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21

 Page 21 

 Operating

Instructions

AIR FLOW DIRECTION ADJUSTMENT
The louver can be adjusted automatically. Adjust the 
air flow direction automatically:
· When the Power is ON, the louver opens fully.
· Press the SWING button on the panel or remote

controller to initiate the Auto swing feature. The
louver willl swing up and down automatically.

· Please do not adjust the louver manually.

WAIT 3 MINUTES BEFORE RESUMING OPERATION

 

After 

the unit has stopped, it can not be restarted

 for

 

operation in the first 3 minutes. This is to protect the 
unit. Operation will automatically start after 3 minutes. 

POWER MANAGEMENT feature(On some models)

 

Under cooling operation, when the ambient 
temperature is lower than the setting temperature for 
a period of time, the unit will automatically operate

 

the 

 power management feature. The compressor and 

fan motor stop. When the ambient temperature is 
higher than the setting temperature, the unit will 
automatically quit the power management feature. 
The compressor and (or) fan motor run.

Water drainage
· During dehumidifying modes, remove the upper

drain plug from the back of the unit, install the drain
connector(5/8" universal female mender) with 3/4"
hose(locally purchased). For the models without
drain connector, just attach the drain hose to the
hole. Place the open end of the hose directly over the
drain area in your basement floor.

MODEL A

MODEL B

Remove the 

upper drain plug

Continuous 

drain hose

Remove the 

upper drain plug

Continuous 

drain hose

· During heating pump mode, remove the lower drain

plug from the back of the unit, install the drain
connector (5/8" universal female mender) with 3/4"
hose(locally purchased). For the models without drain
connector, just attach the drain hose to the hole.
Place the open end of the Hose adaptor directly over
the drain area in your basement floor.

that there are no kinks that will stop the water flowing. 
Place the end of the hose into the drain and make sure 
the end of the hose is down to let the water flow 
smoothly.(See Figs with      . Do

n't

 ever let it up.(See Figs 

with     ). When the continuous drain hose is not used, 
ensure that the corresponding drain plug and knob 
are installed firmly to prevent leakage.

NOTE: Make sure the hose is secure so there are no 
leaks. Direct the hose toward the drain, making sure 

X

MODEL B

drain hose

adaptor

Continuous 

drain hose

Remove the 

lower drain plug

MODEL A

drain hose

adaptor

Continuous 

drain hose

Remove the 

lower drain plug

X

drain hose

adaptor

Press the power

cord buckle into

the rear cover.

drain hose

adaptor

delivery lift <1.8m

MODEL A1

Continuous 

drain hose

Remove the 

lower drain plug

· (For model A1)During heating pump mode, remove

the lower drain plug from the back of the unit, install
the drain connector(5/8" universal female mender)
with 3/4" hose(locally purchased). Carefully move the
unit to a drain location, and let the water drain away.

Note: Make sure the drain hose is lower than the
bottom tray drain outlet. 

· When the water level of the bottom tray reaches a

predetermined level, the unit beeps 8 times, the
digital display area shows "P1" . At this time
the air conditioning/dehumidification
process will immediately stop. However,
the fan motor will continue to operate
(this is normal). Carefully move the unit
to a drain location, remove the bottom
drain plug and let the water drain away. Reinstall the
bottom drain plug and restart the machine until the
"P1" symbol disappears. If the error repeats, call for
service. NOTE: Be sure to reinstall the bottom drain
plug firmly to prevent leakage before using the unit.

Summary of Contents for Comfort-Aire PS-121C

Page 1: ...www marsdelivers com Owner s Manual Installation Manual Portable Air Conditioner PS 121C PSH 141C...

Page 2: ...recautions Air Filter Cleaning Troubleshooting Tips Unit Cleaning Store the unit when not in use Preparation Design Notice Energy Rating Information Ambient Temperature Range For Unit Operating Exhaus...

Page 3: ...d 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 v...

Page 4: ...he appliance Children must be supervised around the unit at all times be applicable for other countries except the European Countries If the supply power cord is damaged it must be replaced by the man...

