LAARS Mini-Therm JVS (Sizes 50-225) - Install and Operating Manual User Manual
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LAARS Heating Systems
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TABLE OF CONTENTS
SECTION 1.
General Information
1A.
Introduction ....................................................3
1B.
Warranty ........................................................3
1C.
Heater Identification .......................................4
SECTION 2.
Boiler Assembly & Placement
2A.
Field Assembly ..............................................4
2B.
Boiler Placement ...........................................5
2C.
Flooring ..........................................................5
2D.
Dimensional Information ................................6
2E.
Clearance / Closet Installations .....................8
SECTION 3.
Air and Venting
3A.
Combustion Air Supply ..................................9
3B.
Venting .........................................................10
3C.
Vertical Venting - Category I ........................ 11
3D-1 Horizontal Venting - Category III ..................12
3D-2 Venting Connections ....................................12
3D-3 Vent Terminations ........................................13
3E.
Common Venting System ............................13
SECTION 4.
Gas Connections
4A.
Gas Supply and Piping ................................13
4B.
Special Precautions for LP .........................15
SECTION 5.
Water Connections
5A.
Water Piping ................................................15
5B.
By-pass Piping .............................................17
5C.
Adjusting the bypass ...................................17
5D.
Alternate Auto-Bypass Operation ................17
5E.
Flow Requirements ......................................18
5F.
Chilled Water Systems ................................18
5G.
Oxygen Permeable Systems .......................18
5H.
Anti-Freeze ..................................................18
SECTION 6.
6A.
Electrical Wiring ...........................................20
6B.
Outdoor Reset .............................................20
SECTION 7.
7A.
Filling the System ........................................25
SECTION 8.
Operating Procedures
8A.
System Start-up ...........................................26
8B.
Sequence of Operation ................................26
8C.
Operating Instructions, JVH .........................27
8D.
Operating Instructions, JVS .........................28
8E.
Operating Temperature Control ...................29
SECTION 9.
9A.
Maintenance ................................................31
9B.
Electrical Troubleshooting ...........................32
SECTION 10. Replacement Parts
10A. Glossary of Terms ........................................35
10B. Parts List JVH ..............................................36
10C. Parts List JVS ..............................................38