Instruction manual

53
10.2.6.2 Link-group interlock
If there is more than one air curtain, a group
interlock option may be set. This provides an
alternative fan speed and heat setting when
activated by certain external connections on
individual air curtains.
This function is accessed by pressing the
button until the display shows
(where ’0’ is the air curtain address to be used
as a master unit for interlocks.)
See table below for possible settings.
Display Meaning
Default setting
to Master setting range
Other air curtains
0 C0
0 C1
1 C-
0 C7
0 C0
1 Timer/BMS interlock
2 Door interlock
3 Timer/BMS/door interlock
4 Stat interlock
5 Timer/BMS/stat interlock
6 Stat/door interlock
7 Timer/BMS/stat/door interlock
Master setting Function
10.2.6.4 External temperature
This is only displayed if the factory supplied
optional external temperature sensor is
connected to the air curtain.
This function is accessed by pressing the
button until the display shows
Use the and buttons to change to the
desired temperature setting.
If the external temperature is equal to the set
temperature, all air curtains are turned off. The
temperature must then drop to 3°C below the
set temperature before the air curtains are
turned back on.
Note: for multiple air curtains - more than one
can have an external sensor connected. When
this is the case the sensor values are displayed
as an average. (If one external sensor goes
faulty, the average is worked out from the
remaining working ones).
o 25
Example with offset at 9
0 t0
Display Meaning
Heat off
5°C
10°C
15°C
20°C
25°C
30°C
35°C
0 t1
0 t2
0 t3
0 t4
0 t5
0 t6
0 t7
The temperature setting when the door link is
open circuit is accessed by pressing the .
button until the display shows
Use the and buttons to alter the
temperature value.
0 t0
10.2.6.3 All air curtains
This function is accessed by pressing the
button until the display shows
Using this setting all air curtains in a network
respond to the same settings. Settings for
individual air curtains can still be changed if
required.
≡ 25
10.2.6.5 External temperature offset
This function is accessed by pressing the
button until the display shows
This setting allows the temperature setpoint to
be automatically increased as the external
temperature falls to, or below, zero. For
instance, a setting of 4 means a +4°C offset at
0°C. The maximum offset is 9°C. If this feature
is not required the setting should be
Note: When more than one air curtain is used,
this feature will only work under the
’ all controllers’ setting.
oo4
oo0
Keypad set
temp 20°C
Outside temp
Set point 18°C
Actual outside
temp 0°C
29°C
9°C
24.5°C