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Instruction Manual for
Light Duty Commercial
Power Direct Vent
Gas Water Heaters
ALL TECHNICAL AND WARRANTY QUESTIONS: SHOULD BE DIRECTED TO THE LOCAL DEALER FROM
WHOM THE WATER HEATER WAS PURCHASED. IF YOU ARE UNSUCCESSFUL, PLEASE WRITE TO THE
COMPANY LISTED ON THE RATING PLATE ON THE WATER HEATER.
AN ODORANT IS ADDED TO THE GAS
For Your Safety
USED BY THIS WATER HEATER
WARNING
WARNING: If the information in these
Improper installation, adjustment, alter-
instructions are not followed exactly,
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General Safety WARNING WARNING Improper installation, adjustment, alteration, service or main- WATER HEATERS EQUIPPED FOR ONE TYPE GAS ONLY: This tenance can cause DEATH, SERIOUS BODILY INJURY, OR water heater is equipped for one type gas only. Check the model PROPERTY DAMAGE. Refer to this manual or consult your rating plate near the gas control valve for the correct gas. DO NOT local gas utility for further assistance. USE THIS WATER HEATER WITH ANY GAS OTHER THAN THE ONE SHOWN ON THE MODEL RA
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General Safety (cont’d) WARNING WARNING This water heater must not be installed directly on carpeting. Car- Chemical vapor corrosion of the flue and vent system may occur if peting must be protected by a metal or wood panel beneath the ap- air for combustion contains certain chemical vapors. Spray can pro- pliance extending beyond the full width and depth of the appliance pellants, cleaning solvents, refrigerator and air conditioner refrig- by at least 3 inches (76.2mm) in any direction, or if t
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Table of Contents General Safety ...............................................................................................................................2-3 Table of Contents .........................................................................................................................4 Introduction .........................................................................................................................................5 Preparing for the New Installation ........
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Introduction Thank You for purchasing this water heater. When WARNING installed according to State and Local Codes and main- tained according to the manufacturers instructions, it should This gas-fired water heater is design certified by CSA give you years of trouble free service. INTERNATIONAL under American National Standard/CSA Standard for Gas Water Heaters, ANS Z21.10.3 • CSA 4.3 (latest edition). The installation must conform with this manual, Local Codes and with the lat- Abbreviations Fo
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Typical Installation INTAKE FOR COMBUSTION Vacuum Relief required AIR by some codes EXHAUST (refer to local codes) VENT TO OUTDOORS AIR INTAKE PIPE COLD WATER INLET FLUE PRODUCTS DISCHARGE PIPE SHUTOFF VALVE HOT WATER OUTLET TEMPERATURE- PRESSURE RELIEF VALVE TEMPERED WATER OUTLET MIXING VALVE DISCHARGE PIPE (Do not cap or plug) PROVIDE A 6″ ″ AIR GAP GAS BETWEEN THE END OF SUPPLY THE DISCHARGE PIPE AND DRAIN 7' POWER CORD (Factory supplied) This appliance has been design certified as compl
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Locating the New Water Heater 6. The location selection must provide adequate clearances Facts to Consider About the for servicing and proper operation of the water heater. Location WARNING You should carefully choose an indoor location for the new water INSTALLATION IN AREAS WHERE FLAMMABLE LIQUIDS heater, because the placement is a very important consideration for (VAPORS) ARE LIKELY TO BE PRESENT OR STORED the safety of the occupants in the building and for the most econom- (GARAGES, STORAGE
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Locating the New Water Heater (cont’d) Facts to Consider About the Location (cont’d) WARNING WARNING Do not install in a confined area such a closet, unless you Vent termination must not be within 4 feet of any items provide ventilation air as shown in the “Locating The New such as gas meters, gas valves or other gas regulating Water Heater” section. Never obstruct the flow of ventila- equipment. tion air. If you have any doubts or questions at all, call your gas company. Failure to provide ven
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18″ Locating the New Water Heater (cont’d) 1 6 ⁄2″ MIN. Venting Through Roof – Clearances VENT OUTLET AIR INTAKE 24″ MAX. 0″ clearance for 3″ PVC, ABS, or CPVC Schedule 40 piping • from combustible surfaces. The Vent Exhaust outlet and air inlet terminals shall terminate • at least 18 inches above the roof surface. Figure 7. The venting system must be installed in a manner which • allows inspection of the installation of the venting pipes and joints as well as periodic inspection after installa
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Installing the New Water Heater Water Piping INTAKE FOR WARNING COMBUSTION HOTTER WATER CAN SCALD: Water heaters are intend- AIR ed to produce hot water. Water heated to a temperature which will satisfy clothes washing, dish washing, and other sanitizing needs can scald and permanently injure you upon contact. Some people are more likely to be permanently injured by hot water than others. These include the elderly, children, the infirm, or physical- ly/mentally handicapped. If anyone using hot
