Comfort Aire Air Conditioner Pad 121 Users Manual Cover

2015-02-05

: Comfort-Aire Comfort-Aire-Air-Conditioner-Pad-121-Users-Manual-530595 comfort-aire-air-conditioner-pad-121-users-manual-530595 comfort-aire pdf

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SERVICE MANUAL
PORTABLE
ROOM AIR CONDITIONER
Models: PAD-91
PAD-121

Technical Service Manual

IMPORTANT NOTICE
This service manual is intended for use by individuals possessing
adequate backgrounds of electrical, electronic and mechanical experience.
Any attempt to repair the appliance may result in personal injury and
property damage. The manufacturer or seller cannot be responsible for
the interpretation of this information, nor can it assume any liability in
connection with its use.
The information, specifications and parameter are subject to change due
to technical modification or improvement without any prior notice. The
accurate specifications are presented on the nameplate label.

Technical Service Manual

CONTENT
CHAPTER 1

PRODUCTS----------------------------------------1

CHAPTER 2

FEATURES-----------------------------------------2

CHAPTER 3

OPERATING RANGE--------------------------- 3

CHAPTER 4

PERFORMANCE CURVE----------------------4

CHAPTER 5

WIRING DIAGRAMS-----------------------------5

CHAPTER 6

REMOTE CONTROLLER-----------------------6

CHAPTER 7

REFRIGERATION CYCLE----------------------8

CHAPTER 8

INSTALLATIONS--------------------------------- 9

CHAPTER 9

TROUBLESHOOTING--------------------------12

CHAPTER 10

EXPLODED VIEW--------------------------------13

CHAPTER 11 PARTS LIST…………………………………15

Technical Service Manual

CHAPTER 1

PRODUCTS

Window Type Room Air Conditioner
No.
1
2

Model
PAD-91
PAD-121

No.
3

Model
PAD-121-E

Technical Service Manual

CHAPTER 2 FEATURES

MODE

DESCRIPTION

COOLING

Cools, dehumidifies and filters the room air. Maintains desired room temperature.

FAN ONLY

Re-circulates and filters the room air. Maintains constant air movement in the room.

FAN SPEED
HIGH
LOW
TEMP. SET
UP
DOWN

1.The appliance can set at different indoor fan motor speed by pressing the FAN
SPEED button on the remote controller.
2. When this symbol is being displayed on the LCD of the remote controller, the
signal is transmitting from the remote controller to the air conditioner.
Press DOWN button once, the set temperature is decreased by 1°F.
Press UP button once, the set temperature is increased by 1°F.

Automatically switches the appliance ON at preset time intervals, ensuring a
TIMER

comfortable environment before you return home, or switches OFF the appliance
automatically when you sleep without wasting electricity.
When the room temperature is higher than the setting temperature 4°F, the

ENERGY
SAVING

compressor is on. When the room temperature is lower than the setting
temperature, the compressor is off and the fan motor runs low speed..
When the room temperature is lower than 66°F , the unit turns off. (For Electronic
Type)

Technical Service Manual

CHAPTER 3 OPERATING RANGE
Temperature rang for air conditioner
z

The preset temperature of the appliance ranges from 66°F to 88°F.

The ambient temperature of the cooling only air conditioner ranges from 64.4°F to 109.4°F.

The rated cooling operation test condition is as following.
Indoor DB/WB temperature:

80°F /67°F

outdoor DB/WB temperature: 95°F /75°F
z

The rated heating operation test condition is as following.

indoor DB/WB temperature: 20℃/Max.15℃

outdoor DB/WB temperature:

7℃/6℃

Technical Service Manual

CHAPTER 4 PERFORMANCE CURVES
PERFORMANCE CURVE
z COOLING UNIT

Technical Service Manual

CHAPTER 5 WIRING DIAGRAM
1.CIRCUIT DIAGRAM FOR PAD-91 & PAD-121

L N

2.CIRCUIT DIAGRAM FOR PAD-121-E

1L N

Technical Service Manual

CHAPTER 6 REMOTE CONTROLLER

£ ¿
Ò
Ø÷
Æ

4
9

8
1

The remote controller transmits signals to the system.
1. ON/OFF BUTTON
z When button is pressed, the unit will start operating or stop
operating, if it is in operation.
z MODE BUTTON
z Used to select operation mode.
SMART mode
6

Technical Service Manual

COOLING mode
DRY mode
FAN ONLY mode
3. FAN BUTTON
z Used to select the indoor fan motor speed.
Automatic fan speed
High fan speed
Low fan speed
4.TEMPERATURE SETTING BUTTON
z Used to set room temperature.
z Used to adjust time in TIMER mode.
5. SWING BUTTON
z Press to adjust airflow direction.
6. SMART BUTTON
z Used to enter fuzzy logic operation directly, regardless if the unit
is operating or not
7. TIMER ON BUTTON
z Used to set or cancel “timer on” operation.
8. TIMER OFF BUTTON
z Used to set or cancel the “timer off” operation.
9. SUPER BUTTON
z Used to start or stop fast cooling.

