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Frequently Asked Questions

General

Roll it into position, plug it in, and turn it on. NOTE: If you are in an enclosed room, you will need to exhaust the warm air from the top of the unit out of the room. The drop ceiling space in a typical office will usually satisfy this requirement.
As a rule of thumb, 400 square feet per 12,000 BTUs (12,000 BTUs equals one ton of air conditioning). However, you must account for other factors which will affect the total heat load. Please click the following link to find your cooling need. http://www.movincool.com/product-selector/
An average of 15° to 25° F, from ambient temperature, depending on model and level of humidity, e.g. low humidity = high temperature drop, high humidity = low temperature drop.
Condensation removal. MovinCool collects condensation in the tank at the base of each unit. The condensate tank is included with all units except Classic 40, Classic 60, Office Pro 60, Office Pro 63, CM12 & CM25. The tank is available as an optional accessory for Classic 40, Office Pro 60 and Office Pro 63.

You can eliminate the need to empty the tank by installing our condensation pump. The condensation pump is included with Office Pro 60 and Office Pro 63, CM12 and CM25. For all other units except Classic 40 and Classic 60, pumps are sold separately.
CM25 & CMW30 come with a thermostat.
Two design types are utilized: scroll and rotary (See Specifications: Click the following link to view the specifications http://www.movincool.com/download/specifications).
3 Years with warranty registration OR 1 Year for unregistered units. Click the following links to view our standard warranty. http://www.movincool.com/download/warranty-statement
Office Pro units are designed to cool low temperature areas like server rooms, data rooms and offices. It can operate down to 65 degrees. Classic/Classic Plus unit are designed to cool high temperature and high humidity areas like warehouses, manufacturing facilities. These units remove more moisture from the air than Office Pro series.
The average life expectancy of a MovinCool unit used under normal operating conditions is 10 years.
Yes, it prevents water from flowing back into the pump.
For 115V portable units, 20-feet. For 230V portable units,17-feet. The head pressure will go down with the voltage draw by the unit.
The nozzles come 1 per box. You need to order 2 if you need 2 nozzles.
Yes, All the portable MovinCool units can operate on a 50Hz cycle with slight performance decrease from the specs listed.
Not applicable as there is no efficiency rating standard for portable air conditioners.
Yes, all units have this feature.
Yes, we have Office Pro W20 available now.

Installation & Maintenance

Classic 10, Office Pro 12, Classic Plus 14, Office Pro 18, Office Pro W20 (115 volt-standard household current)

Office Pro 24,Office Pro 36, Office Pro 60, Classic Plus 26 (208/230 volt single phase)

Classic 40 (220 volt three phase)

Classic 60, Office Pro 63 (460 volt three phase)
No. You may need to remove MovinCool's exhaust air in some other manner. Contact us or your local dealer for more information.
Varies, depends on models (See Specifications: Click the following link to view the specifications - http://www.movincool.com/download/specifications). Length specified is total length in and out of unit. For condenser plenum, 10’ inlet and 10’ outlet = 20 total feet. Each 90 deg bend = approx 8’-10’ of duct. Blocking one duct is not recommended. Too much static pressure can build up and the unit will shut down.
Not recommended as it overloads the unit. For specific details please contact a dealer or MovinCool.
We recommend extreme caution when using extension cords. The following guideline is recommended: It must be safety listed and 3-wire grounding type appliance extension cord. The marked rating of the extension cord should be the same as the voltage requirement and the recommended fuse size on the specification sheet. (Click the following link to view the specifications: http://www.movincool.com/download/specifications).
These units are not designed to work with a remote thermostat, except Classic 40 (units manufactured from May 2009) and Classic 60 (units manufactured from April 2009).
Yes, all the current models are equipped with one signal input connection from fire alarm and one signal output connection for connecting to warning devices or building control systems.
Yes, clearance is an important factor as well as filters being dirty. In both cases, the AC will not operate properly due to insufficient air flow.
18” of clearance is the minimum for both the evaporator and condenser.
24” of clearance is required for 5 ton models (Office Pro 60, Office Pro 63 & Classic 60).
The only regular maintenance required is cleaning or changing the filters on the units. For more details, please refer to the operations manual.
No, each unit is fully charged and ready to use. Unless there is a leak, refrigerant does not wear out nor does it deplete. Each MovinCool is hermetically sealed to prevent leakage.

