Continuum 2424 Manual
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Continuum 2424 Manual

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How to use your New
Continuous Flow
Water Heater
WARNING: If the information in these instructions is not followed exactly,
a fire or explosion may result causing property damage, personal injury or
death.
-Do not store or use gasoline or other flammable vapors and liquids in
the vicinity of this or any other appliance.
-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
* Immediately call your gas supplier from a neighbor's phone. Follow
* 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.
Model 2424
(outdoor unit)
building
the gas supplier's instructions.

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Summary of Contents for Continuum 2424

  • Page 1 How to use your New Continuous Flow Water Heater Model 2424 (outdoor unit) WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death. -Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

  • Page 2: Specifications

    " 4 o i t o i t c i r o i t f - i o i t o i t o l f o l f c i t o l f www.rinnaiamerica.com Model 2424...
  • Page 3 " 9 e r i l a i t e v i s t r s ' t i r r a r o f ) s l i l a i n i t . s t Model 2424 800-621-9419...
  • Page 4 This warranty gives you specific legal rights and you may also have other rights which vary from state to state. This Warranty shall apply to the Continuum 2424W Continuous Hot Water Heater as follows: CONDITION AND EXCEPTIONS...

  • Page 5: Table Of Contents

    Specifications .............. 2,3 Warranty ................ 4 Owner's Installation Information ........6 Features of your new Continuum ........ 7 Safety Issues .............. 8,9 Basic Operation ............10 About Hot Water ............11 Scalds-First Aid ............11 Remote Control Operation ......... 12 Error Messages ............

  • Page 6: Warranty

    Detailed instructions on the proper installation practices to follow for the installation of your new continuous hot water heater are included at the back of this manual. For the Rinnai Certified Installer nearest you call: 1-800-621-9419. www.rinnaiamerica.com Model 2424...

  • Page 7: Features Of Your New Continuum

    Ignition is electronic, there is no pilot light. When the hot water tap is off, no gas is used. You save energy and money with the Continuum 2424. The temperature of the outgoing hot water is constantly monitored by a built in sensor.

  • Page 8: Safety Issues

    Do not clean Remote Controls with Do not touch the cover or insert objects solvents. Use a soft damp cloth. into the flue outlet of the Continuum 2424. On cold days steam may be discharged from the flue outlet, this is normal with a high efficiency appliance and does not indicate a fault.
  • Page 9 The Continuum 2424 controls the water length of the pipe between the Continuum temperature automatically. To do this it 2424 and the tap in use, there may be a sometimes needs to change the water variation between the temperatures displayed flow accordingly.

  • Page 10: Basic Operation

    Priority To take control of the Continuum 2424 all hot water taps must be closed. Press the “Priority button” on the control you want to set the temperature with and the yellow To operate the Continuum 2424 simply turn “Priority” indicator will glow on the Control any hot water tap on.

  • Page 11: About Hot Water

    W A T E R Hot Water Is Dangerous, especially for the young and the elderly or the infirm. The Continuum 2424 allows you to precisely control the tempera- ture of your hot water, ensuring safe hot water temperatures. Water Temperatures over 125°F can cause severe burns instantly or death from scalds.

  • Page 12: Remote Control Operation

    The Main Controller MC-45-3US is intended to be used in the kitchen, laundry room or utility area, the Bath Controller BC-45-3US and the Second Bath Controller BSC-45-3US are intended for installation in the bathroom. www.rinnaiamerica.com Model 2424...

  • Page 13: Error Messages

    The Continuum 2424 has the ability to check its own operation continuously. If a fault occurs, an Error Message will flash on the Digital Monitor of the Remote Controls. This assists with diagnosing the fault, and may enable you to overcome a problem without a service call.

  • Page 14: Maintenance & Service Information

    5) Do not obstruct flow of combustion and ventilation air. In the case of any fault or error message from the Continuum 2424, first turn all hot water taps off. Wait for 5 seconds. Turn the hot water tap back on. If this does not correct the fault or eliminate the error message from the remote control, press the priority button on and off twice to reset the system.
  • Page 15 The water heater must be cleaned annually. Keep the water heater clear of dust and debris especially in and around burner. Cleaning procedures for the Continuum are as follows: 1) Turn off and disconnect electrical power. Allow to cool for one hour.

  • Page 16: Trouble Shooting And Common Questions

    - When I open a hot tap. I do not immediately get hot water! - Hot water must travel through your plumbing from the Continuum 2424 to the faucet. This can take from 2 to 10 or more seconds de- pending upon your plumbing system.

  • Page 17: Operating Instructions

    STOP! Follow “B” in 5) Turn the manual valve located at gas the safety information above on this label. inlet of the appliance clockwise If you don’t smell gas, go to next step. to “OFF”. Model 2424 800-621-9419...

  • Page 18: Care & Lime Condition Warning

    MUST be flushed. Contact a qualified Rinnai service technician to flush the appliance. Failure to flush the appliance when “LC” is flashing, will cause damage to the heat exchanger. Damage caused by lime build up is not covered by the unit’s warranty. www.rinnaiamerica.com Model 2424...
  • Page 19 Installer’s Instructions This section is for the Rinnai Certified Installer only. If you are not certified you are not authorized to install this unit. The warranty may be voided due to installation by a non-certified installer. For information on becoming a Rinnai Certified Installer, call 1-800-621-9419.

  • Page 20: Warnings

    - Toxic chemicals such as those used for boiler water treatment are NOT to be introduced to the Continuum 2424. - The Continuum 2424, if it will be used as a potable water source, it must not be connected to a system that was previously used with a nonpotable water heating appliance.

  • Page 21: Performance Data

    I N S TA L L E R ’ S I N S TA L L AT I O N I N S T R U C T I O N S C O N T I N U U M P R E S S U R E D R O P C U RV E Model 2424 800-621-9419...

  • Page 22: Locating The Unit

    I N S TA L L E R ’ S I N S TA L L AT I O N I N S T R U C T I O N S Locating the unit Eve, porche, or overhang Flue Continuum 2424 Window Door Vent termination clearances Minimum A..Vertically below an openable window............12”...

  • Page 23: Recommended Piping For Installation

    R E C O M M E N D E D P I P I N G F O R I N S TA L L AT I O N Model 2424 800-621-9419...
  • Page 24 R E C O M M E N D E D P I P I N G F O R I N S TA L L AT I O N www.rinnaiamerica.com Model 2424...

  • Page 25: Power Failure Freeze Protection

    INSTALLER’S INSTALLATION INSTRUCTIONS OPTIONAL:Power Failure Freeze Protection Model 2424 800-621-9419...

  • Page 26: Gas Piping Sizing Charts

    After determining the length of pipe required select the pipe size that will supply the cubic feet per hour of gas required for the input rating of the Continuum 2424. The formula for figuring the cubic feet per hour required is:...

  • Page 27: Gas Piping Notes

    1) A manual gas control valve must be placed upon the gas inlet connection to the Continuum 2424 before it is connected to the gas line. A union can be used on the connection of the Continuum for the future servicing or disconnection of the unit.

  • Page 28: Water Piping Notes

    1) A manual water control valve must be placed upon the water inlet connection to the Continuum 2424 before it is connected to the water line. Unions may be used on both the hot/cold water supply lines, for the future servicing or disconnection of the unit.

  • Page 29: Electrical Connection Notes

    2 An on/off switch must be provided and installed for the incoming 120VAC power. 3 Wire the Continuum 2424 exactly as shown in the wiring diagram on the next page and on the inside of the cover panel. The blue wire is the hot leg wire;...

  • Page 30: Wiring Diagram

    I N S TA L L E R ’ S I N S TA L L AT I O N I N S T R U C T I O N S Wiring Diagram www.rinnaiamerica.com Model 2424...
  • Page 31 I N S TA L L E R ’ S I N S TA L L AT I O N I N S T R U C T I O N S Wiring Diagram Model 2424 800-621-9419...

  • Page 32: Lighting The Unit

    3) Turn the manual gas control valve on. STOP!! READ THE SAFETY ISSUES ON PAGES 8 & 9 4) Turn on any hot water tap. The Continuum 2424 should light and begin heat- ing your water. If the Continuum 2424 fails to light 1) DO NOT ATTEMPT TO LIGHT BY HAND.

  • Page 33: Remote Controls

    I N S TA L L E R ’ S I N S TA L L AT I O N I N S T R U C T I O N S Remote Controls- General The remote controls for the Continuum 2424 allow the customer to control the functions of the water heater and to diagnose certain fault conditions.
  • Page 34 Note: If the cable cannot be run in the wall cavity, the plastic knockout should be re- moved from the top or bottom of the control to allow flush mounting with the wall Disconnect the power from the Continuum 2424 . Remove the cover of the Continuum 2424 .

