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If used as MULTI unit, please refer to the Installation & operation manuals packed with outdoor unit. User Manual Olympus Series Cassette Air Handlers Please keep this manual where the operator can easily find it. Inside, you will find helpful hints on how to use and maintain your unit properly. For more info visit www.mrcool.com...
Ceiling & Floor Type (Vertical Discharge Air Conditioner) Ceiling & Floor Type Ceiling & Floor Type Ceiling & Floor Type Ceiling & Floor Type Manual Operation Adjusting Air Flow Direction Maintenance Air Conditioner Operations and Performance Special Functions Installation Troubleshooting Remote Control Troubleshooting Page 1 mrcool.com...
For proper performance, operate the unit in temperature and humidity ranges indicated in this owner's manual. If the unit is operated beyond these conditions, it may cause malfunctions of the unit or dew dripping from the unit. mrcool.com Page 2...
Once you plan to use the unit again, switch the power on 12 hours before you restart the unit to ensure a smooth operation. • Clean the air filter bi-weekly. A clogged air filter will reduce cooling or heating efficiency. Page 3 mrcool.com...
*PRE-DEF indicator (cooling and heating type) or fan only indicator (cooling only type) *Drain Pump - Drains water from the indoor unit NOTE This diagram is based on 24K Btu/h type. Minor differences may exist for the appearance and functionality for your specific model. mrcool.com Page 4...
Remote Control *PRE-DEF indicator (cooling and heating type) or fan only indicator (cooling only type) NOTE This diagram is based on 24K Btu/h type. Minor differences may exist for the appearance and functionality for your specific model. Page 5 mrcool.com...
This diagram is based on 24K Btu/h type. Minor differences may exist for the appearance and functionality for your specific model. The illustrations in this manual are for explanation purpose only. The unit may vary depending on model. mrcool.com Page 6...
Remote Control *PRE-DEF indicator (cooling and heating type) or fan only indicator (cooling only type) NOTE This diagram is based on 24K Btu/h type. Minor differences may exist for the appearance and functionality for your specific model. Page 7 mrcool.com...
*PRE-DEF indicator (cooling and heating type) or fan only indicator (cooling only type) NOTE All the pictures in this manual are for explanation purpose only. There may be slight differences from the air conditioner you purchased ( depending on model ). The actual shape may vary. mrcool.com Page 8...
The Run Lamp, Timer Indicator, and Defrost Indicator flash in cycles when solar PV ECO function is activated. (Applicable to the unit adopts solar photovoltaic system only.) This picture is based on the type of 18K Btu/h. The appearance and functionality may be slightly different from the unit you purchased. Page 9 mrcool.com...
*FAN indicator (Cooling/Heating type without) NOTE All the pictures in this manual are for explanation purpose only. There may be slight differences from the air conditioner you purchased ( depending on model ). The actual shape may vary. mrcool.com Page 10...
*FAN/DEF indicator (For cooling and heating type, it’s DEF. For cooling only, it’s FAN.) NOTE All the pictures in this manual are for explanation purpose only. There may be slight differences from the air conditioner you purchased ( depending on model ). The actual shape may vary. Page 11 mrcool.com...
Display Alarm FAN/DEF Infrared Signal Indicator Indicator Receiver Operation Temporary Timer Lamp Button Indicator NOTE The illustration is based on one model of our product for reference only. It may be different from the unit you purchased. mrcool.com Page 12...
Operation Lamp Alarm Indicator Display Panel NOTE All the pictures in this manual are for explanation purpose only. There may be slight differences from the unit you purchased ( depending on model ). The actual shape may vary. Page 13 mrcool.com...
(with air filter in it) Air-in Air-out Remote Control NOTE All the pictures in this manual are for explanation purpose only. There may be slight differences from the unit you purchased ( depending on model ). The actual shape may vary. mrcool.com Page 14...
Beep Indicator Display Panel NOTE All the pictures in this manual are for explanation purpose only. There may be slightly different from the air conditioner you purchased ( depend on model ). The actual shape may vary. Page 15 mrcool.com...
AUTO after it is enforced to cool with a wind speed of HIGH for 30 minutes. The remote control operation is disabled. The OPERATION lamp goes off. The air conditioner is OFF while the remote control TEMPORARY operation is enabled. BUTTON Fig. 3.1 mrcool.com Page 16...
To effectively cool the whole room, To effectively heat the bottom of the please set the louver so that the air can room, Please set the louver so that the come out horizontally. air can come out downwards. Fig. 4.2 Fig. 4.3 Page 17 mrcool.com...
If the accumulated dust is too heavy to be cleaned, please replace the filter with a new one (replaceable air filter is an optional fitting). • The filter cleaning should be performed by a suitable service provider. mrcool.com Page 18...
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Install and close the air-in grill in the reverse order of step 1 and 2 and connect the control box cables to the corresponding terminators of the main body . Note: High-Static Pressure Parvis Split Type has no air filter. Fig. 5.3 Fig. 5.4 Page 19 mrcool.com...
Room relative humidity less than 80% - If the air conditioner operates in excess of this figure, the surface of the air conditioner may attract condensation. Adjust the vertical air flow louver to its maximum angle (vertically to the floor), and set HIGH fan mode. Optimum performance will be achieved within these operating temperatures. mrcool.com Page 20...
• If you want to change the power wiring, please contact the service center of the local MD electric appliance. Relocation If you move out or if it is desired to relocate the air conditioner, consult your dealer, because special skills to withdraw Freon, purge air and perform other operations are required. mrcool.com Page 22...
flash. • Switch operations are erratic. • The fuse is blown frequently or the circuit breaker is tripped frequently. • Foreign matter or water has fallen inside the air conditioner. • Any other unusual condition is observed. mrcool.com Page 23...
Refrigerant Piping Connection Remote Control Troubleshooting Before you ask for service or repairs, check the following: Setting Change Is Impossible Symptoms Causes Reason and Disposal When the automatic mode is selected, the Check whether the MODE The fan speed can not be air conditioner automatically selects the fan indicated on the display is "AUTO"...
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Remote Control Troubleshooting The following displays indicate an error or problem: Display Timer Running Lamp Malfunction (Flashes Per Second) (Nixie Tube) Lamp 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...
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Olympus Series Cassette Air Handlers The design and specifications of this product and/or manual are subject to change without prior notice. Consult with the sales agency or manufacturer for details.