Waiwela PH2-20R DVSN (Natural Gas) Use & Care Manual

Manual is about: Tankless

Summary of PH2-20R DVSN (Natural Gas)

  • Page 1

    Ap15421 (11/09) ! 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 do not try to light any appliance. Do not t...

  • Page 2

    Safety information safety precautions . . . . . . . 3–6 lp gas models . . . . . . . . . . . 5 installation instructions location . . . . . . . . . . . . . . . . . .7 inspect shipment . . . . . . . . . . .8 venting . . . . . . . . . . . . . . . 9-14 water connections . . . . 15, 16 relief valve . . ....

  • Page 3

    Be sure to read and understand the entire use and care 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. Should you ha...

  • Page 4: D A N G E R

    Time/temperature relationship in scalds water temperature time to produce a serious burn 120°f (49°c) more than 5 minutes 125°f (52°c) 1 1 / 2 to 2 minutes 130°f (54°c) about 30 seconds 135°f (57°c) about 10 seconds 140°f (60°c) less than 5 seconds 145°f (63°c) less than 3 seconds 150°f (66°c) about...

  • Page 5

    5 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. Other conditions, such as “odorant fade”, which causes...

  • Page 6

    6 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. For installations in the state of ...

  • Page 7

    7 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 ei...

  • Page 8

    Installing the water heater: corrosive atmospheres the air in beauty shops, dry cleaning establishments, photo processing labs, and storage areas for liquid and powdered bleaches or swimming pool chemicals often contains such halogenated hydrocarbons and/or corrosives. An air supply containing halog...

  • Page 9

    The water heater must be installed with a 3”/5” diameter ul approved category iii concentric stainless steel appliance concentric vent pipe or rheem approved concentric vent pipe. Venting the installation of venting must comply with national codes, local codes and the vent manufacturer’s instruction...

  • Page 10

    Installing the water heater: venting through closed spaces follow local codes and vent manufacturer’s installation instructions. For maintenance and inspection purposes two (2) inspection access panels large enough to allow access for venting inspection may be required. One (1) of these access panel...

  • Page 11

    D v v e fixed clos ed ope rab le ope rab le fixe d clos ed v v b l f c b v v v x b b b a j b i h x v m k v g a the following information should be used for determining the proper location of the vent terminal for direct vent tankless water heaters. V vent terminal x air supply inlet area where termi...

  • 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 eaves, do not locate vent terminal on the side of a build ing with prevailing winter winds. To help prevent water lines from freezing...

  • Page 13

    Example a: typical horizontal termination w/ 1/4” per foot downward slope 13 installing the water heater: 94° elbow wall plate water heater horizon termin exterior w interior wall condensate drain line connection mounting brackets caulk for weather seal side view warning: use rheem approved category...

  • Page 14

    Installing the water heater: vertical vent installation a fire stop plate should be installed at every penetration of a floor or ceiling if the vent is not running in a fire-rated shaft. Maintain the required air space clearance to combustible materials and building insulation. Once the vent termina...

  • Page 15

    Water supply connections important: do not apply heat to the hot or cold water connections. If sweat connections are used, sweat tubing to adapter before fitting adapter to the water connections on heater. Any heat applied to the water supply fittings will permanently damage the internal components ...

  • Page 16

    Installing the water heater: water supply connections, continued notice: if the water flow resistance of a shower head is too high, the burner in the water heater will fail to ignite. Keep the shower head clean from debris that could cause additional pressure drop. Notice: if using mixing valves on ...

  • Page 17

    Relief valve a new pressure relief valve, complying with the standard for relief valves and automatic gas shut-off devices for hot water supply systems, ansi z21.22/ csa 4.4, must be installed at the hot water outlet connection of the water heater at the time of installation. Local codes shall gover...

  • Page 18

    This water heater is certified for installations up to 3,280 feet (1000 m) above sea level. The input rating of this water heater is based on sea level operation. At higher elevations, the actual input rate may be lower than the value listed on the rating label. Notice: for installations above 3,280...

  • Page 19

    Remote control installation one (1) remote control is provided with the water heater. Additional remote controls may be purchased separately. Up to three (3) remote controls can be used with this water heater. The following are considerations for determining the location of the remote control(s): do...

  • Page 20

    20 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. Notice: r...

  • Page 21

    Electrical connection power cord: the electric power supply requirement for this water heater is 120 vac/60hz, 2 amps. The water heater comes with a three (3) pin power supply cord. Use only a power outlet with a ground terminal. The installation of an gfci (ground fault circuit interrupter) is reco...

