Rinnai 2424WC manual

Model 2 42 4WC How to use your New Continuous Flow Commercial Water Heater W ARNING: 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. [...]

Model 24 24 WC www.rinnaiamerica.com 2 e c n a i l p p a f o e p y T m e t s y s r e t a w t o h s a g w o l f s u o u n i t n o c d e l l o r t n o c e r u t a r e p m e T n o i t a r e p Os l o r t n o c e t o m e r t u o h t i w r o h t i W m e t s y s t s u a h x En o i t s u b m o c d e c r o F - t n e V t c e r i D r e b m u n l e d o m i a n[...]

Model 2 424 WC 800-621-94 19 3 SPECIFICA TIONS s e c i v e d y t e f a S . z H 0 6 - s t l o V 0 2 1 C A - e c n a i l p p A ) l a t i g i D ( s t l o V 2 1 C D l o r t n o c e t o m e R d o r e m a l F - e r u l i a f e m a l F F ° 3 0 2 - n o i t c e t o r p g n i l i o B h c t i w s l a t e m - i b F ° 4 9 1 ) S H O ( e m a l f g n i n i a m e[...]

Model 24 24 WC www.rinnaiamerica.com 4 Rinnai warrants the continuous Commercial W ater Heater Model 2424WC, including any parts and components thereof, to be free from any defects in materials and workmanship for the period specified below , subject to the terms specified in this warranty . This warranty gives you specific legal rights and you may[...]

Model 2 424 WC 800-621-94 19 5 S pecifications .............................................................. 2, 3 W arranty ... . .................................................................... 4 Owner's Installation Information ................................... 6 Features of your new Continuum ................................ 7 Safety[...]

Model 24 24 WC www.rinnaiamerica.com 6 This product must be installed by a Rinnai certified installer . Failure to have the product installed by a Rinnai certified installer may result in a voiding of the product’s warranty . Detailed instructions on the proper installation practices to follow for the installation of your new continuous hot water[...]

Model 2 424 WC 800-621-94 19 7 ) The Continuum 2424WC is one of the most advanced water heaters available. It supplies hot water continuously at the temperature preset in the unit or at the temperature set on the optional remote control. The remote control is recommended for optimum perfor- mance. ) The Continuum 2424WC never runs out of hot water [...]

Model 24 24 WC www.rinnaiamerica.com 8 Always check water temperature by hand before entering a shower or bath. The temperature may have been changed. The water temperature can not be adjusted when a hot water tap is open or when hot water is flowing through the water heater . Do not clean Remote Control with solvents. Use a soft damp cloth. Do not[...]

Model 2 424 WC 800-621-94 19 9 Keep flammable materials, trees, shrubs etc. away from the Continuum 2424WC. Do not spray water directly into the flue terminal. If the external Continuum 2424WC is disconnected from the power supply and freezing conditions are expected, turn off water and gas, and drain all water from the appliance. W ater Off Gas Of[...]

Model 24 24 WC www.rinnaiamerica.com 10 T o operate the Continuum 2424WC simply turn any hot water tap on, or initiate water flow through the unit with a circulating pump. This will automatically light the burner providing hot water at the preset temperature. If the optional remote control has been installed, the green IN USE indicator will glow on[...]

Model 2 424 WC 800-621-94 19 11 ABOUT HOT W A TER Hot W ater Is Dangerous, especially for the young and the elderly or the infirm. The Continuum 2424WC allows you to precisely control the temperature of your hot water , ensuring safe hot water temperatures. W ater T emperatures over 125°F can cause severe burns instantly or death from scalds. Hot [...]

Model 24 24 WC www.rinnaiamerica.com 12 In Use Indicator Indicates that a hot water tap is open. (The setpoint temperature cannot be ad- justed when indicator is il- luminated.) Digit al Monitor Indicates the selected water temperature. Error messages flash in the event of a failure. Maintenance Button Pressing repeatedly shows sequence of error co[...]

Model 2 424 WC 800-621-94 19 13 Code Displayed Fault Remedy Air Supply or Exhaust Blockage No Ignition Flame Failure Earthing Failure Remaining Flame Safety Device Over T emperature W arning Heat Exchanger Incoming W ater T emperature Sensor Faulty Outgoing W ater T emperature Sensor Faulty Mod. Solenoid V alve Answer Abnormal Combustion Fan Failur[...]

Model 24 24 WC www.rinnaiamerica.com 14 In the case of any fault or error message from the Continuum 2424 WC , first turn all hot water tap s off. W ait for 5 seconds. T urn 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 sy[...]

Model 2 424 WC 800-621-94 19 15 MAINTENANCE SUGGESTIONS This water heater has been designed and constructed for a long performance life when installed and operated properly under normal conditions. Regular inspections, as outlined in this section, are strongly recommended as a means of keeping your heater operating efficiently . 1. Cleaning The wat[...]

