Reznor, Guardian GB GR and GS, Installation Manual, EN 2021-08, D301214 Iss D Page No 27
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OK returns to home screen and MENU restarts the
MENU at All On Mode.
Engineers instructions
Press ‘+’ and MENU buttons to enter Engineers
mode.
OK starts programming of visible item, value flashes
during programming.
PLUS and MINUS adjust value.
OK saves modified value or MENU stops
programming.
Order of programming menu:
1. Set door open fan speed, all or individually:
OK starts address flashing with ALL.
Use PLUS and MINUS to select all or single address
then OK.
Fan speed starts flashing. Use PLUS and MINUS to
select off, 1, 2, 3 then OK to set.
If address was all then the sequence finishes and
returns to engineers menu.
If address was individual then next address is
flashing. Use PLUS and MINUS to set address, OK to
modify or Menu to exit.
2. Set door closed fan speed:
OK starts address flashing with ALL.
Use PLUS and MINUS to select all or single address
then OK.
Fan speed starts flashing. Use PLUS and MINUS to
select off, 1, 2, 3 then OK to set.
If address was all then the sequence finishes and
returns to engineers menu.
If address was individual then next address is
flashing. Use PLUS and MINUS to set address, OK
to modify the fab speed or MENU to exit back to
engineers menu.
3.Set door closed temperature:
Door closed temperature is only displayed if the
system is detected as electric or legacy LPHW.
OK starts address flashing with ALL.
Use PLUS and MINUS to select all or single address
then OK.
Door temperature starts flashing. Use PLUS and
MINUS to select temperature, range is fixed by low
and high limits, then OK to set.
If address was ALL then the sequence finishes and
returns back to the engineers menu.
If address was individual then next address is
flashing. Use PLUS and MINUS to set next address,
OK to modify the temperature or MENU to exit back
to engineers menu.
4. Set LPHW flow/return temperature:
Flow/return temperature is only displayed if the
system is detected as LPHW/Ambient. Ambient
air curtains will just ignore the setting. The flow/
return setting is used for all LPHW air curtains on the
network.
OK starts flow/return temperature flashing.Use
PLUS and MINUS to select the correct flow/return
temperature for the heat exchanger specification
from the selection of: 82/71, 80/70, 70/60, 60/50,
50/40 then OK to set.
5. Set outside temperature operation:
OK starts outside temperature limit flashing.
