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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.

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.

Do not return to your home until authorized 
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.

!

WARNING: If the information in these instructions is not followed exactly, 

a fire or explosion may result causing property damage, personal injury or death.

!

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
troubleshooting of the water heater. This manual also includes a parts
list.

It is imperative 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 advice.

Any questions regarding the operation, maintenance, service or
warranty of this water heater should be directed to the seller from whom
it was purchased, local distributor or Paloma.

Do not destroy this manual. Please read carefully and keep in a safe
place for future reference.

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.

!

!

Installation and Operating Instruction Manual

With Installation Instructions for the Installer

Models:

PH-28RIFSN (Natural Gas)

PH-28RIFSP (L.P. Gas)

Tankless 

Water Heater

DESIGN

CERTIFIED

®

Warning: This water heater is not suitable

for use in manufactured (mobile) homes!

!

Residential Indoor Gas

199,900 BTU Max Input

Summary of Contents for PH-28RIFSN

Page 1: ...installation and adjustment of the water heater and two to the owner operator to explain the features operation safety precautions maintenance and troubleshooting of the water heater This manual also...

Page 2: ...READ THIS MANUAL 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...

Page 3: ...hesives 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...

Page 4: ...water temperature is recommended to reduce the risk of scald injury Contact a licensed plumber or the local plumbing authority for further information Notice The factory setting allows operating tempe...

Page 5: ...r 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 lo...

Page 6: ...ALL INSTRUCTIONS BEFORE USING WARNING For your safety the information in this manual must be followed to minimize the risk of fire or explosion electric shock or to prevent property damage personal i...

Page 7: ...reduce BUT NOT eliminate the possibility of lighting the vapor of any flammable liquids which may be improperly stored or accidentally spilled The water heater should be installed as close as practica...

Page 8: ...warranty is voided when failure of the heater is due to operation in a corrosive atmosphere NOTICE The water heater should not be installed near an air supply containing halogenated hydrocarbons Inspe...

Page 9: ...water supply lines DO NOT cover the drain valves To ensure proper operation of the water heater the following water pressure guidelines should be followed Operation of the water heater requires the mi...

Page 10: ...ter damage Notice If the relief valve on the system discharges periodically a problem exists and service to the water system is required Water Supply Connections Continued Install a shutoff valve near...

Page 11: ...be installed at the gas connection of the water heater at the time of installation see diagram to the left The branch gas supply line to the water heater should be clean 3 4 black steel pipe or other...

Page 12: ...air supply for proper operation as outlined in the Venting section of this manual WARNING Use UL approved Category III Stainless Steel vent material only No other vent material is permitted WARNING Re...

Page 13: ...tructions before installation Test fit the adapter over the water heater collar before proceeding Adjust clamp as needed With an alcohol wipe clean inside surface A of adapter and outside surface of B...

Page 14: ...Not terminate vent pipe directly on brick or masonry surfaces Use a rust resistant sheet metal backing plate 2 x 2 feet behind vent See illustration Do Not locate vent terminal too close to shrubbery...

Page 15: ...board or other composite material Use 4 10x1 1 4 wood screws for plywood solid wood sheathing or members Use suitable masonry anchors when passing through solid masonry walls Reinstall the decorative...

Page 16: ...f condensate in accordance to local codes Rain Cap Storm Collar Support Clamp 1 4 per foot downward slope 2 Max Chase Requires 6 Clearance to Combustibles Firestop Firestop Roof Jack Adjustable Roof F...

Page 17: ...tween the water heater and the remote control s installation location is limited to 195 feet of wire NOTICE Only one of each type of remote controls can connect to the water heater Therefore a maximum...

Page 18: ...upwards Connect the remote control cables to the extension cable from the water heater Place the remote control over the base plate Ensure the projections in the base plate fit into the housings in t...

Page 19: ...W BR AIR INTAKE FILTER SWITCH TRANSFORMER GND BK GND WATER FLOW SENSOR OVER HEAT LIMITER BK BLACK COLOUR CODE BR BROWN R RED W WHITE B BLUE GY GRAY GR GREEN O ORANGE Y YELLOW G Y GREEN YELLOW REMOTE...

Page 20: ...liance Shut off supplied Sediment Trap Manual Gas Supply Line Shut off Valve Union Cap Cold Water Supply Shut off Valve Check Valve Vent Adapter F PRIORITY POWER ON OFF Remote Control Power Supply Cor...

Page 21: ...er Hot and Cold Pipe Insulation Installation Gas Inlet Check Valve Inlet Pipe Cold Water Hot Water Insulate all the way to the top Insulation Blankets Insulation blankets available to the general publ...

Page 22: ...Supply Gas type matches 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 wa...

Page 23: ...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 24: ...educing point of use water temperature by mixing hot and cold water in branch water lines Contact a licensed plumber or the local plumbing authority for further information See page 4 for more details...

Page 25: ...ter Always remember to test the water temperature with your hand before use and remember that hotter water increases the risk of scald injury Always supervise young children or others who are incapaci...

Page 26: ...ice After inspection maintenance and or cleaning ensure proper operation by turning on a hot water faucet Housekeeping Before performing Housekeeping tasks to this water heater turn the unit off and d...

Page 27: ...be turned off The water heater and piping should be drained if they might be subjected to freezing temperatures After a long shut down period the water heater s operation and controls should be check...

Page 28: ...ns for draining water out of the water heater Turn off the switch on the remote control Close the gas shut off valve s Unplug the power supply cord or disconnect breaker at least 10 seconds after step...

Page 29: ...etely The main burner goes off when incoming water volume is inadequate Check that proper power is being supplied and or water supply is adequate Fan continues to rotate after hot water faucet is clos...

Page 30: ...t water faucet once The water heater can then be used The Gas Shutoff Valve is not opened completely Gas Service has been interrupted LP Gas is running low LP models only Contact Gas Utility Company F...

Page 31: ...ls using natural or LP gas Instructions For Placing a Parts Order Address parts orders to the distributor or store from where the water heater was purchased All parts orders should include The model a...

Page 32: ...all of the other component parts warranty will be limited to one 1 year from the Effective Date WARRANTY EXCLUSIONS This Limited Warranty will not cover a Service trips to your home to teach you how t...

Page 33: ...ines that a defect exists Paloma shall furnish replacement part s in full settlement of its warranty obligations Purchasers shall be required to return at purchasers expense the defective part s to th...

Page 34: ...140 F With Main Control Dip Switch Combustion System Fan Assisted Combustion Main Burner Bunsen Type Burner Ignition Electric Continuous Sparking Ignition Electric Portion Electric Rating 120 VAC 60Hz...

Page 35: ...This page was intentionally left blank...

Page 36: ...Paloma Industries Inc 2151 Eastman Avenue Oxnard CA 93030 PRINTED IN JAPAN 31 50641...

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