EB-M Installation Manual

04/15/2019 13 BI518
OPERATIONAL TIPS
Electric/Standby Switch
 If this system does not have a standby operating (gas or oil) boiler, this
switch must always be in the ELECTRIC position.
 To activate standby boiler, simply position front panel switch to STANDBY.
Front Panel Monitor Lights
 190°F AUTO RESET LIMIT, red – this will only
illuminate when the vessel hi-limit opens due to
excessive high water temperature. This hi-limit is
self-resetting.
 BOILER POWER, green – basically this is
illuminated at all times. It represents 24-volt power
source, good fuse, controller logic is operational,
and a good outlet sensor. If the outlet sensor is
inoperative, incorrectly wired, or malfunctioning;
this green monitor LED should be pulsing (see
Troubleshooting section).
 ELECTRIC MODE, yellow – when illuminated
the system is in the electric mode. If it is not
illuminated the utility load control receiver is in the
interrupt or on-peak mode. If there is an optional or
remote standby switch, the status of the standby
switch is also monitored by this yellow LED.
 THERMOSTAT CALL, red – indicates a remote
switch closure (thermostat or zoning end switch) is
closed between terminals R and W.
Inside Control Board Monitor Lights
STAGES, red – these four LED’s indicate which electric element stages are on and active.