55110331-01 - 5/20
PHTM II
Installation, Operating & Service Instructions
16 Operation (continued)
Menu Structure
WARNING
Asphyxiation Hazard.
• Parameter changes should only be
made by a qualified service technician.
• Fuel Gas Selection (parameter A06)
must match fuel gas supply AND gas
valve setting selection (see Figure 15-3).
• Altitude Selection must match boiler
installation location. Only change
these settings if required to match site
conditions. These settings determine
minimum and maximum blower speeds.
• Incorrect fuel gas and altitude settings could
cause unreliable operation at elevated carbon
monoxide (CO) levels, resulting in severe
personal injury, death or substantial property
damage.
!
Press and hold the "menu" for 3 seconds,
Press "" or "" buttons until PAS is visible and press "enter".
Press "enter" while PAS is visible.
Press "enter" while PA1 is visible.
Press "+" or "-" buttons until desired value is reached
(password is 86).
(Press and hold for 5 seconds enables
adjustment by increments of 10)
Press "enter" to accept value (password only).
Pressing "menu" to exit.
+
–
Navigating Menus
Entering password in "Adjust Mode" allows access shaded menus below and additional items in Quick Menu.
Accessing Password Protected Menus
Password protected parameters are available by entering a password.
reset
Figure 16-10: Menu Structure
"" or ""
IMPORTANT
This boiler is equipped with a feature that saves
energy by reducing boiler water temperature
as heating load decreases. This feature is
equipped with an override which is provided
primarily to permit the use of an external energy
management system that serves the same
function. THIS OVERRIDE MUST NOT BE USED
UNLESS AT LEAST ONE OF THE FOLLOWING
CONDITIONS IS TRUE:
• An external energy management system is
installed that reduces boiler water temperature
as heating load decreases.
• This boiler is not used for any space heating.
• This boiler is part of a modular or multiple
boiler system having total input of 300,000
BTU/hr or greater.
• This boiler is part of a modular or multiple
boiler system having total input of 300,000
BTU/hr or greater.
• This boiler is equipped with a tankless coil.
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