LAARS Mighty Therm PH (Sizes 500-1825) - Installation, Operation and Maintenance Instructions User Manual
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LAARS Heating Systems
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TABLE OF CONTENTS
SECTION 1.
General Information
1A.
Introduction ................................................... 3
1B.
Boiler Identification ....................................... 3
1C.
Flow Requirements ....................................... 3
1D.
Variable Water Flow Systems ....................... 4
1E.
Warning Regarding Chilled
Water Systems ............................................. 5
1F.
Freeze Protection ......................................... 5
SECTION 2.
Installation
2A.
Boiler Placement .......................................... 6
2B.
Installation of Indoor Boilers .......................... 6
2B-1.
Combustion Air Supply ................................. 6
2B-2.
Venting ......................................................... 8
2C.
Installation of Outdoor Boilers ....................... 9
2D.
Gas Supply and Piping ................................. 9
2E.
Electrical Wiring .......................................... 10
2F.
Water Piping of System .............................. 11
2G.
Filling Fully-Connected System ................... 11
SECTION 3.
Operation
3A.
Controls - General ...................................... 12
3B.
Initial Start-Up ............................................. 13
3C.
To Start Up System .................................... 13
3D.
To Turn Off Boiler ....................................... 14
3E.
To Shut Down System ................................ 14
SECTION 4.
Maintenance
................................................................... 14
SECTION 5.
Troubleshooting and Analysis of
Service Problems
................................................................... 16
SECTION 6.
Parts Descriptions and
Order Numbers
................................................................... 18
SECTION 7.
Outdoor Parts Descriptions and
Order Numbers
................................................................... 26
SECTION 8.
Optional Parts Descriptions and
Order Numbers
................................................................... 28