Warning this product must be installed and serviced by a licensed plumber, a licensed gas fitter, or a professional service technician and/or in accordance with all local code. Improper installation and/or operation, or installation by an unqualified person, will void the warranty. Warning operation...
- 2 - contents specifications …………. 2 introduction …………..3 for your safety …………. 3-4 t-h1 components …………. 4 installation …………. 5 • general …………. 5 • accessories …………. 5 • outdoor installation …………. 5-6 • indoor installation …………. 6-7 • venting instructions …………..7-9 • gas supply / gas pipe size………....
- 3 - introduction this manual provides information necessary for the installation, operation, and maintenance of the model t-h1 appliance. This unit includes a fan enabling sidewall (power) venting, an advanced electronic ignition system and a condensate neutralizer. The model description is listed...
- 4 - 5. If any problem should occur, turn off all hot water taps and turn off the gas. Then call a trained technician or the gas company or the manufacturer. 6. Warning: do not disconnect the electrical supply if the ambient temperature will drop below freezing. The freeze prevention device only wo...
- 5 - installation general all gas appliances require careful and correct installation to ensure safe and efficient operation. This manual must be followed exactly. Read the “for your safety” section at the beginning of this manual. 1. The gas regulator is preset at the factory; it is computer contr...
- 6 - the diagram below details the required clearances around the unit: warning: do not install this appliance under an overhang less than 3 feet from its top or eaves. The area under an overhang must be open to three sides warning: do not have the vent terminal pointing toward any opening into a b...
- 7 - combustible air supplied by mechanical fan or make up air device. The t-h1 appliance is equipped with a combustible air sensor that will shut off the unit when inadequate combustible air supply to unit is detected. If a mechanical fan or make up air device is used to supply air to the applianc...
- 8 - when installing the vent system, all applicable national and local codes must be followed. If you install thimbles, fire stops or other protective devices and they penetrate any combustible or noncombustible construction, be sure to follow all applicable national and local codes. When the hori...
- 9 - canada u.S.A direct vent and other than direct vent direct vent other than direct vent a clearance above grade, veranda, porch, deck, or balcony. 1 foot 1 foot 1 foot b clearance to window or door that may be opened. 3 feet 1 foot 4 feet from below or side opening. 1 foot from above opening. C...
- 10 - gas s sizing check that the type of gas matches the rating plate located on the cover of your appliance. The minimum and maximum inlet gas pressures are: natural gas min. 5” wc - max. 10.5” wc propane gas min. 11” wc - max. 14” wc gas pressure below this specified range for the t-h1 and/or in...
- 11 - natural gas supply piping maximum capacity of natural gas based on a 0.60 specific gravity at a 0.5” wc pressure drop pipe size kbtu of natural gas length 10’ 20’ 30’ 40’ 50’ 60’ 70’ 80’ 90’ 100’ 125’ 150’ 200’ ¾” 372 255 205 175 156 142 130 121 114 107 95 86 74 1” 702 482 387 331 293 266 245...
- 12 - to re-start your appliance, follow these steps: 1. Make sure all hot water taps are closed and the drain plugs are securely attached. 2. Purge the water line of debris. 3. Open the manual water shut-off valve located on the water supply line. 4. Open all the hot water taps to verify water flo...
- 13 - electrical connections warning: follow the electrical code requirements of the local authority having jurisdiction. In the absence of such requirements, follow the latest edition of the national electrical code ansi/nfpa 70 in the u.S. Or the latest edition of csa c22.1 canadian electrical co...
- 14 - 6. Now you are ready to enjoy hours of endless hot water. Normal operation to turn on your t-h1 appliance: 1. Open a hot water tap. 2. The burner ignites. The “fire on” lamp lights. 3. Mix cold water with the hot to get the correct temperature water. To turn off your t-h1 appliance: 1. Close ...
