Comfortaire Comfort-Cire PAD-91 Manual de usuario

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. Model No. Model

1 PAD-91 3 PAD-121-E

2 PAD-121

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

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.

TEMP. SET

DOWN

Press DOWN button once, the set temperature is decreased by 1°F.

Press UP button once, the set temperature is increased by 1°F.

TIMER

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

comfortable environment before you return home, or switches OFF the appliance

automatically when you sleep without wasting electricity.

ENERGY

SAVING

When the room temperature is higher than the setting temperature 4°F, the

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

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

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

zThe rated cooling operation test condition is as following.

Indoor DB/WB temperature: 80°F /67°F

outdoor DB/WB temperature: 95°F /75°F

zThe rated heating operation test condition is as following.

zindoor DB/WB temperature: 20℃/Max.15℃

zoutdoor DB/WB temperature: 7℃/6℃

Technical Service Manual

CHAPTER 4 PERFORMANCE CURVES

PERFORMANCE CURVE

zCOOLING UNIT

Technical Service Manual

CHAPTER 5 WIRING DIAGRAM

1.CIRCUIT DIAGRAM FOR PAD-91 & PAD-121

2.CIRCUIT DIAGRAM FOR PAD-121-E

1L N

Technical Service Manual

CHAPTER 6 REMOTE CONTROLLER

£¿ØÆ÷

The remote controller transmits signals to the system.

1. ON/OFF BUTTON

zWhen button is pressed, the unit will start operating or stop

operating, if it is in operation.

zMODE BUTTON

zUsed to select operation mode.

SMART mode

Technical Service Manual

COOLING mode

DRY mode

FAN ONLY mode

3. FAN BUTTON

zUsed to select the indoor fan motor speed.

Automatic fan speed

High fan speed

Low fan speed

4.TEMPERATURE SETTING BUTTON

zUsed to set room temperature.

zUsed to adjust time in TIMER mode.

5. SWING BUTTON

zPress to adjust airflow direction.

6. SMART BUTTON

zUsed to enter fuzzy logic operation directly, regardless if the unit

is operating or not

7. TIMER ON BUTTON

zUsed to set or cancel “timer on” operation.

8. TIMER OFF BUTTON

zUsed to set or cancel the “timer off” operation.

9. SUPER BUTTON

zUsed to start or stop fast cooling.

The indication symbols on LCD:

Indication symbols on LCD:

Signal transmit.

Smart indicator

Dry indicator

Fan only indicator

Cooling indicator

High fan speed

Low fan speed

Display set temperature

Auto fan speed

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

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