C. AVAILABLE DOMESTIC HOT WATER
MODES
D. DISPLAY UTILIZATION
31
BOILER CONTROL: INTERNAL WIRING & OPERATION
Table 8.2: Series PBC™ Domestic Hot Water Modes
Central
Heating
Mode
Mode Description
Mode Operation
0
No Domestic Hot Water
– Disables DHW sensor and functionality.
– Boiler will function only for Central Heat.
5
Instantaneous Domestic Hot Water
– Demand initiated by Domestic Flow Sensor detecting an open tap.
– Boiler Targets user chosen DHW setpoint.
– 30 min domestic hot water priority (installer adjustable).
– Domestic hot water pre-heat.
*While accessible via the Installer menu, DHW modes 2, 3, 4, 6, 7, and 8 are not functional with the Series PBC™ boiler.
Figure 8.1: 900LB Display Buttons
Table 8.3: Display Button Functions
Button
Default Screen
Menu Selection- User/Installer Level
Lockout
L1
Adjust CH setpoint up
(CH Mode 0 and 3 only)
Back
None
L2
Adjust CH setpoint down
(CH Mode 0 and 3 only)
Back
None
R1
Adjust DHW setpoint up
Change Selection Up
None
R2
Adjust DHW setpoint down
Change Selection Down
None
M
Enter Menu Selection
Enter menu
Select item for change,
Confirm change (return to menu selection)
Confirm PIN digit (Password menu)
Hold for Manual Reset
(2sec)
Summary of Contents for PBC-34
Page 22: ...20 WATER PIPING AND CONTROLS Figure 4 6 Recommended Central Heat Piping...
Page 23: ...21 Figure 4 7 Recommended Domestic Hot Water Piping WATER PIPING AND CONTROLS...
Page 31: ...29 Figure 7 2 Wiring Schematic and Connection ELECTRICAL CONNECTIONS...
Page 45: ...E LIGHTING OPERATING PROCEDURES 43 START UP PROCEDURE...
Page 57: ...THIS PAGE INTENTIONALLY LEFT BLANK...
Page 60: ...58 REPAIR PARTS Figure 13 2 PBC 34 Combustion Components...
Page 62: ...60 REPAIR PARTS Figure 13 3 PBC 40 and PBC 52 Combustion Components...
