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Demand Duo

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R

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Series Installation and Operation Manual

 

 48

 

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Service / Maintenance Completed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Содержание Demand Duo CHS199100RiN

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

Страница 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...

Страница 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...

Страница 51: ...04 2020 100000675 01...

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