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CATALOG NO.: 3300.51I
Effective: 01-01-03
Replaces: 01-01-01
OPERATING AND
INSTALLATION
INSTRUCTIONS
Model B-195
GAS FIRED AUTOMATIC
INSTANTANEOUS
BOOSTER WATER
HEATER
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 o
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CONTENTS PAGE DESCRIPTION 3 1. RECEIVING EQUIPMENT 3 2. GENERAL SPECIFICATIONS AND DIMENSIONS 4 3. INSTALLATION PROCEDURES 4 - Code Requirements 4 - Combustion/Ventilation Air 5 - Venting 8 - Gas Piping 8 - Water Piping 11 - Electrical Wiring 12 4. START-UP AND OPERATION 12 - Component Location 12 - Sequence of Operation 12 - START-UP Procedures. 16 5. SERVICING UNIT 16 - Trouble Shooting Guide - Maintenance 18 6. PARTS 19 - Illustrated Parts 20 - Parts List 23 WARRANTY These instru
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1. RECEIVING EQUIPMENT On receipt of your equipment it is suggested that you visually check for external damage to the carton. If the carton is damaged, it is suggested that a note be made on the Bill of Lading when signing for equipment. Remove the heater from the carton and if it is damaged report the damage to the carrier immediately. Be sure that you receive the number of packages indicated on the Bill of Lading. Claims for shortages and damages must be filed with the carrier by consig
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3. INSTALLATION PROCEDURES. CODE REQUIREMENTS Installation must be in accordance with local codes, or in the absence of local codes with the latest edition of the National Fuel Gas Code, ANSI Z223.1, the National Electrical Code, ANSI/NFPA 70. For Canada, CAN/ CGA B149.1 and .2, and CSA C22.2 No. 1. LEG INSTALLATION Four (4) legs are supplied loose within the carton for installation at the site. This will provide the required six- inch clearance off the floor. To install the legs, raise one
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Measures must be taken to prevent the entry of corrosive chemical fumes to the combustion and ventilation air supply. Such chemicals include, but are not limited to, chlorinated and/or fluorinated hydrocarbons such as found in refrigerants, aerosol propellants, dry-cleaning fluids, degreasers, and paint removers. Other harmful elements may come from bleaches, air fresheners, or mastics. Vapors from these types of products can form corrosive acid compounds when burned in a gas flame. The res
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Applies only to exhaust hood over cooking equipment. Fig. #8975.3 6
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All horizontal runs of the vent pipe shall have a The gas booster heater may be vented 3 ways: minimum rise of 1/4" per foot of length and should be supported at maximum intervals of 5 feet (for Canada, 1. Through the sidewall, or the ceiling, as discussed 3 feet) and at each point where an elbow is used. previously. For horizontal venting, the total length of 4-inch 2. Into the exhaust system. (See illustration on page diameter pipe shall not exceed 30 feet with up to two 6) Vent pipe must no
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GAS PIPING The gas inlet pipe size is 1/2" NPT to the gas valve. Provide an adequate size gas supply line. The line should not be smaller than 1/2" NPT according to the chart below. MAXIMUM EQUIVALENT PIPE LENGTH (FEET) Pipe Size Gas 1/2" 3/4" 1" Natural 5 30 100 Propane 70 180 Gas piping must have a sediment trap ahead of the heater gas controls and a manual shut-off valve lo- cated outside the jacket. A manual shut-off valve is provided loose and must be installed at the site. Fi
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A drain valve is provided in the tank for draining water during servicing. The temperature and pressure relief valve is easily accessible through the front. A nipple is provided (shipped loose with the heater) for installation in the T & P relief valve. A drain line must be connected to the nipple and run to a safe place of disposal. WARNING: Failure to do so can cause water damage or burns due to scalding if the relief valve should open. Drain line must be as short as possible, pitch downwa
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ELECTRICAL The electrical power supply requirement for the heater is 120 volts, 60 Hz, 5.0 amps or less . Field wiring connections and electrical grounding must comply with the local codes, or in the absence of local codes, with the latest edition of the National Electrical Code, ANSI/NFPA 70. NOTE: Polarity must be observed for the heater to operate properly. Consult wiring diagram. Provide a separate fused circuit from the main electrical panel to the heater and a disconnecting means wit
