11-25
CONTROL SYSTEM
Revision Y06-02
Service Manual - KN Series
11.12.2 Condens
a
tion Pu
m
p.
Mode: Cool, Dry,
A
uto
Te
m
p: Selected desired te
m
perature
Fan:
A
ny
Ti
m
er:
A
ny
I FEEL:
A
ny
Control
f
unction:
Prevent Condensed
w
ater
f
ro
m
Over
f
lo
w
ing.
ON
OFF
ON
COMP
(WVL)
PUMP
OFF
ON
OPER
LED
OFF
Over
f
lo
w
Water Level
Nor
m
al
BLINK
COMP/WVL is
f
orced OFF
8
m
in
8
m
in
Over
f
lo
w
w
hen
unit is ON
Over
f
lo
w
w
hen
unit is OFF
1
m
in
Notes:
1. The
s
w
itch used
f
or
w
ater level detection is closed under nor
m
al condition, and is open
w
hen
w
ater over
f
lo
w
.
2. For the NEC version o
f
MCU, the "Over Flo
w
" & “Nor
m
al” condition are indicated by
logic “0” & “1” at the LEVEL4 input pin respectively.
3. For the Fujitsu version o
f
MCU, the "Over Flo
w
" & “Nor
m
al” condition are indicated by
logic “1” & “0” at the LEVEL4 input pin respectively.
4. The
“Over
f
lo
w
” condition can activate the
w
ater pu
m
p in SB and operating
m
odes.
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...
