Raypak 0090A - Manuals

5 GENERAL SAFETY To meet commercial hot water requirements, the tank-stat is adjustable up to 190°F. However, watertemperatures over 125°F can cause severe burnsinstantly or death from scalds. This is the preferredstarting point for setting the control for supplying gen-eral purpose hot water. Safet...

6 RECEIVING EQUIPMENT On receipt of your equipment it is suggested that youvisually check for external damage to the carton. If thecarton is damaged, it is suggested that a note be madeon the Bill of Lading when signing for equipment.Remove the heater from the carton and if it is dam-aged report the...

7 Model No. Input (MBH) Recovery (gph) Tank (Gal)** Piping Connections (in.) Dimensions (in.) Water (NPT) Gas (NPT) A B K (Vent Dia.) WH-0090 90 90 80 1 1/2 11 5-3/4 5 WH-0135 135 132 80 1-1/4 1/2 18 6-1/4 6 WH-0195 195 192 80 1-1/4 1/2 18 6-1/4 7 Recovery gph based on manufacturer's rating.**May be...

8 INSTALLATION Code Requirements Installation must be in accordance with local codes, or,in the absence of local codes, with the latest editionsof the National Fuel Gas Code, ANSI Z223.1,/NFPA54, and the National Electrical Code, ANSI/NFPA 70.In Canada installations must conform with the currentCAN/...

9 1. The heater must be provided with adequate sup- ply of air for proper combustion and ventilation inaccordance with Sec. 5.3 of the latest edition ofthe National Fuel Gas Code, ANSI Z223.1, orapplicable provisions of the local building codes. 2. If the heater room is located against an outside wa...

10 Common Vents Manifolds that connect more than one heater to a com-mon chimney must be sized to handle the combinedload. Consult available guides for proper sizing of themanifold and the chimney. At no time should the area be less than the area of the largest outlet. At the time of removal of an e...

11 (g) Any improper operation of the common venting system should be corrected so the installationconforms with the latest edition of the NationalFuel Gas Code, ANSI Z223.1. When re-sizing anyportion of the common venting system, the com-mon venting system should be re-sized toapproach the minimum s...

12 Gas Pressure Specifications Gas Pressure Regulator The gas valve is provided with pressure taps to meas-ure gas pressure upstream of the gas valve anddownstream which is the same as the manifold pres-sure. Type of Gas Inches WC Regulator Setting Min. Max.* Natural 4.5 10.5 3.5 Propane 12.0 13.0 1...

13 When this water heater system is supplying generalpurpose hot water requirements for use by individuals,a thermostatically controlled mixing valve is recom-mended to reduce the risk of scald injury. Contact alicensed plumber or the local plumbing authority forfurther information. Thermometer(s) s...

16 SERVICING PROCEDURES General Location of Controls Sequence of Operation Inter mittent Ignition Device (IID) Heaters equipped with the IID system will automatical-ly light the pilot burner first and then the main burner,each time there is a call for heat from the tankstat.Whenever the tankstat cal...

17 For Standing Pilot Model withRober tshaw Gas Valve, On/OffOperation 1. STOP! Read the safety information.2. Set the tankstat on the lowest setting.3. Turn OFF all electric power to the heater.4. Remove heater door panel.5. Push in gas control knob slightly and turn clock- wise to "OFF". 6...

instructions. • If you cannot reach your gas supplier, call the firedepartment. C. Use only your hand to push in, move or turn the gas control knob or lever. Never use tools. If theknob or lever will not push in, move or turn byhand, don't try to repair it, call a qualified servicetechnician. Force ...

19 of the control system and any gas control whichhas been under water. For Inter mittent Ignition (IID) withHoneywell or Rober tshaw GasValve 1. STOP! Read the safety information above on this label. 2. Set the tankstat on the lowest setting.3. Turn off all electric power to the appliance.4. This a...

20 Testing the Ignition Safety Shut-off The ignition system safety shutoff must be tested byconducting the following tests: For Standing Pilot Systems 1. With the main burners on, remove the pilot adjust-ment cover screw. 2. Insert a small slot screw driver and turn the adjust- ment screw clockwise ...

22 Repair Section Tube Cleaning Procedure (Typical) Establish a regular inspection schedule, the frequencydepending on the local water condition and severity ofservice. Do not let the tubes clog up solidly. Clean outdeposits over 1/16" in thickness. The heater may be cleaned from the side opposi...

23 These instructions are primarily intended for the use of qualified personnel specifically trained and experienced in the installation of this type of heating equipment and related system components. Installation and service personnel maybe required by some states to be licensed. Persons not quali...

25 ADJUSTMENTS &REPLACEMENT OFCOMPONENTS Gas Valve Replacement 1. Shut off electrical power and gas supply to the heater. 2. Remove gas piping to gas valve inlet.3. Disconnect wiring connections, pilot tubing (when equipped). 4. Remove screws (2) holding the burner tray.5. Slide burner tray out....

Replacement Par ts Any part returned for replacement under standardcompany warranties must be properly tagged withRAYPAK return parts tag, completely filled in with theheater serial number, model number etc., and shippedto the Company freight prepaid. If determined defective by the Company and withi...