Installation & Operation Manual

4 Sidewall direct venting (continued)

Sidewall termination – optional concentric vent: Models 400 - 601 Only

Description and usage

Lochinvar offers an optional concentric combustion air and vent pipe termination kit (#CVK3007 for 4" (102 mm) diameter - Models 400 - 601). Both combustion air and vent pipes must attach to the termination kit. The termination kit must terminate outside the structure and must be installed as shown below in FIG. 4-7.

Field supplied pipe and fittings are required to complete the installation.

The required combustion vent pipe materials are listed in Table 3A, on page 18 of this manual.

Figure 4-7Concentric Sidewall Termination - Models 400 - 601

OVERHANG

OR ROOF

12" (305 MM)

MIN

3.You must consider the surroundings when terminating the vent and air:

a.Position the vent termination where vapors will not damage nearby shrubs, plants or air conditioning equipment or be objectionable.

b.The flue products will form a noticeable plume as they condense in cold air. Avoid areas where the plume could obstruct window views.

c.Prevailing winds could cause freezing of condensate and water/ice buildup where flue products impinge on building surfaces or plants.

d.Avoid possibility of accidental contact of flue products with people or pets.

f.Do not terminate above any door or window. Condensate can freeze, causing ice formations.

g.Locate or guard vent to prevent condensate damage to exterior finishes.

Figure 4-8Kit Contents_CVK3007 - Models 400 - 601

RAIN CAP

6" (152 MM) TO 4" (102 MM) REDUCER

6" (152 MM) DIA.

12" (305 MM)

MIN

GRADE / SNOW LINE

Sidewall termination installation

1.Determine the best location for the termination kit (see FIG. 4-7).

2.The total length of piping for vent or air must not exceed the limits given in the General Venting section on page 21 of this manual.

6" (152 MM) DIA.

4" (102 MM) DIA.

"Y" CONCENTRIC FITTING

6" (152 MM) DIA.

"FLEXIBLE" PIPE COUPLING

4.Cut one (1) hole (7 inch (178 mm) diameter for #CVK3007 installations into the structure to install the termination kit.

5.Partially assemble the concentric vent termination kit. Clean and cement using the procedures found in these instructions.

a.Cement the Y concentric fitting to the larger kit pipe (FIG. 4-8).

b.Cement the rain cap to the smaller diameter kit pipe (FIG. 4-8).

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Lochinvar 400, 801 operation manual Description and usage, Sidewall termination installation

400, 801 specifications

The Lochinvar 801,400 is a cutting-edge solution in the realm of high-efficiency commercial water heating. This model represents a significant advancement in the design and functionality of water heaters, catering primarily to the demands of large-scale facilities like hotels, hospitals, and large industrial operations.

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