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THERMOSTAT

The thermostat automatically 
starts and stops the running of 
the compressor in the air 
conditioner in order to control 
and maintain a comfortable 
room temperature. When the 
room temperature reaches the 
desired setting, cooling will 
automatically stop. When the 
room temperature rises 
above, cooling resumes. This 
results in efficient use of power and economical cooling. 

The operation is as follows : As the knob is turned towards 
the right, the thermostat is set for a ‘COOLER’ temperature. 
If the temperature becomes too cold, turn the knob towards 
the left to set thermostat for warmer temperatures.

 Note 

:

 TEST RUN is used to test the compressor and 

make sure unit is working properly. When the knob is 
rotated to this position, the unit is kept in cooling mode 
and automatic temperature control is cut off. Do not use 
this position for regular operation.

 

During the cooling operation of the unit, when the cooler 
temperatures are required, wait at least three minutes, 
otherwise the fuse may blow due to an overload of the 
unit.

AUTO LOUVRE / AUTO SWING

Automatic horizontal air flow 
adjustment : When the AUTO 
LOUVER / AUTO SWING 
switch is turned to ON 
position, the vertical louvers 
automatically oscillate left and 
right sweeping the cold air 
across the room to obtain 
comfortable cooling. 

The vertical louvers may be 
stopped at any position 
(during oscillation) when the 
AUTO LOUVER / AUTO 
SWING switch is turned OFF .

Manual Vertical Air Flow 
Adjustment : To adjust vertical 
air flow direction, adjust any 
one of the horizontal louver 
blades. When turning the 
blades upwards or 
downwards, always keep the 
top or bottom blades 
horizontal. This can effectively 
prevent condensation of water 
on the front panel of the unit.

OPERATION DETAILS (COOLING & ELECTRIC 
HEATING MODELS)

The operating panel will like on of the figures given below. 
The design of the operation panel is based on the particular 

ROOM AIR CONDITIONERS

4

IOM # 036 - 3007 TP (0206)

model that you have purchased. While some differences 
may be there in the appearance, the functions of the various 
components are the same.

Power indicator (selected models only) :

 This indicator 

light remains on when the unit is on and goes off when the 
SELECTOR is on OFF position.

The function selection knob 
controls fan speed and the 
cooling speed. When it is set 
to HIGH FAN a large volume of 
air is discharged. When it is 
set to LOW FAN, the volume if 
air being discharged is 
reduced. When it is set at 
HIGH COOL fast cooling is 
achieved. At LOW COOL the 
cooling is relatively low.

At HIGH HEAT, rapid heating 
takes place. At low heat, the 
rate of heating is relatively 
lower. At OFF, the air 
conditioner remains switched 
off. On FAN, only the fan runs 
with no cooling or heating.

 

When the switch is set to HIGH FAN or LOW FAN, the 
air conditioner only blows air, without cooling or heating.

 

Knob should be turned slowly from LOW COOL or LOW 
HEAT to HIGH COOL or HIGH HEAT.

 

When room temperature drops below 21°C and the unit 
is in cooling operation, frost may form on the evaporator. 
If this occurs, operate the air conditioner on the FAN 
setting to defrost.

 

During cooling operation, if the thermostat knob has 
been turned in the direction from ‘12’ to ‘1’, be sure to 
wait at least three minutes before turning the knob back 
toward ‘12’. Immediate turning of the knob may result in 
a blown fuse

1

OFF

!

CAUTION

Summary of Contents for Alaska Y9ROC18-5A-F

Page 1: ...icable for the following ALASKA models Y9USC05 5A F Y9USC07 5A F Y9USC09 5A F Y9USE09 5A F Y9USC12 5A F Y9USE12 5A F Y9USC18 5A F Y9USE18 5A F Y9USC21 5A F Y9USC24 5A F Y9USE24 5A F Y9UOC18 5A F Y9UOC24 5A F Y9UOC28 5A F Y9ROC18 5A F Y9ROC24 5A F Y9ROC28 5A F Y9ROH28 5A F OFF ...

Page 2: ...ease contact the manufacturer its authorized distributor or service agent if you want to replace it 3 For electrical power supply see the specification on the unit name plate Electrical safety and rules 2 Power connections 2 Exploded view 2 Accessories 2 Points to remember 3 Operating Instructions 3 Maintenance 5 Cleaning the air filter 5 Cleaning the front panel 5 End of the season maintenance 5 ...

Page 3: ...ons higher than the design conditions may cause the unit to trip or the compressor may burn out 5 If you need to change the location of the unit please contact the York agent or distributor from whom you have purchased the unit The York agent or distributor has trained personnel who can help you CAUTION COOLER THERMOSTAT HIGH FAN LOW COOL HIGH COOL LOW FAN AUTO LOUVER 0 OFF ON TEST RUN SELECTOR OF...

Page 4: ... upwards or downwards always keep the top or bottom blades horizontal This can effectively prevent condensation of water on the front panel of the unit OPERATION DETAILS COOLING ELECTRIC HEATING MODELS The operating panel will like on of the figures given below The design of the operation panel is based on the particular ROOM AIR CONDITIONERS 4 IOM 036 3007 TP 0206 model that you have purchased Wh...

Page 5: ...ith dust air flow is obstructed which reduces the cooling efficiency The air filter should be cleaned every two weeks CAUTION 1 Remove Air Filter See Installation Instructions Step 1 on Page 7 2 Cleaning the Air Filter Remove the dust clogged in the filter by tapping it or vacuum clean it Wash the filter well with lukewarm water or a neutral cleaning agent 3 Cleaning the Air Freshener The air fres...

Page 6: ...There is no air flow from the unit Possible Cause The unit may not be working as there may not be any power supply Check for proper connections of the power cable Possible Cause The fuse may be blown Check the fuse D INSTALLATION Select the best location and install the unit at a place having sufficient strength to support the unit securely For maximum efficiency install the air conditioner on a s...

Page 7: ...r a click Figure 10 ROOM AIR CONDITIONERS 7 IOM 036 3007 TP 0206 Figure 4 Figure 5 Figure 6 Figure 7 Figure 9 Figure 10 Figure 8 DRAINAGE OF CONDENSATE To meet the requirements of different type of applications two methods are available for the removal of condensate water For cool only models 1 If there is no need to drain off water seal the drain hole at the bottom of the cabinet with a rubber st...

Page 8: ...ROOM AIR CONDITIONERS 8 IOM 036 3007 TP 0206 ...

Page 9: ...SC07 5A F Y9USC09 5A F Y9USE09 5A F Y9USC12 5A F Y9USE12 5A F Y9USC18 5A F Y9USE18 5A F Y9USC21 5A F Y9USC24 5A F Y9USE24 5A F Y9UOC18 5A F Y9UOC24 5A F Y9UOC28 5A F Y9ROC18 5A F Y9ROC24 5A F Y9ROC28 5A F Y9ROH28 5A F ...

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