Lochinvar
260000, 45000
service manual
Troubleshooting
Specification
Install
System Temperature Rise Chart
Terminal Strip Wiring
Warranty
Maintenance
Outdoor Air Reset Option
Heat Exchanger / Burner Access
Temperature Adjustment
Page 51
Notes
51
Page 50
Page 52
Image 51
Page 50
Page 52
Contents
Models 45,000 260,000 Btu/hr
Contents
Please read before proceeding
Warranty
Codes
Ratings
Solution Boiler =B=R Rating
Temperature and pressure gauge
Solution How it works
Solution How it works
Solution How it works
Location of unit
Determine boiler location
3Combustion Air Direct from Outside
6Combustion Air from Outside Single Opening
Minimum Recommended Combustion AIR Supply to Equipment Room
Venting
Conventional Negative Draft Venting System
Vent Pipe Sizes
Venting
Less from Ridge From Parapet Wall
Vertical Vent Termination Clearances
Fan Assisted Venting
Masonry Chimney Installation
Sidewall Venting Negative Draft
Vent Materials
7Vent Damper and Vent Damper Terminal Block
Automatic Vent Damper
Gas connections
Gas Supply Gas Pressure Test
Gas Connection
Gas Piping
Install Piping to Control
2Wrench
Gas Manifold Pressure Adjustment Procedure
4Gas Supply Pressure
Checking Gas Supply Pressure
Combination Gas Valves
Venting of Combination Gas Valves
Two Stage Burner Control System
Water Flow Switch if equipped
Water connections
Relief Valve
General Plumbing Rules
Typical Heating Boiler Installations
Low Water Cutoff if equipped
Minimum Required Flow For Heating Boiler
Piping of the Boiler System
System Temperature Rise Chart
Heat Exchanger Pressure Drop Chart
Water Connections
Circulator Pump Requirements
Circulator Pump Specifications
Primary/Secondary Boiler Piping
Circulator Pump Operation
Low Temperature Bypass Requirements
Full Flow Application
Boiler Flow Rates
Make UP Water
Primary / Secondary Piping
Make UP Water
6Multiple Boilers Zoned with Circulators
From System
Full System Flow
8Single Boiler Full System Flow with Low Temperature Bypass
Auxiliary Device Connection to Terminal Strip
Terminal Strip Wiring
Boiler Operating Temperature Control
Electrical connections
AMP Draw Data
Temperature Adjustment
Maximum Set Point Determination
Maximum SET Point Determination
Outdoor Air Temperature Sensor
Wiring of Remote Sensors
Installation of Remote Sensors
Additional Temperature Controls
Outdoor Air Reset Option
7Blocked Vent Switch Location
Blocked Vent and Flame Roll-Out / Flame Interlock Switch
Lighting Instructions for Spark Ignition Pilot Models
Pre-start Checklist
Start-up
Initial Start-up
Safety Shutoff Test for Spark Ignition Pilot System
Operating Instructions
To Turn Off Gas to Appliance
Ignition and Control Timings
Intermittent Pilot Spark Ignition System
Freeze Protection
Water Treatment
See the User’s Information Manual for instructions
Maintenance Maintenance and annual startup
Service technician
Owner maintenance
Maintenance
Check Relief Valve
Check Expansion Tank
Perform Start-up and Checks
Check All Wiring
Check Control Settings
Heat Exchanger / Burner Access
Breathing Fresh air
Inspection and Cleaning
Water Circulating Pump
Review with owner
Inspection of Heat Exchanger Waterways
Gas Train and Controls
Troubleshooting Guide M9 Solution Boilers
Troubleshooting
45,000 260,000 Btu/hr Models
Diagrams
Schematic Diagram M9 Unit
Wiring Diagram M9 Unit 45,000 260,000 Btu/hr Models
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