Rinnai Demand Duo CHS199100RiN Installation And Operation Manual Download Page 35 | Manualshive

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Demand Duo

™

R

-

Series Installation and Operation Manual

35

Single Unit Circulation

Note:

Installation must conform to applicable codes and all requirements listed in this manual. Balancing valves, equivalent piping , pressure gauges,
and temperature gauges are to be used as necessary to ensure proper flow between units.

All components shall be selected for the pressure and temperature rating of the installation.

Gas Supply

Cold Water Supply

Tankless PRV

Tank T&P

Pipe T&P to Open Drain

Hot Water Supply Line

Building

Circulation

Pump

Building Hot

Water

Return Line

(Optional)

6 inch. B

-

Vent

Figure 32

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Summary of Contents for Demand Duo CHS199100RiN

Page 1: ...372 CHS19980RiN 80 Gallon 199 000 BTU CHS19980RiP 80 Gallon 199 000 BTU CHS199100RiN 100 Gallon 199 000 BTU CHS199100RiP 100 Gallon 199 000 BTU For Indoor Commercial Applications Only This product is...

Page 2: ...d installer service agency or the gas supplier WARNING IF THE INFORMATION IN THESE INSTRUCTIONS IS NOT FOLLOWED EXACTLY A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE PERSONAL INJURY OR DEATH...

Page 3: ...Operating Instructions 27 6 3 Gas Pipe Sizing Reference Tables 28 6 4 Connect Electricity 29 6 5 System Controller 31 6 6 Checklist for Gas and Electricity 32 7 System Plumbing 33 7 1 Pressure Relief...

Page 4: ...e responsibility of the installer When installation is complete leave this manual with the system or give the manual directly to the owner You must read the entire manual to properly operate the water...

Page 5: ...nce or its controls can be dangerous and will void the warranty Proper venting is required for the safe operation of this appliance with 6 in B Vent or greater Refer to this manual or NFPA 54 for prop...

Page 6: ...her flammable vapors and liquids in the vicinity of this or any other appliance Install vent system per local and national codes Exposure to carbon monoxide can cause serious brain injury or death Rea...

Page 7: ...IFEC Supplied but not installed Dirt Leg Gas Swivel Gas Flex Line Flare Nut Adapter Supplied but not installed Front Cover The tankless engine is to be used as a service part only for the De mand Duo...

Page 8: ...ntrol Electronic Gas Supply Pressure Gas 4 0 10 5 inch W C Propane 8 0 13 5 inch W C Connections Gas Supply Inlet 3 4 in MNPT Hot Water Outlet 1 1 2 in MNPT Cold Water Inlet 1 1 2 in MNPT Ignition Sys...

Page 9: ...l Electronic Gas Supply Pressure Natural Gas 4 0 10 5 inch W C Propane 8 0 13 5 inch W C Connections Gas Supply Inlet 3 4 in MNPT Hot Water Outlet 1 1 2 in MNPT Cold Water Inlet 1 1 2 in MNPT Ignition...

Page 10: ...e Models CHS19980RiN CHS19980RiP Temperature and Pressure Relief Valve 54 28 1378 7 63 72 in 1618 48 B Vent 4 19 106 43 1 1 2 in MNPT Cold 25 88 657 35 PRV 62 66 1591 56 3 54 89 92 Drain 29 60 751 84...

Page 11: ...S199100RiP Temperature and Pressure Relief Valve 56 7 1440 18 32 3 820 42 PRV 69 4 1762 76 71 3 1811 02 6 in B Vent 71 1 1805 94 1 1 2 in MNPT Hot 37 2 944 88 Gas 3 44 87 37 Drain 4 20 106 68 1 1 2 in...

Page 12: ...e ANSI NFPA 70 or the Canadian Electrical Code CSA C22 1 The appliance and its main gas valve must be disconnected from the gas supply piping system during any pressure testing of that system at test...

Page 13: ...n ID PVC flexible tubing 2 conductor 22 AWG wire for controller Single gang electrical box Wire nuts Unions and drain valves Drain Pan Earthquake strap This section provides information on the importa...

Page 14: ...on control by feeding a blend of control compounds into the cold water supply Air surrounding the water heater is used for combustion and must be free of any compounds that cause corrosion of internal...

Page 15: ...5 Replace the screws around the perimeter of the plastic enclosures STRAP Plastic Enclosure Side Plastic Enclosure Bottom STRAP Strap A Strap B Lower Enclosure IMPORTANT Product installed in the state...

Page 16: ...following page for more information WARNING All vent Category I passing through a concealed space an attic or floor MUST be Type B double wall vent and or Type B double wall vent connectors This appli...

Page 17: ...eater than 80 This higher efficiency will result in lower flue gas temperatures Such temperatures may be too low to activate a thermal operated vent damper Use of a thermal operated flue damper on thi...

Page 18: ...horizontal length of the vent connector cannot exceed 75 of the height of the chimney or vent Unnecessary bends should be avoided as to not create excessive resistance to flow of vent gases Single Wal...

Page 19: ...n must comply with the requirements stated in Table 4 and Figure 9 If the gas vent is greater than 12 inches in diameter or located less than 8 ft 2 4 m from a vertical wall or similar obstruction the...

Page 20: ...the requirements stated in the National Fuel Gas Code NFPA 54 ANSI Z223 1 latest edition and the requirements of local codes Vent should extend in a generally vertical direction Any vent angle less t...

Page 21: ...pace whose volume is not less than 50 cubic feet per 1000 Btu hr 4 8 m3 per kW per hour of the aggregate input rating of all appliances installed in that space Rooms communicating directly with the sp...

