Reznor, Guardian GB GR and GS, Installation Manual, EN 2021-08, D301214 Iss D Page No 25
C
If there is any error from the air curtain that will
display in the bottom line. Errors are:
“COMMS ERROR”
“SENSOR ERROR”
“OS SENSOR ERROR”
“PCB TEMP ERROR”
“BLOCKED FILTER”
“STAT TEMP ERROR”.
Examples:-
User operation
Press MENU button to enter User mode
Order of programming menu:
1. Set operating mode On/Off/Auto, All or
Individually.
OK starts address flashing with ALL.
Use PLUS and MINUS to select all or single address
then OK. Operating mode starts flashing.
Use PLUS and MINUS to select On, Off or Auto then
OK to set. If address was ALL the sequence finishes
and returns to MENU. If address was individual then
next address is flashing. Use PLUS and MINUS to set
address, then OK to modify mode or Menu to exit.
2. All Off mode.
A single press of OK quickly starts OFF operation for
all air curtains, no heat and no fan, and then
returns to default display.
3. All Auto mode.
A single press of OK quickly starts Auto timed
operation for all air curtains and then returns to
default display.
When in Auto mode during an on time period the air
curtain controls to the individually set temperatures
and fan speeds.
When in Auto mode during an off time period the
air curtain has no heat and no fan.
4. All On mode.
A single press of OK quickly starts On operation for
all air curtains and then returns to default display.
5. All Heat Off.
A single press of OK quickly starts Heat operation for
all air curtains and then returns to default display.
6. Set door open temperature, all or individually (not
if LPHW system).
OK starts address flashing with ALL. Use PLUS and
MINUS to select all or single address then OK.
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 the sequence then finishes and
returns to MENU.
If address was individual then next address is
flashing. Use PLUS and MINUS to set address, OK to
modify temperature or MENU to exit.