1 instruction manual printed 0911 322830-000 keep this manual in the pocket on heater for future reference whenever maintenance adjustment or service is required. Power vented gas models with hot surface ignition not for use in manufactured (mobile) homes all technical and warranty questions: should...
2 safe installation, use and service your safety and the safety of others is extremely important in the installation, use and servicing of this water heater. Many safety-related messages and instructions have been provided in this manual and on your own water heater to warn you and others of a poten...
3 general safety.
4 safe installation, use and service............................2 general safety..................................................................3 table of contents ............................................................4 introduction ..............................................................
5 for all side wall terminated, horizontally vented power vent, direct vent, and power direct vent gas fueled water heaters installed in every dwelling, building or structure used in whole or in part for residential purposes, including those owned or operated by the commonwealth and where the side w...
6 typical installation get to know your water heater - gas models a vent pipe–exhaust b vent terminal c vent adapter-rubber boot d blower assembly e cold water inlet f inlet water shut-off valve g union h inlet dip tube j anode** k hot water outlet l outlet receptacle (115 vac) m temperature-pressur...
7 non-scald mixing valve metal drain pan typical installation figure 2. Mixing valve usage this appliance has been design certifi ed as complying with american national standard/csa standard for water heaters and is considered suitable for: water (potable) heating and space heating: all models are c...
8 facts to consider about the location carefully choose an indoor location for the new water heater, because the placement is a very important consideration for the safety of the occupants in the building and for the most economical use of the appliance. This water heater is not for use in manufactu...
9 and 12" (30.5 cm) from the top. (standard clearance.) if clearances stated on the heater differ from standard clearances, install water heater according to clearances stated on the heater. Adequate clearance for servicing this appliance should be considered before installation, such as changing th...
10 chemical vapor corrosion of the fl ue, blower assembly and vent system may occur if air for combustion contains certain chemical vapors. Spray can propellants, cleaning solvents, refrigerator and air conditioner refrigerants, swimming pool chemicals, calcium and sodium chloride, waxes, bleach and...
11 water piping hotter water can scald: water heaters are intended to produce hot water. Water heated to a temperature which will satisfy space heating, clothes washing, dish washing, cleaning and other sanitizing needs can scald and permanently injure you upon contact. Some people are more likely t...
12 figure 10 shows the typical attachment of the water piping to the water heater. The water heater is equipped with 3/4 inch npt water connections. Note: if using copper tubing, solder tubing to an adapter before attaching the adapter to the cold water inlet connection. Do not solder the cold water...
13 the temperature-pressure relief valve must be manually operated at least once a year. Caution should be taken to ensure that (1) no one is in front of or around the outlet of the temperature-pressure relief valve discharge line, and (2) the water manually discharged will not cause any bodily inju...
14 figure 12. Gas piping with flexible connector. Figure 13. Gas piping with all black iron pipe to gas control valve. Sediment traps a sediment trap (drip leg) shall be installed as close to the inlet of the water heater as practical at the time of water heater installation. The sediment trap shall...
15 5. Make sure the on/off switch is in the off position and that the outer harness is connected from the blower control box to the connector on the bottom side of the gas control valve. 6. If the outer harness is not factory installed, make sure the on/off switch is in the off position and then con...
16 vent connections to blower assembly figure 15 shows the optimal placement of the 2" to 3" or 3" to 4" reducer; however, the vent can be reduced at any point in the vent system as long as the maximum and minimum vent length requirements are met. Figure 15. Venting and installation plan the layout ...
17 maximum and minimum vent lengths 40,000 btu units: for 2" venting, the maximum equivalent feet of pipe allowed is 40 feet (12.2 m). This does not include the supplied vent termination for the water heater. For the 2" venting, one 90° elbow is approximately equal to 5 feet (1.5 m). One 45° elbow i...
18 figure 16. This unit can vent through 2", 3" or 4" nonmetallic pipe and fi ttings. The vent pipe installation can be started from either the blower discharge or the termination wall. Keep in mind the total vent system (pipe and elbows) when installing the vent system, see venting and installation...
19 vent pipe preparation 1. Initial preparation a. Make sure the solvent cement you are planning to use is designed for the specifi c application you are attempting. B. Know the physical and chemical characteristics and limitations of the pvc and cpvc piping materials that you are about to use. C. K...
20 step a b. Deburring use a knife, plastic pipe deburring tool, or fi le to remove burrs from the end of small diameter pipe. Be sure to remove all burrs from around the inside as well as the outside of the pipe. A slight chamfer (bevel) of about 10°-15° should be added to the end to permit easier ...
21.
22 due to the nature of the typical gas water heater, the water temperature in certain situations may vary up to 30°f (16.7°c) higher or lower at the point of use such as, bathtubs, showers, sink, etc. It is recommended that lower water temperatures be used to avoid the risk of scalding. It is furth...
23 for your information start up conditions condensate whenever the water heater is fi lled with cold water, some condensate will form while the burner is on. A water heater may appear to be leaking when in fact the water is condensate. This usually happens when: a. A new water heater is fi lled wit...
24 venting system inspection at least once a year a visual inspection should be made of the venting system. You should look for: 1. Obstructions which could cause improper venting. The combustion and ventilation air fl ow must not be obstructed. 2. Damage or deterioration which could cause improper ...
25 installed in suitable area: to insure suffi cient ventilation and combustion air supply, proper clearances from the water heater must be maintained. See “locating the new water heater” section. Combustible materials such as clothing, cleaning materials, or fl ammable liquids, etc. Must not be pla...
26 leakage checkpoints read this manual fi rst. Then before checking the water heater make sure the gas supply has been turned “off”, and never turn the gas “on” before the tank is completely full of water. Never use this water heater unless it is completely fi lled with water. To prevent damage to ...
27 key no. Part description 1 burner assembly 2 burner head 3 burner orifi ce 4 burner tube 5 hsi ignition assembly 6 inner door 7 inner door gasket 8 flue baffl e 9 flue restrictor 10 blower assembly 11 air intake screen - base pan 12 inlet tube 13 gas control valve thermostat 14 drain valve 15 dra...
28 troubleshooting guidelines troubleshooting guidelines trouble shooting please check guidelines below. For your safety, water heater service should be performed only by a qualifi ed service technician. Read the general safety information section fi rst. N o i t u l o s m e l b o r p s u t a t s d ...
29 n o i t u l o s m e l b o r p s u t a t s d e l # 7 8 9 self diagnostic check has detected a problem with the gas valve driver circuit, internal microprocessor, or other internal circuits. 1 turn the power off for 10-20 seconds, then on again to clear these error codes. 2 if any of these error co...
30 these guidelines should be utilized by a qualifi ed service agent. When calling for service notify the service agent that this is a “flammable vapor ignition resistant” product. Troubleshooting guidelines troubleshooting guidelines figure 1 and 15. Page 9..
31 notes.
32 300 maddox simpson parkway lebanon, tn 37090 phone: 615-889-8900 • fax: 615-547-1000 technical services email: 2tech@lochinvar.Com www.Lochinvar.Com copyright © 2011 lochinvar llc. All rights reserved..