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Model 2424WC

How to use your New

Continuous Flow

Commercial 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
      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.

(

outdoor unit

)

Summary of Contents for CONTINUUM 2424WC

Page 1: ...apors 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 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 perfor...

Page 2: ... r u t a N n o i t a l l a t s n I y l n O r o o d t u O s n o i s n e m i D 4 3 3 2 t h g i e H 4 3 3 1 h t d i W h t p e D 4 3 6 t h g i e W s b L 4 4 g n i t a r y c n e i c i f f E 2 8 l e v e l e s i o N A B d 9 4 s n o i t c e n n o C T P N M 4 3 y l p p u s s a G T P N M 4 3 t e l n i r e t a w d l o C T P N M 4 3 t e l t u o r e t a w t o H m e t s y s n o i t i n g I n o i t i n g i c i n...

Page 3: ... n o c n i a M S U 3 5 4 C C M e l b a c l o r t n o c e t o m e R e l b a c e r o c o w t d e z i r a l o p n o N s e l b i t s u b m o c m o r f s e c n a r a e l C 2 1 r e t a e h f o p o T 4 2 r e t a e h f o t n o r F 6 r e t a e h f o s e d i S 0 r e t a e h f o k c a B 2 1 d n u o r G 6 3 s g n a h r e v o s e h c r o p s e v a e w o l e B e r u s s e r p y l p p u s s a g m u m i x a M d n...

Page 4: ... NOT cover any failures operational difficulty or malfunction due to accident abuse misuse alter ation Acts of God misapplications improper installation or improper maintenance or service lime damage or from any other cause other than defects in materials or workmanship Warranty does not cover use as a pool or spa heater PROCEDURE FOR MAKING A CLAIM In order to obtain the benefits of the warranty ...

Page 5: ...s 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 13 Maintenance Service Information 14 15 Trouble Shooting and Common Questions 16 Operating Instructions 17 18 Care Lime Condition Warning 18 C O N T E N T S ...

Page 6: ...manual This appliance must be installed in accordance with local codes or in the absence of local codes the National Fuel Gas Code ANSI Z223 1 and or the CAN CGA B149 Installation Codes Install this product outdoors DO NOT install indoors Do Not use this appliance if any part has been underwater Immedi ately call a qualified service technician to inspect the appliance and to replace any part of th...

Page 7: ... out The gas burner will re ignite once the outgoing hot water temperature falls below the selected temperature Built into the microprocessor of the Continuum 2424WC is the ability to LIMIT THE MAXIMUM TEMPERATURE of the hot water supplied by the Continuum 2424WC With out the connection of the optional remote control the Continuum 2424WC is preset to deliver 120 degree water With the optional remo...

Page 8: ...hen 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 touch the cover or insert objects into the flue outlet of the Continuum 2424WC 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 S A F E T Y I S S U E S ...

Page 9: ...se there may be a variation between the temperatures displayed at the Remote Control and the temperature of the water at the tap 142 F The Continuum 2424WCcontrols the water temperature automatically To do this it sometimes needs to change the water flow accordingly The water flow from the hot water tap may vary after the selected temperature at the Remote Con trol is altered The water flow may al...

Page 10: ...just the setpoint temperature of the Continuum 2424WC all hot water taps must be closed and all circulating pumps turned off 1 Simply press the or button until the required temperature is dis played on the Digital Monitor 140 F TEMPERATURE CANNOT BE ADJUSTED WHEN ANY HOT WATER TAP IS OPEN OR WATER IS FLOWING THROUGH THE WATER HEATER CHECK LOCAL CODES FOR THE MAXIMUM WATER TEMPERATURE SETTING ALLOW...

Page 11: ...est the temperature of the water with your elbow before placing a child in the bath or shower Do not leave a child or an infirm person in the bath unsupervised S c a l d s F i r s t A i d 1 Remove clothing Remove all wet clothing quickly Wet clothing retains the heat 2 Apply cold water for 30 minutes Immediately submerge the burnt area in cold water for 30 minutes to reduce the heat in the skin pr...

Page 12: ... is used in public use applications it should be installed where it can not be adjusted by the public i e a maintenance room or manager s office endless hot water system CAUTION Hotter water increases the risk of scald injury Before changing tempera ture setting see instruction manual R E M O T E C O N T R O L O P E R A T I O N M DIAGNOSTIC USE OF REMOTE CONTROL 1 To Display Error Codes Press Main...

