PEERLESS PUREFIRE PFW-199, Installation, Operation & Maintenance Manual

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f. Finally, to set a fixed date:
• Press the Select key while viewing Screen #5,
shown in Figure 8.46, and press the t and s
keys to change the Date (0-31). Press the
Select key again to advance to the Month.
• Press the
Þ
and
Ý
keys to change the Month
(JAN-DEC). Press the Select key again to
advance to the Year.
• Press the
Þ
and
Ý
keys to change the Year.
Press the Select key again to save.
4. Installer Menu – System Test
a. To allow service technicians to run the system at a
fixed input rate for commissioning and
troubleshooting purposes, the boiler control is
equipped with a System Test function.
b. Use the
Þ
and
Ý
keys to move the arrow pointer
to the desired menu option. Then press Select to
choose it.
c. Choosing “Low Power” will operate the boiler at
its minimum input rate. A “SYSTEM TEST”
message will blink at the top of the status screen
and the boiler will run at it minimum temperature
unless either the temperature of the tank or boiler
supply is at or above the setpoint. In this case, the
control will not fire until both temperatures are
below the setpoint.
d. When the boiler first starts, the modulation rate
indication display the ignition modulation rate
(approximately 70%) lower left of the screen.
Once the burner is lit, the input rate will drop to it
minimum and 1% will be displayed to indicate
minimum modulation rate. See Figure 8.48.
e. Similarly, choosing “Maximum Power” will operate
the boiler at its rated capacity. With this selected
the display will show 100% after ignition is
established.
5. Installer Menu – Default Settings
a. The Infinite Energy boiler allows a service person
to reset all of the boiler settings to the default
settings that were set up at the factory. To reset the
default values choose “Default Values” from the
Installer Menu. Figure 8.49 shows the Factory
Defaults Reset screen. Simply press the
Select
key to reset the factory default values.
b. The control also allows the service technician to
Save and then Restore site default settings. The
screens depicted in Figure 8.50 and 8.51 show
these options.
6. Installer Menu – Cascade Settings (Multiple
Boilers)
a. The boiler allows system designs that include up
to 8 boilers cascading operation without the use of
external sequencing controls.
b. Figure 8.52 illustrates the wiring for
interconnecting cascaded boilers. No other wiring
is required between the boilers.
c. Managing Boiler Designation: To set up the
cascade system, one of the boilers is to be
designated the Managing boiler. This will be the
boiler that controls the system and will be
connected to the tank temperature sensor or tank
thermostat.
• First , switch the Master Switch Lever to the
“ON” position. The Master Switch Lever is in
the “ON” position when it is moved toward
the center of the printed circuit board as
shown in Figure 8.53.
• Next, from the installer menu, choose Cascade
Settings from the Installer Menu. Figure 8.54
shows the Address Selection screen that is
used to identify boilers in the cascade system.
Press the Select key and then use the Ý key to
change from “0” (indicating a stand-alone
boiler) to “1” (indicating the Managing Boiler).
Figure 8.46: Notification on Date
Figure 8.47: System Test Menu
Figure 8.48: System Test Status Display
Figure 8.49: Restore Factory Defaults
Figure 8.50: Save Site Defaults
Figure 8.51: Restore Site Defaults
BOILER CONTROL: INTERNAL WIRING & OPERATION