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Direct Vent Gas
Tankless Water Heater
Direct Vent Water Heater
!
WARNING: If the information in these instructions is not followed exactly,
a fire or explosion may result causing property damage, personal injury or death.
!
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
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Do not try to light any appliance.
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Do not touch any electrical switch; do not
use any phone in your building.
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Immediately call your gas supplier from a
neighbor's phone. Follow the gas
supplier's instructions.
Models: PH-28 R DVSN (Natural Gas)(Residential)
PH-28 R DVSP (L.P. Gas)(Residential)
PH-28 C DVSN (Natural Gas)(Commercial)
PH-28 C DVSP (L.P. Gas)(Commercial)
Installation and Operating Instruction Manual
With Installation Instructions for the Installer
R
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.
Residential and Commercial)
(
!
Warning: This water heater is not suitable
for use in manufactured (mobile) homes!
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If you cannot reach your gas supplier, call
the fire department.
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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.
CERTIFIED
R
®
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Table of Contents
Related Manuals for Paloma Tankless Water Heater
Summary of Contents for Paloma Tankless Water Heater
- Page 1 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.
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Page 2: Table Of Contents
FOR YOUR RECORDS Safety Information Write the model and serial numbers here: Safety Precautions..3–6 LP Gas Models ... 5 Installation Instructions You can find them on a label on the appliance. Location of Water Heater . -
Page 3: Important Safety Information
IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS BEFORE USING. Be sure to read and understand the entire Instruction Manual before attempting to install or operate this water heater. It may save you time and money. Pay particular attention to the Safety Instructions. Failure to follow these warnings could result in serious bodily injury or death. -
Page 4: Water Temperature Setting
IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS BEFORE USING. DANGER! WATER TEMPERATURE SETTING Safety and energy conservation are factors to be considered when selecting the water temperature setting of a water heater’s remote control. Water temperatures above 125°F (52°C) can cause severe burns or death from scalding. Be sure to read and follow the warnings outlined on the label pictured below. - Page 5 DANGER! NATURAL GAS AND LIQUEFIED PETROLEUM MODELS 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.
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Page 6: Safety Precautions
IMPORTANT SAFETY INFORMATION READ 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 injury, or loss of life. -
Page 7: Location Of Water Heater
Installing the water heater : This water heater must be installed in accordance with these instructions, local codes, utility company requirements, and/or in the absence of local codes, use the latest edition of the American National Standard/National Fuel Gas Code. A copy can be purchased from either the American Gas Association, 400 North Capitol Street Northwest, Washington, DC 20001 as ANSI standard Z223.1 or National Fire Protection Association, 1 Batterymarch Park, Quincy, MA 02269 as NFPA 54. -
Page 8: Inspect Shipment
Installing the water heater: Location of Water Heater continued: 1/4” Per foot downward slope towards termination Notice: Maintain a 3” (8 cm) clearance between the vent pipe and combustible or Intake Pipe non-combustible construction. Vent Outlet Pipe 1” (2.5cm) min. Max. -
Page 9: Venting
The water heater must be installed with a 4” Diameter UL approved Category III Stainless Steel vent pipe, appliance vent adapter and Paloma approved vent termination. Venting DANGER: Failure to The installation of venting must comply with span should be no more than five (5) feet... - Page 10 Installing the water heater: The water heater must be installed with an UL approved Category III Stainless Steel appliance vent adapter and Paloma approved vent termination. Venting Through Closed Spaces Air Intake If the vent piping passes through a closed space, a minimum 1/4”...
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Page 11: Horizontal Vent Terminal Location
X AIR SUPPLY INLET A R E A WHERE TERMINAL IS NOT V VENT Horizontal Vent Terminal Location The following information should be used for determining the proper location of the vent terminal for direct vent tankless water heaters. Canadian Installations US Installations A= Clearance above grade, veranda, 12 inches (30 cm) above anticipated... - Page 12 Installing the water heater. Additional Considerations Do Not install vent terminal under any patio or deck. To help prevent moisture from freezing on walls and under Caulk eaves, do not locate vent terminal on the side of a building Rising moisture will collect under eaves.