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Installing the New Water Heater (cont’d) Temperature-Pressure Relief Valve WARNING WARNING The temperature-pressure relief valve must be manually oper- At the time of manufacture this water heater was provided ated at least once a year. Caution should be taken to ensure with a combination temperature-pressure relief valve certi- that (1) no one is in front of or around the outlet of the tem- fied by a nationally recognized testing laboratory that main- perature-pressure relief valve discharge li
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Installing the New Water Heater (cont’d) You must provide all wiring of the proper size outside of Filling the Water Heater the water heater. You must obey local codes and electric company requirements when you install this wiring. CAUTION If you are not familiar with electric codes and practices, or Never use this water heater unless it is completely filled if you have any doubt in your ability to connect the wiring with water. To prevent damage to the tank, the tank must to this water heater,
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Installing the New Water Heater (cont’d) 5. The water heater must be electrically “grounded” by absence of local codes, with the National Electrical the installer. The unit will not operate unless it is prop- Code, ANSI/NFPA 70 (latest edition). erly grounded. For complete grounding details and all 6. Replace the wiring junction cover using the screws allowable exceptions, refer to local codes or in the provided. HI LIMIT Wiring Diagram BLOWER ON/OFF SWITCH HI LIMIT SWITCH NO PS NC PRESSURE SW
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Installing the New Water Heater (cont’d) Venting (cont’d) ONE 3″ SCHEDULE 3″ ABS SCHEDULE 40 40 PVC 45° INLET 90° STREET ELBOW SUPPLIED OUTLET ELBOW 5' SCHEDULE WARNING SUPPLIED 40 ABS OUTLET Be sure vent pipe is properly connected to prevent PIPE SUPPLIED 3″ PVC SCHEDULE escape of dangerous flue gases which could cause dead- 40 90° STREET ly asphyxiation. INLET ELBOW REQUIRED SCHEDULE 40 PVC INLET PIPE REQUIRED ONE 3″ SCHEDULE WARNING 40 PVC 45° OUTLET ELBOW SUPPLIED Chemical vapor corrosion
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Installing the New Water Heater (cont'd) VENTING SYSTEM EXAMPLE INSTALLATIONS FOR 3 ELBOW EXAMPLE ALL MODELS 1 MIN. RISE ⁄8″ PER FIVE FEET The vent piping cannot under any circumstances be run downhill. CAULK JOINT 1 MIN. RISE ⁄8″ PER FIVE FEET 2. The total vertical and horizontal vent runs cannot exceed the maximum length with the number of 90˚ elbows as specified in the table below. If more elbows are required, the venting distance must be reduced 5 feet for every 90° elbow: The vent piping ca
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Installing the New Water Heater (cont'd) Cementing PVC, ABS OR CPVC Pipe and Fittings VENT PIPE SEPARATION The inlet and outlet vent pipes must be separated by a min- Read and observe all safety information printed on primer, 1 2 imum distance of 6 / ″ inches up to 24 inches maximum. cleaner, and cement containers. 1 6 /2″ MIN. 24″ MAX. DANGER Primer, cleaner, and cements are extremely flammable. They are harmful or fatal if swallowed. The vapors are harmful. They may irritate eyes and skin and
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Installing the New Water Heater (cont'd) Venting (cont'd) INSTALLATION SHOWING USE OF (OPTIONAL) DELUXE HORIZONTAL VENT KIT: INSTALLATION SHOWING USE OF PVC, ABS OR Typical installation. CPVC PIPE FOR INLET AND OUTLET VENT PIPING: Inlet piping through any type wall. AIR INTAKE PIPE VENT TO OUTDOORS EXTERIOR WALL SILICONE INTAKE FOR SEALER COMBUSTION AIR FLUE PRODUCTS 1 DISCHARGE PIPE 1 ⁄2" MIN. EXTENSION THROUGH EXTERIOR WALL VENT CAP MUST BE POSITIONED DOWNWARD SCREW SCREW SCREW SCREW SCREEN AT
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Installing the New Water Heater (cont’d) VENTING THROUGH A ROOF (CONT’D) Gas Piping 2. Only 3″ ABS Schedule 40 piping and fittings are acceptable materials on the first five feet of the outlet vent system. WARNING 3. 3″ PVC, ABS, or CPVC Schedule 40 piping and fittings are Make sure the gas supplied is the same type listed on the acceptable materials for the inlet vent system and for the out- model rating plate. The inlet gas pressure must not let vent system after the first five feet. exceed 10
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Installing the New Water Heater (cont’d) GAS PIPING WITH WARNING FLEXIBLE CONNECTOR The appliance and its gas connection must be leak tested before placing the appliance in operation. GAS SUPPLY PIPING WARNING Use pipe joint compound or teflon tape marked as being resis- MANUAL SHUTOFF tant to the action of petroleum [Propane (L.P.)] gases. VALVE FLEXIBLE GAS CONNECTOR LABELED AS COMPLYING Connecting the gas piping to the gas control valve of the WITH ANSI STANDARDS water heater can be accompli
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Installing the New Water Heater (cont’d) Installation Checklist 4. Is the water heater completely filled with water? See “Filling the Water Heater” instructions in the “Installing the New BEFORE OPERATING THE WATER HEATER: Water Heater” section. 1. Check the gas line for leaks. 5. Will a water leak damage anything? See the “Locating the a. Use a soapy water solution. DO NOT test for gas leaks New Water Heater” section. using a match or open flame. 6. Is there proper clearance between the water
