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Instruction Manual
COMMERCIAL GAS WATER HEATERS
POWER VENTED GAS MODELS W/HOT SURFACE IGNITION
Ashland City, TN 37015
www.hotwater.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 WRITE TO THE COMPANY LISTED ON THE RATING PLATE ON THE WATER HEATER.
KEEP THIS MANUAL IN THE POCKET ON HEATER FOR FUTURE REFERENCE
WHEN
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SAFE INSTALLATION, USE AND SERVICE Your safety and the safety of others is extremely important in the installation, use and servicing of this water heater. Many safety-related messages and instructions have been provided in this manual and on your own water heater to warn you and others of a potential injury hazard. Read and obey all safety messages and instructions throughout this manual. It is very important that the meaning of each safety message is understood by you and others who install,
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GENERAL SAFETY 3
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GENERAL SAFETY 4
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TABLE OF CONTENTS SAFE INSTALLATION, USE AND SERVICE ........................... 2 Installation of Vent System ....................................... 19-21 GENERAL SAFETY ............................................................. 3-4 Vent Attenuation Assembly Installation Instructions ....... 22-23 TABLE OF CONTENTS ........................................................... 5 Vent Pipe Preparation .............................................. 24-25 INTRODUCTION ............................
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TYPICAL INSTALLATION GET TO KNOW YOUR WATER HEATER - GAS MODELS H H Bushing A Vent Pipe Q Rating Plate R Insulation II Nipple B Anode J J Condensate Tee C Hot Water Outlet S Vent Terminal T Drain Valve K K Hose Barb D Outlet (120 VAC) LL Plug F Gas Supply U Igniter And Main Burner W Drain Pan MM Vent Pipe Assembly #1 G Main Manual Gas Shut Off Valve NN Vent Pipe Assembly #2 H Ground Joint Union X Control Y Control Harness* O O Vent Pipe Assembly #3 J Dirt Leg PP Side Recirculation Loop K Outer D
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TYPICAL INSTALLATION CONDENSATE HOSE AND DRAIN PAN * Note: Condensate Trap Loops must be oriented in a vertical plane as shown. The traps also must be primed by filling half of the loop with water prior to operating the water heater. Carefully plan the location of the loops and straight sections of hose prior to cutting hoses. If necessary, secure the hoses to the side of the water heater or some other rigid structure to prevent crimping. While securing the hoses, do not pierce or crimp the hose
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ROUGH-IN-DIMENSIONS Rough-In-Dimensions Top/Side Inlet and Outlet: 3/4" NPT Gas Inlet: 1/2" NPT Capacity and Gas and Electrical Characteristics All models - Maximum Supply Pressure: 14 inches W.C. (3.48kPa) Minimum Supply Pressure Natural Gas: 5.0 inches W.C. (1.24kPa) Minimum Pressure must be maintained under both load and no load (static and dynamic) conditions. Recovery Capacities - U.S. Gallons/Hr. and Liters/Hr. at Temperature Rise Indicated Recovery capacity based on 90% thermal efficiency
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TYPICAL INSTALLATION MIXING VALVE USAGE FIGURE 2. This appliance has been design certified as complying with American HOTTER WATER CAN SCALD: National Standard/CSA Standard for water heaters and is considered suitable for: Water heaters are intended to produce hot water. Water heated to a temperature which will satisfy space heating, clothes washing, dish Water (Potable) Heating and Space Heating: All models are considered suitable for water (potable) heating and space heating. washing, and oth
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LOCATING THE NEW WATER HEATER FACTS TO CONSIDER ABOUT THE LOCATION Carefully choose an indoor location for the new water heater, because the placement is a very important consideration for the safety of the occupants in the building and for the most economical use of the appliance. This water heater is not for use in manufactured (mobile) homes or outdoor installation. Whether replacing an old water heater or putting the water heater in a new location, the following critical points must be obser
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If this water heater will be used in beauty shops, barber shops, cleaning in an alcove or closet, the entire floor must be covered by the panel. establishments, or self-service laundries with dry cleaning equipment, Failure to heed this warning may result in a fire hazard. it is imperative that the water heater or water heaters be installed so that combustion and ventilation air be taken from outside these areas. Propellants of aerosol sprays and volatile compounds, (cleaners, chlorine based che