Troubleshooting

Make sure the room temperature is above the set point.
Make sure the cool mode is activated.
Make sure the jumper on relay board (J8) is installed correctly and connector jumper assembly is installed correctly for units with the plug and play connector.
The cause could be dirty filters, not enough clearance for the evaporator, negative pressure or low condenser inlet air temperature when a plenum is attached to the unit.
Make sure the unit is connected to the right voltage and recommended breaker. Check for power at the receptacle. Check for loose wire connections. Check if the fan mode switch on the relay board is at off position and the room temperature is below the set point. Or press the reset button on the LCDI plug. For more specific information please refer to the operation manual.
Note: Before clearing the diagnostic code, be sure to find and correct the problem.

For the Office Pro units with the old controller (Units manufactured before April 2007 with a green LED):
  1. 1) Unplug the unit and wait for 5 seconds.
  2. 2) Push and hold the HRS and MIN buttons simultaneously.
  3. 3) Then plug the unit in while still holding the buttons.
For Classic Plus units with the old controller (Units manufactured before April 2007 with a green LED):
  1. 1) Unplug the unit and wait for 5 seconds.
  2. 2) Push and hold both fan speed buttons simultaneously.
  3. 3) Then plug the unit in while still holding the buttons.
For units with the new controller (for all Office Pro and Classic Plus units manufactured from April 2007 to present):
Press hold COOL ON/OFF and FAN HI/LO simultaneously for 5 seconds.

For units with the new controller:
- CL10 (Units manufactured from January 2008 to present)
- CL40 (Units manufactured from May 2009 to present)
- CL60 (Units manufactured from April 2009 to present)
Hold down both SET TEMP buttons (up & down arrows) simultaneously for 3 seconds.
See if there are any diagnostic codes. Normally the display will show AS and that can happen due to a kink or blockage in the pipe, which will stop the flow of water. This may be solved by eliminating the kink/blockage and resetting the control board. The diagnostic code AS may also be triggered due to a low voltage draw by the unit.
Check for loose wire connections or a defective control board.
This indicates the tank is missing from the unit. On the new control boards when the drain tank is full, “TANK FL” LED flashes on the display. As soon as you remove the tank from the unit, the display will switch to “TANK”. After emptying the tank, put it back into the unit and press ON/OFF button. “TANK” will go away.
If conditions persist after the above actions have been taken, turn the unit off, disconnect the power and contact your MovinCool reseller or a qualified technician.

