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INSTALLATION AND OPERATING
INSTRUCTIONS
Advanced
Design
Boiler
Models 751, 1001 & L
1501 – Types H, WH & P W
WARNING: Improper installation, adjustment, alteration, service or maintenance can cause property
damage, personal injury or loss of life. Refer to the user’s information manual provided with this boiler.
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 i
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CONTENTS WARNINGS 4 BEFORE INSTALLATION 5 Product Receipt 5 Model Identification 5 Ratings and Certifications 5 Installations at Elevation 5 Component Locations 6 GENERAL SAFETY 7 Time/Temperature Relationships in Scalds 7 INSTALLATION 8 Installation Codes 8 Equipment Base 8 Clearances 8 Combustion and Ventilation Air 9 Conventional Combustion Air Supply 11 Water Piping 12 Hydronic Heating 13 Gas Supply Connections 21 Electrical Power Connections 23 Venting Connections 25 Venting Installation Ti
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WARNINGS Pay Attention to These Terms Indicates the presence of immediate hazards which will cause severe DANGER: personal injury, death or substantial property damage if ignored. Indicates the presence of hazards or unsafe practices which could cause WARNING: severe personal injury, death or substantial property damage if ignored. Indicates the presence of hazards or unsafe practices which could cause CAUTION: minor personal injury or product or property damage if ignored. Indicates special ins
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the left inside jacket of the heater. The model number BEFORE INSTALLATION will have the form H4-0751A ADB or similar depending on the heater size and configuration. The first charac- ter of the model number identifies application (H = Raypak strongly recommends that this manual be re- Hydronic Heating System, W = Hot Water Supply viewed thoroughly before installing your ADB heater. System, P = Pool Application). The second character Please review the General Safety information before identifies
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Component Locations Fig. 1: Component Locations 6
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Time/Temperature GENERAL SAFETY Relationships in Scalds To meet commercial water use needs, an external operating control for this hot water boiler is adjustable The following chart details the relationship of water up to 210°F. However, water temperatures over 125°F temperature and time with regard to scald injury and can cause instant severe burns or death from scalds. may be used as a guide in determining the safest The preferred starting point for setting the control for water temperature fo
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The temperature of the water in the hot water boiler Equipment Base can be regulated by setting the temperature dial on front of the thermostat. To comply with safety regula- The boiler should be mounted on a level, structurally tions the thermostat was set at its lowest setting before sound surface. The boiler is approved for and can be the hot water boiler was shipped from the factory. The installed on a combustible surface but must NEVER illustration below shows the thermostat and how to be i
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Combustion and Ventilation Air Indoor Units The boiler must be supplied with sufficient quantities of non-contaminated air to support proper combustion and equipment ventilation. Combustion air can be sup- plied via conventional venting, where combustion air is drawn from the area immediately surrounding the boil- er, or via direct vent, where combustion air is drawn directly from outside. All installations must comply with the requirements of NFGC for U.S., CSA B149 for Canada, and all local co
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Fig. 3: Minimum Clearances from Vent/Air Inlet Terminations – Indoor and Outdoor Installations 1 2 U.S. Installations Canadian Installations Clearance above grade, veranda, porch, A 1 ft (30 cm) 1 ft (30 cm) deck, or balcony 4 ft (1.2m) below or to side Clearance to window or door that may be of opening; 1 foot (30 cm) B 3 ft (91 cm) opened above opening C Clearance to permanently closed window ** Vertical clearance to ventilated soffit located above the terminal within a horizontal dis- D 5
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through vertical ducts. The minimum free area Conventional Combustion Air required for horizontal ducts is one (1) square inch Supply per 2,000 BTUH of total input rating to all the equipment in the room. U.S. Installations 4. Refer to NFGC, Part 5, for additional information. All Air from Inside the Building Refer to Appendix A for additional information about combustion air quality. If all combustion air is drawn from the air inside the building (the mechanical equipment room does not Method 2
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of 1 million BTUH. This opening(s) shall be either Relief Valve Piping located at or ducted to a point neither more than 18 inches (450 mm) nor less than 6 inches (150 WARNING: Pressure relief valve discharge piping mm) above the floor level. The duct can also must be piped near the floor close to a floor drain to "Goose Neck" through the roof. The duct is pre- eliminate the potential of severe burns. Do not pipe ferred straight down 18 inches from floor, but do to any area where freezing could
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Table D-1 40°F ΔP Should include typical piping To/From a single tank as well as bypass piping. Table E: Rate of Flow and Pressure Drop NOTE: gpm flow rates limited by maximum The boiler piping system of a hot water heating boiler acceptable velocity through heat exchanger tubes. connected to heating coils located in air handling units May be increased by 10% for closed heating where they may be exposed to circulating refrigerated systems. Pressure drop would increase by 21%. air, must be equipp
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Fig. 4: Single Boiler - Primary/Secondary Piping Fig. 5: Single Boiler - Primary/Secondary Piping with CHX 14
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Fig. 6: Dual Boiler Piping Fig. 7: Dual Boiler - Piping with CHX 15
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Fig. 8: Single Boiler - Low Temperature Application (Heat Pump) Primary/Secondary Piping soft, medium and hard water. Hardness is specified as DOMESTIC HOT WATER grains per gallon. PIPING When designing the water piping system for domestic water applications, water hardness should be consid- ered. Table F indicates the suggested flow rates for ΔT=Temperature rise in °F GPM=Gallons per minute See Table D for Pressure Drop Table F: Domestic Water Heating Boiler Flow Rate Requirements 16
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Fig. 9: Single Boiler - Domestic Hot Water with One Storage Tank Fig. 10: Single Boiler - Domestic Hot Water with One Storage Tank and CHX 17
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Fig. 11: Single Boiler - Domestic Hot Water with One Storage Tank and CHX (2 pump system) Fig. 12: Single Boiler - Domestic Hot Water with One Storage Tank, One Pre-Heat Tank and CHX 18
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Automatic Chlorinators and POOL HEATING Chemical Feeders CAUTION: Power to the heater should be All chemicals must be introduced and completely dilut- interlocked with the main system pump to make sure ed into the pool or spa water before being circulated the heater does not fire without the main system through the heater. Do not place chlorine tablets or pump in operation. Improper flow control can bromine sticks in the skimmer. High chemical concen- damage the heater. Uncontrolled flow (too hi
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Fig. 13: Single Boiler - Pool Application Fig. 14: Single Boiler - Pool Application with CHX 20
