Code And Standards Approvals; Packaging - Watts AERCO MLX EXT 321 Installation, Operation & Maintenance Manual

Modulating and condensing boilers
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Modulex Light Commericial Series
CHAPTER 4: Installation Instructions

4.2 CODE AND STANDARDS APPROVALS

The MODULEX EXT boiler has been reviewed for compliance with the applicable sections of
the following North American Standards:
ANSI Z21.13/CSA 4.9: Gas-fired low pressure steam and hot water boilers
ASME SECTION IV: ASME Boiler and Pressure Vessel Code with addenda, Section IV:
Rules for Construction of Heating Boilers
BTS – 2000: Testing standard method to determine efficiency of commercial space heating
boilers.
SCAQMD RULE 1146.2: Emissions of oxides of nitrogen from large water heaters and small
boilers and process heaters.
CSD-1: Controls and safety devices for automatically gas-fired boilers.

4.3 PACKAGING

The MODULEX EXT boiler is delivered assembled and protected by a plastic bag inside a
strong cardboard box and fixed on a pallet. This allows the boiler to be handled by a forklift.
CAUTION!
Remove both straps and the cardboard box from above, making sure the product is intact. The
packing elements (cardboard box, straps, plastic bags, etc...) should be kept away from
children, as these present suffocation and choking hazards.
AERCO refuses all liability for injury to persons, animals or damage to property derived from
not respecting the above mentioned recommendations.
In the packaging, in addition to the boiler, you will also find the contents listed below (see
Figure 4-1 and 4-2):
OMM-0087_J • GF-143 • 11/17/2020
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
Page 28 of 150

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