General

The MovinCool CM series contains units suitable for both central air (CM25 and CMW30) and/or spot cooling (CM12). The CM series are self-contained ceiling-mount air conditioning units designed to cool small areas. These units are easy to install. There is no need to charge the refrigerant and no floor space is required. MovinCool CM units provides overhead cooling to network closets, IDF, MDF, telecommunication equipment, data processing, control room, office, desktop publishing, network facility, laboratory and other electronic systems.
As a rule of thumb, 400 square feet per 12,000 BTUs (12,000 BTUs equals one ton of air conditioning). However, you must account for other factors which will affect the total heat load. Please click the following link to find your cooling need. http://www.movincool.com/product-selector/
An average of 15° to 25° F, from ambient temperature, depending on model and level of humidity, e.g. low humidity = high temperature drop, high humidity = low temperature drop.
Yes, the condensation tank is included with these units.
CM25 come with a thermostat.
CM25 & CMW30 - Swing Inverter, CM12 – Rotary (See Specifications: Click the following link to view the specifications http://www.movincool.com/download/specifications).
2 Years on the Unit and 3 Years on the Compressor with warranty registration OR 1 Year on the Unit and 3 Years on the Compressor for unregistered units. Click the following links to view our standard warranty. http://www.movincool.com/download/warranty-statement
The average life expectancy of a MovinCool unit used under normal operating conditions is 10 years.
4-feet.
Yes, a wall mount controller is included with these unit.
14 SEER
17 IEER
Yes.
  1. The compressor adjusts its speed based on the temperature in the room minimizing power consumption.
  2. Unlike conventional compressors which cycle on and off repetitively, an inverter compressor has the ability to adjust its speed based on the amount of cooling needed. This helps eliminate the wear and tear of constant starting and stopping.
  3. The pistons in a swing compressor move smoothly, decreasing friction and vibration. It also prevents the leakage of refrigerant gas during compression.
For the evaporator, the filter must be installed on the return air grill. For the condenser, the filter is not required on most cases except for heavily dirty environments. The condenser filter is available as an accessory and the part number is 484409-0130.
The CM25 can operate at as low as 5000 btu/h and as high as 25,000 btu/h depending on the heat load, the condenser inlet temperature and the set temperature of the room.
The CMW30 can operate at as low as 7000 btu/h and as high as 29,400 btu/h depending on the heat load, entering water temperature and the set temperature of the room.
This device is used on CM25 & CMW30 instead of capillary tubes due to the variable refrigerant flow of the inverter compressor. The advantage of electronic expansion valves over thermal expansion valves is the EEV has the capability of more accurate control of refrigerant that flows through it.
Electronically Commutated Motors are used on CM25 & CMW30 to allow the motors to run at multiple speeds, increasing efficiency.

Installation & Maintenance

CM12 (115 volt-standard household current)
CM25 (208/230 volt single phase)
CMW30 (208/230 volt single phase)
No. The CM12 unit is only compatible with Millivolt thermostats which run on a battery and the CM25 & CMW30 units are compatible with the wall mounted controller included with the unit and Millivolt thermostats.
The MovinCool Millivolt thermostat is available as an accessory and the part number is LA484500-3430.
Refer to the following table, "Connecting thermostat to CM12 unit" on the operation manual. Connect RC on the thermostat to RC on the unit, Y on the thermostat to Y on the unit, G on the thermostat to G on the unit. G1- Most of the thermostats do not have Fan Hi/Low button. In this case don't connect G1 and the unit will run at high fan speed.
Wall Thermostat Connector Name CM12 Wires Function
Label Name Color
RC RC Brown Common
Y Y Red Cool On/Off
G G Orange Fan On/Off
G1 G1 Yellow Fan Hi/Low
The CM25 & CMW30 requires connection with the included wall mount controller (thermostat) or millivolt thermostat. In order to take full advantage of the inverter compressor, 14 SEER (CM25)/ 17 IEER (CMW30) and self diagnostic codes, the included wall mount controller must be used.
CM12 can operate on a 50Hz cycle with slight performance decrease from the specs listed. However, the CM25 & CMW30 are not compatible with 50 Hz.
Yes, the CM units can be controlled by an EMS (environment management system) by connecting to a millivolt multistage connection on the unit with a signal conditioning device. The EMS can be an environment management system or energy management system. Both of these systems may be integrated into the building control system.
Yes, an input signal connection can be used to shut the unit off by a signal from a fire alarm control or other device such as a water sensor on a secondary drain pan. This is normally open, dry contact, type-C connection. A parallel connection is acceptable.
No. You may need to remove MovinCool's exhaust air in some other manner. Contact us or your local dealer for more information.
An optional drain pump is required when more than a 4-foot lift capacity is needed. The lift capacity for the optional drain pump is up to 17 feet.
Varies, depends on models (See Specifications: Click the following link to view the specifications- http://www.movincool.com/download/specifications). Length specified is total length in and out of unit. For condenser plenum, 10’ inlet and 10’ outlet = 20 total feet. Each 90 deg bend = approx 8’-10’ of duct
Not recommended as it overloads the unit. For specific details please contact a dealer or MovinCool.
The stop switch on the unit is NOT a power cut off switch. To service the unit the power must be disconnected from the breaker.
The CM12 and CM25 should not be installed using the same exhaust ducting because of the difference in the static pressures.
The CM12, CM25 or CMW30 units should not be connected to multiple rooms. Unbalanced airflow will occur creating positive or negative pressure within the room.
These units can run off of a generator. The required minimum generator size for the CM12 is 6.5 KVA. Due to its lower start up current requirement, the CM25/CMW30 requires a smaller generator of 3 KVA.
The thermostats for both units should be located as close to the return air register as possible and away from direct sunlight or heat sources.
Multiple units CANNOT be connected to a single thermostat.

