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SUPPLEMENTAL INSTALLATION AND
OPERATING INSTRUCTIONS
FlexGas
For Hi Delta Models
302CD–2342CD
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.
NOTE: THIS MANUAL IS SUPPLEMENTAL FOR THE FLEXGAS MODELS OF
THE HI DELTA HEATERS. THIS MANUAL ADDRESSES THE SPECIFIC DIF-
FERENCES BETWEEN THESE HEATERS AND STANDARD HI DELTA
MODELS. Please refer to the standard Installation and Operating Instruction manuals
(Catalogs 1000.502 and 1000.512 as appropriate) for installation requirements which are
not related to the gas supply.
WHAT TO DO IF YOU SMELL GAS:
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's
instructions.
• If you cannot reach your gas supplier, call the fire department.
Installation and service must be performed by a qualified installer, service agency or the gas
supplier.
This manual should be maintained in legible condition and kept adjacent to the heater or in another safe place for
future reference.
Catalog No. 1000.58D
Patent No. 6,904,873; Other patent pending
®
Effective: 05-15-17
Replaces: 10-14-14
P/N 241295 Rev. 5
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Related Manuals for Rheem Raypak Hi Delta FlexGas 302CD
Summary of Contents for Rheem Raypak Hi Delta FlexGas 302CD
- Page 1 SUPPLEMENTAL INSTALLATION AND OPERATING INSTRUCTIONS FlexGas ® For Hi Delta Models 302CD–2342CD 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.
- Page 2 Rev. 5 reflects the following: Changes to: updated to C models...
-
Page 3: Model Identification
2-stage, 8 = 3-stage and 9 = 4-stage). NOTE: Not all WARNING: Do not use this heater if any part has these firing options are available on all heaters. been under water. Immediately call a qualified serv- Refer to the Hi Delta manual for available firing ice technician to inspect the heater and to replace options. -
Page 4: Component Locations
Installation Codes All Raypak heaters are National Board Approved, and design-certified and tested by the Canadian Stan- dards Association (CSA) for the U.S. and Canada. Installations must follow these codes: Each heater is constructed in accordance with Section IV of the American Society of Mechanical Engineers •... -
Page 5: Gas Supply Pressure
Low Gas Pressure Switch (Optional on 302CD-902CD) Fig. 2: Gas Supply Connection - Top View Gas Supply Pressure CAUTION: DO NOT adjust the individual heater gas valve pressure settings when firing with A minimum of 5.0 in. WC and a maximum of 10.5 in. propane gas. -
Page 6: Pre Start-Up Check
Propane Supply Pressure Test Point Gas Valve Output Tap Models: 302CD-902CD Models: 992CD- 2342CD Fig. 4: FlexGas Gas Pressure Measurement Locations Start-up any part of the control system and any gas control which has been under water. • Check around unit for debris and remove combus- For Your Safety tible products, i.e. - Page 7 Preparation 4. Check if the service regulator is installed and/or adjust the service regulator. WARNING: Do not turn on gas at this time. WARNING: This FlexGas heater is intended for operation on Natural Gas as the primary fuel. DO Check Power Supply NOT use this heater with Propane Gas as the pri- mary fuel.
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Page 8: Safety Inspection
8. If burner does not light on first trial. It will retry, up NOTE: Reset Low Gas Pressure Switch (when to three times. equipped) if necessary. Refer to Fig. 2 for location. 9. Main burner ignition: Check upper manifold gas From PRO to NAT: pressure. -
Page 9: Wiring Diagram
5. Replace all gas pressure caps. 6. Check for gas leaks one more time. 7. Restart unit. Fig. 5: FlexGas Control Panel Wiring Diagram Fig. 6 Wiring Diagram... - Page 11 CALL OUT DESCRIPTION 302CD-652CD 752CD-902CD 992CD-1262CD 1532CD-2342CD Y DECAL GAS SOLENOID VALVE (NAT) 011910F 011910F 011911F 011911F GAS SOLENOID VALVE (PRO) 012125F 011910F 011910F 011910F MANUAL GAS VALVE (NAT) 011945F 011945F 007665F 007665F MANUAL GAS VALVE (PRO) 011944F 011945F 011945F 011945F LOW GAS PRESSURE SWITCH 007187F...
- Page 12 www.raypak.com Raypak, Inc., 2151 Eastman Avenue, Oxnard, CA 93030 (805) 278-5300 Fax (805) 278-5468 Litho in U.S.A.