[
VII
Microprocessor Control ]
- 16 -
HWE1405A
GB
5. Heater control
1. Control specifications and DIP S/W setting
Table 1 shows how the field-installed heater is controlled. Select the desired pattern in the table below, and set the DIP S/W
on the outdoor and indoor units as shown in Table 1. See section 3 "Installation" for details. The table below shows Heater
Control patterns #1, 2, and 3.
Table.1
Outdoor unit
setting
Condition of outdoor unit
PVFY-NAMU-E
DIP S/W
(Indoor unit)
Heater control
SW3-2
SW3-4
Pattern
Defrost
Error
DIP S/W OFF
In the case of:
TGMU:
S/W5-2 OFF
THMU/YHMU/
TJMU/YJMU:
S/W5-10 OFF
TKMU/YKMU:
SW4: 932 OFF
PUMY:
S/W4-4 OFF
N / A
-
OFF
#1
OFF
OFF
OFF
ON
#2
OFF
ON
*1
*1. Not applicable to communication error, return air thermistor error, and motor error.
ON
ON
#3
OFF
ON
*1
DIP S/W ON
In the case of:
TGMU:
S/W5-2 ON
THMU/YHMU/
TJMU/YJMU:
S/W5-10 ON
TKMU/YKMU:
SW4: 932 ON
PUMY:
S/W4-4 ON
Normal drive
-
OFF
#1
OFF
OFF
OFF
ON
OFF
OFF
OFF
ON
ON
OFF
OFF
OFF
Defrost drive
H/P drive
H/P stop
-
OFF
#1
OFF
OFF
OFF
ON
#2
OFF
ON
*1
ON
ON
#3
OFF
ON
*1
Normal drive
Defrost drive
H/P drive
H/P stop
C
ondi
ti
on of
O
/U
㻼㼍㼞㼍㼙㼑㼠㼑㼞㼟㻌
a/b/c/d are set by
㻌
maintenance tool.
a
b
c
d
Outdoor temp.
