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Modulex ext – AERCO Modulex EXT 1530 - 3060 User Manual

Page 33

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MODULEX EXT

1530, 1912, 2295, 2677, 3060 BOILERS

Installation, Operation & Maintenance Manual

In order to avoid ice formation while the boiler is operating, which can cause the boiler to stop

functioning, the entire condensate evacuation system must be well insulated. Note that it is

forbidden to evacuate the condensate through an open gutter to prevent the risk of ice forming

and avoid exposure of the corrosive condensate to the external environment.
The condensate must be neutralized before being evacuated to the sewer, which can be

achieved by mixing the condensate with lime or with drain water coming from washing

machines, dish washing machines, etc., which normally has a base pH.
The connection to the sewer will be through a closed, but visible drain. Given the high acidity

(pH 3 to 5) of the condensate, only plastic material may be used for the condensate evacuation

pipes. Moreover it must be dimensioned and constructed so as to allow the correct out-flow to

the drain, preventing any bottleneck and any leakage.
Consult local codes regarding condensate neutralization. Neutralization may be obtained by

mixing it with the buildings drain water or with limestone, which normally has a base pH.

AERCO International offers a condensate neutralizing kit and a neutalizing tank, for preparing

condensate waste for safe evacuation into a sewer system, if other means of neutralizing the

waste are not available.

Figure 3-9: MODULEX EXT Condensate Piping

The outlet of the condensate drain pipe exits from the right side of the boiler, just below the

RIGHT-SIDE flue outlet opening.

IMPORTANT NOTE

If it is not possible to use a 4’’ (101mm) base or housekeeping pad

on which to place the boiler, install the boiler on the floor and

provide a well or trough (minimum of 4’’ - 101 mm deep) in which to

lodge the U of the condensate piping. See Figure 3-9.

WARNING!

Before commissioning the boiler, fill the condensate siphon with

water, at the dedicated filling-up plug. See Figure 3-9.

Do not install the condensate drain where freezing may occur.

Use materials approved by the authority having jurisdiction in your area. In the absence of such

authority, PVC and CPVC pipe must comply with

ASTM D1785, F441 or D2665. Cement and

primer must comply with

ASTM D2564 or F493. For Canada, use ULC certified PVC or CPVC

pipe, fittings and cement.

Periodic cleaning of the condensate disposal system must be

carried out.

OMM-0095_0E

AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913

Page 33 of 138

GF-139

Phone: 800-526-0288

12/01/14