  • Page 22

    22 installing the water heater: typical installation of water heater (venting required) wall plate outside wall with protective vent termination screen 94° elbow vent adapter power supply cord 1/4” per foot downward pitch to hot water faucet(s) relief va lve union drain valve cold water supply shut-...

  • Page 23

    23 for increased energy efficiency, use pipe insulation. Please install the insulation according to the diagram above, making sure to insulate all the way to the top. Do not cover any drain or pressure relief valve(s). Do’s do follow all installation instructions covered in this manual. Do check inl...

  • Page 24

    Installing the water heater: a. Indoor water heater location close to area of vent termination. Indoors and protected from freezing temperatures. Proper clearance from combustible surfaces observed. Sufficient fresh air supply for proper operation of water heater. Air supply free of corrosive elemen...

  • Page 25: Lighting The Water Heater:

    25 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, res...

  • Page 26: Operating The Water Heater:

    Time/temperature relationship in scalds water temperature time to produce a serious burn 120°f (49°c) more than 5 minutes 125°f (52°c) 1 1 / 2 to 2 minutes 130°f (54°c) about 30 seconds 135°f (57°c) about 10 seconds 140°f (60°c) less than 5 seconds 145°f (63°c) less than 3 seconds 150°f (66°c) about...

  • Page 27

    27 water temperature setting… maximum water temperature occurs while the burner is on. To determine the water temperature, turn on a hot water faucet and place a thermometer in the water stream. Water temperature at the faucet may vary depending on season and length of pipe from the water heater. Th...

  • Page 28

    Care and cleaning of the water heater: housekeeping before performing housekeeping tasks to this water heater, turn the unit off and disconnect the power supply. Vacuum around the water heater for dust, dirt and lint on a regular basis. Clean the water heater and remote control by using a damp soft ...

  • Page 29

    ! Caution: do not operate without the condensate trap connected to the drain fitting and routed to the proper drain. 29 condensate trap inspection on a regular basis, inspect the condensate trap to ensure there is enough water in the trap and the condensate is draining properly. Ensure that condensa...

  • Page 30

    Draining the water heater below are instructions for draining water out of the water heater. Turn off the switch on the remote control. Close the gas shut-off valve(s). Unplug the power supply cord (or disconnect breaker) at least 10 seconds after step #1. Open all hot water faucets. Before proceedi...

  • Page 31

    31 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. Caution: for your safety, do not attempt repair of electrical wiring, gas piping, remote control, burners, vent connectors or other safet...

  • Page 32: Error Code Guide:

    Error code guide: when an error code is displayed: close the hot water faucet, turn off the switch on the remote control. Wait for about 5 minutes before turning the switch on again. Open the hot water faucet. If the error code remains in the display: close the hot water faucet and turn off the swit...

  • Page 33: Replacement Parts:

    33 replacement parts: direct vent water heater instructions for placing a parts order all parts orders should include: the model and serial number of the water heater from the rating plate. Specify type of gas (natural or lp) as marked on the rating plate. Part description (as noted below) and numbe...

  • Page 34

    Required adjustment for up to 140°f (60°c) water temperature settings for residential product or 185° (85° c). ! Warning: refer to scald potential warnings on page 4 before making adjustment. Changing this setting is done at your own risk. Do not execute the following adjustment if the setting of up...

  • Page 35

    35 the content on this page is intended for use by qualified installation/service personnel only. Warning: improper adjustment, altera- tion, service or maintenance can cause prop- erty damage, personal injury, or death. Minimum temperature adjustment by the main remote control (umc-117, usc1-117 an...

  • Page 36

    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 installer, plumbing contractor or previously agreed upon service agency. In the event the firm has moved, or ...

  • Page 37

    Limited warranty for the paloma gas water heater models listed on the front of this manual. 37 general this limited warranty is only available to the original owner of this water heater at the original installation location. It is not transferable. Residential is defi ned as a single family residenc...

  • Page 38

    I) damages, malfunctions, or failures caused by operating the unit at water temperatures exceeding the maximum setting of the operating, or high limit control. J) heat exchanger failures caused by operating the water heater when it is not supplied with potable water at all times. K) damages, malfunc...

  • Page 39

    Paloma reserves the right to inspect, or require the return of, the failed water heater or the defective component part(s). Each “in-warranty” failure water heater must be made available to paloma (with the rating label and all the component parts intact) in exchange for the replacement water heater...

  • Page 40

    Imported by: effi cient technology sales, llc 5350 joliet street, unit #2 denver, co 80239 usa printed in usa wa (1109).