- 15 - temperature settings there are 4 preset temperatures that you can select from by adjusting the dipswitch settings on the computer board. The temperature has been preset at the factory to122ºf (50ºc). The computer will electronically control this temperature. At a fixture, mix cold water with ...
- 16 - freeze proctection devices this unit comes equipped with heating blocks and automatic ‘no-flow’ burning to prevent freezing which can damage the heat exchanger. For this freeze prevention system to operate, there has to be electrical power to the unit. The freeze prevention devices will not w...
- 17 - warranty and shorten the life of your appliance. Common trouble shooting the t-h1 can burn gas at a maximum input rate of 199,000 btu/h. This puts a limit on the possible output temperature and flow capabilities. If the water doesn’t seem hot enough, compare the flow and temperature that is b...
- 18 - wiring dia g ram a wiring di agram is located on the insid e front panel of the applian ce. Electri cal rating: 120 vac, 60 hz, 0.8 a. Not e: if any o f the original wirin g su pplie d with this ap plian ce mu st be repl aced, it must be repl ace d with ap plian ce wi ring materia l (180c) or...
- 19 - operating instructions 1. Stop! Read the safety information above or in the owners manual. 2. Turn off all electric power to the appliance. 3. Do not attempt to light the burner by hand. 4. Turn the gas manual gas valve located on the outside of the unit clockwise ↻ to the off position. 5. Wa...
- 20 - vapors from flammable liquids will explode and catch fire causing death or severe burns. Do not use or store flammable products such as gasoline, solvents or adhesives in the same room or area near the appliance. Warning: do not install water heater where flammable products will be stored. Re...
- 21 - applications space heating applications the t-h1 can be used for potable hot water heating applications as well as space heating applications. Warning • toxic chemicals used in boiler treatments such as alcohol, glycerol and glycol group must not be introduced into the system when used for op...
- 22 - dual purpose hot water heating (domestic hot water and space heating combination system) priority control devices such as a flow switch, an aquastat or other electronic controller can be used to prioritize the domestic water system over the heating system. Warning: follow all local codes, or ...
- 23 - t-h1 with storage tank this illustration is a concept design only. The maximum flow rate through the t-h1 is 10.2 gpm. If it is necessary to achieve higher flow rates with full pressure for longer periods of time, then it can be installed in conjunction with a storage tank. A pump will be nec...
- 24 - optional items 1. Tm-re10 temperature remote controller the tm-re10 temperature remote controller has two functions. It allows the output temperature from the t-h1 to be adjusted within the range of 99°f to 182°f, and it also works as a diagnostic tool that will give a concise error code when...
- 25 - comp components diagram case assembly neutralizer assembly.
- 26 - burner assembly.
- 27 - water way assembly.
- 28 - computer board assembly.
- 29 - parts list part no. Part name 1 case assembly 2 intake air plate 3 front cover 4 back guard panel 5 bracket 6 screw m4x10 7 coating screw m4x10 8 coating screw w/washer m4x12 9 hose band 10 drain income hose 11 neutralizer thermistor 12 p screw m4x10 13 neutralizer cover 14 neutralizer gasket...
- 30 - 402 heat exchanger assembly 403 out thermistor 404 o-ring p4 405 fastener set “4-11” 406 hi-limit switch 407 pan screw m3x6 408 pipe appliance 409 pipe appliance fixing plate 410 over heat cut off fuse fixing plate 411 over heat cut off fuse 412 heat exchanger fixing plate 413 screw m4x10 414...
- 31 - out put temperature vs. Gpm (max. 10.2 gpm) with various ground water temperature correct gas pipe size can be expect this chart 0.0 2.0 4.0 6.0 8.0 10.0 12.0 out put hot water temperature out put hot water gpm 40 f 50 f 60 f 70 f 40 f 7.3 6.7 6.1 5.6 5.2 4.9 4.6 4.3 4.1 3.9 3.7 3.3 3.1 2.9 2...
