Lochinvar ARMOR 150 - 800 - Manual (Page 4)

4
Service Manual
What is in this manual?
Service
Near water heater piping
• Typical system components
The Armor water heater 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 water heater operates
• How the control module operates
• Access modes -- user and installer
• Sequence of operation -- Water Heating
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.
Armor water heater operation
• A: General
• C: Data Logging
• D: Functions
• E: WHR Settings
• H: Control Modes
• I: Circulation Pumps
• J: Service Notification
Maintenance
• Service and maintenance schedules
• Address reported problems
• Inspect water heater area and water heater 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 water heater relief valve
• Inspect ignition electrode
• Check ignition ground wiring
• Check all water heater wiring
• Check control settings
• Perform start-up and checks
• Check burner flame
• Check flame signal
• Check flue gas temperature
• General maintenance
• Review with owner
• Cleaning the water heater heat exchanger
• Oiled bearing circulators
Troubleshooting
• Troubleshooting table - No display
• Checking temperature sensors
• Sensor tables
• Troubleshooting table - Fault messages displayed on the
water heater interface
• Combustion analysis procedure
• Gas valve adjustment procedure