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CATALOG NO. 1000.53F
Effective: 03-01-05
Replaces: 10-01-03
OPERATING AND
INSTALLATION
INSTRUCTIONS
Models 122-322
Type H, WH, & P
FOR YOUR SAFETY
Do not store or use gasoline or other flammable vapors and liquids or other combustible materials in the vicinity of
this or any other appliance. To do so may result in an explosion or fire.
WARNING: Improper installation, adjustment, alteration, service or maintenance can cause property damage,
personal injury or loss of life. Refer to this manual. I
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TABLE OF CONTENTS PAGE NO. 4 SECTION A: BEFORE INSTALLING THE HEATER 8 SECTION B: HEATER INSTALLATION 11 SECTION C: COMBUSTION AND VENTILATION AIR 13 SECTION D: WATER PIPING - GENERAL 14 SECTION E: HYDRONIC HEATING PIPING 16 SECTION F: DOMESTIC HOT WATER PIPING 18 SECTION G: POOL HEATING 19 SECTION H: GAS SUPPLY CONNECTIONS 21 SECTION I: ELECTRICAL POWER CONNECTIONS 24 SECTION J: VENTING CONNECTIONS 28 J-1: Natural Draft Vertical Venting 31 J-2: Horizontal Thru-Wall V enting 33 J-3: Horizont
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DANGER: Make sure the gas on which the heater will operate is the same type as that specified on the heater model and rating plate. WARNING: Should overheating occur or the gas supply valve fail to shut, do not turn off or disconnect the electrical supply to the heater. Instead, shut off the gas supply at a location external to the appliance. WARNING: Do not use this heater if any part has been under water. Immediately call a qualified service technician to inspect the heater and to replace an
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Pay attention to these terms: DANGER: indicates the presence of immediate hazards which will cause severe personal injury, death or substantial property damage if ignored. WARNING: indicates the presence of hazards or unsafe practices which could cause severe personal injury, death or substantial property damage if ignored. CAUTION: indicates the presence of hazards or unsafe practices which could cause minor personal injury or product or property damage if ignored. NOTICE: indicates special ins
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MODEL IDENTIFICATION The model identification number and heater serial number are found on the heater data plate located on the left inside jacket of the heater. The model number will have the form H3 0162 or similar depending on the heater size and configuration. The first character of the model number identifies application (H = Hydronic Heating System, WH = Hot Water Supply System, P = Pool Application). The second character identifies the firing mode (3-two stage firing, 4 – On/Off firin
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HI DELTA COMPONENT LOCATION BACK LEFT-SIDE (See detail page 7) (See detail page 7) FRONT 6
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General Information Gas Valve Detail Air Shutter Adjustment 7
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SECTION B: HEATER INSTALLATION INSTALLATION CODES Installations must follow these codes: · Local, state, provincial, and national codes, laws, regulations and ordinances. · National Fuel Gas Code, ANSI Z223.1- latest edition (NFGC). · National Electrical Code, ANSI/NFPA 70 - latest edition (NEC). · Standard for Controls and Safety Devices for Automatically Fired Heaters, ANSI/ASME CSD-1, when required (CSD-1). · For Canada only: CAN/CGA B149.1 and .2 Installation Code (B149.1 and .2) and C.S.A.
