Modulex EXT Commercial Series Boilers User Manual
CHAPTER 2: General Information
Page 18 of 144 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0095_0H
09/15/2017 Phone: 800-526-0288 GF-139
2.11.4 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.
2.11.5 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.
2.11.6 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
•
Max. boiler temperature: 180° F (80° C)
•
Max Allowable Working Temperature ASME: 200 °F
• Max. Allowable Working Pressure ASME: 92 psi
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