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Modulex Light Commericial Series
CHAPTER 2: General Information
CHAPTER 2: GENERAL INFORMATION
2.1 CORRECT USE OF THE APPLIANCE
The MODULEX EXT boiler has been designed utilizing the latest heating technologies and in
compliance with the 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.
2.2 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. The choice of this device has to be made taking into consideration the
characteristics of the water.
•
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.
2.3 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-136-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-136-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-0087_J • GF-143 • 11/17/2020
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
Page 11 of 150
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