23
Specifications are subject to change without notice.
© 2017 Mitsubishi Electric US, Inc.
• Table 2 shows how the field-installed heater is controlled.
Table. 2 [Heater Control Table]
Mode Change
Condition
(To -TRA) >
2.7 ° F
[1.5 °C]
AND
TRA
has not
increased by
0.9 °F [0.5°
C] in X
min
EH1 ON for
> 5 min
AND
(To -TRA) >
2.7 ° F
[1.5 ° C]
AND
TRA
has not
increased by 0.9 ° F
[0.5° C] in 5 min
(To -TRA) <
0.9 °F
[0.5° C]
EH1 ON
○
AND
○
EH2 ON
○
AND
○
AND
○
EH1 OFF
○
EH2 OFF
○
KEY
• EH1: Electric Heater 1
• EH2: Electric Heater 2
• To: Set point temperature
• TRA
: Return Air temperature
• X: Time delay (Selectable. Default is 20 min. Selectable to 10, 15, or 25 min)
• Table 3 shows how the time delay is selected
Table. 3 [Time Delay Selection Table]
Function Setting
*1
Action *3
108-1
Set Time Delay to
10
minutes
108-2
Set Time Delay to
15
minutes
108-3
Set Time Delay to
20
minutes
*2
108-4
Set Time Delay to
25
minutes
*1
Time delay can only be selected with MA controller. If use of a non-MA controller is desired, the time delay must first be
selected with the MA controller. Then the non-MA controller can be attached and used.
*2
The default time delay setting is 20 minutes.
*3
Time delays are approximate.
Summary of Contents for PVFY-P12 NAMU-E
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