Ruud AP15318 Use & Care Manual Download Page 2

Safety  Information

Safety  Precautions  . . . . . . .   3–6

LP  Gas  Models   . . . . . . . . . . .   5

Installation  Instructions

Location,  Outdoor  . . . . . . .7-­10

Water  Connections   . . . .   11-­13

Gas  Supply  . . . . . . . . . . . . . .   14

High  Altitude  . . . . . . . . . . . . .14

Remote  Control  . . . . . . . . 15,16

Electrical  Connection  . . . . . .17

Typical  Installation   . . . . . . . .18

Pipe  Insulation  . . . . . . . . . . . .19

Installation  Checklist  . . . . . . .20

Operating  Instructions

Lighting  Instructions  . . . . . .   21

Water  Temperature   . . . . 22,  23

Care  and  Cleaning

Maintenance  . . . . . . . . . . . . .   24

Housekeeping   . . . . . . . .  24,  25

Burner  Inspection   . . . . . . . .   25

Extended  Shut-­Down  . . . . . .25

Draining  . . . . . . . . . . . . . . . .   26

Freeze  Protection  . . . . . . . . . .26

Troubleshooting  Tips

Before  You  Call  
For  Service  . . . . . . . . . . .  27,  28

Customer  Service

Parts  List  . . . . . . . . . . . . . . . .   29

If  You  Need  Service   . . . . . . .32

FOR  YOUR  RECORDS

Write  the  model  and  serial  numbers  here:

#
#

You  can  find  them  on  a  label  on  the  appliance.

Staple  sales  slip  or  cancelled  check  here.  

Proof  of  the  original  purchase  date  is  needed  to  obtain  service  
under  the  warranty.

2

Inside  you  will  find  many  helpful  hints  on  how  to  use  and  
maintain  your  water  heater  properly.  A  little  preventive  care  
on  your  part  can  save  you  time  and  money  over  the  life  of  your  
water  heater.

You’ll  find  many  answers  to  common  problems  in  
the  Troubleshooting  Guide.  If  you  review  the  chart  of  
Troubleshooting  Tips  first,  you  may  not  need  to  call  for  service.

READ  THIS  MANUAL

Your  safety  and  the  safety  of  others  are  very  important.    There  
are  many  important  safety  messages  in  this  manual  and  on  your  
appliance.  Always  read  and  obey  all  safety  messages.

!

This  is  the  safety  alert  symbol.  Recognize  this  symbol  
as  an  indication  of  Important  Safety  Information!
This  symbol  alerts  you  to  potential  hazards  that  can  
kill  or  hurt  you  and  others.

All  safety  messages  will  follow  the  safety  alert  symbol  and  
either  the  word  “DANGER”,  “WARNING”,  “CAUTION”    
or  “NOTICE”.
These  words  mean:

!

DANGER  

  

An  imminently  hazardous  situation  

that  will  result  in  death  or  serious  

injury.

!

WARNING       

A  potentially  hazardous  situation  that    

could  result  in  death  or  serious  injury      

  and/or  d  amage  to  property.

!

CAUTION  

A  potentially  hazardous  situation  that    

  

  

  

may  result  in  minor  or  moderate      

  

  

  

injury.

Notice:  

  

Attention  is  called  to  observe  a       

  

  

  

specified  procedure  or  maintain       

  

  

  

a  specific  condition.

READ  THE  SAFETY  INFORMATION

Qualified  Installers  Only!

Maximum  Temperature  
Adjustment.  .  .  .  .  .  .  .  .  .  .  .      .30  

Minumum  Temperature  
Adjustment  .  .  .  .  .  .  .  .  .  .  .  .  .  31  

High  Altitude

Adjustment.  .  .  .  .  .  .  .  .  .  .  .  .  .  31

AP15318 tankless 10 30 09.indd   2

11/9/2009   3:17:33 PM

Summary of Contents for AP15318

Page 1: ...ce and troubleshooting of the water heater This manual also includes a parts list It is very important that all persons who are expected to install operate or adjust this water heater read the instruc...

Page 2: ...swers to common problems in the Troubleshooting Guide If you review the chart of Troubleshooting Tips first you may not need to call for service READ THIS MANUAL Your safety and the safety of others a...

Page 3: ...solvents paint thinners etc and the vapors they produce are extremely dangerous DO NOT handle use or store gasoline or other flammable or combustible materials anywhere near or in the vicinity of a wa...

Page 4: ...117 or USC2 117 remote control Only qualified service personnel should perform this adjustment Only factory authorized remote control s should be used Notice When this water heater is supplying genera...

Page 5: ...th great caution It is heavier than air and will collect first in lower areas making it hard to detect at nose level Before attempting to light the water heater make sure to look and smell for gas lea...

Page 6: ...pacity greater than 52 gallons or tankless style consult the local building jurisdiction code for acceptable bracing procedures Have the installer show you the location of the gas shut off valve and h...

Page 7: ...burns death or property damage The water heater must be located so it is not subject to physical damage for example by moving vehicles area flooding etc The water heater should be installed verticall...

