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Paloma PH-16 FISP - User Manual

Paloma PH-16 FISP
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
D
E
S
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G
N
C
E
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T
I
F
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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)

Table of Contents

Questions and Answers

  • F
    Frederick MathisAug 15, 2025
    What to do if my Paloma PH-16 FISP Water Heater water is not hot enough?
    • M
      millerkellyAug 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.
  • R
    Rachel BushAug 19, 2025
    What to do if my Paloma Water Heater water is too hot?
    • S
      Shawna SchmidtAug 19, 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.
  • S
    sosasavannahAug 23, 2025
    How to fix Error Code 11 or 12 on my Paloma PH-16 FISP Water Heater?
    • M
      Mary MooreAug 23, 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.
  • J
    jennifer44Aug 27, 2025
    What does Error Code 05 or 13 mean on my Paloma Water Heater and how to solve it?
    • P
      penningtonleviAug 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.
  • P
    phillipsgailAug 31, 2025
    How to troubleshoot Error Code 15 on a Paloma Water Heater?
    • A
      allison60Aug 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.
  • A
    Amber ThomasSep 4, 2025
    What does Error Code 99 on my Paloma PH-16 FISP mean and how do I fix it?
    • J
      Jonathan MartinSep 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
    Brittney KingSep 7, 2025
    What does error code 1L mean on my Paloma PH-16 FISP?
    • M
      Morgan HallSep 7, 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.
  • J
    jaime87Nov 11, 2025
    Why is there not enough hot water from my Paloma Water Heater?
    • T
      Tiffany AndrewsNov 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

Paloma Tankless Water Heater Manual Introduction

Important Safety Warnings

Critical safety warnings about installation and operation hazards.

Safety Information

Safety Precautions

General safety guidelines and precautions for operating the water heater.

LP Gas Model Safety

Specific safety information pertaining to Liquid Petroleum gas models.

Installation Instructions

Location Selection and Clearances

Guidelines for selecting proper location and clearances for installation.

Venting System Requirements

Instructions on vent pipe material, length, and support.

Water and Gas Supply Connections

Procedures for correctly connecting water and gas supply lines.

Electrical and Mounting Requirements

Steps for mounting the heater and making electrical connections.

Installation Checklist

A comprehensive checklist to ensure all installation steps are completed.

Critical Safety Warnings

Water Temperature and Scald Hazards

Critical warning about high water temperatures causing severe burns or death.

Gas Model Specific Safety

Safety considerations for natural gas and LP gas models.

California Installation Safety

Specific safety and installation mandates for California.

Operating the Water Heater

Lighting the Water Heater

Step-by-step guide for safely lighting the water heater.

Water Temperature Control

How to set and adjust water temperature for optimal performance and safety.

Remote Control Operation

Guidance on operating the main remote control for temperature adjustment.

Care and Cleaning Procedures

Routine Preventative Maintenance

Scheduled maintenance tasks to ensure longevity and proper function.

Filter Cleaning and Vent Inspection

Procedures for cleaning filters and inspecting the venting system.

Draining and Freeze Protection

Steps for draining the water heater and protecting it from freezing.

Troubleshooting and Error Codes

Common Troubleshooting Tips

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

Error Code Guide

Explanation of error codes and recommended actions for resolution.

Parts, Service, and Warranty

Replacement Parts and Ordering

Instructions for ordering replacement parts for the water heater.

Service Assistance and Warranty Claims

How to obtain professional service and process warranty claims.

DIP Switch Adjustment

Temperature Setting DIP Switch Adjustment

Instructions for adjusting DIP switch for higher temperature settings.

Limited Warranty

General Warranty Information

General terms and conditions of the Paloma limited warranty.

Warranty Exclusions

Specific conditions and actions not covered by the warranty.

Warranty Claim Assistance

How to obtain warranty service and claim assistance.

Paloma PH-16 FISP Specifications

General IconGeneral
Heating ElementCopper
Power Rating3.5 kW
Water Flow Rate2.5 L/min
Weight3.5 kg
Warranty1 year
Maximum Flow Rate2.5 L/min
Heating Capacity3.5 kW

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