Mitsubishi Electric VL-250CZPVU-R-E Installation Manual page 42

Function
Function name
No.
External output setting
57
1
External output setting
58
2
Conditions of
preheaters ON
59
(Function setting No.58:
Supprementally setting)
Conditions of
preheaters OFF
60
(Function setting No.58:
Supprementally setting)
Function setting value
[0] [1] [2] [3]
Supply
Exhaust Supply
air
— air fan air fan
after-
monitor monitor
heater
Bypass
Supply
ventila-
— air —
tion
preheater
monitor
Function setting value: 0 to 15
Threshold of outdoor temperature: 0°C to -15°C (1°C intervals)
2 3 4
1 hour
hours hours hours hours
[4] [5] [6] [7] [8] [9]
— — — — — —
— — — — — —
5
— — — — —
Eng-42
Factory
default Function description
setting
Set the ON/OFF conditions of termi-
nal blocks TM3 9-10.
[1] Exhaust air fan monitor:
The terminal blocks turn ON/OFF
in line with the operation/stop of the
exhaust air fan. (The terminal blocks
will perform the operation which is
the same as ON/OFF of the control-
ler.)
[2] Supply air fan monitor:
The terminal blocks turn ON/OFF
1 in line with the operation/stop of the
supply air fan. (Depending on the
conditions such as outdoor tempera-
tures, the terminal blocks will stop
automatically.)
[3] Supply air after-heater:
The output is turned ON 10 seconds
after the supply air fan operation./
The supply air fan stops three min-
utes after the output is turned OFF.
- Set the setting when supply air
after-heaters are connected.
Set the ON/OFF conditions of termi-
nal blocks TM3 7-10.
[1] Bypass ventilation monitor:
The terminal blocks turn ON/OFF in
line with the status (bypass/heat ex-
change ventilation) of the ventilation
mode. (The terminal blocks turn ON/
OFF in line with the built-in bypass
damper.)
[2] Supply air preheater:
The output is turned ON 10 seconds
1
after the supply air fan operation./
The supply air fan stops three min-
utes after the output is turned OFF.
- Set the setting when supply air
preheaters are connected.
- The output of the terminal blocks
become OFF when the outdoor
temperature is 15°C or higher.
- The output ON/OFF conditions can
be changed at the function settings
Nos.59 and 60.
Set the ON/OFF conditions of the
function setting No.58 [2] Supply air
0
preheater.
No.59:
Set the threshold of the outdoor
temperature whose output of pre-
heaters turns ON. (The output turns
ON when it becomes lower than the
0 threshold temperature.
No.60:
Set the time to turn OFF the output
of preheater after turning ON the
output.