Reznor, Guardian GB GR and GS, Installation Manual, EN 2020-06, D30121 Iss B Page No 23
C
Figure 24 Air curtain address numbers.
Power-up manual reset
The system can be reset by powering-up the
panel whilst holding down the
SELECT
and
–
buttons.
The display shows the ‘start’ pattern but then
goes blank.
Release the buttons where upon the display resumes
and the system addressing commences, finding only
those air curtains which are actually connected and
working.
If
appears on the display, press and hold
the
+
button for a few seconds then release. The
display will then return to the normal mode
User Instructions
Keypad buttons
The buttons have the following functions:-
SELECT
Press the select button to allow navigation.
+
Press the + button to increase a setting.
–
Press the – button to increase a setting.
Keypad display
.
Operation - Ambient & LPHW Models Only
On first power up, the display will show and have the
following default settings:
• F. 0
(no fan)
• H. 0
(no heat)
• 16
(°C. Heat set point)
If no Air Curtains are detected the display will
show:
Note: Subsequent power ups will retain any entered
settings in the display internal memory.
In normal operation the display will show for example:
‘1’ denotes the Air Curtain ADDRESS, and ‘27’ the current
outlet temperature.
If the display is delivering power it will then show
If an external temperature sensor is fitted, then the display
will also show
Standard settings
Press the
SELECT
button. This will cause the display to
brighten and display Air Curtain number and it’s set point
temperature.
Pressing the
SELECT
button again will show the fan
setting eg.
Figure 25 Wiring of 2 or more networked air
curtains.
E ng
Guardian 1
Guardian 2
RJ45
RJ45