Page 5: ...tact a qualified person to carry out repairs If the damaged power supply cord must be replaced with a new power supply cord obtained from the product manufacturer and not repaired Hold the plug by the...

Page 6: ...ce of other skilled personnel shall be carried out under the supervision of the person competent in the use of flammable refrigerants Please follow the instructions carefully to handle install clear a...

Page 7: ...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 work are...

Page 8: ...into the atmosphere 8 Checks to the refrigeration equipment Where electrical components are being changed they shall be fit for the purpose and to the correct specification At all times the manufactur...

Page 9: ...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 the s...

Page 10: ...actice 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...

Page 11: ...ly Installation Instructions Preparation NOTE All the illustrations in the manual are for explanation purpose only Your machine may be slightly different The actual shape shall prevail The unit can be...

Page 12: ...damage to the unit 50cm 19 7 inch 30cm 30cm 12inch 12inch 50cm 19 7inch Energy Rating Information The energy rating and noise information for this unit is based on the standard installation using an...

Page 13: ...aving the air feeling damp To find the proper air conditioner determine the square footage of the room you want to cool by multiplying the room length by its width You also need to know the air condit...

Page 14: ...lider A Bolt 1 pc 1 set Unit Adaptor Security Bracket and 2 Screws 1 pc 1 pc Exhaust Hose Drain Hose 1 pc 1 pc Window Slider Adaptor Power Cord Buckle O N O F F T E M P S H O R T C U T T IM E R O N T...

Page 15: ...e Adjustable Window Slider or or Window slider A MODEL A MODEL B Window slider B Bolt Window slider A Window slider B Bolt MODEL A MODEL B MODEL C MODEL D 1 2 Window slider A Window slider B Window sl...

Page 16: ...em to the window sash and frame as shown 2 Insert the window slider assembly into the window opening Or Foam seal B Adhesive type shorter Foam seal A Adhesive type Foam seal B Adhesive type shorter Fo...

Page 17: ...wall for the Wall Exhaust Adapter B 2 Secure the Wall Exhaust Adapter B to the wall using the four Anchors and Screws provided in the kit 3 Connect the Exhaust Hose Assembly with Wall Exhaust Adapter...

Page 18: ...s light within 8 minutes the unit will exit Wireless connection mode automatically and the Wireless indicator illuminates If connection has failed within 8 minutes the unit exits Wireless connection m...

Page 19: ...tion When the function is turned on the constant fan light will illuminate identifying the fan continuous run for cooling When the function is turned off the constant fan light will go out identifying...

Page 20: ...he Auto off stop program Press or hold the UP or DOWN button to change the Auto time by 0 5 hour increments up to 10 hours then at 1 hour increments up to 24 hours The control will count down the time...

Page 21: ...hout drain connector just attach the drain hose to the hole Place the open end of the Hose adaptor directly over the drain area in your basement floor that there are no kinks that will stop the water...

Page 22: ...unit with a dry lint free cloth Drain the unit s water collection tray according to the instructions in the following section Run the appliance on FAN mode for 12 hours in a warm room to dry it and pr...

Page 23: ...Decrease the set temperature Make sure all windows and doors are closed Double check the cooling area Turn off the unit disconnect the hose check for blockage and reconnect the hose Remove the heat so...

Page 24: ...warranty begins on the date of shipment from the factory REMEDY PROVIDED BY THE LIMITED EXPRESS WARRANTY The sole remedy under the Limited Warranty is replacement of the defective unit Labor to diagno...

Page 25: ...GDWD RQ WKH DFWXDO SURGXFW SULRU WR EHJLQQLQJ DQ LQVWDOODWLRQ SUHSDUDWLRQV QFHQWLYH DQG UHEDWH SURJUDPV KDYH SUHFLVH UHTXLUHPHQWV DV WR SURGXFW SHUIRUPDQFH DQG FHUWLILFDWLRQ OO SURGXFWV PHHW DSSOLFDEO...

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