Modulex Light Commercial Series
CHAPTER 2: General Information
OMM-0158_A
• 6/28/2022 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page
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Installation and Servicing Personnel
Installation and servicing must be carried out in accordance with the regulations in force according
to th
e manufacturer’s instructions and by legally competent authorized persons. By definition, a
competent person is a person who has a specific technical qualification in the field of components
for central heating systems for domestic use, domestic hot water production, and servicing. This
person must have the qualifications legitimized by the current laws and regulations in force.
Inappropriate, incomplete, or irregular servicing could compromise the safe operation of the
appliance, and could cause injury to persons, animals or damage to property. The manufacturer
shall not be held liable for any such injury and/or damage.
Any repairs must be carried out by AERCO authorized technicians and using only original spare
parts. Non-observance of the above requirement may jeopardize the safety of the appliance and
void any warranties.
In the event of failure and/or faulty functioning of the appliance, switch off the boiler. Do not attempt
to make any repairs, but instead contact qualified technicians.
To guarantee the efficiency and correct functioning of the appliance it is required that the boiler be
serviced annually by a qualified person.
Installation Materials
The installations for the domestic hot water production MUST be built, in their entirety, with
materials (taps, pipes, fittings, etc.) approved for drinkable water.
Preparing Boiler for Servicing
Before carrying out any cleaning or servicing turn off the electrical supply to the boiler by means
of the ON/OFF switch and/or by means of the appropriate shutdown devices.
Returning a Boiler to Service
Before putting a boiler, which has been unused for a length of time, back into service, rinse the
entire domestic hot water system, allowing the water to flow an appropriate amount of time in order
to circulate throughout the entire system.
Change in Ownership
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 appliance
so that it can be consulted by the new owner and/or installer.
2.12 Operational Limits Of The Boiler
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Max. boiler temperature: 180° F
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Max Allowable Working Temperature ASME: 200 °F
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Max. Allowable Working Pressure ASME: 92 psi
