background image

22

Installing the water heater:

Typical Installation of Water Heater
(Venting Required) 

Discharge

Line

(To Suitable Drain)

To Hot Water

Faucet(s)

Relief
Va lve

Union

Drain Valve

6"  (15 cm) Air Gap

Manual Gas 

Appliance

Shut-off

(supplied)

Sediment

Trap

Manual

Gas Supply Line

Shut-off

Va lve

Union

Cap

Cold Water

Supply

Shut-off

Va lve

Check

Va lve

Wall Plates

Outside Wall

Outside Wall

With Protective

Vent Termination

Screen

94° Elbow

Vent Adapter

Power

Supply

Cord

Water Filter

Drain Valve

Drain

Hose

(To Suitable Drain)

7/8” Per Foot Downward Pitch

NOTICE: The National Fuel Gas Code (NFGC) and B149 mandates a manual gas shut-off valve: See
NFGC/B149 for complete instructions. Local codes or plumbing authority requirements may vary from
the instructions or diagrams provided and take precedent over these instructions.

Vacuum Relief Valve

(Not Supplied)

If required, install per local codes

and valve manufacturer’s

instructions.

Water Inlet

Water

Outlet

Drain

Pressure Relief
Valve

Hot Water Service
Valve

Cold Water

Service Valve

Alternate Water Piping Arrangement 
with Optional Valve Kit

F

PRIORITY

POWER

ON/OFF

Remote
Control

Summary of Contents for PH-20R DVSN

Page 1: ...per 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 a...

Page 2: ...R 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 needed to obtain s...

Page 3: ...er flammable materials and liquids adhesives solvents paint thinners etc and the vapors they produce are extremely dangerous DO NOT handle use or store gasoline or other flammable or combustible mater...

Page 4: ...emote control and a dip 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 suppl...

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: ...on 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 Notice This water heater requires a special ve...

Page 7: ...ate the possibility of lighting the vapor of any flammable liquids which may be improperly stored or accidentally spilled l The water heater should be installed as close as practical to the vent termi...

Page 8: ...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...

Page 9: ...perly vent the water heater to the outdoors as outlined in the Venting section of this manual will result in unsafe operation of the water heater causing death serious injury explosion or fire To avoi...

Page 10: ...nce Vent Adapter Water Heater Exhaust Flow B Collar A Draining the Condensate Provision should be made to collect and dispose of condensate from venting systems When a water heater is vented horizonta...

Page 11: ...ther appliance 6 inches 15 cm for appliances 10 000 Btuh 3 kW 12 inches 30 cm for appliances 10 000 Btuh 3kW and 100 000 Btuh 30kW 36 inches 91 cm for appliances 100 000 Btuh 30kW 6 inches 15 cm for a...

Page 12: ...ould not contain substances that corrode the vent pipe Do NOT extend exposed vent pipe of indoor water heaters outside of building Guard vent against accidental contact with people and pets Indoor Wat...

Page 13: ...e a weather seal to keep moisture outside the building Ensure a sufficient seal is made Now attach the male end of the horizontal vent termination to the female end of the 3 5 concentric vent pipe Pus...

Page 14: ...anufacturer s recommended installation instructions provided with the vent purchased from the manufacturer Chase Requires 6 15 cm Clearance to Combustibles Firestop Firestop Roof Jack Adjustable Roof...

Page 15: ...essure relief valve To ensure proper operation of the water heater the following water pressure guidelines should be followed l Operation of the water heater requires the minimum water pressure of 14...

Page 16: ...not function Installation of unions or flexible copper connections are recommended on the HOT and COLD water lines so that the water heater may disconnect easily for servicing if necessary Install a...

Page 17: ...should 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 manuf...

Page 18: ...he gas line Do not use excessive force over 31 5 ft lbs 42 7 Nm in tightening the pipe particularly if teflon pipe compound is used as the unit may be damaged The inlet gas pressure to the water heate...

Page 19: ...h type of remote controls can connect to the water heater Therefore a maximum of three controls can connect to the water heater No other manufacturer s controls are suitable for use with this water he...

Page 20: ...ater 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 at the bottom of the re...

Page 21: ...dangerous operation Verify correct operation after servicing BK 8 R GR Y B O W BR WATER FLOW SENSOR OVER HEAT LIMITER BK GND GND THE CONNECTORS OF DUAL AND MULTIPLE LED CONTROL BATH BATH CONTROL1 CONT...

Page 22: ...Water Filter Drain Valve Drain Hose To Suitable Drain 7 8 Per Foot Downward Pitch NOTICE The National Fuel Gas Code NFGC and B149 mandates a manual gas shut off valve See NFGC B149 for complete instru...

Page 23: ...s encountered with storage tank heaters This water heater does not store water making an insulation blanket unnecessary The manufacturer s warranty does not cover any damage or defect caused by instal...

Page 24: ...equipped with shut off valve union 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 inspec...

Page 25: ...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 26: ...alves 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 Se...

Page 27: ...otter 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 the burne...

Page 28: ...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 power supply Vacuum aro...

Page 29: ...t if vent system shows signs of leaking exhaust Check to make sure that the air intake opening and vent outlet on the termination has not been blocked or contain debris Burner Inspection Visually insp...

Page 30: ...freezing conditions even for a short period of time be sure to drain all water from the unit as instructed above Exposure to freezing conditions can occur from down draft of venting system or from in...

Page 31: ...ol The temperature may be set too low l Increase the temperature setting Mixing Valve Malfunctions if applicable l Check and replace if necessary Error code displayed on remote control l See instructi...

Page 32: ...irs 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 when servicing contr...

Page 33: ...as noted below and number of parts desired CAUTION For your safety DO NOT attempt repair of electrical wiring gas piping burners vent connectors or other safety devices Refer repairs to qualified ser...

Page 34: ...bove 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 illuminating continuously At the same time the display of th...

Page 35: ...35 Notes...

Page 36: ...ility of the property owner to secure the services of qualified licensed professionals for the installation of hard wired carbon monoxide detectors a In the event that the side wall horizontally vente...

Page 37: ...d 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 to install use or maintain this water heater or to bring...

Page 38: ...nable inspection of parts Paloma determines that a defect exists Paloma shall furnish replacement part s in full settlement of its warranty obligations Purchasers shall be required to return at purcha...

Page 39: ...This page was intentionally left blank...

Page 40: ...Paloma Industries Inc 2151 Eastman Avenue Oxnard CA 93030 PRINTED IN JAPAN 31 80811 00...

Reviews: