49
LP-542 REV. 7.16.15
Cascade Number
Range: 00 (Master), 01 (follower 1), …., 19 (follower 19) Default: 00
NOTE: “28:cP” needs to be set on the Master boiler with total number of
cascaded units before setting “27: cn”
NOTE: The Master boiler must always be addressed 00.
Total number of cascaded units (Set on cascade Master boiler ONLY.)
NOTE: 28:cP will not appear on Follower boilers once it has been selected on
the Master.
Range: 01 – 20 (Default: 01)
Common Vent
Range: ON / OFF
Automatic rotation (default)
The first unit to operate when there is a T/T call is the unit that ran the least
amount of time during the prior heat calls (burner ON time).
Cascade Rotation time
Range: 0-240 Hours
Cascade System temperature
Cascade System temperature:
Range: 95F – 180F
Cascade System Temperature
Differential (burner ON)
Cascade System Temperature Differential (burner ON)
Range: 5-30 F
High Elevation Mode (0-2, 2-5, 5-8, 8-10)
CH System Pump and DHW
Indirect Pump Test Mode
This function sets the time to run Boiler pump, CH System pump or DHW
Indirect pump to purge air from the system. Range: 1 – 30 minutes
Boiler and CH System Pumps Test
Mode
Turn this function on to activate Boiler pump and CH System pump.
Only works in installation mode. Turns off when in normal mode.
DHW Indirect Pump Test Mode
Turn this function on to activate DHW Indirect pump.
Only works in installation mode. Turns off when in normal mode.
Allows the user to set the date of next service reminder
XX / XX / XXXX (MONTH / DAY / YEAR)
A wrench will be displayed on the display panel when the service is due.
Allows the user to set the year of
next service reminder
Allows the user to set the service
reminder based on BURNER RUN
HOURS
Allows the user to set the service reminder based on BURNER RUN HOURS
A clock will be displayed on the display panel when the service is due.
Range: 00 indexing to 9,999 hours
NOTE: Two digits will appear initially. As you scroll to the right more digits will
appear.
Allows the user to change the
unit
Allows the user to change the unit
Range: F or C
Allows the user to turn ON the step modulation, which regulates burner output
in six steps at one minute intervals. Step modulation will start at the last
modulation rate of the boiler and work up one minute at a time. Default: OFF
(Selection: OFF or ON).
An aquastat or indirect sensor can be used when using an indirect water
heater. Range: AquA or SEnS. Default: AquA
NOTE: If an aquastat is used and SEnS is selected, the boiler will not operate
and Er.32 will display. If a sensor is used and AquA is selected, the boiler will
not operate. No error will display.
Table 23 – Installer Mode Descriptions
H. ERROR MODE
The following screen will display when the boiler encounters an error. The boiler control is able to record information about the boiler’s
condition at the time of the ten previous faults or errors. This information is available to view in the Installer Mode under the History
screen.
Figure 42 – Error Mode Screen