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Paloma PH-16 FISN - User Manual

Paloma PH-16 FISN
40 pages
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Indoor Water Heater
Outdoor Water Heater
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
l Do not try to light any appliance.
l Do not touch any electrical switch; do not
use any phone in your building.
l Immediately call your gas supplier
from a neighbor’s phone. Follow the
gas supplier’s instructions.
l If you cannot reach your gas supplier, call
the fire department.
l 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 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 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
Tankless Water Heater
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Warning: This water heater is not suitable for
use in manufactured (mobile) homes!
!
Residential Indoor and Outdoor Gas
CERTIFIED
R
R
Models: PH-16 FISN (Natural Gas) (Indoor)
PH-16 FISP (L.P Gas) (Indoor)
PH-20R IFSN (Natural Gas) (Indoor)
PH-20R IFSP (L.P. Gas) (Indoor)
PH-20R OFN (Natural Gas) (Outdoor)
PH-20R OFP (L.P. Gas) (Outdoor)

Questions and Answers

  • S
    Sherry JohnsonAug 16, 2025
    What to do if my Paloma PH-16 FISN Water Heater water is not hot enough?
    • B
      Bruce AtkinsAug 16, 2025
      If the water from your Paloma Water Heater isn't hot enough, start by increasing the temperature setting. Also, make sure the gas valve is fully opened. If the problem persists, the gas supply pressure might be low, so it's best to call your gas company to verify the gas meter and gas piping size. Another potential cause is bleed over in one of the hot water fixtures, in that case you should call dealer for service.
  • J
    jeff17Aug 19, 2025
    What to do if my Paloma PH-16 FISN Water Heater water is too hot?
    • M
      Matthew ThompsonAug 20, 2025
      If the water from your Paloma Water Heater is too hot, first decrease the temperature setting. Also, check that the water shutoff valve is fully opened. If only a small amount of water has been heated, allow more water to flow.
  • Z
    zhollandAug 23, 2025
    How to fix Error Code 11 or 12 on my Paloma Water Heater?
    • R
      Robert CooperAug 25, 2025
      Error codes 11 or 12 on your Paloma Water Heater can be due to several gas-related issues or improper grounding. Fully open the gas shutoff valve. If gas service has been interrupted, contact your gas utility company. For LP models, fill up the LP Gas container or replace it with a new cylinder. Bleed all air from the gas lines. Ensure the appliance is properly grounded. Make sure the gas line, meter, and regulator are sized properly, and that the gas type is correct. Also, ensure the venting is per the Instruction Manual. If problems persist, contact a dealer for service.
  • R
    Ronald WalshAug 27, 2025
    What does Error Code 05 or 13 mean on my Paloma PH-16 FISN Water Heater and how to solve it?
    • E
      Elaine CruzAug 27, 2025
      Error codes 05 or 13 on your Paloma Water Heater usually indicate an air intake or ventilation issue. Check for and remove any obstructions from the unit's air intake or vent termination. Clean the air intake to remove any dust or grease buildup. Open a window or vent to ensure fresh air inside the room. Reduce the ventilation level of other equipment or appliances. Avoid direct contact from steam. Clean the air intake filter. If the problem continues, contact a dealer for service.
  • A
    Andrew GarciaAug 31, 2025
    How to troubleshoot Error Code 15 on a Paloma PH-16 FISN?
    • J
      Justin EvansAug 31, 2025
      Error code 15 on your Paloma Water Heater can be caused by not opening the hot water faucet enough, or a buildup of lime deposits. Try opening the faucet more to secure enough volume. If the problem persists, contact a dealer for service, as the water heater may have a buildup of lime deposits.
  • T
    tonyaleeSep 3, 2025
    What does Error Code 99 on my Paloma PH-16 FISN Water Heater mean and how do I fix it?
    • J
      Joshua CurrySep 4, 2025
      Error code 99 on your Paloma Water Heater indicates a decrease in blower motor ventilation volume. To resolve this, clean any blockage from the heat exchanger fins and/or the blower motor.
  • B
    Billy BlackburnSep 7, 2025
    What does error code 1L mean on my Paloma PH-16 FISN?
    • S
      Sara WrightSep 8, 2025
      Error code 1L on your Paloma Water Heater indicates that the water heater has a buildup of lime deposits, in that case you should contact a dealer for service.
  • D
    dsantanaNov 11, 2025
    Why is there not enough hot water from my Paloma PH-16 FISN Water Heater?
    • M
      monica89Nov 11, 2025
      There could be several reasons why you're not getting enough hot water. Ensure the water shutoff valve and the hot water faucet are fully opened. Check that your water supply is adequate and that the unit is turned “ON” via the remote control. Also, the temperature setting might be too low, so try increasing it. Other potential causes include frozen water piping (allow it to thaw), a clogged water inlet filter (clean it), or a clogged fixture aerator (clean it). Insufficient water demand can also cause this, so increase the water flow. If you see an error code, refer to the error code instructions. If you have a mixing valve, check it and replace if necessary. In addition, hot and cold water lines may be reversed, so reverse water connections. If none of these steps resolve the issue, ther...

Summary

Critical Safety Warnings and Precautions

DANGER: Install and Properly Vent the Water Heater

Critical warnings regarding proper venting to prevent CO hazards and unsafe operation.

WARNING: Flammable Materials and Vapors

Precautions against storing or using flammable liquids near the appliance.

DANGER: Water Temperature Setting

Guidance on safe water temperatures to prevent scalding.

Water Heater Installation Procedures

Venting System Installation and Clearances

Guidelines on maximum vent pipe lengths and the impact of elbows on performance.

Installation Details and Connections

Gas Supply, Leak Testing, and High Altitude

Gas supply requirements, leak testing, and considerations for high altitude installations.

Operating the Water Heater

Lighting and Initial Operation Safety

Essential safety steps and checks before lighting the water heater.

Water Temperature Setting and Scald Prevention

Guidance on setting water temperature to prevent scalding.

Troubleshooting and Error Codes

Common Operational Problems and Solutions

Guidance on diagnosing and resolving common problems with the water heater.

Interpreting Error Codes and Recommended Actions

Explanation of error codes displayed by the unit and corrective steps.

Paloma PH-16 FISN Specifications

General IconGeneral
TypeTankless
Fuel TypeNatural Gas
Ignition TypeElectronic Ignition
VentingDirect Vent
Energy Efficiency82%

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