11-1
CONTROL SYSTEM
Revision Y06-02
Service Manual - KN Series
11. CONTROL
SYSTEM
11.1 Ele
c
troni
c
Control
11.1.1 Introdu
c
tion
The electronic control in
f
or
m
ation is designed
f
or service applications, and is co
mm
on
to the
f
ollo
w
ing groups o
f
air-conditioners:
x
ST/RC
group
-Cooling only / cooling and heating by heat pu
m
p.
x
SH group
-Cooling and heating by heat pu
m
p and supple
m
entary heater.
x
RH group
-Cooling, heating by heaters only.
11.1.2 Re
m
ote Control DIP Swit
c
h Settings
DEFINITION
SETTING SWITCH STATUS
RC4
RC3
SW.
NO. 4
SW.
NO. 3
SW.
NO. 2
SW.
NO. 1
RC-
A
LL MODES OF OPER
A
TION
--
--
OFF
OFF
STD-COOL, F
A
N, DR
Y
,
A
CTIVE
--
--
OFF
ON
HE
A
T-COOL, F
A
N, DR
Y
,
A
CTIVE
--
--
ON
OFF
A
UTO F
A
N (
A
F)
--
--
ON
ON
VERTIC
A
L SWING ONL
Y
TEMP. DISPL
AY
IN
q
C DEGREES
--
OFF
--
--
HORIZONT
A
L & VERTIC
A
L
SWING FUNCTIONS
TOGETHER
TEMP. DISPL
AY
IN
q
F DEGREES
--
ON
--
--
DIS
A
BLE LCD & KE
Y
ILLUMIN
A
TION
TIMER & CLOCK 12H
A
M, PM
OFF
--
--
--
EN
A
BLE LCD & KE
Y
ILLUMIN
A
TION
TIMER & CLOCK 24H
ON
--
--
--
Reset operation
-
Press the 4 buttons si
m
ultaneously: “CLE
A
R “, “SET”, "HR +”, ”HR -”
f
or 5 seconds
LEGEND
SW1, SW2
- Selection o
f
RC/ST
SW
3
– Selection o
f
Display
q
C or
q
F in RC3 or s
w
ing
f
unction in RC4
SW4
– Selection o
f
Ti
m
e Display 12H
A
M/PM or 24H in RC3 or illu
m
ination in RC4
OFF
= 0
ON
= 1
N
O
TE
After setting the DIP swit
c
hes perfor
m
reset oper
a
tion.
Summary of Contents for KN 24 RC
Page 50: ...9 2 REFRIGERATION DIAGRAMS Revision Y06 02 Service Manual KN Series 9 1 2 KN 30 R410A...
Page 51: ...9 3 REFRIGERATION DIAGRAMS Revision Y06 02 Service Manual KN Series 9 1 3 KN 36 R410A...
Page 52: ...9 4 REFRIGERATION DIAGRAMS Revision Y06 02 Service Manual KN Series 9 1 4 KN 36T R410A...
Page 53: ...9 5 REFRIGERATION DIAGRAMS Revision Y06 02 Service Manual KN Series 9 1 5 KN 45T R410A...
Page 57: ...11 2 CONTROL SYSTEM Revision Y06 02 Service Manual KN Series 11 1 3 Main PCB Controller...
