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Direct Vent 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.

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 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

DESIGN

CERTIFIED

®

Warning: This water heater is not suitable

for use in manufactured (mobile) homes!

!

Direct Vent Gas

CERTIFIED

R

R

(

Residential and Commercial)

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)

Summary of Contents for Tankless Water Heater

Page 1: ...er 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 impor...

Page 2: ...ers 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 needed to obtain service under the warranty You can also registe...

Page 3: ...ER INSTALLAND PROPERLY VENT THE WATER HEATER Gasoline as well as other flammable materials and liquids adhesives solvents paint thinners etc and the vapors they produce are extremely dangerous DO NOT...

Page 4: ...switch adjustment Only qualified service personnel should perform this adjustment Only factory authorized remote control s should be used Notice When this water heater is supplying general purpose hot...

Page 5: ...P 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 l Before attempting to light the water heater make sure to loo...

Page 6: ...ormation 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 FOR INSTALLATIONS IN THE STATE OF CALIFO...

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

Page 8: ...y 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 Imm...

Page 9: ...they must be corrected in accordance with the venting instructions in this manual before completing the installation and putting the water heater into service DANGER Failure to install the appliance...

Page 10: ...hould have a downward slope towards the vent termination The vent should have a 1 4 per foot DOWNWARD slope towards the vent terminal as shown above If the air intake pipe or duct is connected to the...

Page 11: ...t 91 cm J Clearance to nonmechanical air supply inlet to the combustion air inlet to any building or other appliance 6 inches 15 cm for appliances 10 000 Btuh 3 kW 12 inches 30 cm for appliances 10 00...

Page 12: ...ate can freeze on the exterior wall under the eaves and on surrounding objects Some discoloration to the exterior of the building is to be expected However improper location or installation can result...

Page 13: ...ocated in the female end of the 4 7 concentric vent pipe section When fully assembled the outer female end see Figure to left will overlap the male end by approximately 1 inch 25 4 mm Use the self tap...

Page 14: ...ale end of the air intake connection of the air intake tee Install the appliance adapter onto the appliance outlet and inlet and clamp as required Now attach other required vent and air intake materia...

Page 15: ...5 m If required use silicone sealant at the point the vent connector joins the water heater Chase Requires 6 15 cm Clearance to Combustibles Firestop Firestop Tall Cone Flashing Vent Adapter 3 8 cm C...

Page 16: ...carried out by a qualified plumber in accordance with local codes Use approved plumbing materials only The diameter of the pipe lines should be a minimum of 3 4 To conserve energy and to prevent free...

Page 17: ...e water inlet and the hot water outlet as shown on the water heater If reversed the water heater will not function Installation of unions or flexible copper connections are recommended on the HOT and...

Page 18: ...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 19: ...e gas supply line which does not exceed the maximum supply pressure DO NOT use an industrial type gas regulator High Altitude Gas Supply The supplied Manual Gas Appliance Shutoff Valve must be install...

Page 20: ...with this water heater DO NOT attempt to disassemble the remote control WARNING Field wiring connections and electrical grounding must comply with local codes or in the absence of local codes with th...

Page 21: ...able from the water heater l l Place the remote control over the base plate Ensure the projections in the base plate fit into the housings in the remote control l l Fix the control to the base plate a...

Page 22: ...lt interrupter l An ON OFF switch must be provided and installed for the incoming 120VAC power l Wire the water heater exactly as shown below A wiring Figure is also found inside of the cover panel l...

Page 23: ...valve See NFGC B149 for complete instructions Local codes or plumbing authority requirements may vary from the instructions or figures provided and take precedent over these instructions Vacuum Relief...

Page 24: ...s Inlet Check Valve Inlet Pipe Cold Water Hot Water Insulate all the way to the top Insulation Blankets Insulation blankets available to the general public for external use on gas water heaters are no...

Page 25: ...ion and sediment trap q Approved pipe joint compound used q Soap and water solution used to check all connections and fittings for possible gas leak q Gas Company inspected installation if required D...

Page 26: ...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 27: ...g valves are available for reducing 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...

Page 28: ...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 to th...

Page 29: ...pection 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 disconnect the...

Page 30: ...cleaning a vacuum cleaner can be used on the burner Proper burner pattern Care and cleaning of the water heater Vacation and Extended Shut Down If the water heater is to remain idle for an extended p...

Page 31: ...breaker at least 10 seconds after step 1 Open all hot water faucets Before proceeding to the next step make sure that COLD water is coming out of all hot water faucets Close the water shut off valve...

Page 32: ...pplied and or water supply is adequate Unit is not ON l Turn the unit ON by the button The temperature may be set too low Mixing Valve Malfunctions if applicable l Check and replace if necessary Error...

Page 33: ...evices 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 disconnection whe...

Page 34: ...nt Water Heater 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 and serial n...

Page 35: ...setting to 120 49 C Follow first four bullets points listed above then continue as listed below l Press the Min button on the left hand side of the PCB for more than 1 second The LED on the PCB starts...

Page 36: ...omplete satisfaction you should then contact the following address 2151 Eastman Avenue Oxnard CA 93030 Phone 805 278 5499 When contacting the manufacturer the following information will be requested a...

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: ...Paloma Industries Inc 2151 Eastman Avenue Oxnard CA 93030 PRINTED IN JAPAN 31 51901 00...

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