, it may indicate one of the following.
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Page 27: Energy Saving Tips
ENERGY SAVING TIPS 1. Relaxing room temperature at night is OK: During the nighttime hours you don't require the same level of conscious cooling or heating. Try using Sleep Mode to gradually relax room temperature and allow the unit to run less and save energy. 2.