Troubleshooting

Make sure the room temperature is above the set point. Make sure the cool mode is activated.
The cause could be dirty filters, not enough clearance for the evaporator, negative pressure or low condenser inlet air temperature when a plenum is attached to the unit.
  • Make sure the unit is connected to the right voltage and recommended breaker.
  • Check for power at the receptacle.
  • Inspect and replace fuse on the relay/control board (if blown).
  • Some thermostats require resetting when power is restored after a power interruption.
  • Check duct for any blockage or excessive kinks.
  • Check wiring connection between Wall mounted Controller (in case of CM25 & CMW30)/ millivolt wall thermostat and the unit.
  • Check for OFF signal input from the fire alarm control panel. On CM25 & CMW30 the Wall mounted Controller will display AL.
  • Ensure the Override (Stop) switch is in the “OPERATE” position.
  • Thermostat battery depleted. Change battery.
Note: Before clearing the diagnostic code, be sure to identify and correct the problem.

CM25- Press the RESET button.
CMW30- Press the RESET button, then press ON/OFF button.
Reset power source or turn the wall thermostat off and on.
Note: Before clearing the alarm, be sure to identify and correct the problem.
This can happen due to an improper routing of the drain hose and kink or blockage in the pipe, which will stop the flow of water. This can be solved fixed by clearing the kink/blockage. For more specific information please refer to the operation manual.

Glossary

Term Definition
Air Cooled Uses a fan to discharge heat from the condenser coil to the outdoors.
Air-Cooled System A type of air conditioning system that uses a refrigerant and air as a condensing medium.
Electronic Expansion Valve (EEV) It is a component that controls the amount of refrigerant flow into the evaporator.
Electronically Commutated Motors (ECM) It is a brushless DC motor with a permanent magnet rotor that is surrounded by stationary motor windings. An electronic controller varies rotor speed and direction by sequentially supplying DC current to the windings.
Energy Efficiency Ratio (EER) It is the ratio of cooling capacity (btu/h) vs electrical power (watts). To calculate EER divide btu/h by the total watts.
Fan Coil Unit (FCU) A simple device consisting of a heating or cooling coil and fan. It is part of an HVAC system found in residential, commercial, and industrial buildings. Typically a fan coil unit is not connected to ductwork, and is used to control the temperature in the space where it is installed, or serve multiple spaces. It is controlled either by a manual on/off switch or by thermostat.
Latent Cooling Capacity An A/C system's capability to remove moisture from the air.
Latent Heat The heat that can change ice to water or water to vapor. Example: Heat generated from a source that is associated with humidity is called Latent heat.
Seasonal Energy Efficiency Ratio (SEER) It is the efficiency measurement of a cooling system over the course of an entire season. The difference is where EER is related to the specific outdoor temperature, SEER is related to the entire range of seasonal temperatures.
Sensible Cooling Capacity An A/C system's capability to remove heat from the air (lower the temperature).
Sensible Heat Heat that causes a change in temperature in an object. Example: Heat generated from computers and other electrical equipment is called sensible heat because computers and electrical equipment dissipate heat that is humidity independent.
Water Cooled System A type of air conditioning system that uses a refrigerant and water as a condensing medium. Typically, the water-cooled condenser is located inside the air conditioner with the remainder of the refrigeration components. Water is piped to the unit from a suitable source.
MovinCool, SpotCool and Office Pro are registered trademarks of DENSO Corporation. © 2017 DENSO Products and Services Americas, Inc.