  • Page 35: Testing

    11) Check the operation of the unit. Check the operation of each of the remote controls. Check the operation of the Power failure protection system. 12) Explain the proper operation of the Continuum 2424 to the customer. Model 2424 800-621-9419...

  • Page 36: Diagnostic Points

    Ω ° 5 Ω ° 0 Ω ° 5 Ω Ω c t i t i n Ω o l l Ω t a l Ω Ω Ω Ω Ω Ω o l l Ω Ω www.rinnaiamerica.com Model 2424...

  • Page 37: Schematic Diagram

    I N S TA L L E R ’ S I N S TA L L AT I O N I N S T R U C T I O N S Schematic Diagram Model 2424 800-621-9419...

  • Page 38: Exploded View

    I N S TA L L E R ’ S I N S TA L L AT I O N I N S T R U C T I O N S Exploded View - Cabinet www.rinnaiamerica.com Model 2424...
  • Page 39 I N S TA L L E R ’ S I N S TA L L AT I O N I N S T R U C T I O N S Exploded View - Internals Model 2424 800-621-9419...
  • Page 40 I N S TA L L E R ’ S I N S TA L L AT I O N I N S T R U C T I O N S Exploded View - Internals www.rinnaiamerica.com Model 2424...
  • Page 41 I N S TA L L E R ’ S I N S TA L L AT I O N I N S T R U C T I O N S Exploded View - Electrical Model 2424 800-621-9419...

  • Page 42: Parts List

    Sound Proofing Panel B3A1-4 Side Type Sleeve Burner Assembly CU169-256 Burner Case Back Panel CU195-920 Comb. Chamber Front Panel (Complete Assembly) CU195-310 Comb, Chamber Front Panel (Assy) BU195-315 Upper Packing - Comb. Chamber BU195-316 Lower Packing - Comb. Chamber www.rinnaiamerica.com Model 2424...
  • Page 43 BU169-552 Fan Connection BU169-555 Fan Connection Packing AU169-656 Water Inlet ( 3/4” NPT) B H73-511 Water Filter Assy H73-501-2 Rectifier M8D1-11 Water Flow Servo & Sensor M8E-4-4 120V Anti-Frost Heater BU195-1878 Hot Water Outlet (3/4”NPT) C BU132-363-C Model 2424 800-621-9419...
  • Page 44 120V Anti-Frost Heater B BU195-1879 Anti-Frost Heater Clip AU195-675 AU100-721 Anti-Frost Heater Clip Over Heat Switch BU129-824-2 Thermal Fuse Harness CU195-610-2 CP-80531 Thermal Fuse Clips Thermistor BH45-650 CP-90172 Thermistor Clip Frost Sensing Switch BU189-530 3 Amp Fuse Harness BU195-1630 www.rinnaiamerica.com Model 2424...
  • Page 45 Screw CP-80452 – Screw ZEAB0406UK – Screw ZIAA0410SZ – Screw ZAG0514UK – Washer CF83-41430 – Tie backs CP-90331 – “O” Ring (S4) M10B-13-4 “O” Ring (P24) M10B-1-24 Packing C36F8-1 “O” Ring (P4) MlOB-2-4 “O” Ring (P7) MlOB-2-7 Model 2424 800-621-9419...
  • Page 46 Rating Plate (LP) CU195-1889-2X03 Warning Label CU195-1886X01 Warning Repair Label AU195-1890 Gas Type Label (NG) CP-71201X01 Gas Type Label (LP) CP-71571X01 Gas Type Label (Bottom of Unit - NG) CP-71070 Gas Type Label (Bottom of Unit - LP) CP-71572 www.rinnaiamerica.com Model 2424...
  • Page 47 I N S TA L L E R ’ S I N S TA L L AT I O N I N S T R U C T I O N S Notes Model 2424 800-621-9419...
  • Page 48 sk about Rinnai’s other fine products: The Silent Servant *North America’s only vent-free convection heater *99% efficient *whisper quiet *perfect for hard to heat areas The Energy Savers *Direct Vent Heating with style and performance *whisper quiet *available with multi-step set back thermostats The Infra-reds *Vent free radiant heaters...

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