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Installation and Operating Manual
RESIDENTIAL GAS WATER HEATERS
POWER VENTED GAS MODELS
WITH HOT SURFACE IGNITION
NOT FOR USE IN MANUFACTURED (MOBILE) HOMES
300 Maddox Simpson Parkway
Lebanon, TN 37090
Phone: 615-889-8900 • Fax: 615-547-1000
Technical Services email: 2tech@lochinvar.com
www.lochinvar.com
•
•
For Your Safety
AN ODORANT IS ADDED TO THE GAS USED
BY THIS WATER HEATER.
ALL TECHNICAL AND WARRANTY QUESTIONS: SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS
PURCHASED. IF YOU ARE UNSUCCESSFUL, PLEASE CONTACT THE COMPANY LISTED ON THE RATING PLATE ON THE WATER HEATER.
KEEP THIS MANUAL IN THE POCKET ON HEATER FOR FUTURE REFERENCE
WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.
1210
324084-001
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Table of Contents
Related Manuals for Lochinvar POWER VENTED GAS HEATERS
Summary of Contents for Lochinvar POWER VENTED GAS HEATERS
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Page 1: For Your Safety
WITH HOT SURFACE IGNITION NOT FOR USE IN MANUFACTURED (MOBILE) HOMES 300 Maddox Simpson Parkway Lebanon, TN 37090 Phone: 615-889-8900 • Fax: 615-547-1000 Technical Services email: 2tech@lochinvar.com www.lochinvar.com • • For Your Safety AN ODORANT IS ADDED TO THE GAS USED BY THIS WATER HEATER. -
Page 2: Table Of Contents
Installation Of Vent System ....28 Planning The Vent System ....28 High Ambient Temperature Installations ..28 www.lochinvar.com... -
Page 3: Safe Installation, Use And Service
The gas supplier typically has responsibility for the inspection and code approval of gas piping up to and including the Natural Gas meter or Propane storage tank of a building. Many gas suppliers also offer service and inspection of appliances within the building. www.lochinvar.com... -
Page 4: General Safety
GENERAL SAFETY www.lochinvar.com... - Page 5 2. in approved containers, 4. can be carried from other 3. tightly closed and rooms to the the 4. out of children's reach. electodes by air currents. Installation: Do not install the water heater where flammable products will be stored or used. www.lochinvar.com...
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Page 6: Introduction
It also contains warnings throughout the manual that you must read and be aware of. All warnings and instructions are essential to proper operation of the water heater and your safety. Since www.lochinvar.com... -
Page 7: Installation Requirements For The Commonwealth Of Massachusetts
A copy of all installation instructions for all Product Approved side wall horizontally vented gas fueled equipment, all venting instructions, all parts lists for venting instructions, and/or all venting design instructions shall remain with the appliance or equipment at the completion of the installation. www.lochinvar.com... - Page 8 2.) ALL WATER PIPING MUST BE INSTALLED AND INSULATED IN ACCORDANCE WITH MASSACHUSETTS CODE (248 CMR & 780 CMR). 3.) PIPING LOOP BETWEEN WATER HEATER AND AIR HANDLER MUST BE INSTALLED IN COMPLIANCE WITH 248 CMR. † REQUIRED FOR MASSACHUSETTS. ‡ PIPING FROM THE TOP OF THE WATER HEATER WITH TEES IS ACCEPTABLE. www.lochinvar.com...
