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MODELS TPG-140-140 thru 600-2500
INCLUDING TPX/TPO & TPD
COMMERCIAL GAS, OIL AND GAS/OIL TANK-TYPE WATER HEATERS
• INSTALLATION • OPERATION • SERVICE • MAINTENANCE • LIMITED WARRANTY
ASME
CAUTION
TEXT PRINTED OR OUTLINED IN RED CONTAINS
INFORMATION RELATIVE TO YOUR SAFETY.
PLEASE READ THOUROUGHLY BEFORE USING
APPLIANCE.
WARNING – PROPANE MODEL
Water heaters for propane gas are different from natural gas models. A natural gas heater will not function
safely on propane gas and no attempt shoul
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FOREWORD This manual is intended to be used in conjunction with other ARRANGEMENT REQUIREMENTS AND SERVICE literature provided with the heater. This includes power burner RECOMMENDATIONS. and related gas control information. It is important that this manual and the additional publications be reviewed in their entirety before In the absence of local codes, the installation must comply with beginning any work. the instruction as outlined in the latest publication of ANSI booklet NFPA-54/ANSI Z22
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The venting of the water heater should be inspected by a qualified GENERAL SAFETY service technician at the time of installation and periodically thereafter to ensure a down-draft condition does not exist. INFORMATION DO NOT OBSTRUCT THE FLOW OF COMBUSTION AND VENTILATING AIR. ADEQUATE AIR FOR COMBUSTION AND PRECAUTIONS VENTILATION MUST BE PROVIDED FOR SAFE OPERATION. DO NOT USE THIS APPLIANCE IF ANY PART HAS BEEN UNDERWATER. Immediately call a qualified service technician LIQUID PETROLEUM MOD
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Note: Some gas utility companies derate the heating value of the The water temperature is controlled by two thermostats. One supplied gas at high elevations. Your authorized State Start-Up thermostat is located near the top of the tank and the other is in Agent must adjust for actual heating valve of the gas at the time the lower part of the tank. The upper thermostat must be set at of start-up. least 5°F higher than the lower thermostat. In the case where the water heater has electronic th
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The latest version of the National Electrical Code, NFPA No. A clearance of 24” should be maintained from serviceable parts, 70. In Canada refer to Canadian Electrical Code C 22.1, from such as relief valve, power burner, thermostat and drain valve. National Fire Protection Association, 1 Batterymarch Park, MINIMUM INSTALLATION CLEARANCES Quincy, MA 02269-9101. TPG/TPX TPO/TPD LOCATING THE HEATER FRONT - 18 Inches FRONT - 18 Inches BACK - 0 Inches Back - 6 Inches When installing the heater, con
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UNDESIRABLE OPENINGS, CAUSING POOR COMBUSTION. VENT CONNECTOR SOOTING MAY RESULT WITH AN INCREASED RISK OF ASPHYXIATION. The chimney vent connector diameter should be the same size as the heater flue outlet, see table 1. A minimum rise of 1/4” per THERMAL EXPANSION (CLOSED SYSTEM) foot of horizontal connector length must be maintained between the heater and chimney opening, fig. 2. The connector length Thermal expansion occurs in any hot water system when system should be kept as short as pos
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TABLE 2 CAPACITY OF PIPE - NATURAL GAS IN CUBIC FEET PER HOUR Maximum Based Upon Pressure Drop of 0.3” w.c. and Specific Gravity CORRECTION FACTORS of 0.60 and Maximum Gas Pressure of .5 psig. Specific Gravity Pressure Drop Pipe Length Pipe Size - Inches (IPS) Other than 0.60 Other than 0.3 In Feet 1 1 1/4 1 1/2 2 2 1/2 3 4 Specific Multplier Pressure Multiplier 10 520 1050 1600 3050 4800 8500 17500 Gravity Drop 20 350 730 1100 2100 3300 5900 12000 0.50 1.10 0.1 0.577 30
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TABLE 3 PURGING EQUIVALENT LENGTH OF FITTINGS IN FEET Gas line purging is required with new piping or systems in which Pipe Size (IPS) 1 1.25 1.5 2 2.5 3 4 air has entered. Std. Tee through side 5.5 7.5 9.0 12.0 14.0 17.0 22.0 Std. E11 2.7 3.7 4.3 5.5 6.5 8.0 12.0 45°F E11 1.2 1.6 2.0 2.5 3.0 3.7 5.0 CAUTION Plug Cock 3.0 4.0 5.5 7.5 9.0 12.0 16.0 PURGING SHOULD BE PERFORMED BY PERSONS EXPERIENCED IN THIS TYPE GAS SERVICE. TO AVOID RISK OF FIRE OR EXPLOSION, PURGE DISCHARGE MUST NOT WARNING
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TYPICAL WIRE DIAGRAM TPG, 270 - 2,500 KBTUH TPO, 800 - 2,500 KBTUH TPD, 400 - 2,500 KBTUH TYPICAL WIRE DIAGRAM TPG, 140 - 255 KBTUH 9
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TYPICAL WIRE DIAGRAM TPD, 140 - 300 KBTUH TYPICAL WIRE DIAGRAM TPO, 140 - 720 KBTUH 10
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The time to ask any questions you may have about your unit is TWO UNIT MANIFOLD when the State Authorized TPG/TPO/TPD Start-Up Agent is there. Please do not hesitate to ask the agent any questions which you INSTALLATION may have regarding the units start-up, operation or maintenance. A MAINTENANCE section is included at the rear of this manual. Assure water flow balance of all units. Without this balance, the Any service required should be performed by an Authorized State full water heating and
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Suggested safety device test procedures are: DRAINING A. While heater is operating, turn valve, main burner and pilot The heater must be drained if it is to be shut down or exposed to gas line manual gas cocks to the OFF position. Burner should freezing temperatures. Maintenance and service procedures may shutdown within 3-4 seconds and lockout on flame failure, also require draining the heater. requiring reset of the flame safeguard device. 1. Tun off the heater electrical disconnect switch.
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The depth of lime build-up should be measured periodically. check the relief valve, lift the lever at the end of the valve several Heaters will have about 3” of lime build-up when the level of lime times. The valve should seat properly and operate freely. has reached the bottom of the cleanout opening or about 1” of lime build-up if it has reached the drain valve opening. A schedule CAUTION for deliming should be set-up; based on the amount of time it BEFORE MANUALLY OPERATING THE VALVE, MAKE
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6. Using a wire brush, remove soot from flue passages in heater • If the heater was installed when incoming water temperature tank. was warm, colder water creates the effect of less hot water. 5. Look for hot water wastage and leaking or open hot water CAUTION faucets. While cleaning tank flue passages, care must be taken that brush does not come in contact with the combustion chamber lining as 6. Sediment or lime scale may be affecting water heater operation. damage could occur. Refer to MAINT
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Excessive water pressure is the most common cause of relief provision to avoid water logging. valve leakage. It is often caused by a “closed system”. If a check valve is in the inlet system it will not permit the expanded REPLACEMENT PARTS hot water volume to equalize pressure with the main. The relief valve must release this water or the water heater or Replacement parts may be ordered through authorized servicers plumbing system will be damaged. or distributors, refer to your local Yellow P
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Model TPG/TPX/TPO/TPD Limited Warranty CERTIFIED FACTORY START - UP REQUIRED To activate your warranty, contact your local sales representative or Authorized Start-up Agent to arrange for a FREE Certified Start-up. State Water Heaters, the warrantor, extends the following LIMITED WARRANTY to the owner of this water heater. 1. THE TANK If the glass lined tank in this water heater shall prove upon examination by the warrantor to have leaked due to natural corrosion from potable water therein, duri