Page 13: ... the water heater gas meter or cylinder Check that the gas is turned on at the water heater and gas meter Check for obstructions in flue outlet Service Call Service Call Service Call Service Call Service Call Service Call Service Call Service Call 10 11 12 14 16 31 32 52 61 71 72 LC Service Call E R R O R M E S S A G E S The Continuum 2424WC has the ability to check its own operation continuously ...

Page 14: ...e manual gas control valve to the appliance Warning Always turn off the electrical power supply the manual gas valve and the manual water control valve whenever servicing the unit The Continuum 2424WC should be checked by a Rinnai Certified Technician once a year A Rinnai Certified Technician should perform any repairs that may be necessary The following items should be checked each inspection 1 T...

Page 15: ...ressurized air to remove dust from around main burner 4 Use soft dry cloth to wipe cabinet DO NOT DAMAGE OR DISTORT ANY PARTS OF HEATER DO NOT USE WET CLOTH OR SPRAY CLEANERS ON BURNER 2 Visual check of main burner flames The burner must flame evenly over the entire sur face when operating correctly The flame must burn with a clear blue stable flame See the parts breakdown of the burner for the lo...

Page 16: ...ase the temperature supplied by the Continuum 2424WC at the remote control or increase your total flow Q White smoke comes out of the exhaust A During colder weather when the exhaust temperature is hotter than the air the exhaust fumes condense producing white steam Q When I open a hot tap I do not immediately get hot water A Hot water must travel through your plumbing from the Continuum 2424WC to...

Page 17: ...perate remote con trol keypad Do not use tools Force or attempted repair may result in a fire or ex plosion If the remote keypad doesn t work call a qualified service technician D Do not use this appliance if any part has been under water Immediately call a quali fied service technician to inspect the appli ance and to replace any part of the control system and any gas control which has been under...

Page 18: ...ctric power to the appliance if service is to be performed 3 Turn the manual valve at gas inlet of appliance clockwise to OFF Care of Unit s Exterior Keep the exterior cabinet clean Use a soft cloth and warm water when cleaning the cabinet Do Not use volatile substances such as benzene and thinners as they may ignite or cause fading of the paint Lime Condition Warning Signal If you notice LC flash...

Page 19: ...9 Electrical Connection Notes 30 Wiring Diagram 30 32 Lighting the Unit 33 Remote Controls 34 35 Testing 36 Diagnostic Points 37 Schematic Diagram 38 Exploded View 39 42 Parts List 43 47 Contents of Installer s Manual 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 c...

Page 20: ...table for use as a pool or spa heater 4 The dip switches on the computer board have been preset at the factory and should not be readjusted without the express knowledge and involvement of Rinnai 5 Install the Continuum 2424WC outdoors only 6 Maintain proper space around the unit for proper servicing and operation Minimum clearances from combustible materials are listed below Top of Heater 12 inch...

Page 21: ...Model 2424WC 800 621 9419 2 1 INSTALLER S INSTALLATION INSTRUCTIONS C O N T I N U U M O U T L E T F L O W D A T A INSTALLER S INSTALLATION INSTRUCTIONS CONTINUUM PRESSURE DROP CURVE ...

Page 22: ...rhangs 36 D Horizontally from an openable window door etc 12 INSTALLER S INSTALLATION INSTRUCTIONS Dimensions Height 23 3 4 Width 13 3 4 Depth 6 3 4 Side View Front View 23 3 4 13 3 4 6 3 4 INSTALLER S INSTALLATION INSTRUCTIONS Locating the unit 4 1 8 Hot 1 7 8 Power 3 7 16 Gas 4 1 4 Power 2 9 16 Gas Centerline of Cold Water Supply 2 1 8 Cold Water 3 5 16 Hot Water Eve porche or overhang Window A ...

Page 23: ...Model 2424WC 800 621 9419 2 3 RECOMMENDED PIPING FOR INSTALLATION ...

Page 24: ...Model 2424WC www rinnaiamerica com 2 4 INSTALLER S INSTALLATION INSTRUCTIONS OPTIONAL Power Failure Freeze Protection ...

