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Chapter 1: general information, 1 correct use of the appliance, 2 water treatment – AERCO Modulex EXT 1530 - 3060 User Manual

Page 7: 3 information to be made available to the user

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MODULEX EXT

1530, 1912, 2295, 2677, 3060 BOILERS

Installation, Operation & Maintenance Manual

CHAPTER 1: GENERAL INFORMATION

1.1 Correct Use of the Appliance

The MODULEX EXT boiler has been designed utilizing the latest heating technologies and in

compliance with current safety regulations. However, if not used or operated properly, the unit

may cause injury or death to persons, or serious damage to the equipment or surrounding objects.
The MODULEX EXT boiler is designed to be used in pumped hot water central heating systems.

Any other use of this appliance shall be considered improper, and AERCO declines any

responsibility for damages or injuries caused by the improper use of this equipment. In order to

use the equipment appropriately and safely according to its design, it is essential to carefully

follow the instructions in this manual.

1.2 Water Treatment

It is vital to maintain the pH of boiler water between 6.5 and 8. Failure to do so could result in

severe damage to the boiler.

The hardness of the main water supply influences the frequency with which the heat

exchanger must be cleaned.

In hard water areas where the main water can exceed 15°f total hardness, a scale reducing

device is recommended.

In order to improve the resistance to lime scale it is recommended that the domestic hot water

temperature be as near as possible to the temperature required for end use.

AERCO recommends inspecting the state of cleanliness of the domestic hot water heat

exchanger at the end of the first year and subsequently, on the basis of the lime scale found,

this period can be extended to two years after the initial inspection.

1.3 Information to Be Made Available to the User

Go through the information in this manual with the owner/operator and make sure that he or she is

familiar with all necessary operating instructions, in particular:

These instructions shall be made available to the end user, together with any other

literature regarding this appliance. It is highly recommended that the user keep these

documents in a safe and convenient place in order to always have them at hand for future

reference.

It is imperative that a proper venting and exhaust system be implemented with this unit.

Refer to the AERCO Venting Application Guide (GF-115-V).

It is absolutely forbidden to make any alterations to the boiler not in keeping with the

manufacturers recommendations and instructions.

It is critical to check the system’s water pressure and ensure it is at the correct pressure.

For optimal operation of time and temperature controls, thermostats, heating controls, and

radiators, refer to separate E8 Controller User Manual (GF-115-C).

It is obligatory to carry out comprehensive maintenance services annually with a

combustion analysis every two years (in compliance with national and local laws).

If the appliance is sold or transferred to another owner, or if the present user moves from

the installation site and leaves the appliance installed, ensure that the manual stays with

the boiler so that it can be consulted by the new owner and/or installer.

OMM-0095_0E

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

Page 7 of 138

GF-139

Phone: 800-526-0288

12/01/14