Model 24 24 WC www.rinnaiamerica.com 16 TROUBLE SHOOTING AND COMMON QUESTIONS Q - I don't have any hot water when I open the tap! A - Make sure there is gas and electricity to the Continuum 2424WC. (the power is turned on and the gas is turned on) Q - When I was using the hot water , the water got cold! A - If you adjusted the flow from the t [...]

Model 2 424 WC 800-621-94 19 17 W arning: If you do not follow these instructions exactly , a fire or explosion may result causing property damage, personal injury or loss of life. A . This appliance is equipped with a direct igni- tion device which automatically lights the burner . Do not try to light the burner by hand. B. BEFORE OPERA TING: Smel[...]

Model 24 24 WC www.rinnaiamerica.com 18 FOR YOUR SAFETY READ BEFORE OPERA TING CARE & LIME CONDITION W ARNING 7) T urn the manual valve located at the gas inlet of appliance counterclockwise to “ON”. 8) T urn on all electric power to the appliance. 9) Set thermostat to desired setting. 10) If the appliance will not operate, Follow the instr[...]

Installer’s Instructions www .rinnaiamerica.com 800-621-9419 W arnings....................................................20 Performance Dat a..........................................21 Locating the Unit.........................................22 Dimensions.................................................22 Recommended Piping for Installation...[...]

Model 24 24 WC www.rinnaiamerica.com 20 This manual must be followed exactly . 1) Read the safety issues completely before installing the Continuum 2424WC. 2) This water heater is suitable for water (potable) heating or sp ace heating. - The piping connected to the Continuum 2424WC must be approved for use in potable water systems. - T oxic chemica[...]

Model 2 424 WC 800-621-94 19 21 INST ALLER’S INST ALLA TION INSTRUCTIONS CONTINUUM OUTLET FLOW DA T A INST ALLER’S INST ALLA TION INSTRUCTIONS CONTINUUM PRESSURE DROP CUR VE[...]

Model 24 24 WC www.rinnaiamerica.com 22 Continuum 2424WC Door V ent termination clearances Minimum A.......V ertically below an openable window ........................................................12” B.......V ertically above an openable window , door , etc.........................................12” C.......Below eves, porches, overhangs..[...]

Model 2 424 WC 800-621-94 19 23 RECOMMENDED PIPING FOR INST ALLA TION[...]

Model 24 24 WC www.rinnaiamerica.com 24 INST ALLER’S INST ALLA TION INSTRUCTIONS OPTIONAL:Power Failure Freeze Protection[...]

Model 2 424 WC 800-621-94 19 25 INST ALLER’S INST ALLA TION INSTRUCTIONS INST ALLA TION WITH RECIRCULA TION (i.e. Hair Salons, Rest aurants, etc.)[...]

Model 24 24 WC www.rinnaiamerica.com 26 INST ALLER’S INST ALLA TION INSTRUCTIONS BACKUP ST ORAGE INST ALLA TIONS (i.e. Hotels, motels and other high flow applications)[...]

Model 2 424 WC 800-621-94 19 27 Gas Pipe Sizing Chart INST ALLER’S INST ALLA TION INSTRUCTIONS Capacity T able for Natural Gas cubic feet / hour (table assumes .3 inch pressure drop, specific gravity of .60) Nominal Length of Pipe in Feet Iron Pipe Size Inches 10 20 30 40 50 60 70 80 90 100 125 150 175 200 3/4 278 190 152 130 1 15 105 96 90 84 79[...]

Model 24 24 WC www.rinnaiamerica.com 28 INST ALLER’S INST ALLA TION INSTRUCTIONS Gas Piping Notes 1) A manual gas control valve must be placed upon the gas inlet connection to the Continuum 2424WC 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. 2[...]

Model 2 424 WC 800-621-94 19 29 INST ALLER’S INST ALLA TION INSTRUCTIONS W ater Piping Notes 1) A manual water control valve must be placed upon the water inlet connection to the Continuum 2424WC 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 u[...]

Model 24 24 WC www.rinnaiamerica.com 30 W ARNING: The Continuum 2424WC must be electrically grounded in accor- dance with local codes or in the absence of local codes with the most re- cent edition of the National Electrical Code, ANSI/NFP A 70. In Canada, all electrical wiring to the Continuum 2424WC should be in accordance with local codes and th[...]

Model 2 424 WC 800-621-94 19 31 INST ALLER’S INST ALLA TION INSTRUCTIONS Wiring Diagram[...]

Model 24 24 WC www.rinnaiamerica.com 32 INST ALLER’S INST ALLA TION INSTRUCTIONS Wiring Diagram[...]

Model 2 424 WC 800-621-94 19 33 INST ALLER’S INST ALLA TION INSTRUCTIONS Lighting the Unit W ARNING: If you do not follow these instructions exactly , a fire or explosion may result causing property damage, personal injury or loss of life. 1) This water heater does not have a pilot. It is equipped with a direct ignition device which automatically[...]