The indication symbols on LCD:
Indication symbols on LCD:
Signal transmit.
Smart indicator
Cooling indicator

Auto fan speed
High fan speed
Low fan speed

Dry indicator
Fan only indicator

Display set temperature

Used to regulate temperature
in Smart mode or Dry mode
(See page 9 "Smart Mode"
for details)
Indicator of Timer on and Timer off
Display real time

Technical Service Manual

CHAPTER 7 REFRIGERATION CYCLE
1. Cooling only appliance

2. Heat pump
I ndoor uni t

技术参数:

evapor at or

l i qui d si de

gas si de

Out door uni t

3- way val ve

2- way val ve

check val ve
accumul at or

compr essor

capi l l ar y

r ever se val ve

condenser
def r ost heat i ng cool i ng
Fl ow of r ef r i ger ant

Technical Service Manual

CHAPTER 8 INSTALLATION
1. Installation accessories
Description

Quantity

Air inlet hose
Stretches from 17 3/4 (45cm) up to 70 5/8 (180cm)
Air outlet hose
Stretches from 17 3/4 (45cm) up to 70 5/8 (180cm)
Window exhaust adapter
Window/patio door slider kit
From 28 3/8 (72cm) up to 55 5/8 (140cm)

2/set
2/set
2pc
3/set

Window/patio door slider kit

Air inlet hose

Window exhaust adapter

Air outlet hose

Adapter
Window exhaust adapter

Adapter
Fig .8.1

2. Window kit installation
Your window kit is designed to fit most standard vertical and
horizontal window applications. However, it may be necessary for you to
improvise/modify some aspects of the installation procedures for certain
types of windows. Please refer to minimum and maximum window
openings.(Fig 8.2 and Fig 8.3)

Technical Service Manual

Window slider kit
minimum: 281/8(72cm)
maximum:553/8(140cm)

1
3

Fig. 8.2

Fig .8.3

3. Select the best location
Beside the window, door or French window.
Keep the distance between the return air outlet and the wall or
other obstacles to at least 20 inches (50cm)
z Fix one end of the air hose on the air intake or outlet at the back of
the unit.
z Extend the air hose to the clearance between window, door, or
French window, or wall hole.
z Air outlet or intake should not be blocked by protective grid or
objects.
z The distance between two ends of the air hose should be kept at
minimum of 8 inches (200mm)
Note: the cooling capacity will decrease if only the air discharge
hose is used, but air outlet temperature will be lower.
z
z

Installation instruction
Air outlet or intake opening should not be blocked by curtain, or
other objects.
z Hose opening should not be block by shutters or other similar
objects.
z Do not bend the air hose when assembling; keep it straight as
figure 3.
z When operating in cool or dry mode, condensate will accumulate
in the water tank. When the tank is full, water full indicator will
light up (red) and LCD will display the sign E. The unit will stop
operating.
Shut off the power supply, pull out the rubber plug in drain port at
the rear of the unit, drained the water into a container or other
appropriate area.
Note: water should be drained off when the water full light is on,
otherwise, the appliance will not operate.
z

Technical Service Manual

Installation sequence
Before starting the unit
1. Select a suitable location, making sure you have easy access to an
electrical outlet.
2. Install the flexible exhaust hose and adjustable window slider kit as
depicted in Fig.8.4

Fig.8.4

NOTE: 1. Step 2 is required only if operating in cooling or dry mode, In
cooling mode, you can install both hoses or just the air
discharge hose. In dry mode install only air discharge hose.
2. When operating, the hoses should not be blocked by curtains
or other objects.
3. Plug the appliance into an 115V/60Hz grounded electrical outlet.
Note: Do not use a regular extension cord.
4. To start the appliance, press On/Off button.

Notes
z
z
z
z

Please read this manual before installing and using this
equipment
Test run the air conditioner after installing and record details of
operation.
Type of fuse used on indoor unit controller is 50T, with rating 2.5
A, T, 250V.
The fuse for the unit is to be provided by the user according to
the current at maximum power input. Alternatively, used a
over-current protective device.

Technical Service Manual

CHAPTER 9 TROUBLESHOOTING
The following cases may not always be a malfunction, please check it
before calling for service.
Trouble
Analysis
Does not operate

z
z

z
z
Operate for a short while z
only
z
Operating but not cooling

z
z

z
z
z
when z

Water
leaking
moving the unit.
Stop operating and water z
full indicator lamp lights z
up.