Page 25: ...Model 2424WC 800 621 9419 2 5 INSTALLER S INSTALLATION INSTRUCTIONS INSTALLATION WITH RECIRCULATION i e Hair Salons Restaurants etc ...

Page 26: ...Model 2424WC www rinnaiamerica com 2 6 INSTALLER S INSTALLATION INSTRUCTIONS BACKUP STORAGE INSTALLATIONS i e Hotels motels and other high flow applications ...

Page 27: ... pipe size that will supply the cubic feet per hour of gas required for the input rating of the Continuum 2424WC The formula for figuring the cubic feet per hour required is Gas Input of Continuum 2424 BTU HR CFH Heating Value of Gas BTU FT3 Gas input requirement is on the water heater data plate The heating value of the gas can be obtained from the local Natural Gas Utility Capacity Table for LP ...

Page 28: ...to the gas line Always purge the gas line of any debris before connection to the water heater 5 The Continuum 2424WC must be leak tested before it is placed into operation 6 After completion of gas pipe connections all joints including the heater must be checked for gas tightness by means of leak detector solution soap and water or an equivalent nonflammable solution as applicable Caution Since so...

Page 29: ...ved pressure relief valve to all water heating systems 2 The pressure relief valve must meet the following criteria The relief valve must comply with the standard for Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems ANSI Z21 22 This relief valve must be rated at 150 PSI of pressure 3 The relief valve should be added to the hot water outlet line per manufacturer s instru...

Page 30: ...rors can cause improper and dangerous operation Verify correct operation after servicing 1 The Continuum 2424WC requires 120VAC 60 HZ Power from a properly grounded circuit GFI 2 An on off switch must be provided and installed for the incoming 120VAC power 3 Wire the Continuum 2424WC exactly as shown in the wiring diagram on the next page and on the inside of the cover panel The blue wire is the h...

Page 31: ...Model 2424WC 800 621 9419 3 1 INSTALLER S INSTALLATION INSTRUCTIONS Wiring Diagram ...

Page 32: ...Model 2424WC www rinnaiamerica com 3 2 INSTALLER S INSTALLATION INSTRUCTIONS Wiring Diagram ...

Page 33: ...gas may settle there 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 2424WC should light and begin heating your water If the Continuum 2424WCfails to light 1 DO NOT ATTEMPT TO LIGHT BY HAND 2 Turn off the electrical power to the unit 3 Turn off the manual gas control 4 Wait 5 minutes if you smell gas go to a neighbor s house...

Page 34: ...1 9419 for dip switch settings Before installing the remote control determine the most convenient location When deciding on the best location for the remote controls please consider the following items 1 Place the controllers out of the reach of small children or unauthorised users 2 Avoid locations where the controller will become hot over a stove near an oven or a radiant heater 3 Avoid direct s...

Page 35: ... the Continuum 2424WC 8 Remove the cover of the Continuum 2424WC 9 Remove the plastic cover from the PCB and electrical connections DO NOT ATTEMPT TO CONNECT THE REMOTE CON TROLS WITH THE POWER ON THERE S 120 VOLT PO TENTIAL NEXT TO THE REMOTE CONTROL CONNEC TIONS INSIDE THE UNIT All service and wiring should be performed by a certified installer 10 Thread the cable through the access hole at the ...

Page 36: ...ng manifold pressures at 1 800 621 9419 Failure to contact Rinnai could void unit s warranty 7 If it is determined that the gas pressure needs adjusting first check the in coming pressure at the test point on the gas inlet If it is correct follow the adjusting procedure contained in the pouch of the unit EXACTLY If in doubt call Rinnai 1 800 621 9419 The regulator is pre set at the factory it shou...

Page 37: ...3 C 5 4 Ω K 7 2 2 2 C 0 6 Ω K 8 0 6 0 C 5 0 1 Ω r o t s i m r e h T 7 B2 d e R d e R 1 w o l e B Ω e s u F l a m r e h T 8 B3 d e R d e R 1 w o l e B Ω h c t i w S t a e h r e v O 9 I4 y e r G y e r G V 0 1 1 0 9 C A r o t i n g I 0 1 I1 k c a l B k n i P V 0 0 1 0 8 C D K 6 1 3 1 Ω V S e v l a V d i o n e l o S 1 1 1 I2 k c a l B w o l l e Y V 0 0 1 0 8 C D K 1 2 7 1 Ω V S e v l a V d i o n e l o...

