Ruud AP15318 Use & Care Manual

Outdoor gas tankless water heater

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Outdoor  Gas
Tankless  Water  Heater
Rheem/  Ecosense
RTG-­95X  (N,P)
RTG-­84X(N,P)
RTG-­64X(N,P)
Paloma/Wai  Wela
PH2-­28ROF  (N,P)
PH2-­25ROF  (N,P)
PH2-­20ROF  (N,P)
Ruud
RUTG-­95X  (N,P)
RUTG-­84X  (N,P)
RUTG-­64X  (N,P)
Richmond
RMTG  95X  (N,P)
RMTG  84X  (N,P)
RMTG  64X  (N,P)
Rheem/Ruud
GT-­200X(N,P)
GT-­180X  (N,P)
!
  WARNING:   If   the   information   in   these   instructions   is   not   followed   exactly,  
a  fire  or  explosion  may  result,  causing  property  damage,  personal  injury  or  death.
!
  FOR  YOUR  SAFETY!
 
—     Do  not  store  or  use  gasoline  or  other  
flammable  vapors  or  liquids  or  other  
combustible  materials  in  the  vicinity  of  this  
or  any  other  appliance.  To  do  so  may  result  
in  an  explosion  or  fire.
—   WHAT  TO  DO  IF  YOU  SMELL  GAS
Do  not  try  to  light  any  appliance.
G
  Do  not  touch  any  electrical  switch;;  do  not  
G
use  any  phone  in  your  building.
  Immediately  call  your  gas  supplier  
G
from  a  neighbor's  phone.  Follow  the    
gas  supplier's  instructions.
AP15318 tankless 10 30 09.indd 1
Use  &  Care  Manual
With  Installation  Instructions  for  the  Installer
The  purpose  of  this  manual  is  twofold:  one,  to  provide  the  installer  with  
the   basic   directions   and   recommendations   for   the   proper   installation  
and   adjustment   of   the   water   heater;;   and   two,   to   the   owner–operator,  
to  explain  the  features,   operation,   safety   precautions,   maintenance   and  
ECO200X  (N,P)3  
ECO180X(N,P)3  
troubleshooting   of   the   water   heater.   This   manual   also   includes   a   parts  
ECO150X(N,P)3
list.
It  is  very  important  that  all  persons  who  are  expected  to  install,  operate  
or   adjust   this   water   heater   read   the   instructions   carefully   so   they   may  
understand   how   to   perform   these   operations.   If   you   don't   understand  
these  instructions  or  any  terms  within  it,  seek  professional  assistance.
Any   q uestions   r egarding   t he   o peration,   m aintenance,   s ervice   o r   w arranty  
of   this   water   heater   should   be   directed   to   the   seller   from   whom   it   was  
purchased.  If  additional  information  is  required,  refer  to  the  section  on  
If  You  Need  Service.
Do  not  destroy  this  manual.  Please  read  carefully  and  keep  in  a  safe  
place  for  future  reference.
!
!
Warning:  This  water  heater  is  not  suitable  
!
for  use  in  manufactured  (mobile)  homes!
 
Recognize   this   symbol   as   an   indication   of   Important   Safety  
Information!
  California   Proposition   65   Warning:   This   product   contains  
chemicals  known  to  the  State  of  California  to  cause  cancer,  birth  
defects  or  other  reproductive  harm.
  If  you  cannot  reach  your  gas  supplier,  call  
G
the  fire  department.
  Do  not  return  to  your  home  until  authorized  
G
by  the  gas  supplier  or  fire  department.
—     Improper  installation,  adjustment,  
alteration,  service  or  maintenance  can  cause  
property  damage,  personal  injury  or  death.  
Refer  to  this  manual.  Installation  and  service  
must  be  performed  by  a  qualified  installer,  
service  agency  or  the  gas  supplier.
®
31-­93816-­00
AP15318  (10/09)
11/9/2009 3:17:32 PM

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Table of Contents
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Summary of Contents for Ruud AP15318

  • Page 1  any  phone  in  your  building. service  agency  or  the  gas  supplier.   Immediately  call  your  gas  supplier   from  a  neighbor’s  phone.  Follow  the     gas  supplier’s  instructions. 31-­93816-­00 AP15318  (10/09) ® AP15318 tankless 10 30 09.indd 1 11/9/2009 3:17:32 PM...
  • Page 2: Table Of Contents

        specified  procedure  or  maintain             a  specific  condition. Adjustment.  .  .  .  .  .  .  .  .  .  .  .  .  .  31 AP15318 tankless 10 30 09.indd 2 11/9/2009 3:17:33 PM...
  • Page 3 Read and follow water heater warnings and instructions. If owners manual is missing, contact the retailer or manufacturer. AP15318 tankless 10 30 09.indd 3 11/9/2009 3:17:33 PM...
  • Page 4 *     Temperatures  85°F(29°C)  and  up  to  140°F(60°C)  can  be   achieved  with  the  Main  (UMC-­117)  remote  control.  See   page  30  &  31  for  minimum  and  maximum  temperature   adjustment. AP15318 tankless 10 30 09.indd 4 11/9/2009 3:17:33 PM...
  • Page 5  regulations  or  customs. G     It  is  recommended  that  more  than  one   method,  such  as  soapy  solution,  gas   detectors,  etc.,  be  used  to  detect  leaks     in  gas  applications. AP15318 tankless 10 30 09.indd 5 11/9/2009 3:17:33 PM...
  • Page 6: Safety  Precautions

