Specifications

-195-
SV2, 3
Only for
the
PUHN-
P-YMF-C
No SW1 Item Display Remarks
12345678910 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8
Relay Output
Display 1 (blinking
display)
Check Display 1
OC Error
Relay Output
Display 2
Special Control
Outdoor Unit (sub-
unit) Operation
Display
Outdoor Unit
Preliminary Error
History
COMP
Opera-
tion
SV4
High
pres-
sure
error 1,
2
TH11
Error
TH8
Error
High
pres-
sure
error 1,
2
TH11
Error
TH8
Error
COMP 1
Operat-
ing
—
TH9a
Error
—
TH9a
Error
SV5b
3-
minute
restart
Low
pres-
sure
error
Over-
current
break
Low
pres-
sure
error
Over-
current
break
21S4a
Com-
pressor
operating
No. 1
dis-
charge
tempera-
ture error
TH3
Error
No. 1
dis-
charge
tempera-
ture error
TH3
Error
SV1
CH2, 3
Prelimi-
nary
Error
TH4
Error
TH4
Error
Error
No. 1
Over-
current
protec-
tion
TH10a
Error
TH5
Error
No. 1
Over-
current
protec-
tion
TH10a
Error
TH5
Error
Power off
LEV
open
TH10b
Error
TH6
Error
TH10b
Error
TH6
Error
Lights for
Normal
Operation
Backup
No. 9
Power off
LEV
closed
TH7
Error
TH7
Error
LD8 is a relay output
indicator which lights
up at all times when
the microcomputer’s
power is ON. LD8 is
determined as the re-
verse of CH11.
The flag correspond-
ing to the item where
there is an error delay
lights up.
Lights up if an error
delay has occurred
between the time the
power was turned on
and the present time.
To turn the indicators
off, switch the power
OFF briefly.
0000 ~ 9999
(Address and error code reversed)
2
Constant capacity unit (SW4-2 ON)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
0000000000
1000000000
0100000000
1100000000
0010000000
1010000000
0110000000
1110000000
0001000000
1001000000
0101000000
1101000000
0011000000
1011000000
0111000000
1111000000
0000100000
1000100000
0100100000
1100100000
0010100000
1010100000
0110100000
1110100000
0001100000
Outdoor Unit
Error Delay