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Both LP and natural gas have an odorant added to aid in detecting a gas leak. Some 
people may not physically be able to smell or recognize this odorant. If you are unsure or 
unfamiliar with the smell of LP or natural gas, ask the gas supplier. Other conditions, such as 
“odorant fade”, which causes the odorant to diminish in intensity, can also hide or camouflage 
a gas leak.

DANGER!

NATURAL GAS AND LIQUEFIED PETROLEUM MODELS

  Water heaters utilizing LP gas are different 

from natural gas models. A natural gas 
water heater will not function safely on LP 
gas and vice versa. 

  No attempt should ever be made to 

convert the water heater from natural gas 
to LP gas. To avoid possible equipment 
damage, personal injury or fire, do not 
connect the water heater to a fuel type not 
in accordance with the unit data plate; 
propane for propane units and natural gas 
for natural gas units. These units are not 
certified for any other fuel type.

  LP appliances should not be installed below 

grade (for example, in a basement) if such 
installation is prohibited by federal, state 
and/or local laws, rules, regulations or 
customs.

  Propane or LP gas must be used with 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 leaks. 
Use a soapy solution to check all gas fittings 
and connections. Bubbling at a connection 
indicates a leak that must be corrected. 
When smelling to detect a gas leak, be sure 
to sniff near the floor also.

  Gas detectors are recommended in LP 

and natural gas applications and their 
installation should be in accordance 
with the detector manufacturer’s 
recommendations and/or local laws, 
rules, regulations or customs.

  It is recommended that more than one 

method, such as soapy solution, gas 
detectors, etc., be used to detect leaks 
in gas applications.

Notice: If a gas leak is present or suspected:

  Do not attempt to find the cause yourself.

  Do not try to light any appliance.

  Do not touch any electrical switch.

  Do not use any phone in your building.

  Leave the building immediately and make 

sure your family and pets leave also.

  Leave the doors open for ventilation and 

contact the gas supplier, a qualified service 
agency or the fire department.

  Stay away from the building until the 

service call has been made, the leak is 
corrected and a qualified agency has 
determined the area to be safe.

Summary of Contents for PH2-20R DVSN

Page 1: ...wo to the owner operator to explain the features operation safety precautions maintenance and troubleshooting of the water heater This manual also includes a parts list It is very important that all p...

Page 2: ...y 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...

Page 3: ...terials and liquids which include but are not limited to adhesives solvents paint thinners etc and the vapors they produce are extremely dangerous DO NOT handle use or store gasoline or other flammabl...

Page 4: ...achieved with the Bath USC 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...

Page 5: ...e or LP gas must be used with 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...

Page 6: ...ntial water heaters of a capacity 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 t...

Page 7: ...be installed as close as practical to the vent termination to minimize vent length and the number of elbows required for venting The water heater should be installed with the proper venting materials...

Page 8: ...horized 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 a...

Page 9: ...liance vent adapter and properly vent the water heater to the outdoors as outlined in the Venting section of this manual will result in unsafe operation of the water heater causing death serious injur...

Page 10: ...n hose to the drain fitting and plumb the hose to a sanitary sewer drain See Examples A and B on pages 13 and 14 for DOWNWARD and UPWARD slope for horizontally vented water heaters When a water heater...

Page 11: ...or other appliance 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 91 cm for appliances 100 000 Btuh 30kW 6 inches 15 cm...

Page 12: ...ainst accidental contact with people and pets Indoor Water Heater 12 WARNING Moisture in the flue gas will condense as it leaves the vent terminal In cold weather this condensate can freeze on the ext...

Page 13: ...nd center mark this location If the heater is below the vent exit remove it from the wall and place it in a safe area while the vent opening is made Create a 6 diameter hole to allow the vent to pass...

Page 14: ...rance to Combustibles Firestop Firestop Support Plate Adjustable Roof Flashing Concentric Vent Pipe has 0 Clearance Requirment Storm Collar Support Clamp 1 4 per foot upward slope on horizontal run Ve...