    G     Be  sure  your  appliance  is  properly  installed   in  accordance  with  local  codes  and  the   provided  installation  instructions.   READ   A ND  FOLLOW  THIS  SAFETY  INFORMATION  CAREFULLY. SAVE  THESE  INSTRUCTIONS AP15318 tankless 10 30 09.indd 6 11/9/2009 3:17:34 PM...
  • Page 7  than  24”  (61  cm)  away   Front = 12" (30 cm) Side = 1/2" (1.3 cm) Back = 0" (with support bracket) Bottom = 12" (30 cm) from  the  water  heater. AP15318 tankless 10 30 09.indd 7 11/9/2009 3:17:35 PM...
  • Page 8 Tankless  Unit ® Remote  Control Washer  x  4  pcs. Use  &  Care  Manual Warranty Assembly  Kit Manual   A ppliance Remote  Control  Cable Pressure Relief Valve Gas  Shut-­off  Valve (some models only) AP15318 tankless 10 30 09.indd 8 11/9/2009 3:17:35 PM...
  • Page 9 A  minmum  clearance  value  determined  by  testing  in  accordance  with  section  2.20,  or;;   b)   A  reference  to  the  following  footnote:    "Clearance  in  accordance  with  local  installtion  codes  and  the  require-­     ments  of  the  gas  supplier." AP15318 tankless 10 30 09.indd 9 11/9/2009 3:17:35 PM...
  • Page 10  objects.  Some  discoloration  on  the  exterior  of   the  building  is  to  be  expected.  However,  improper  location   or  installation  can  result  in  severe  damage  to  the  structure   or  exterior  finish  of  the  building. AP15318 tankless 10 30 09.indd 10 11/9/2009 3:17:36 PM...
  • Page 11  water  pressure  should  be  taken  into   water  connections  can  be   consideration.  Gravity  water  pressure  is   G     To  maintain  proper  performance,  ensure   made. not  recommended. sufficient  water  supply  pressure.  The   AP15318 tankless 10 30 09.indd 11 11/9/2009 3:17:36 PM...
  • Page 12: Water  Connections

    Up to 1.0 Up to 0.3 Up to 0.05 Up to 1.0 6.5 to 8.5 Up to 500 mg/L Up to 15mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L suitable  for  potable  water. AP15318 tankless 10 30 09.indd 12 11/9/2009 3:17:37 PM...
  • Page 13 G     Hot  and  cold  water  lines  should  be   service  to  the  water  system  is  required. insulated  up  to  the  water  heater.  Refer     to  page  19  for  details. AP15318 tankless 10 30 09.indd 13 11/9/2009 3:17:37 PM...
  • Page 14: Gas  Supply

     the  proper  adjustment.  Please   contact  your  installer,  local  gas  supplier,   place  of  purchase  or  the  Customer  Service   phone  number  as  listed  in  this  Use  &  Care   Manual  for  more  information.   AP15318 tankless 10 30 09.indd 14 11/9/2009 3:17:37 PM...
  • Page 15  separately  to  achieve  temperatures  up  to     185°  F  (85°  C). USC2-­117 BATH  2 Qualified  Technician 85°F  (29°C)   A djustment MIC-­6,  MIC-­180   Manifold or  MIC-­185 Optional  (Sold   Manifold System Separately) System AP15318 tankless 10 30 09.indd 15 11/9/2009 3:17:37 PM...
  • Page 16: Remote Control

     and  water  heater. Gas  Inlet   Valve Projections Remote Remote Control Wall Control Cable Penetration Remote   Control   Cable Suitable Wall Anchors Control Base Plate Screw Screws Remote  Control  Connection  Terminals AP15318 tankless 10 30 09.indd 16 11/9/2009 3:17:38 PM...
  • Page 17: Electrical  Connection

    FOR INDOOR,DIRECT-VENT <<MAIN>> <<BATH>> <<BATH>> WATER FLOW SENSOR MODEL ONLY OVER HEAT LIMITER (UMC-117) (USC1-117) (USC2-117) CAPTEUR DE DÉBIT LIMITEUR DE SURCHAUFFE POUR MODÈLE INTÉRIEUR À 31-93618 0 D'EAU ÉVENT DIRECT SEULEMENT AP15318 tankless 10 30 09.indd 17 11/9/2009 3:17:39 PM...
  • Page 18: Typical  Installation

