Mitsubishi Electric VL-250CZPVU-L-ERT Handbook page 26

Function
Function name
No.
Conditions for pre-
heater ON
59 (Supplemental setting
for the function setting
No. 58 )
Conditions for pre-
heater OFF
60 (Supplemental setting
for the function setting
No. 58 )
External output setting
81
3
Standard air speed
82
setting
Manual input priority
83
mode
CO concentration
2
84
indication
Lossnay core
86 maintenance item
display setting
100 Initialization
In the following conditions, error code 3126 (external device error) is displayed on the controller and the output of the function setting No. 81
"[0] Malfunction monitor" turns ON.
- When the built-in OA thermistor detects 15°C or higher within 15 minutes from the start of output of the supply air pre-heater/after-heater.
- When the built-in OA thermistor detects -10°C or lower 60 minutes after the start of output of the supply air pre-heater/after-heater.
Function setting value
[0] [1] [2] [3]
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
Mal- Outdoor
function air shut- — —
monitor ter
— —
Available (See below for time setting.)
Not
0.5 1.0 1.5
available
hours hour hours
Hide Show — —
Hide Show — —
— Initialize — —
[4] [5] [6] [7]
5
— — —
hours
— — — —
— — — —
2.0 3.0 4.0 5.0
hours hours hours hours
— — — —
— — — —
— — — —
─ 26 ─
Factory
default Function description
[8] [9]
setting
Set the ON/OFF conditions of the
function setting No. 58 [2] Supply air
0 pre-heater.
No. 59:
Set the threshold of the outdoor tem-
perature that makes the pre-heater
turns ON. (The pre-heater turns ON
when the temperature becomes lower
than the threshold temperature.)
— — 0
No. 60:
Set the time to turn OFF the pre-
heater after the turning ON.
Set the ON/OFF conditions of termi-
nal block TM3 8–10.
[0] Malfunction monitor:
The output turns ON when a mal-
function occurs on the product.
(This is used to indicate malfunc-
tions aside from the controller.)
[1] Outdoor air shutter:
Set the setting so that the output
ON/OFF match with the open/
— — 0 closed of the shutter installed on
the OA duct.
- Output ON (shutter: open) con-
ditions: 10 seconds before start-
ing the supply air fan operation
- Output OFF (shutter: closed)
conditions: The built-in thermis-
tors detect that the outdoor tem-
perature is -18°C or lower and
20 seconds have elapsed after
the supply air fan stopped.
Set the base fan speed.
The setting can be changed with
— — 0 the controller. See "6.4.2.7 Control
mode" of the Installation Manual. The
priority is given to the latest setting.
Set the base fan speed to a higher
priority for the certain period of time.
Use this mode when you want to pri-
— — 0
oritize manual input (input from the
controller or MELCloud application)
over external input control.
Set Show/Hide the CO
tion values connected to the Analog
input 1 of TM200.
Set the settings of "6.4.2.4 Display
details" and "6.4.5.2 Analog input 1"
of the Installation Manual also.
Note
— — 0
If both function settings No. 38 and
84 are [1], only the function setting
No. 84: CO
2
played on the Main display screen.
(Since the same display position is
allocated, the priority is given to the
indication of function setting No. 84:
CO concentration.)
2
Set to Show/Hide "Lossnay core
maintenance indicator setting" on
the controller.
— — 0
Use the function No. 2 to configure
the Lossnay core maintenance icon
display setting.
Reset the function settings done by
— — 0
the user to the factory settings.
concentra-
2
concentration is dis-