Model 24 24 WC www.rinnaiamerica.com 34 INST ALLER’S INST ALLA TION INSTRUCTIONS Remote Controls- General The remote control for the Continuum 2424WC allows the customer to control the functions of the water heater and to diagnose certain fault conditions. The Main Controller model MCC-45-3US is intended to be installed in the kitchen or laundry [...]

Model 2 424 WC 800-621-94 19 35 INST ALLER’S INST ALLA TION INSTRUCTIONS Remote Controls - Installation TERMINAL CLAMP 1) Determine a suitable location for the control. 2) Make three holes on the wall as shown. 3) Run the cable between the control and the Continuum 2424WC or the control and the other control. 4) Remove the face plate from the rem[...]

Model 24 24 WC www.rinnaiamerica.com 36 1) T urn on the gas and water . 2) Check for water and gas leaks. Use soapy water to test for gas leaks. 3) Remove pressure test point screw , attach pressure gauge to test point. 4) T urn Power on. 5) Open any hot water t ap fully . 6) Check test point or supply pressure in water columns per inch. Manifold P[...]

Model 2 424 WC 800-621-94 19 37 INST ALLER’S INST ALLA TION INSTRUCTIONS Diagnostic Points w o l F t r a h C N 0 t n i o P t n e m e r u s a e M e u l a V l a m r o Nt n e n o p m o C N n o C 0 r o l o C e r i W 1J 4 e u l B - n w o r BV 2 3 1 - 8 0 1 C Ar o t c e t o r P e g r u S 2H 1 k c a l B - k c a l BV 3 1 - 1 1 C Dl o r t n o C e t o m e [...]

Model 24 24 WC www.rinnaiamerica.com 38 INST ALLER’S INST ALLA TION INSTRUCTIONS Schematic Diagram[...]

Model 2 424 WC 800-621-94 19 39 INST ALLER’S INST ALLA TION INSTRUCTIONS Exploded V iew - Cabinet[...]

Model 24 24 WC www.rinnaiamerica.com 40 INST ALLER’S INST ALLA TION INSTRUCTIONS Exploded View - Internals[...]

Model 2 424 WC 800-621-94 19 41 INST ALLER’S INST ALLA TION INSTRUCTIONS Exploded View - Internals[...]

Model 24 24 WC www.rinnaiamerica.com 42 INST ALLER’S INST ALLA TION INSTRUCTIONS Exploded View - Electrical[...]

Model 2 424 WC 800-621-94 19 43 INST ALLER’S INST ALLA TION INSTRUCTIONS Parts List 001 004 007 012 016 017 018 019 022 023 100 101 103 104 104 106 107 11 0 111 11 2 11 3 11 4 11 5 Number Description Casing Assembly Heat Protection Plate Front Panel Assembly W all Installation Bracket Front Panel Packing Front Panel Packing - Side Connection Rein[...]

Model 24 24 WC www.rinnaiamerica.com 44 INST ALLER’S INST ALLA TION INSTRUCTIONS Parts List Number 11 6 11 7 11 8 11 9 120 121 125 127 128 129 130 131 132 133 150 151 153 154 400 401 402 403 405 408 Description Ignition target Electrode Flame Rod Electrode Packing Electrode Holder Electrode Sleeve Heat Exchanger Complete Assy PCB Bracket S top Br[...]

Model 2 424 WC 800-621-94 19 45 INST ALLER’S INST ALLA TION INSTRUCTIONS Parts List Number 409 410 415 416 417 418 420 700 701 705 706 708 709 710 71 1 712 713 715 716 717 718 719 720 723 Description Plug Band B Drain Modulating Solenoid V alve Harness Fan Motor Harness Sensor Harness W ater Flow Servo Harness Flame Rod Harness PCB Surge Protecto[...]

Model 24 24 WC www.rinnaiamerica.com 46 INST ALLER’S INST ALLA TION INSTRUCTIONS Parts List Number Description Part Number Quantity 801 Screw ZBA041OUK – 802 Screw ZBA051OUK – 803 Screw ZEAB0408SZ – 804 Screw ZBA0408UK – 805 Screw ZBD0408UK – 806 Screw ZAD0408UK – 807 Screw CP-21478-412 – 808 Screw ZEA0408UK – 809 Screw ZAA0408UK [...]

Model 2 424 WC 800-621-94 19 47 INST ALLER’S INST ALLA TION INSTRUCTIONS Parts List Number Description Part Number Quantity 905 “O” Ring (P16) M10B-2-16 1 906 “O” Ring (P12.5) M10B-2-12.5 1 907 “O” Ring (P14) M10B-2-14 1 908 “O” Ring (P18) M10B-2-18 1 Manual 3/4" gas control value BU195-1865 1 Remote control kit MCC-45-3US 1 [...]

www .rinnaiamerica.com 800-621-9419 Printed in Japan 2001.3 A sk about Rinnai’ s other fine products: The Energy Savers *Direct V ent Heating with style and performance *whisper quiet *available with multi-step set back thermostats The Infra-reds *V ent free radiant heaters *99.9% ef ficient *Heat like the sun Port able Cooking Product s *One, tw[...]