Page 38: ...Model 2424WC www rinnaiamerica com 3 8 INSTALLER S INSTALLATION INSTRUCTIONS Schematic Diagram ...

Page 39: ...Model 2424WC 800 621 9419 3 9 INSTALLER S INSTALLATION INSTRUCTIONS Exploded View Cabinet ...

Page 40: ...Model 2424WC www rinnaiamerica com 4 0 INSTALLER S INSTALLATION INSTRUCTIONS Exploded View Internals ...

Page 41: ...Model 2424WC 800 621 9419 4 1 INSTALLER S INSTALLATION INSTRUCTIONS Exploded View Internals ...

Page 42: ...Model 2424WC www rinnaiamerica com 4 2 INSTALLER S INSTALLATION INSTRUCTIONS Exploded View Electrical ...

Page 43: ... 3 4 NPT B Test Point Screw Gas Control Assembly Manifold Assembly A LPG Manifold Assembly B Nat Burner Case Front Sound Proofing Panel Side Type Sleeve Burner Assembly Burner Case Back Panel Comb Chamber Front Panel Complete Assembly Comb Chamber Front Panel Assy Upper Packing Comb Chamber Lower Packing Comb Chamber Part Number DU195 100 2 BU155 110 DU195 1615 2 BU195 121 BU195 167 AU115 163 BU16...

Page 44: ...tlet Assy Flue Outlet Flue Outlet Packing Flue Outlet Packing A Blower Motor Assy Fan Casing Assy A Fan Connection Fan Connection Packing Water Inlet 3 4 NPT B Water Filter Assy Rectifier Water Flow Servo Sensor 120V Anti Frost Heater Hot Water Outlet 3 4 NPT C Part Number AU168 325 AU168 321 AU168 322 AU195 312 AH43 262 AU102 681 DU 195 1840 AU195 330 AU195 321 AU195 322 BU169 470 BU169 471 BU169...

Page 45: ... PCB Side Cover Ignitor High Tension Cord Transformer 120V Anti Frost Heater B Anti Frost Heater Clip Anti Frost Heater Clip Over Heat Switch Thermal Fuse Harness Thermal Fuse Clips Thermistor Thermistor Clip Frost Sensing Switch 3 Amp Fuse Harness Part Number AU142 445 AU142 444 BU195 601 BU195 602 BU195 1877 BU195 604 BU195 605 CU195 1870 BBF9 630 BU168 707 BU195 507 EI 144 BH38 710 200 ET 259 B...

Page 46: ...D0408UK 806 Screw ZAD0408UK 807 Screw CP 21478 412 808 Screw ZEA0408UK 809 Screw ZAA0408UK 810 Screw ZBA0412UK 811 Screw ZAG0512UK 812 Screw ZBA0512UK 816 Screw ZEDB0408SZ 817 Screw CP 80452 819 Screw ZEAB0406UK 820 Screw ZIAA0410SZ 821 Screw ZAG0514UK 822 Washer CF83 41430 823 Tie backs CP 90331 899 O Ring S4 M10B 13 4 2 900 O Ring P24 M10B 1 24 1 901 Packing C36F8 1 2 903 O Ring P4 MlOB 2 4 1 90...

Page 47: ...1 Remote control kit MCC 45 3US 1 View Window Sticker AU195 1680 2 1 Continuum Label BU195 1882X01 1 Model Number Label AU195 1881 1 Wiring Diagram CU195 1887 1 Manifold Seal AU169 206X02 1 Rating Plate NG CU195 1889 1X03 1 Rating Plate LP CU195 1889 2X03 1 Warning Label CU195 1886X01 1 Warning Repair Label AU195 1890 1 Gas Type Label NG CP 71201X01 1 Gas Type Label LP CP 71571X01 1 Gas Type Label...

Page 48: ...r quiet available with multi step set back thermostats The Infra reds Vent free radiant heaters 99 9 efficient Heat like the sun Portable Cooking Products One two and two burner with broiler models Perfect for camping a picnic or a tailgate party The Silent Servant North America s only vent free convection heater 99 efficient whisper quiet perfect for hard to heat areas ...

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