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Page 9: Typical Installation
33. Viewport (see Figures 3 & 4) 49. *Thermal Expansion Tank (required cover) (see Figure 5) for all closed systems) *, **, ***, **** see notes on following page Blower Dilution Air Inlets Combustion Air Inlets Front View Rear View Figure 1 Figure 2 www.lochinvar.com... -
Page 10: Replacement Parts And Deliming Products
18 and 20 in Figure 1 and see also Figures 8 & 26). If the heater is to be operated without using the side taps, these openings must be closed with the two pipe plugs supplied with the heaters. Figure 5 www.lochinvar.com... -
Page 11: Water Piping - Mixing Valve Usage
Figure 8 TEMERATURE- PRESSURE RELIEF VALVE DISCHARGE This appliance has been design certifi ed as complying PIPE (DO NOT with American National Standard/CSA Standard for water CAP OR PLUG) heaters and certain models with side plumbing connections Figure 10 www.lochinvar.com... -
Page 12: Water Heater Operation
Consult a Qualifi ed Installer or Service Agency. Follow mixing valve manufacturer’s instructions for installation of the valves. Before changing the factory setting on the Figure 11 thermostat, read the “Operating The Temperature Control System” section in this manual. www.lochinvar.com... -
Page 13: Electrical Requirements & Wiring Diagram
3 minutes to purge the water lines of air and sediment and to ensure complete fi lling of the tank. The electrical power may then Figure 12 be turned on. Verify proper operation after servicing. See also “Installation Checklist”. Figure 13 www.lochinvar.com... -
Page 14: Safety Lockouts
Note: Resetting the heater will reset the FVIR circuit if all sources of contamination have been removed and the sensor clears. If all sources of contamination have been removed and the system will not reset, the sensor will need to be replaced (see “Resetting the Heater Control”). www.lochinvar.com... -
Page 15: Locating The New Water Heater
Water heater life depends upon water quality, water pressure and the environment in which the water heater is installed. Water heaters are sometimes installed in locations where leakage may result in property damage, even with the use of a metal drain pan piped to a drain. www.lochinvar.com... -
Page 16: Clearances To Combustibles
3” (76mm) in every direction, or if the appliance is installed in an alcove or closet, the entire fl oor must be covered by the panel. Failure to heed this warning may result in a fi re hazard. Figure 16 www.lochinvar.com... -
Page 17: Insulation Blankets
Always read and understand instruction manual. Openings must be installed to provide fresh air for combustion, ventilation and dilution in confi ned spaces. The required size for the openings is dependent on the www.lochinvar.com... -
Page 18: Direct Vent Appliances
(see Figure 20). less than 100 square inches (645cm ). One opening shall commence within 12” (30cm) of the top and one commencing within 12” (30cm) of the bottom of the enclosures. www.lochinvar.com... -
Page 19: Chemical Vapor Corrosion
If necessary, uncontaminated air should be obtained from remote or outside sources. The Limited Warranty is voided when failure of water heater is due to a corrosive atmosphere. See “Limited Warranty” for complete terms and conditions. www.lochinvar.com... -
Page 20: Installing The New Water Heater
• Do not connect the water heater to any system or WARNING components previously used with non-potable water heating appliances when used to supply potable Toxic Chemical Hazard water. • Do not connect to non-potable water system. www.lochinvar.com... -
Page 21: Combo Heating
The following is a list of requirements for the installation of option A or B. Install shut-off valves and unions so that the water heater can be isolated from the heating module should servicing of the water heater become necessary. www.lochinvar.com... -
Page 22: Closed Water Systems
Do not solder the water lines directly to the • Do not apply heat to cold water inlet. water heater connections - it will harm the dip tube and • Contact qualified installer or service agency. heat traps and damage the tank. www.lochinvar.com... -
Page 23: Temperature-Pressure Relief Valve
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Page 24: Temperature-Pressure Relief Valve And Pipe Insulation
Repeat steps 5 and 6 for the hot water (outlet) pipe. gas operating pressure does not exceed 13" water Add additional sections of pipe insulation as column (3.237 kilopascals). needed. Failure to do so can result in death, explosion, or fire. www.lochinvar.com... -
Page 25: Sediment Traps/Dirt Leg
fi re or explosion. Before attaching the gas line be any pressure testing of that system at test pressures in sure that all gas pipe is clean on the inside. To trap any www.lochinvar.com... -
Page 26: Filling The Water Heater
Never use this water heater unless it is completely full of water. To prevent damage to the tank, the tank must be fi lled with water. Water must fl ow from the hot-water faucet before turning “ON” gas to the water heater. www.lochinvar.com... -
