Panasonic CS-A28BKP5 / CU-A28BKP5 Service Manual ▷ View online
1 Features
2
2 Functions
3
3 Product Specifications
6
4 Dimensions
8
5 Refrigeration Cycle Diagram
9
6 Block Diagram
10
7 Wiring Diagram
11
8 Operation Details
12
9 Operating Instructions
22
10 Installation Instructions
42
CS-A28
BKP5
/CU-A28
BKP5
11 3-way Valve
51
12 Servicing Information
58
13 Troubleshooting Guide
62
14 Technical Data
64
15 Exploded View
67
16 Replacement Parts List
68
17 Exploded View
69
18 Replacement Parts List
70
19 Electronic Parts List
71
20 Electronic Circuit Diagram
72
Room Air Conditioner
CONTENTS
Page
Page
Order No: TAC0204001C2
• High Efficiency
•
High Efficiency Airflow Circuit
•
Compact Design
•
Auto Restart after Power Failure
•
Long Piping up to 30m
• Catechin Deodorizing Air Filter
•
Deodorizing Control during operation
•
Cold draught Control
1 Features
2
CS-A28
BKP5
/CU-A28
BKP5
2 Functions
Remote Control
Operation OFF / ON
OFF / ON
I
Room Temperature Setting
TEMP.
• Temperature Setting (16˚C to 30˚C)
• Automatic Operation
• Automatic Operation
m
/
n
2˚C lower than standard
n
Standard
n
-
o
2˚C higher than standard
Operation Mode Selection
•
AUTO
Automatic Operation Mode
•
HEAT
Heating Operation Mode
•
COOL
Cooling Operation Mode
•
DRY
Soft Dry Operation Mode
MODE
TIME
Time / Timer Setting
• Hours and minutes setting.
Clock Setting
• Current time setting.
Sleep Mode Operation OFF / ON
SLEEP
Indoor Fan Speed Selection
FAN SPEED
•
h j k
Low Speed
l
•
h j k
Medium Speed
lll
•
h j k
High Speed
lllll
•
AUTOFAN
Automatic Fan Speed
Airflow Direction Control
• 24-hour, OFF / ON Real Timer Setting.
ON-TIMER
OFF-TIMER
OFF-TIMER
Timer Operation Selection
SET
CANCEL
CANCEL
Timer Operation Set / Cancel
• ON Timer and OFF Timer setting and
cancellation.
CLOCK
(
q
)
AIR SWING
•
SWING
Automatic Airflow Direction
Control
Control
•
MANUAL
Airflow Direction Manual
Control
Control
3
CS-A28
BKP5
/CU-A28
BKP5
Indoor Unit
Auto Restart Control
• Operation is restarted after power failure
at previous setting mode.
Anti-Freezing Control
• Anti-Freezing control for indoor heat
exchanger. (Cooling and Soft Dry)
Sleep Mode Auto Control
• Indoor Fan operates at Low fan
speed.
• Operation stops after 8 hours.
Indoor Fan Speed Control
• High, Medium and Low.
• Automatic Fan Speed Mode
• Automatic Fan Speed Mode
– Heating : Fan speed varies from Hi
SLo in accordance with
indoor heat exchanger.
indoor heat exchanger.
–
Cooling : Fan rotates at Hi and Me
speed. Deodorizing control
is available.
is available.
–
Soft Dry: Fan rotates at Lo speed.
Hot-Start Control
• Automatic air swing and manual adjusted
by remote control for vertical airflow.
• Manually adjusted by hand for horizontal
airflow.
Airflow Direction Control
• The indoor fan stops until the indoor heat
exchanger temperature over 30°C.
• The indoor fan operates at SLo and Lo
when indoor heat exchanger temperature
reaches 30°C ~ 42°C.
reaches 30°C ~ 42°C.
• Hot start is completed when indoor heat
exchanger reaches 42°C.
Auto Operation Switch
• Used when the remote control cannot be
used.
AUTO
OFF / ON
Remote Control Signal Receiving
Sound Control
Sound Control
• It can be controlled by pressing Auto
Operation Switch for 10 seconds.
Operation Test Running / Pump
Down Switch
Down Switch
TEST RUN
OFF / ON
• Used when test running or servicing.
Operation Indication Lamps (LED)
•
POWER
(Red)........ Lights up in operation,
blinks in Automatic
Operation Mode judging
and Hot Start operation.
Operation Mode judging
and Hot Start operation.
•
SLEEP
(Orange).... Lights up in Sleep
Mode Operation.
•
TIMER
(Orange).... Lights up in Timer
Setting.
Operation Mode
• Heating, Cooling, Soft Dry, and Automatic
Mode.
Time Delay Safety Control
• Restarting is inhibited for appro. 3 minutes.
7 Minutes Time Save Control
• Cooling Operation only.
➝
4
CS-A28
BKP5
/CU-A28
BKP5