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2 a free area of one square inch per 1000 Btu/hr (22 cm /kW) of the total input of all appliances in the enclosure, but not less than 100 square 2 inches (645 cm ). If the confined space is within a building of tight construction, air for combustion and ventilation must be obtained from outdoors. When directly communicating with the outdoors or communicating through vertical ducts, two permanent openings, located in the above manner, shall be provided. Each opening shall have a free area of not
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INSTALLING THE NEW WATER HEATER Water supply systems may, because of such events as high line pressure, CHEMICAL VAPOR CORROSION frequent cut-offs, the effects of water hammer among others, have installed devices such as pressure reducing valves, check valves, back CORROSION OF THE FLUEW A YS AND VENT SYSTEM MA Y OCCUR IF AIR FOR flow preventers, etc. to control these types of problems. When these COMBUSTION CONT AINS CER T AIN CHEMICAL V APORS. SUCH CORROSION devices are not equipped with an i
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Figure 10 shows the typical attachment of the water piping to the The valve must be marked with a maximum set pressure not to exceed water heater. The water heater is equipped with 3/4 inch NPT water the marked hydrostatic working pressure of the water heater connections. (150 psi = 1,035 kPa) and a discharge capacity not less than the water heater input rate as shown on the model rating plate. NOTE: If using copper tubing, solder tubing to an adapter before attaching the adapter to the water h
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This heater is approved for operation up to 5,300 feet (1,615 m) without GAS PIPING alteration. High altitude models are available from the factory for elevations between 5,300 feet (1,615 m) and 10,100 feet (3,079 m). For elevations above 10,100 feet (3,079 m) the input rating should be reduced at the rate of 4 percent for each 1,000 feet (305 m) above sea level which requires replacement of the burner orifice in accordance with National Fuel Gas Code (ANSI Z223.1/NFPA 54) or the Natural Gas a
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Never use this water heater unless it is completely full of water. To prevent SEDIMENT TRAPS damage to the tank, the tank must be filled with water. Water must flow from the hot water faucet before turning “ON” gas to the water heater. To fill the water heater with water: 1. Close the water heater drain valve by turning the handle to the right (clockwise). The drain valve is on the lower front of the water heater. 2. Open the cold water supply valve to the water heater. NOTE: The cold water supp
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U.S. HORIZONTAL VENT CLEARANCES WARNING VENT HOOD(S) MAY BE EXTREMELY HOT DURING OPERATION. CANADIAN HORIZONTAL VENT CLEARANCES FIGURE 15 Instructions on proper installation through a sidewall are provided VENT PIPE TERMINATION in Figure 15. Plan the vent system layout so that proper clearances are The first step is to determine where the vent pipe will terminate. See maintained from plumbing and wiring. Figures 15, 20 and 21. The vent may terminate through a sidewall as shown in Figure 20 or t
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a special fitting that must be used with this appliance. Any outlet PLANNING THE VENT SYSTEM piping, fittings and glue used to vent this appliance that is not supplied by the manufacturer must comply with the ULC S636 requirements. Plan the route of the vent system from the discharge of the blower to the planned location of the vent terminal. If the water heater is being installed as a replacement for an existing power vented heater in pre-existing venting, a thorough inspection of the existing
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The condensate trap may be primed by filling the CONDENSATE U- 6. Make sure the ON/OFF switch is in the OFF position and that the ASSEMBLY with tap water using the supplied hose while the water outer harness is connected from the blower control box to the heater is not operating. The system is fully primed when the hose is connector on the bottom side of the gas valve. lowered below the hose clamp on the side of the water heater and 7. If the outer harness is not factory installed, make sure the
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2. If the Vent T erminal is being installed on the outside of a finished wall, it may the wall plate over the pipe to stop against the vent terminal. Place a bead of caulking (not supplied) around the gap between the pipe and cover be easier to mark both the inside and outside wall. Align the holes by drilling plate. Apply enough to fill some of the gap between the pipe and wall. a hole through the center of the template from the inside through to the Place some of the caulking on the back of th
