23
Anti-short cycle
Preset time must be satisfied before
heater is allowed to start the ignition
sequence.
Range: 0 to 10 minutes
Default: 0.3
Password
(not used)
A 3-digit code “225” is required to
restore the controller to its default
settings. A Plug-in Module (PIM) is
required to perform a backup.
8.4
DIAGNOSTIC MODE
From USER mode:
1) Press and hold the ‘Next’ button for 3 seconds.
2) The ‘Diag’ icon will be displayed in the Operating Mode portion of the display. The installer can change screens by
pressing the ‘Next’ button
Display
Display Readout
Description
Flame Current
High Fire: 20 - 22µA
Low Fire: 11 - 13µA
Alert Code
Alerts do not require manual
intervention. The last received alert
code is displayed in User mode. To
clear the alert code, press the Reset
button.
Refer to Table 13 in Section 5.4.2 for
more details. Alerts are automatic
reset errors.
Lockout Code
Lockouts cause the boiler to
shutdown and require a manual reset
to clear the error. The last received
lockout code is displayed. Pressing
the ‘Reset’ button clears the Lockout
code and resets the TH Control.
Refer to Table 12 in Section 5.4.1 for
more details. Lockouts require a
manual reset on the TH display
panel.
Maximum Outlet Temperature
When outlet temperature exceeds
this value. This results in an alert
code being flashed.
Default: 210
o
F (99
0
C)
DHW Maximum Temperature
This parameter does not apply to the
TH as the inlet sensor to the heat
exchanger acts as the DHW sensor.
Default: - - -, N/A
