LAARS HEATING SYSTEMS
Page 2
TABLE OF CONTENTS
SECTION 1.
General Information
1A.
Introduction ................................................... 3
1B.
Warranty ....................................................... 3
1C.
Field Assembly ............................................. 3
1D.
Flow Requirements ...................................... 4
1E.
Boiler Placement .......................................... 4
1F.
Gas Supply and Piping ................................. 5
1G.
Combustion Air Supply ................................. 6
1H.
Venting ......................................................... 7
1H-1.
Common Venting System ............................. 8
1I.
Water Piping of Boiler System ...................... 8
1I-1.
By-pass Piping ............................................. 8
1J.
Chilled Water Systems ............................... 10
1K.
Electrical Wiring .......................................... 10
1L.
Filling the System ....................................... 12
SECTION 2.
Installation Instructions
2A-1.
System Start-up .......................................... 14
2A-2.
High Altitude Burner
Air Shutter Replacement ............................ 15
2A-3.
Sequence of Operation .............................. 16
2B.
Water Temperature Setting ........................ 16
2C.
Maintenance ............................................... 16
2D.
Electrical Troubleshooting .......................... 17
SECTION 3.
Parts List .................................................... 21