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LADDER DIAGRAM CONNECTION DIAGRAM DANGER: SHOCK HAZARD Turn off electrical power to boost heater before servicing any component in the heater to prevent equipment damage or personal injury. NOTE: If it is necessary to replace any of the original wiring, it must be replaced with 105°C rated wire or its equivalent. 11
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4. START UP AND OPERATION COMPONENT LOCATION SEQUENCE OF OPERATION off until the next call for heat. The operating limit control The booster heater is designed to maintain a tempera- is factory set at 185°F. Combustion air blower and the ture of 180 deg. F (82.2 Deg. C) of 490 GPH water circulator pump will cycle On/Off with the operating limit required for the rinse cycle of a commercial dish- controller. washer. An inlet temperature of 140 Deg. F (60 Deg. C) will produce optimum results. S
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SECTION 3. LIGHTING THE HEATER 4. This appliance is equipped with an ignition device which automatically lights the burners. Do Safety lighting and other performance criteria were not try to light the burners by hand. met for the burner assembly and control assembly 5. Push in and move gas control lever counter when the heater was tested for design certification clockwise to "OFF" position. under the ANSI Z21.10.3 Standard 6. Wait five (5) minutes to clear out any gas. If you then smell gas.
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SECTION 4. 3. Remove screws on burner access panel. TESTING THE IGNITION SAFETY SHUT-OFF 4. Remove refractory block. 5. Visaully inspect burner tray panel. The ignition system safety shut-off must be tested by 6. Reverse above procedure to reinstall, checking conducting the following method of tests: burner tray and seal to prevent leakage. a) With the system power off, manually shut off the ADJUSTMENTS/REPLACEMENTS gas supply. OF COMPONENTS b) Turn power back on, observe the igniter start to h
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5. Limit Control Module 11. Combustion Air Blower Replacement a) Shut-off electrical power to the heater. a) Shut off electrical power to heater. b) Remove control cover screws and open con- b) Remove front panel and access cover on left trol compartment. side of heater. c) Disconnect wiring connections to the board. c) Remove screws (3) on blower housing mount- d) Carefully pull out the control board from the ing panel. nylon pin supports. d) Drop down blower assembly from discharge e) Reverse
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5. SERVICING UNIT TROUBLE SHOOTING GUIDE PROBLEM POSSIBLE CAUSE SUGGESTED SOLUTION 1. On-Off switch energized. Unit 1a. No power to heater a. Cycle the Power Switch off then on. does not operate. -Check circuit breaker and electrical disconnect. -Check for reversed polarity and im- proper ground. -Check dishwasher vent interlock, if applicable. 1b. Defective transformer b. Check secondary voltage. If no 24 volts, replace transformer. 2. Pump/Blower NOT running. 2a. Loose wire(s) 2a. Check wiri
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Continuation TROUBLE SHOOTING GUIDE 3d. Excessive vent exhaust or 3d. Excessive negative pressure exerted defective air/vent switch. by the exhaust system on the vent will prevent N.O. combustion air/vent switch from closing. Provide means to relieve pressure and close the N.O. switch. If combustion air/vent switch will not close, replace switch. 3e. Ignition module or igniter 3e. Disconnect igniter leads from ignition may be defective. module. Make sure 24V is present across ignition termi
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6. REPLACEMENT PARTS LIST NOTE: To supply the correct part it is important that you state the model number, serial number and type of gas when applicable. Any part returned for replacement under standard company warranties must be properly tagged with RAYPAK return parts tag, completely filled in with the heater Serial Number, Model Number etc., and shipped to the Company freight prepaid. If determined defective by the Company and within warranty, the part will be returned in kind or equivale
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