    NOTICE:  The  National  Fuel  Gas  Code  (NFGC)  and  B149  mandates  a  manual  gas  shut-­off  valve:  See   NFGC/B149  for  complete  instructions.  Local  codes  or  plumbing  authority  requirements  may  vary  from   the  instructions  or  diagrams  provided  and  take  precedent  over  these  instructions. AP15318 tankless 10 30 09.indd 18 11/9/2009 3:17:40 PM...
  • Page 19: Pipe Insulation

     the  guidelines  found  in  the  Use  &   Don’t  use  pipe  dope  on  water  line   Care  Manual  and  National  Fuel  Gas  Code     connections  and  fittings. (CSA  B149  in  Canada). AP15318 tankless 10 30 09.indd 19 11/9/2009 3:17:40 PM...
  • Page 20: Installation  Checklist

    Supply  cord  and/or  wiring  meets  all  local  codes. Water  filter  is  clean  and  in  place. Materials  used  are  as  instructed  in  this  manual. Water  pipes  are  insulated  and  protected  from   freezing. AP15318 tankless 10 30 09.indd 20 11/9/2009 3:17:40 PM...
  • Page 21: For Your Safety Read Before Operating

    1.Turn off all electric power to the appliance if service is to be performed. 2.Turn the Gas Shutoff Valve located on the outside of the unit clockwise to the "OFF" position. AP15318 tankless 10 30 09.indd 21 11/9/2009 3:17:40 PM...
  • Page 22: Water  Temperature

    Less  than  5  seconds   145°F  (63°C)   Less  than  3  seconds   150°F  (66°C)   About  1  seconds   155°F  (68°C)   About  1  second Table  courtesy  of  Shriners  Burn  Institute AP15318 tankless 10 30 09.indd 22 11/9/2009 3:17:41 PM...
  • Page 23 *     Temperatures  85°F(29°C)  and  up  to  140°F  (60°C)  can  be  achieved  with  the   Main  (UMC-­117)  remote  control.  See  page  30  and  31  for  minimum  and   maximum  temperature  adjustment. AP15318 tankless 10 30 09.indd 23 11/9/2009 3:17:41 PM...
  • Page 24: Care  And  Cleaning

    The   A ir  Intake  and  Water  filters  should  be   G     Turn  the  electrical  power  supply  and   cleaned  on  a  monthly  basis. cold  water  supply  ON  to  the  water   heater. AP15318 tankless 10 30 09.indd 24 11/9/2009 3:17:41 PM...
  • Page 25: Burner  Inspection

     the  appliance  should  be  turned  off. checked  by  qualified  service  personnel.     The  water  heater  and  piping  should  be   drained  if  they  might  be  subjected  to  freezing   temperatures. AP15318 tankless 10 30 09.indd 25 11/9/2009 3:17:43 PM...
  • Page 26: Freeze  Protection

    This  device  only  protects  the  internal   components  of  the  water  heater.  It  does  NOT   protect  piping  and  valves.  Therefore,  piping   and  valves  should  be  wrapped  with  insulation   material  as  instructed  on  page  19. AP15318 tankless 10 30 09.indd 26 11/9/2009 3:17:45 PM...
  • Page 27: Troubleshooting  Tips

     dangerous  operation.  VERIFY  PROPER  OPERATION   A FTER  SERVICING. CAUTION:  For  your  safety,  DO  NOT  attempt  repair  of  electrical  wiring,  gas  piping,  remote  control,  burners,   vent  connectors  or  other  safety  devices.  Refer  repairs  to  qualified  service  personnel. AP15318 tankless 10 30 09.indd 27 11/9/2009 3:17:45 PM...
  • Page 28  operation.    VERIFY  PROPER  OPERATION   A FTER  SERVICING. CAUTION:  For  your  safety,  DO  NOT  attempt  repair  of  gas  piping,  remote  control,  burners,  vent  connectors  or  other   safety  devices.  Refer  repairs  to  qualified  service  personnel. AP15318 tankless 10 30 09.indd 28 11/9/2009 3:17:45 PM...
  • Page 29 Burner Assy. Heat   Exchanger Assy. Flame  Rod Electrode Ignitor Blower Motor Circuit Gas  Valve Board Assy. Hot  Water Outlet Gas  Supply Cold  Water Drain  Valve Water  Flow   Supply Solenoid AP15318 tankless 10 30 09.indd 29 11/9/2009 3:17:48 PM...
  • Page 30: Maximum  Temperature

         38      39      40      41      42      43      44      46      47      48      49 52*      54*      60*       AP15318 tankless 10 30 09.indd 30 11/9/2009 3:17:48 PM...
  • Page 31: High   A Ltitude

    As set from factory Dip switch adjustment Dip switch adjustment 3,280 feet (1,000m) 6,560 feet (2,000m) thru thru Location  of  DIP  Switches  on  PC  Board. 6,560 feet (2,000m) 9,840 feet (3,000m) AP15318 tankless 10 30 09.indd 31 11/9/2009 3:17:48 PM...
  • Page 32   Date  of  original  installation  and  dates  any  service  work  was  performed. e.   Details  of  the  problem  as  you  can  best  describe  them. f.   List  of  people,  with  dates,  who  have  been  contacted  regarding  your  problem. AP15318 tankless 10 30 09.indd 32 11/9/2009 3:17:48 PM...

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