Page 38 - 2018_IMC

CHAPTER 3

GENERAL REGULATIONS

User note:
‘ About this chapter: Chapter 3 contains broadly applicable requirements that are necessarily placed in an overarching “general” chapter.
These general requirements would not be suitably located in any other chapter that is specific to unique subject matter. General requirements
include those related to installation, access, location, testing, structural and clearances.

SECTION 301 shall be in-plant if necessary, of the mechanical equipment
GENERAL and appliances to be labeled. The inspection shall verify
301.1 Scope. This chapter shall govern the approval and that the labeled mechanical equipment and appliances are
installation of all equipment and appliances that comprise representative of the mechanical equipment and appliances
parts of the building mechanical systems regulated by this tested.
code in accordance with Section 101.2. 301.8.2.1 Independent. The agency to be approved
301.2 Energy utilization. Heating, ventilating and air-condi- shall be objective and competent. To confirm its objec-
tioning systems of all structures shall be designed and tivity, the agency shall disclose all possible conflicts of
installed for efficient utilization of energy in accordance with interest.
the International Energy Conservation Code.
301.8.2.2 Equipment. An approved agency shall have
301.3 Identification. Each length of pipe and tubing and adequate equipment to perform all required tests. The
each pipe fitting utilized in a mechanical system shall bear equipment shall be periodically calibrated.
the identification of the manufacturer.
301.8.2.3 Personnel. An approved agency shall
301.4 Plastic pipe, fittings and components. Plastic pipe, employ experienced personnel educated in conducting,
fittings and components shall be third-party certified as con- supervising and evaluating tests.
forming to NSF 14.
301.9 Label information. A permanent factory-applied
301.5 Third-party testing and certification. Piping, tubing nameplate(s) shall be affixed to appliances on which shall
and fittings shall comply with the applicable referenced stan- appear in legible lettering, the manufacturer’s name or trade-
dards, specifications and performance criteria of this code mark, the model number, serial number and the seal or mark
and shall be identified in accordance with Section 301.3. Pip- of the approved agency. A label shall include the following:
ing, tubing and fittings shall either be tested by an approved
third-party testing agency or certified by an approved third- 1. Electrical equipment and appliances: Electrical rating
party certification agency. in volts, amperes and motor phase; identification of
individual electrical components in volts, amperes or
301.6 Fuel gas appliances and equipment. The approval watts, motor phase; Btu/h (W) output; and required
and installation of fuel gas distribution piping and equipment, clearances.
fuel gas-fired appliances and fuel gas-fired appliance venting
systems shall be in accordance with the International Fuel 2. Absorption units: Hourly rating in Btu/h (W); mini-
Gas Code. mum hourly rating for units having step or automatic
modulating controls; type of fuel; type of refrigerant;
301.7 Listed and labeled. Appliances regulated by this code
shall be listed and labeled for the application in which they cooling capacity in Btu/h (W); and required clearances.
are installed and used, unless otherwise approved in accor- 3. Fuel-burning units: Hourly rating in Btu/h (W); type of
dance with Section 105. fuel approved for use with the appliance; and required
Exception: Listing and labeling of equipment and appli- clearances.
ances used for refrigeration shall be in accordance with 4. Electric comfort heating appliances: electric rating in
Section 1101.2. volts, amperes and phase; Btu/h (W) output rating;
301.8 Labeling. Labeling shall be in accordance with the individual marking for each electrical component in
procedures set forth in Sections 301.8.1 through 301.8.2.3. amperes or watts, volts and phase; and required clear-
ances from combustibles.
301.8.1 Testing. An approved agency shall test a repre-
sentative sample of the mechanical equipment and appli- 301.10 Electrical. Electrical wiring, controls and connections
ances being labeled to the relevant standard or standards. to equipment and appliances regulated by this code shall be in
The approved agency shall maintain a record of all of the accordance with NFPA 70.
tests performed. The record shall provide sufficient detail 301.11 Plumbing connections. Potable water supply and
to verify compliance with the test standard. building drainage system connections to equipment and
301.8.2 Inspection and identification. The approved appliances regulated by this code shall be in accordance with
agency shall periodically perform an inspection, which the International Plumbing Code.

2018 INTERNATIONAL MECHANICAL CODE  21
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