Page 27: Termination Clearances Sidewall Power Vent
‡ Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the fl oor. * Clearance in accordance with local installation codes and the requirements of the gas supplier and the manufacturer’s installation instructions. www.lochinvar.com... -
Page 28: Blower Assembly Installation
Establishing the ambient temperatures metal, permanent wiring system or an equipment where the heater and the venting is installed is very grounding conductor must be run with the circuit important, especially in regions with warmer climates conductors and connected to the equipment www.lochinvar.com... -
Page 29: Polypropylene Vent Systems
(if a drain hose is not needed). seal method. Do not attempt to connect polypropylene Note: This cap must remain in place if a drain hose is not with sealant cement. installed. www.lochinvar.com... -
Page 30: Exhaust Venting
6 in. freeze. Pooling of condensate can restrict airfl ow and (150mm) min. can cause nuisance failures of the system. BACK TO BACK ELBOWS PREFERRED PRACTICE 90° SHORT SWEEP ELBOW 90° LONG SWEEP ELBOW (MORE RESTRICTIVE) (LESS RESTRICTIVE) Figure 31 www.lochinvar.com... -
Page 31: Venting Terminations And Sizing
(SUPPLIED). with 4 in. venting with 4 in. venting VENT LENGTH GREATER THAN VENT LENGTH GREATER THAN 50 EQUIVALENT FT. 125 EQUIVALENT FT. (15.2 METRES) USE THIS SCREEN (38.1 METRES) USE THIS SCREEN (SUPPLIED). (SUPPLIED). Figure 33 Figure 32 www.lochinvar.com... -
Page 32: Calculating Equivalent Feet
Section D 15.0 ft. (4.57m) Total Equivalent 34.0 ft. (10.37m) GROUND LEVEL Based on this example use the (fully open) rodent screen for vent length greater than 20 equivalent ft. (6.1 equivalent metres) (see Figures 32 & 33). Figure 34 www.lochinvar.com... -
Page 33: Venting Instructions
C a u t i o n : S o l v e n t c e m e n t s m a y p r o d u c e (MAY REQUIRE * WHERE SNOW COVER IS NORMAL DURING A CONDENSATE flammable vapors. Use only in well-ventilated WINTER, ENSURE OUTLET IS INSTALLED ABOVE TEE). areas and keep away from all sources of ignition. ANTICIPATED SNOW LEVEL. Figure 36 www.lochinvar.com... -
Page 34: Vent Pipe Connection To Blower
HEATERS Property Damage Hazard CONNECTED TO • Do not overtighten the top and bottom gear clamps of the TO 3” VENTING.) rubber coupling. BLOWER • Do not apply solvent cement or silicone to the rubber coupling connection. Figure 41 www.lochinvar.com... -
Page 35: Blower Exhaust Direction
PVC and CPVC piping materials or any other substitutes for cleaning PVC or CPVC that you are about to use. surfaces. A chemical cleaner such as MEK may be • Know the reputation of your manufacturer and their used. products. www.lochinvar.com... - Page 36 fl are the corner of the pipe end. If this type of cutter is used, the fl are on the end must be completely removed. Note: Power saws, if used, should be specifi cally designed to cut plastic pipe. www.lochinvar.com...
- Page 37 Working quickly, insert the pipe into the fi tting socket bottom and give the pipe or fi tting a 1/4 turn to evenly distribute the cement. Do not continue to rotate the pipe after it has hit the bottom of the fi tting socket. www.lochinvar.com...
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Page 38: Installation Checklist
“National Fuel Gas Code” ANSI Z223.1 (NFPA 54). Horizontal piping slopes at an upward pitch of 1/8 in. (3mm) rise per 4 ft. (1.2m) away from the water heater. Not obstructed in any way. www.lochinvar.com... -
Page 39: Lighting Instructions
TO TURN OFF GAS TO APPLIANCE 1. Turn the thermostat counter-clockwise to the lowest setting. 2. Set the gas control switch to the “OFF” position. 3. Turn off electrical power to the appliance if service is to be performed. 323546-000 www.lochinvar.com... -
Page 40: Operating The Temperature Control System
Before changing the factory setting on the thermostat, in this manual, see Table 4. The water heater should be located in an area where the general public does not have access. If a suitable www.lochinvar.com... -
Page 41: Gas Control Valve/Thermostat
This effectively turns the controller temperature setting down to a temperature that prevents the water in the water heater from freezing while still conserving energy. www.lochinvar.com... -
Page 42: For Your Information
By doing so, all warranty on the water heater tank is voided. A properly-sized thermal expansion tank should be installed on all closed systems to control the harmful effects of thermal expansion. Contact a plumbing service agency or your retail supplier regarding the installation of a thermal expansion tank. www.lochinvar.com... -
Page 43: Air" In Hot-Water Faucets
fl ow should the water temperature reach 195°F (91°C). The high limit can be reset when the water temperature drops below 140°F (60°C). Note: See “TCO Resettable Lockout” for corrective action and how to reset the control. www.lochinvar.com... -
Page 44: Periodic Maintenance