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CLEARANCES TABLE 1 INDOOR INSTALLATION MINIMUM CLEARANCES FROM COMBUSTIBLE SURFACES Models Heater Side 122-322 Floor See Note 1 Rear 1" Water Side 12” Other Side 1" Top 1" Vent 2" Note 1. Do not install on carpeting. TOP VIEW FRONT VIEW When installed according to the listed minimum clearances from combustible construction materials, the Raypak heaters can still be serviced without removing permanent structural construction around the heater. However, for ease of servicing, we recommend a cleara
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OUTDOOR INSTALLATIONS Raypak Hi Delta Heaters are design certified for outdoor installation. Heaters must not be installed under an overhang that is less than three (3) feet from the top of the heater. Three (3) sides must be open in the area under the overhang. Roof water drainage must be diverted away from heaters installed under overhangs. TABLE 2 OUTDOOR INSTALLATION MINIMUM CLEARANCES Heater Model Heater Side 120-322 Rear 12" Right 36” Left 36" Top Unobstructed Vent N/A These clearances req
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SECTION C: COMBUSTION AND VENTILATION AIR COMBUSTION AND VENTILATION AIR (Indoor Units) The heater must be supplied with sufficient quantities of non-contaminated air to support proper combustion and equipment ventilation. Combustion air can be supplied via conventional venting, where combustion air is drawn from the area immedi- ately surrounding the heater, or via direct vent, where combustion air is drawn directly from outside. All installations must comply with the requirements of NFGC (U.S
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COMBUSTION AND VENTILATION AIR SUPPLY (FOR CANADA INSTALLATION) CAUTION: All combustion air has to be drawn from the air outside the building (the mechanical equipment room directly communicates with the outdoors). 1. Ventilation of the space occupied by the heater shall be provided by an opening(s) for ventilation air at the highest practical point communicating with outdoors. The total cross-sectional area of such an opening(s) shall be at least 10% of the area required in (2) and (3), but in
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SECTION D: WATER PIPING - GENERAL The heater should be located so that any water leaks will not cause damage to the adjacent area or structures. CAUTION: This heater requires forced water circulation when the burner is operating. See Table D-1 for minimum and maximum flow rates and water pump selection. The pump must be interlocked with the heater to prevent heater operation without water circulation. RELIEF VALVE PIPING WARNING: Pressure relief valve discharge piping must be piped near the fl
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SECTION E: HYDRONIC HEATING PIPING PUMP SELECTION In order to ensure proper performance of your boiler system, you must install a properly sized pump. Raypak recommends using a 20°F Delta T as design Delta T. (Delta T is the temperature difference between the inlet and outlet water when the heater is firing at full rate). If a Delta T larger than 20°F is necessary, see Table D-1 for minimum flow rate requirements. PRESSURE DROP IN FEET OF HEAD FEEDWATER REGULATOR Raypak recommends that a feedwat
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SINGLE BOILER - LOW TEMPERATURE APPLICATION (HEAT PUMP) PRIMARY/SECONDARY PIPING DUAL BOILER PRIMARY/SECONDARY PIPING 15
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SECTION F: DOMESTIC HOT WATER PIPING When designing the water piping system for domestic water applications, water hardness should be considered. Table F-1 indicates the suggested flow rates for soft, medium and hard water. Hardness is specified as grains per gallon. TABLE F-1 DOMESTIC WATER HEATER FLOW RATE REQUIREMENTS * Must use optional Cupronickel tubes. T = Temperature Rise, Degree F P = Pressure Drop Ft. thru heat exchanger GPM = Gallons/Minute, Flow Rate SHL = System Head Loss
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SINGLE HEATER DOMESTIC HOT WATER WITH ONE STORAGE TANK 17
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SECTION G: POOL HEATING CAUTIO CAUTION: Power to the heater should be interlocked with the main system pump to make sure the heater does not fire without the main system pump in operation. Improper flow control can damage the heater. Uncontrolled flow (too high) or restricted flow (too low) can seriously damage the heater. Follow these instructions to make sure your heater is properly installed. The Hi Delta pool heater is equipped with an external pump and bypass arrangement that blends outle
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SECTION H: GAS SUPPLY CONNECTIONS DANGER: Make sure the gas on which the heater will operate is the same type as specified on the heater model and rating plate. Gas piping must have a sediment trap ahead of the heater gas controls, and a manual shut-off valve located outside the heater jacket. A pounds to inches regulator must be installed to reduce to gas supply pressure to under 14" W.C. The regulator should be placed a minimum distance of 10 times the pipe diameter upstream of the heater gas
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GAS PRESSURE REGULATOR The gas valve pressure regulator(s) on the heater are nominally preset at 3.5" W.C. for Natural gas, and 10.5" W.C. for Propane gas manifold pressure. The pressure at the gas valve outlet tap, measured with a manometer,while in operation should be 3.5 ± 0.1" W.C. for Natural gas and 10.5" ± 0.1" W.C. for Propane gas. If an adjustment is needed, turn the adjustment screw clockwise to increase pressure or counter-clockwise to decrease pressure. 20
