Reznor, Guardian 1 Phase Electric Heat with Signal Pro, Installation Manual, EN 2021-11, D301375 Iss 0 Page No 19
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Keypad buttons
The buttons have the following functions:-
MENU enters the programming menu and advances
item to program in order below.
OK starts programming of visible item, value flashes
during programming.
PLUS and MINUS adjust the value.
OK saves the modified value or MENU stops
programming with value reverting to old
value.
If more than one air curtain is connected to the
network then for some settings all controls can be
set together or controls can be set individually. Only
controls that are present on the system can be
programmed, others are skipped over.
Air curtains are addressed as 0 to 15 by the display,
corresponding to bit switch settings 0 to F on the
air curtain control.
Keypad display
AC:0 - denotes air curtain address ‘0’
22° - denotes internal temperature 22°C
H:OFF - denotes Heat off status
DOOR CLOSED - denotes door closed status
Th - denotes Day on Thursday
13:08 - denotes 1:08pm (24 hr clock)
ON1 - ‘ON’ denotes this air curtain is active, ‘1’
denotes Internal Timer
OS:23° - denotes Outside temperature 23°C
Operation
In normal operation the home screen displays the
status of the display panel and each connected air
curtain in sequence. Each screen is displayed for two
seconds.
Display Status
Top line shows day and time.
If the panel is using internal timer then the program
time status, “ON1”, “OFF1” etc will also show.
Bottom line shows the outside temperature which is
an average of all connected outside sensors.
If the panel has low battery then “LOW BATT” is also
displayed.
If Overtime is active then the panel status instead
shows overtime countdown in the top line.
Top line shows air curtain address, measured
temperature (air outlet temperature for electric AC
or flow temperature for LPHW AC), heating on “H1”
or off “H0”, and fan speed “F0” for off or “F1”,
“F2”, F3”. Ambient AC shows “Ambient” in place
of flow temperature and heat.
Bottom line shows operating mode: “ON MODE”,
“OFF MODE” or “AUTO”. If the air curtain has an
active input that will be shown in the bottom line as
either “DOOR CLOSED” or “TIMER OFF”.
If the air curtain is off due to outside temperature
limit then that will be shown in the bottom line as
“OS TEMP LIMIT”.
If appropriate, interlock status “INTERLOCK DOOR”,
“INTERLOCK TIMER”, “INTERLOCK FILTER” or
“INTERLOCK STAT” will show in the bottom line.
Figure 25 Wiring of 2 or more networked air
curtains.
Figure 24 Air curtain address numbers
Summary of Contents for GUARDIAN GB 1000
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