Page 8: ...tion 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 Use Car...

Page 9: ...anticipated snow level B Clearance to window or door that may be opened 6 inches 15 cm for appliances 10 000 Btuh 3 kW 12 inches 30 cm for appliances 10 000 Btuh 3kW and 100 000 Btuh 30kW 36 inches 9...

Page 10: ...le and pets Install outdoor water heater such that air inlet and flue outlet is above anticipated snow level 1 8 m If soffit vent is too close block off and install new vent at another location Inside...

Page 11: ...pressure of 40 psi 276 kPa is required to achieve maximum flow rate To maintain proper performance ensure sufficient water supply pressure The Required Water Pressure Min Operating Water Pressure 14...

Page 12: ...heater and the water shutoff valve see the top left diagram The following should be addressed in regards to the HOT WATER OUTLET Connections between the water heater and point s of use should be as s...

Page 13: ...line The end of the discharge line should not be threaded or concealed and should be protected from freezing No valve of any type restriction or reducer coupling should be installed in the discharge...

Page 14: ...ode In Canada the latest edition of CSA B149 1 Natural Gas and Propane installation code Manual Gas Supply Line Shutoff Manual Gas Appliance Shutoff Union Sediment Trap Cap Valve Supplied Leak Testing...

Page 15: ...comply with local codes or in the absence of local codes with the latest edition of the National Electrical Code ANSI NFPA 70 or in Canada Canadian Electrical Code CSA C22 1 Part 1 F PRIORITY POWER O...

Page 16: ...projections in the base plate fit into the housings in the remote control Fix the control to the base plate at the bottom of the remote control using the screw provided Proceed to Connecting the remo...

Page 17: ...IRECTSEULEMENT SW3 SW2 SW1 U 2 1 S 1 3 2 W W 12 3 4 I J H F W W 2 3 4 1 B R Y O W BR BK 1 2 3 4 5 6 7 8 R Y O W BR BK 1 2 3 4 5 6 7 8 C 9 R BR BK BK W BK W 1 2 3 4 Y W BK 1 2 3 K SV0 SV1 SV2 SV3 W BK...

Page 18: ...tdoor Models Discharge Line To Suitable Drain To Hot Water Faucet s Relief Valve Union Drain Valve 6 15 cm Air Gap Manual Gas Appliance Shut off supplied Flue Terminal Trap Manual Gas Supply Line Shut...

Page 19: ...storage tank heaters This water heater does not store water making an insulation blanket unnecessary The manufacturer s warranty does not cover any damage or defect caused by installation attachment o...

Page 20: ...tight and free of leaks Water filter is clean and in place Materials used are as instructed in this manual Water pipes are insulated and protected from freezing C Gas Supply Gas type matches rating p...

Page 21: ...tric power to the appliance 3 Do not attempt to light the burner by hand 4 Turn the Gas Shutoff Valve located on the outside of the unit clockwise to the OFF position 5 Wait five 5 minutes to clear ou...

Page 22: ...ere is any difficulty in understanding or following the Operating Instructions or the Care and Cleaning section it is recommended that a qualified person or serviceman perform the work Operating the w...

Page 23: ...t water faucet is in the open position Notice The factory setting allows operating temperatures between 100 F 38 C and 120 F 49 C Temperatures of 85 F 29 C and up to140 F 60 C can be achieved with the...

Page 24: ...odically this may be due to a problem in the water system Contact the water supplier or your plumbing contractor on how to correct this DO NOT plug the relief valve outlet Rapid closing of faucets or...

Page 25: ...a brush Use only mild soapy water other cleaners may damage the surface of the water heater DO NOT remove any label including the rating plate while cleaning or servicing DO NOT splash water on the r...

Page 26: ...ng conditions even for a short period of time be sure to drain all water from the unit as instructed above Exposure to freezing conditions can occur from down draft of venting system or from installat...

Page 27: ...icable Check and replace if necessary Error code displayed on remote control See instructions for Error Code and if required contact a dealer for service Not enough water demand Increase water flow Wa...

Page 28: ...grounded Low inlet gas pressure due to improper sizing Wrong gas type Open the Gas shutoff valve fully Contact gas utility company Fill up LP Gas container or replace with a new cylinder of LP Gas Bl...

Page 29: ...f parts desired CAUTION For your safety DO NOT attempt repair of electrical wiring gas piping burners vent connectors or other safety devices Refer repairs to qualified service personnel WARNING For y...

Page 30: ...f the remote control will begin to blink While the number is blinking push the UP arrow temperature adjustment button and the Down arrow temperature adjustment button at the same time The display of t...

Page 31: ...f the water heater is installed less than 3 280 feet 1 000m no action is required How to adjust the DIP switch on the PCB for high altitude installation Check the altitude above sea level where the wa...

Page 32: ...onal Service Department at the following address 1241 Carwood Court Montgomery AL 36117 Phone 1 800 432 8373 When contacting the manufacturer the following information will be requested a Model and se...

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