Page 22: ...ated in Figure 12 consideration must be taken for the design of the louvers or grills to maintain the required free area required for all gas utilizing equipment in the space If the free area of the l...

Page 23: ...wo ways 1 Directly through horizontal ducts 2 Indirectly through vertical ducts When communicating directly with the outdoors through horizontal ducts each opening shall have a minimum free area of 1...

Page 24: ...tion instructions All installations must be vented in accordance with National Fuel Gas Code NFPA 54 ANSI Z223 1 latest edition and the requirements of state or local codes In Canada the furnaces must...

Page 25: ...cracking the piping shall be rinsed with water after testing unless it has been determined that the leak test solution is non corrosive Use approved connectors to connect the unit to the gas line Purg...

Page 26: ...ter 3 Thread the flare side of the 36 in Gas Flex into the flare side of the Gas Flare Adapter Figure 20 5 Leak test ALL gas fittings and assembly using a leak test solution soap and water or an equiv...

Page 27: ...AS TO APPLIANCE 1 Turn off all electric power to the appliance using the ON OFF button 2 Set the thermostat to lowest setting 3 Locate the manual gas valve on the side of the heater Turn the manual va...

Page 28: ...ting value of the gas available from the local gas company The gas input needs to include all gas products at the location and the maximum BTU usage at full load when all gas products are in use 2 Use...

Page 29: ...e Do not cut or remove the grounding terminal from this plug This appliance includes an integrated junction box for hard wire or three prong plug WARNING When connecting the power supply follow these...

Page 30: ...nto the knockout opening and pull the green white and black wires into the box 5 Strip the green white and black field sup plied wires 1 2 in Make sure the conductors are completely bare Figure 26 Fig...

Page 31: ...t in use for an extended period of time disconnect power from the system ATTENTION On the SW1 DIP switch tan switches set switches 2 and 3 to the values shown in the table below for your altitude Tabl...

Page 32: ...is placed in the gas line to the water heater Check the gas lines and connections for leaks Confirm that the gas inlet pressure is within limits Confirm that the water heater is rated for the gas typ...

Page 33: ...al Standard ANSI Z21 10 3 for all water heating systems and shall be accessible for servicing DO NOT Do not plug the T P Relief valve and do not install any reducing fittings or other restrictions in...

Page 34: ...mal Expansion Tank H 6 in B Vent I Operation Unit Temperature Control J Drain Pan K Pressure Relief Valve Dis charge Pipe do not cap plug or reduce L Drip Leg Sediment Trap M Gas Union N Gas Valve O T...

Page 35: ...valent piping pressure gauges and temperature gauges are to be used as necessary to ensure proper flow between units All components shall be selected for the pressure and temperature rating of the ins...

Page 36: ...re gauges are to be used as necessary to ensure proper flow between units Common venting of this Category 1 fan assisted appliance is permitted Consult the latest version of the National Fuel Gas Code...

Page 37: ...To prevent damage to the water heater all air must be relieved from the system and a hot water fixture must be flowing water before the water heater is plugged in and turned on To ensure safe and eff...

Page 38: ...r to remove any debris Install the filter and open the isolation valves Check the gas lines and connections for leaks Confirm that the gas inlet pressure is within limits Confirm that the water heater...

Page 39: ...h unless specifically instructed to do so Do not use an extension cord or an adapter plug with this appliance Any alteration to the appliance or its controls can be dangerous and will void the warrant...

Page 40: ...button for 5 seconds while the water heater is OFF Temperature Settings Available Fahrenheit F 120 125 130 135 140 145 160 180 150 155 165 170 175 Celsius C 48 9 51 7 54 4 57 2 60 62 8 71 1 82 2 65 5...

Page 41: ...g that this controller is controlling the temperature and that the water heater is ready to supply hot water The priority can only be changed while no hot water is running DANGER 3 Press the Up or Dow...

Page 42: ...e beeps repeat the above steps LOC 1 To lock the controller press and hold down the Priority button 2 While holding down the Priority button press the Up button until a beep is heard approximately 5 s...

Page 43: ...nd by chlorinat ing the storage tank and plumbing system If the problem continues special filtration equipment may be required Under no circumstances are the anodes to be removed from the water heater...

Page 44: ...rate 0 1 gal min 01 Outgoing water temperature Degrees Fahrenheit 02 08 Incoming Tankless Temperature Degrees Fahrenheit Some of the checks below should be performed by a licensed professional Owners...

Page 45: ...in the flue outlet If the system is propane make sure that gas is in the tank Ensure gas line meter and or regulator are sized properly Ensure gas type and pressure are correct Bleed all air from gas...

Page 46: ...supply Check all plumbing internally for leakage Lc Scale Build up in Heat Exchanger when checking maintenance code history 00 is substituted for LC LC0 LC9 indicates that there is scale build up in t...

Page 47: ...Demand Duo R Series Installation and Operation Manual 47 Date Service Maintenance Completed...

Page 48: ...Demand Duo R Series Installation and Operation Manual 48 Date Service Maintenance Completed...

Page 49: ...thermostat timer or an on demand recirculation system is not incorporated On demand recirculation is de ned as a hot water recirculating loop or system that utilizes existing hot and cold lines or a d...

Page 50: ...sizing Any other cause not due to defects in materials or workmanship Problems or damage due to res ooding electrical surges freezing or any acts of God Force majeure There is no warranty coverage on...

Page 51: ...04 2020 100000675 01...

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