User Guide

30
EM-40-SM Service Manual
M
ode 6 and 7 – External Target Temperature Input and Setpoint Operation - Adjust Menu (2 of 2)
Item Field Range Description Access Setting
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
External Input Signal
0:10 or 2:10
EXTERNAL INPUT SIGNAL
Select the range of the external input
signal.
Factory
Offset
-10 to +10°F
(-6 to +6°C)
OFFSET
Select the amount of offset when the boiler
target is determined from an external input
signal.
Factory
°F or °C
TEMPERATURE UNITS
Select to display temperature in degrees
Fahrenheit or in degrees Celsius.
Factory
Installer
ADJUST MENU
After the last item, the control returns to the first item in the menu.