Page 15: ...should be followed Operation of the water heater requires the minimum water pressure of 14 psi 97 kPa and a minimum water flow rate of 0 66 gpm 2 5 lpm A water pressure of 40 psi 276 kPa is required t...

Page 16: ...heck Valve between the water heater and the water shutoff valve if either a thermal expansion tank or a backflow prevention device is not installed The following should be addressed in regards to the...

Page 17: ...be installed in the discharge line Notice Local codes govern the installation of relief valves If local codes require that a temperature and pressure relief valve should be installed the manufacturer...

Page 18: ...d at the bottom of the gas line Do not use excessive force over 31 5 ft lbs 42 7 Nm in tightening the pipe particularly if teflon pipe compound is used as the unit may be damaged The inlet gas pressur...

Page 19: ...Field wiring connections and electrical grounding must 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 Canadi...

Page 20: ...ote control over the base plate Ensure the 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 scr...

Page 21: ...T JAUNE G Y GREEN YELLOW AC 120V O ORANGE ORANGE CODE DE COULEUR COLOR CODE MIN BUTTON BOUTON MIN G YorG W BOUTON MAX BL BL BL LED G G MAX BUTTON ADJUSTER BUTTON BL BOUTON DE R GLAGE BL 1 2 3 4 5 A FO...

Page 22: ...Line Shut off V alve Union Cap Condensate Drain Line to Suitable Drain NOTICE The National Fuel Gas Code NFGC and B149 mandates a manual gas shut off valve See NFGC B149 for complete instructions Loca...

Page 23: ...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...

Page 24: ...rating plate Gas supply pressure is sufficient for the water heater Gas line equipped with shut off valve union and sediment trap Approved pipe joint compound used Soap and water solution used to che...

Page 25: ...s label 2 Turn off all electric 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...

Page 26: ...s to the water heater If there 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 perfo...

Page 27: ...member that hotter water increases the risk of scald injury Always supervise young children or others who are incapacitated The water heater is equipped with a device that will shut off the gas supply...

Page 28: ...the hot water heater discharges periodically 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...

Page 29: ...the left for location of sight glass If any unusual burner operation is noted the water heater should be shut off until qualified service assistance can be obtained CAUTION For your safety burner ins...

Page 30: ...s can occur from down draft of venting system or from installation in areas exposed to cold air The water heater is equipped with a Freeze Protection Electric Heater As long as electricity is supplied...

Page 31: ...Valve Malfunctions if applicable 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 de...

Page 32: ...r safety devices Refer repairs to qualified service personnel CAUTION Make certain power to water heater is OFF before removing protective cover FOR ANY REASON CAUTION Label all wires prior to disconn...

Page 33: ...ical wiring gas piping burners vent connectors or other safety devices Refer repairs to qualified service personnel WARNING For your safety DO NOT attempt to disassemble this unit for any reason Front...

Page 34: ...38 C or 85 F 29 C Press and hold the Down button on the remote control for more than 5 seconds Number on the display of the remote control will begin to blink While the number is blinking push the Do...

Page 35: ...ay not function properly NOTICE If 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 alti...

Page 36: ...ttic the hard wired carbon monoxide detector with alarm and battery back up may be installed on the next adjacent floor level b In the event that the requirements of this subdivision can not be met at...

Page 37: ...line without the use of a temperature sensor timer or a continuously operating pump All Applicable Warranty Periods will be limited to one 1 year from the Effective Date if the water heater is instal...

Page 38: ...ter heater or component part s Paloma will not reimburse any party for these or any other fees not specifically covered in this Limited Warranty document HOW TO OBTAIN WARRANTY CLAIM ASSISTANCE Any cl...

Page 39: ...ich the defective part was removed or the date of purchase of the part If it was purchased separately to establish the In warranty status of the defective component part If Paloma determines that the...

Page 40: ...Paloma Industries Inc 2151 Eastman Avenue Oxnard CA 93030 PRINTED IN USA PII 1109...

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