Reznor, Guardian GB GR and GS, Installation Manual, EN 2021-08, D301214 Iss D Page No 29
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Use PLUS and MINUS to set door input interlock off
or on then OK.
Over temperature stat input interlock is flashing.
Use PLUS and MINUS to set over temperature
stat input interlock off or on then OK to return to
engineers menu.
Blocked filter input interlock is flashing.
Use PLUS and MINUS to set blocked filter input
interlock off or on then OK and to return to
engineers menu.
Note: The lead air curtain controls the interlocks for
all other air curtains on the network.
Note: Not all interlocks are available on all air
curtains. Any interlocks not present on an air curtain
will be ignored. This is done so that future changes
to inputs will not require updated panel operation.
9. Display hours run:
OK Shows lowest numbered air curtain’s hours run.
## below is the air curtain address.
Use PLUS and MINUS to view next air curtain or
Menu to exit back to engineers menu.
10. Set language:
OK starts language flashing.
Use PLUS and MINUS to select language from
available options then OK and back to engineers
menu.
11. Reset connected air curtain address list:
OK starts no flashing.
Use PLUS and MINUS to select yes or no to scan
connected air curtain addresses then OK.
If scan YES then the list of connected air curtains
is cleared and the network scanned for connected
air curtains and when finished returns to engineers
menu.
If scan NO then the sequence returns to the
engineers menu.
Note: This will cause the detected network type,
electric/LPHW to be reset and rediscovered.
12. Reset panel to factory defaults:
OK starts no flashing.
Use PLUS and MINUS to select YES or NO to reset
panel to factory defaults then OK.
If reset YES then the panel is reset to factory
defaults, including clearing the connected air
curtains list, before restarting.
If reset NO then just returns to engineers menu.
Note: This will cause the detected network type,
electric/LPHW to be reset and rediscovered.
13. Engineer’s menu end:
When the user reaches the end of the engineers
menu they have a choice:
OK returns to home screen and MENU restarts
engineers menu.