Is the fuse blown or protector tripped?
Please wait for 3 minutes and start again,
protector device may be preventing unit to
start.
Is batteries in the remote controller
defective?
Is the plug correctly plugged?
Is the set temperature very close to the room
temperature? Lower the set temperature.
Air discharge is blocked by foreign object?
Remove the foreign object.
Is the door or window open?
Is there is heating appliance operating in the
same room, like heater.
The air filter is clog, clean it.
Air discharge or inlet hose is blocked.
Set temperature is too high.
Drain the condensate before moving.
Pull out the rubber plug to drain water.
If this is very frequent, contact the dealer.

Technical Service Manual

CHAPTER 11 EXPLODED VIEW
1.Exploded View for PAD-91 & PAD-121

Technical Service Manual

2.Exploded View for PAD-121- E

Technical Service Manual

CHAPTER 12 SPARE PART LIST
MODEL: PAD- 91 & 121
ITEM

PART DESCRIPTION

PART NO.

Q'ty

1
2
3
4
5
6
7
8
8
9
10
10
11
12
13
14
15
16
17
18
18
19
20
22
23
24
25
26
27
28
29
30
31
32
33
34
34
35
36
37
38
39
40
41

Front Panel assembly
Upper Motor
Upper Motor Fixed Board
Air Channel
Upper Centrifugal Fan
Oriented Board
Discharge pipe
Suction pipe (PAD-91)
Suction pipe (PAD-121)
Condenser assembly
Capillary Assembly (PAD-91)
Capillary Assembly (PAD-121)
Front air channel of Condenser
Lower Centrifugal Fan
Lower Motor
Back air channel of Condenser
Back Board assembly
Filter
Shower Case
Running capacitor (PAD-91)
Running capacitor (PAD-121)
Mid partition assembly
Evaporator assembly
Oriented Channel assembly
Air Outlet Grid
Control PCB. Assembly
Upper Fan capacitor
Display PCB. Assembly
Control Panel
Recevier PCB. Assembly
Front Knighthead
Castors
Chassis
Gasket
Compressor Bolt
Compressor (PAD-91)
Compressor (PAD-121)
float
relay
toggle switch (high)
toggle switch (low)
Water pump assembly
Lower Fan capacitor
Back Knighthead
Remote controller
Discharge air hose
Supply air hose
circular air hose end
square air hose end
inline mounting plate
air hose mounting plate B
air hose mounting plate A
accessory bracing sheet

81006195
8140228
8110110
810124
8101161
8101027
813032124
813032160

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
4
1
3
3
1
1
1
1
1
1
1
1
2
1
1
1
2
2
1
1
1
2

813032122
8130181
813032157

813032119
810125
8101162
8140229
810126
8100912
8110521
8210248
1411986

1411701
8110919
8130180
810076
8101028
81409165
1411144
81409166
81006196
81409167
8110222
812021
8100282
817042
817028
1304444

1304443
8110615
815043
8141016
8141017
8110614
1411144
8110223
81401355
813031327
813031327
8130721
8130722
8120918
8120919
8120920
8110117

Technical Service Manual

MODEL: PAD-121-E
ITEM

PART DESCRIPTION

PART NO.

Q'ty

Front Panel assembly

81006195

Upper Motor

8140228

Upper Motor Fixed Board

8110110

1
1

Air Channel

810124

Upper Centrifugal Fan

8101161

Oriented Board

8101027

Discharge pipe

813031472

Suction pipe

813031720

Condenser assembly

8130181

813031468

Front air channel of Condenser

Capillary

Assembly

810125

Lower Centrifugal Fan

81011124

Lower Motor

8140229

Back air channel of Condenser

810126

Back Board assembly

8100912

Filter

8110521

Shower Case

8210248

Running capacitor

1411986

Mid partition assembly

8110919

Evaporator assembly

8130180

Louver Motor

8140275

Oriented Channel assembly

810076

Air Outlet Grid

8101028

Control PCB. Assembly

81409243

Upper Fan capacitor

1411144

25A

Transformer

814058

Display PCB. Assembly

81409244

Control Panel

81006196

Recevier PCB. Assembly

81409167

Front Knighthead

8110222

Castors

812021

Chassis

8100282

Gasket

817042

Compressor Bolt

817028

Compressor

1304381

Dobber

8110615

Jiggle switch Fixer

815043

Alram Jiggle switch

8141016

Jiggle switch

8141017

Water pump assembly

8110614

Lower Fan capacitor

1411144

Back Knighthead

8110223

PTC Heater

8140426

Remote Controler

81401355

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Comfort Aire Air Conditioner Pad 121 Users Manual Cover

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