What is in this manual?
Service
Near boiler piping
• Typical system components
The Crest boiler display
• Display panel readout, buttons and their functions
Control module inputs
• Control module inputs and options
Control module outputs
• Control module outputs and options
General
•How the boiler operates
•How the control module operates
•Access modes
•Sequence of operation
Control panel menu access
•Accessing programming mode and locating menus (See separate guide covering the PC interface.)
Control panel parameter access
• Accessing and changing parameters from the display panel
Quick start information -- parameter table
•An index of available adjustments and readouts, where to access them and where to find detailed information.
Crest boiler operation
•Initial Setup
•Set Points
•Outdoor Reset
•Ramp Delay
•BMS
•Advanced Setup
•SH Night Setback
•HWG Night Setback
•Cascade
•Pumps
•Service Notification
Service Manual
Maintenance
•Service and maintenance schedules
•Address reported problems
•Inspect boiler area and boiler interior
•Clean condensate trap
•Check all piping for leaks
•Check air openings
•Flue vent system and air piping
•Check water system
•Check expansion tank
•Check boiler relief valve
•Inspect ignition electrode
•Check ignition ground wiring
•Check all boiler wiring
•Check control settings
•Perform
•Check burner flame
•Check flame signal
•Check flue gas temperature
•General maintenance
•Review with owner
•Cleaning boiler heat exchanger
•Oiled bearing circulators
Troubleshooting
•Troubleshooting table - No display
•Checking temperature sensors
•Sensor tables
•Troubleshooting table - Fault messages displayed on boiler interface
•Combustion analysis procedure
•Gas valve adjustment procedure
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