Heater Control; Control Specifications And Dip S/W Setting - Mitsubishi Electric PVFY-P12 Service Manual

6. Heater control

1. Control specifications and DIP S/W setting

Table 1 shows the function settings the field-installed heater. Select the desired pattern in the table below, and
•
set the DIP SW on the outdoor and indoor units as shown in Table 1.
Table 1.
Outdoor unit
setting
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
TLMU/YLMU:
SW4: 932
OFF
PUMY:
S/W4-4 OFF
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
TLMU/YLMU:
maintenance tool.
SW4: 932 ON
PUMY:
S/W4-4 ON
*1 Default settings: SW3-2 OFF, SW3-4 OFF
*2 Heater will not operate during all error modes. Heater will only operate during a communication error between
indoor unit and outdoor unit.
Specifications are subject to change without notice.
Condition of outdoor unit
N / A
Normal drive
Defrost drive
H/P drive
H/P stop
a b c d Outdoor temp.
a/b/c/d are set by
DIP S/W
(Indoor unit)*1
SW3-2 SW3-4
OFF -
ON OFF
ON ON
OFF -
Normal
ON OFF
drive
ON ON
Defrost OFF -
drive
H/P
ON OFF
drive
H/P
stop ON ON
22
PVFY-NAMU-E
Heater control
Pattern Defrost
Heater not Available
Heater
OFF
Available
Heater
ON
Available
Heater not Available
Heater
OFF
Available
Heater
ON
Available
Heater not Available
Heater
OFF
Available
Heater
ON
Available
© 2017 Mitsubishi Electric US, Inc.
Error
OFF
ON*2
OFF
ON*2
OFF
ON*2