User Guide
18
EM-40-SM Service Manual
Mode 1 and 2 – Two Setpoint Operation - Adjust Menu (2 of 2)
I
tem Field Range Description Access Setting
Au, 0:30 to
9:55 min
S
TAG E DELAY
S
elect the minimum time delay between
stages.
Note: This setting is only available when
S
TAGE MODE is set to PId.
Factory
Installer
Au, 2 to 42°F
(1 to 23°C)
DIFFERENTIAL
Select the boiler differential.
Note: The automatic setting is only available
when STAGE MODE is set to PId staging.
Factory
0 to 10°F
(0 to 6°C)
STAGE DIFFERENTIAL
Select the interstage temperature differential
between stages for proportional staging.
Note: This setting is only available when
STAGE MODE is set to P.
Factory
0:10 to 8:00 min
INTERSTAGE ON DELAY
Select the amount of time that must pass
once a stage has been turned on in order
to allow the next stage to turn on.
Note: This setting is only available when
STAGE MODE is set to P.
Factory
0:10 to 4:00 min
INTERSTAGE OFF DELAY
Select the amount of time that must pass
once a stage has been turned off in order
to allow the next stage to turn off.
Note: This setting is only available when
STAGE MODE is set to P.
Factory
0:10 to 5:00 min
MINIMUM ON TIME
Select the minimum amount of time that
the stage contact must remain on before it
is allowed to turn off.
Note: This setting is only available when
STAGE MODE is set to P.
Factory
0:10 to 5:00 min
MINIMUM OFF TIME
Select the minimum amount of time that
the stage contact must remain off before it
is allowed to turn back on.
Note: This setting is only available when
STAGE MODE is set to P.
Factory
OFF, 0:20 to
9:55 min, On
PUMP DELAY
Select the boiler pump purge time after
shutting off the boiler.
Factory
°F or °C
TEMPERATURE UNITS
Select to display temperature in degrees
Fahrenheit or in degrees Celsius.
Factory
Installer
After the last item, the control returns to the first item in the menu.
ADJUST MENU