The blower will still be connected to the chemicals, calcium and sodium chloride, waxes, bleach junction box so excercise care not to stress the wiring. and process chemicals are typical compounds which are potentially corrosive. www.lochinvar.com... -
Page 45: Burner Operation And Inspection
CLAMP 11/32” IGNITER NUTS MOTOR FLAME FLUE COLECTOR VIEWPORT HOOD Figure 51 BLUE TIPS LIGHT BLUE INNER INCORRECT CONES ARE FLAME LAZY SATISFACTORY YELLOW CORRECT FLAME SOFT BLUE BLOWER Figure 52 DILUTION MOUNTING AIR INTAKES BLOWER PLATE Figure 50 www.lochinvar.com... -
Page 46: Combustion Chamber And Burner Cleaning
Remove the anode rod by using a ratchet and a 1- because the process substitutes sodium ions for 1/16” socket turning counter-clockwise (see Figure magnesium and calcium ions. The use of a excessively soft 54). water may decrease the life of the water heater tank. www.lochinvar.com... -
Page 47: Installing Anode Rod
Excessive water system pressure is most often caused by “thermal expansion” in a “closed system.” See “Closed Water Systems” and “Thermal Expansion” sections of this manual. The T&P valve is not intended for the constant relief of thermal expansion. www.lochinvar.com... -
Page 48: Draining And Flushing
fl ows uninterrupted from the faucet. Important: When operating a cold tank, condensation can occur and drip on the burner. This should not be confused with a tank leak. www.lochinvar.com... -
Page 49: Leakage Checkpoints
I. Water in the water heater bottom may be from condensation, loose connections, or the relief valve. DO NOT replace the water heater until a full inspection of all possible water sources is made and necessary corrective steps taken. Figure 56 www.lochinvar.com... -
Page 50: Reference Parts Listing
25. Air Tubing (see Figure 62) 41. Two Piece Grommet With Clip (see (Honeywell) Figures 59 & 60) ** parts not supplied with the water heater Blower Dilution Air Inlets Combustion Air Inlets Front View Rear View Figure 57 Figure 58 www.lochinvar.com... - Page 51 ** For Natural gas models the Flare Nut has Right- Figure 59 hand thread. For Propane models the Flare Nut has Left-hand thread. Natural gas and Propane main burner with igniter assembly for 60k to 75k Btu/hr models Flare Nut** Figure 60 Figure 61 www.lochinvar.com...
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Page 52: Troubleshooting Guidelines
GAS CONTROL VALVE/ Defective gas control valve/thermostat Replace gas control valve/thermostat THERMOSTAT FAILS TO SHUT OFF Sulfi des in water supply Chlorination procedure Bacteria in water supply Chlorination procedure SMELLY WATER 3.Incompatible anade Replace with anode appropriate for water conditions www.lochinvar.com... - Page 53 Turn temperature knob to higher setting BLOWER WILL Defective blower Replace air pressure switch NOT START Disconnected or loose wire Replace blower Control locked out Repair and reconnect wires Refer to “Resetting The Heater Control” – determine cause of lockout www.lochinvar.com...
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Page 54: Resetting The Heater Control
After a third TCO trip, the control enters a hard lockout state and must be replaced. Note: A high limit cutout indicates an overheating situation or very high water temperatures. Contact your local service provider to determine the cause of the overheating or another reason for the malfunction. www.lochinvar.com... -
Page 55: Ignition State And Timing
Flammable Vapor Sensor three second pause FVS Fault Detected Eight-Two Flash, Temperature Sensor Fault three second pause Detected Eight-Three Flash, Electronics Fault Detected three second pause Eight-Four Flash, Valve Fault Detected three second pause Hardware Fault Indefi nite Lockout www.lochinvar.com... - Page 56 This page intentionally left blank. May be used for notes or to record other installation information. www.lochinvar.com...
- Page 57 This page intentionally left blank. May be used for notes or to record other installation information. www.lochinvar.com...
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Page 58: Limited Warranty
All cost necessary or incidental for handling and admin- • used in a non-corrosive and non-contaminated atmo- istrative charges, and for any materials and/or permits sphere; required for installation of the replacement heater or part. • used with factory approved anode(s) installed; www.lochinvar.com... - Page 59 WISE FOR DAMAGE TO ANY PERSONS OR PROPERTY, the warrantor’s products. If this is not practical, the owner WHETHER DIRECT OR INDIRECT, AND WHETHER ARIS- should contact: Lochinvar LLC 300 Maddox Simpson Pkwy ING IN CONTRACT OR IN TORT. Lebanon, TN, 37090. Phone: 1-615-889-8900 or visit our website: www.lochinvar.com.
- Page 60 300 Maddox Simpson Parkway Lebanon, TN 37090 Phone: 615-889-8900 • Fax: 615-547-1000 Technical Services email: 2tech@lochinvar.com www.lochinvar.com Copyright © 2011 Lochinvar LLC. All rights reserved.
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