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Safety 

Precautions

Safety 

Read Safety Precautions Before Operation and Installation

To prevent death or injury to the user or other people and property damage, the 
following  instructions must be followed. Incorrect operation due to ignoring of 
instructions may cause death, harm or damage. 

 WARNING


Safety Precautions

 Page 3

WARNING

CAUTION

This symbol indicates the possibility of 

property damage or serious consequences.

Installation must be performed according to the installation instructions. Improper installation 
can cause water leakage, electrical shock, or fire.  
Use only the included accessories and parts, and specified tools for the installation. Using non-
standard parts can cause water leakage, electrical shock, fire, and injury or property damage.

 

Make sure that the outlet you are using is grounded and has the appropriate voltage. 
The power cord is equipped with a three-prong grounding plug to protect against shock.  
Voltage  information can be found on the nameplate of the unit.
Your unit must be used in a properly grounded wall receptacle. If the wall receptacle you 
intend to use is not adequately grounded or protected by a time delay fuse or circuit breaker

 

(the fuse or circuit breaker needed is determined by the maximum current of the unit. The 
maximum current is indicated on the nameplate located on unit),  have a qualified electrician 
install the proper receptacle. 
Install the unit on a flat, sturdy surface. Failure to do so could result in damage or excessive 
noise and vibration.
The unit must be kept free from obstruction to ensure proper function and to mitigate safety 
hazards.
Do not modify the length of the power cord or use an extension cord to power the unit.  
Do not share a single outlet with other electrical appliances. Improper power supply can 
cause fire or electrical shock.
Do not install your air conditioner in a wet room such as a bathroom or laundry room. Too 
much exposure to water can cause electrical components to short circuit.
Do not install the unit in a location that may be exposed to combustible gas, as this could 
cause fire.
The unit has wheels to facilitate moving. Make sure not to use the wheels on thick carpet or to 
roll over objects, as these could cause tipping. 

Do not operate a unit that it has been dropped or damaged.

The appliance with electric heater shall have at least 3 feet of space to the combustible
materials.

Do not touch the unit with wet or damp hands or when barefoot.
If the air conditioner is knocked over during use, turn off the unit and unplug it from the main 
power supply immediately. Visually inspect the unit to ensure there is no damage. If you 
suspect the unit has been damaged, contact a technician or customer service for assistance.  

This symbol indicates the possibility of 

personnel injury or loss of life.

Summary of Contents for ARC-148MS

Page 1: ...IONER Congratulations on your new Whynter product To ensure proper operation please read this Instruction Manual carefully before using this product Keep this manual in a safe place for future referen...

Page 2: ...cautions Air Filter Cleaning Unit Cleaning Store the unit when not in use Preparation Design Notice Energy Rating Information Ambient Temperature Range For Unit Operating Exhaust Hose Installation Cho...

Page 3: ...the nameplate located on unit have a qualified electrician install the proper receptacle Install the unit on a flat sturdy surface Failure to do so could result in damage or excessive noise and vibra...

Page 4: ...e the appliance must be disconnected from the supply mains Do not remove any fixed covers Never use this appliance if it is not working properly or if it has been dropped or damaged Do not run cord un...

Page 5: ...uction The appliance shall be stored so as to prevent mechanical damage from occurring A warning that the appliance shall be stored in a well ventilated area where the room size corresponds to the roo...

Page 6: ...rk on the system 2 Work procedure Work shall be undertaken under a controlled procedure so as to minimize the risk of a flammable gas or vapor being present while the work is being performed 3 General...

Page 7: ...th the room size within which the refrigerant containing parts are installed The ventilation machinery and outlets are operating adequately and are not obstructed If an indirect refrigerating circuit...

Page 8: ...the copper pipe work If a leak is suspected all naked flames shall be removed extinguished If a leakage of refrigerant is found which requires brazing all of the refrigerant shall be recovered from th...

Page 9: ...that all refrigerants are recovered safely Prior to the task being carried out an oil and refrigerant sample shall be taken in case analysis is required prior to re use of reclaimed refrigerant It is...

Page 10: ...re that they have been evacuated to an acceptable level to make certain that flammable refrigerant does not remain within the lubricant The evacuation process shall be carried out prior to returning t...

Page 11: ...ll to ensure proper air conditioning The horizontal louver blade should be at least 20 away from obstacles DO NOT cover the Intakes Outlets or Remote Signal Receptor of the unit as this could cause da...

Page 12: ...on older units Federal regulations require manufacturers to calculate cooling capacity based on a specific test procedure which was changed just this year Models manufactured before 2017 were tested...

Page 13: ...ION QUANTITY 1 piece 1 piece 1 piece Window Slider Kit 1 set Clear plastic plug plug is in the upper corner of the plastic bag that holds the user manual 1 piece Foam seal A Adhesive Foam seal B Adhes...

Page 14: ...emperature 1 C 2 F increments or timer hours 0 24 hours This unit is capable of displaying set temperature in Fahrenheit or in Celsius To convert from one to the other press and hold the Up and Down b...

Page 15: ...ssory sold separately under the drain area of the lower drain port Remove the bottom drain plug and let the water drain Replace the drain plug and plug in to resume operation Continuous drainage Fig 1...

Page 16: ...to the necessary length keeping it as short and straight as possible WINDOW KIT INSTALLATION The window kit has been designed to fit most standard vertical and horizontal windows However it may be ne...

Page 17: ...type Security bracket Screws Foam seal C non adhesive type Foam seal A adhesive type Foam seal B adhesive type Security bracket Screws Foam seal C non adhesive type EXHAUST AND INTAKE HOSE INSTALLATI...

Page 18: ...s function mode press the MODE button until the DRY indicator light is displayed Please note that when switching function mode there will be an approxi mately 3 minute transition time In dehumidifying...

Page 19: ...comes on AUTO RESTART In the event of a power outage the air conditioner restarts at the previously set function mode and settings when power is restored CONTROLLING THE AIR FLOW DIRECTION The louvers...

Page 20: ...ays when remote sends signal to unit 3 ON OFF Display Displays when the unit is turned on and disappears when it is turned off 4 Timer On Indicator Displays when TIMER ON is set 5 Timer Off Indicator...

Page 21: ...e washable pre This unit has three air filters the washable pre filter activated carbon filter and lower filter Switch off the air conditioner and remove the washable pre filter and activated carbon f...

Page 22: ...yet because of its time delay The set temperature is too high The internal water reservoir is full and P1 appears on display This unit is designed to work in ambient temperatures of 63 F to 90 F Pres...

Page 23: ...y The unit is not level The surface underneath the unit is uneven Low power voltage Make sure the unit is on hard level and stable surface Move the unit to a location with a level and hard floor Make...

Page 24: ...Use in commercial or industrial applications Damage accidental or otherwise to the product while in the possession of a consumernot caused by a defect in material or workmanship Damage caused by cons...

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