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Page 13: Installation Instructions
The water heater must be installed with an UL approved Category III Stainless Steel appliance vent adapter and Paloma approved vent termination. Horizontal Vent Installation WARNING: Use UL Before starting the vent installation, When fully assembled, the outer approved Category III vent material only. - Page 14 Installing the water heater: Horizontal Vent Installation continued. Use 4 hollow wall anchors, at least 1/8 Attach the female end of the vent pipe Notice: Vent and air intake pipe must be supported inch (0.32 cm) in diameter and of from the water heater to the male end of every 5 feet (1.5 m).
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Page 15: Installation Instructions
Vertical Vent Termination Location The location of the vent terminal depends on the following Only Paloma approved minimum clearances and considerations (see Figure): termination and parts should be used during Minimum twelve (12) inches (30 cm) above roof. installation. Minimum twelve (12) inches (30 cm) above Vent Pipe anticipated snow level. -
Page 16: Combustion Air
42´ 6” Paloma approved vent termination kit. (13 m) For plastic and flex aluminum pipes see instruction sheet provided with the kit or 37´ 6”... - Page 17 Water Supply Connections continued. water heater, open the shutoff valve and CAUTION: This water To supply hot water to upper floors, heater must only be used clean out sand, debris, air, caulking additional water pressure (0.44 psi/ft) with the following water material, etc.
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Page 18: Relief Valve
Installing the water heater: Relief Valve A new pressure relief valve, complying The end of the discharge line should not with the Standard for Relief Valves and be threaded or concealed and should be Automatic Gas Shut-Off Devices for Hot protected from freezing. -
Page 19: Gas Supply
WARNING: Do not attempt to convert this water heater for use with a different type of gas other than the type shown on the rating plate. Such conversion could result in hazardous operating conditions. Gas Supply The supplied Manual Gas Appliance Shutoff A sediment trap should be installed at the Manual Valve must be installed at the gas connection... -
Page 20: Remote Control
Installing the Main Remote Control. WARNING: 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, Canadian Electrical Code, CSA C22.1 Part 1. Remote Control Installation One (1) remote control is provided with may be subjected to oil and/or steam... -
Page 21: Remote Control
WARNING: 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, Canadian Electrical Code, CSA C22.1 Part 1. Remote Control Installation Connecting the MAIN (UMC-117 ) Connecting the remote control to the... -
Page 22: Electrical Connection
Installing the water heater. WARNING: 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, Canadian Electrical Code, CSA C22.1 Part 1. Electrical Connection POWER CORD: HARDWIRING THE ELECTRICAL... -
Page 23: Typical Installation
Typical Installation of Direct Vent Water Heater 1/4” Per Foot Downward 4”/7” Concentric Air Intake Pipe Outside Wall Pitch towards termination Pipe Silicone 90° Elbow Air Intake Opening Vent Adapter Vent Air Intake Tee Termination with screen Silicone Vent Outlet Outside Pipe Faceplate... -
Page 24: Pipe Insulation
Installing the water heater: Insulation Blankets Insulation blankets, available to the general devices may shorten the life of the water WARNING: If local public, for external use on gas water heaters heater and may endanger life and property. codes require external are not necessary. -
Page 25: Installation Checklist
Installation Check List A. Water Heater Location D. Relief Valve Pressure Relief Valve properly installed and Close to area of vent termination. discharge line run to open drain Indoors and protected from freezing temperatures . Discharge line protected from freezing. Proper clearance from combustible surfaces E. -
Page 26: Lighting The Water Heater
Lighting the water heater: Before operating this water heater, be sure to read and follow the instructions on the label pictured below and all other labels on the water heater, as well as the warnings printed in this manual. Failure to do so can result in unsafe operation of the water heater resulting in property damage, personal injury, or death . -
Page 27: Water Temperature
Operating the water heater: Safety Precautions Do turn off manual gas shut-off valve if water heater Do Not store or use gasoline or other flammable has been subjected to over heating, fire, flood, vapors and liquids, such as adhesives or paint thinner, physical damage or if the gas supply fails in vicinity of this or any other appliance. - Page 28 Operating the water heater continued. Water Temperature Setting… Maximum water temperature occurs while adjustment. Only factory authorized the burner is on. To determine the water remote control(s) should be used. temperature, turn on a hot water faucet The hottest temperature water will be at and place a thermometer in the water the hot water faucet closest to the water stream.
