Lochinvar COMMERCIAL GAS WATER HEATERS, Instruction Manual

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4
SAFE INSTALLATION, USE AND SERVICE............................2
GENERAL SAFETY..................................................................3
TABLE OF CONTENTS ............................................................4
INTRODUCTION ......................................................................4
Preparing for the New Installation .....................................4
TYPICAL INSTALLATION ..................................................... 5-6
LOCATING THE NEW WATER HEATER .................................7
Facts to Consider About Location ................................. 7-8
Insulation Blankets ............................................................8
Combustion Air and Ventilation for Appliances
Located in Unconfi ned Spaces .........................................8
Combustion Air and Ventilation for Appliances
Located in Confi ned Spaces ......................................... 8-9
INSTALLING THE WATER HEATER ......................................10
Water Piping ..............................................................10-11
Temperature-Pressure Relief Valve ................................11
Filling the Water Heater ..................................................12
Venting ...................................................................... 12-13
Gas Piping ................................................................ 13-14
Sediment Traps ...............................................................14
LIGHTING & OPERATING LABEL .........................................15
TEMPERATURE REGULATION ............................................16
FOR YOUR INFORMATION ............................................. 16-17
Start Up Conditions .........................................................16
Draft Hood Operation ......................................................16
Condensate............................................................... 16-17
Smoke/Odor ....................................................................17
Thermal Expansion .........................................................17
Strange Sounds ..............................................................17
OPERATIONAL CONDITIONS ...............................................18
Smelly Water ...................................................................17
“Air” in Hot Water Faucets ..............................................17
High Temperature Shut Off System ................................17
PERIODIC MAINTENANCE ...................................................18
Venting System Inspection..............................................18
Burner Inspection ............................................................18
Burner Cleaning ..............................................................18
Housekeeping ........................................................... 18-19
Anode Rod Inspection.....................................................19
Temperature-Pressure Relief Valve Operation ...............19
Draining...........................................................................19
Drain Valve Washer Replacement ............................ 19-20
Service ............................................................................20
LEAKAGE CHECKPOINTS ....................................................20
REPAIR PARTS ......................................................................21
TROUBLESHOOTING ...........................................................22
NOTES ...................................................................................23
WARRANTY ......................................................................Insert
Thank You for purchasing this water heater. Properly installed and
maintained, it should give you years of trouble free service.
Abbreviations Found In This Instruction Manual:
• CSA - Canadian Standards Association
• ANSI - American National Standards Institute
• NFPA - National Fire Protection Association
• ASME - American Society of Mechanical Engineers
• GAMA - Gas Appliance Manufacturer’s Association
This gas-fi red water heater is design certifi ed by CSA INTERNATIONAL
under American National Standard/CSA Standard for Gas Water
Heaters ANSI Z21.10.1 • CSA 4.1 (current edition).
PREPARING FOR THE INSTALLATION
1. Read the “General Safety” section, page 3 of this manual fi rst and
then the entire manual carefully. If you don’t follow the safety rules,
the water heater will not operate properly. It could cause DEATH,
SERIOUS BODILY INJURY AND/OR PROPERTY DAMAGE.
This manual contains instructions for the installation, operation, and
maintenance of the gas-fi red water heater. It also contains warnings
throughout the manual that you must read and be aware of. All
warnings and all instructions are essential to the proper operation
of the water heater and your safety. Since we cannot put everything
on the fi rst few pages,
READ THE ENTIRE MANUAL BEFORE
ATTEMPTING TO INSTALL OR OPERATE THE WATER
HEATER.
2. The installation must conform with these instructions and the local
code authority having jurisdiction. In the absence of local codes,
installations shall comply with the National Fuel Gas Code ANSI
Z223.1/NFPA 54. This publication is available from the Canadian
Standards Association, 8501 East Pleasant Valley Rd., Cleveland
Ohio 44131, or The National Fire Protection Association, 1
Batterymarch Park, Quincy, MA 02269.
3. If after reading this manual you have any questions or do not
understand any portion of the instructions, call the local gas utility
or the manufacturer whose name appears on the rating plate.
4. Carefully plan the place where you are going to put the water
heater. Correct combustion, vent action, and vent pipe installation
are very important in preventing death from possible carbon
monoxide poisoning and fi res, see Figures 1 and 2.
Examine the location to ensure the water heater complies with
the “Locating the New Water Heater” section in this manual.
5. For California installation this water heater must be braced,
anchored, or strapped to avoid falling or moving during an
earthquake. See instructions for correct installation procedures.
Instructions may be obtained from California Offi ce of the State
Architect, 400 P Street, Sacramento, CA 95814.
6. Massachusetts Code requires this water heater to be installed in
accordance with Massachusetts 248-CMR 2.00: State Plumbing
Code and 248-CMR 5.00.
7. Complies with SCAQMD rule #1121 and districts having equivalent
NOx requirements.
INTRODUCTION
TABLE OF CONTENTS