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Page 29: Routine Preventive Maintenance
Care and cleaning of the water heater: Routine Preventive Maintenance DANGER: Before manually operating the Properly maintained, your water heater the problem. relief valve, make certain will provide years of dependable trouble- no one will be exposed to Inspect the area around the water heater to free service. -
Page 30: Vent Inspection
Care and cleaning of the water heater: Housekeeping continued CLEANING THE WATER HEATER Use only mild soapy water, other AND REMOTE CONTROL(S): cleaners may damage the surface of the water heater. Make sure the unit is OFF and the electrical power supply has been DO NOT remove any label including disconnected. -
Page 31: Draining The Water Heater
Draining the Water Heater Below are instructions for draining water water to a suitable drain where it will cause out of the water heater. no damage.Leave water heater as is until next use. Turn off the switch on the remote control. -
Page 32: Troubleshooting Tips
Before You Call For Service… Troubleshooting Tips Save time and money! Review the charts on the following pages first and you may not need to call for service. Problem Possible Cause What To Do Not enough or no hot water. Water Shutoff valve is not fully Check shutoff valve and open fully. -
Page 33: Error Code Guide
Close the hot water faucet and turn off the switch on the control and contact your Paloma dealer or distributor for remote control. service. -
Page 34: Parts List
Replacement Parts. Direct Vent Water Heater Instructions For Placing a Parts Order Address parts orders to the distributor or store Part description (as noted below) and WARNING: For your from where the water heater was purchased. number of parts desired. safety, DO NOT attempt to disassemble this unit for CAUTION: For your safety, DO... -
Page 35: Qualified Installers Only! Dip Switch Adjustment
The content on this page is intended for use by qualified installation/service personnel ONLY. WARNING: Improper adjustment, alteration, DANGER: Hotter water increases service or maintenance can cause property damage, the potential for Hot Water SCALDS. personal injury, or death. Time/Temperature Relationship in Scalds Temperature Setting DIP Switch Adjustment Water Temperature Time To Produce a Serious Burn... -
Page 36: If You Need Service
1. Should you have any questions about your new water heater, or if it requires adjustment, repair, or routine maintenance, it is suggested that you first contact your Paloma dealer or distributor, installer, plumbing contractor or previously agreed upon service agency. In the event the firm has moved, or is unavailable, refer to the telephone directory, commercial listings or local utility for qualified service assistance. -
Page 37: Limited Warranty
Residential is defi ned as a single family residence dwelling occupied by the original owner. Paloma Industries, Inc. (Paloma) warrants this Paloma water heater, and its component parts, to be free from defects in materials and workmanship, under normal use and service, for the Applicable Warranty Periods. At its option, Paloma will repair or replace the defective water heater, or defective component part(s), in accordance with the terms of this Limited Warranty, if it fails in normal use and service during the Applicable Warranty Periods. - Page 38 Paloma’s tankless water heater. Except for the above one (1) year labor, this Limited Warranty does not cover any labor expenses for service, repairs, reinstallation, permits, or removal and disposed of the failed water heater, or defective component part(s).
- Page 39 Paloma Industries, Inc. 2151 Eastman Avenue Oxnard, CA 93030 PRINTED IN JAPAN 31-51901-00...