Carrier BT30RF- EXPR Service & Installation Manual page 70

EXPLOSION PROOF REFRIGERATOR/FREEZER
The model 525D is also UL listed for storing
Flammable Materials. DO NOT MODIFY CABINET
OR REMOVE LABEL ON THE FRONT WHICH
SPECIFIES STORAGE LIMITS.
CONTAINER REQUIREMENTS
Refer to the latest edition of the following codes to
determine correct container requirements and the def-
inition of flammable or combustible liquids.
National Fire Protection Agency (NFPA) 45 Fire
Protection for Laboratories using Chemicals.
National Fire Protection Agency (NFPA) 99 Health
Care Facilities Chapter 7, Laboratories in Health-
Related Institutions.
NFPA Address: Batterymarch Park
Quincy, MA 02269
You must follow these codes when storing flammable
materials
The refrigerator/freezer complies
with the following:
1. U.L. Listed, Commercial Refrigerator/Freezer for
Haz-ardous Locations. Also Listed for Flammable
Materials Storage. Control number 47R6.
2. For use in Class 1, Division 1, groups C and D Haz-
ardous Locations. Operating Temperature Code, T4A.
3. Meets Requirements of OSHA 29CFR 1910.307.
4. Accepted for use: The City of New York
Department of Buildings
MEA 327-87-E
CAUTION:
TO PREVENT IGNITION OF HAZARDOUS
ATMOSPHERES, DISCONNECT THE PRODUCT FROM
THE SUPPLY CIRCUIT BEFORE OPENING ELECTRICAL
BOXES. KEEP ASSEMBLY TIGHTLY CLOSED WHEN IN
OPERATION.
For Satisfactory Operation
1. The cabinet should be free standing with a mini-
mum of 4" between the cabinet rear and the wall.
To allow air flow over the compressor and machin-
ery compartment, a minimum of 12" overhead
clearance should be provided.
2. Level cabinet so door will slowly close when held
open about 4" and released. This setting assures
self closing if the door is closed hard enough to
rebound open.
EXPLOSION PROOF REFRIGERATOR/FREEZER
ELECTRICAL SUPPLY REQUIREMENTS
The electrical power supply must be installed accord-
ing to the latest edition of the NATIONAL ELECTRI-
CAL CODE – specifically Article 510 – Hazardous
(Classified Locations - Specific). Appropriate materials
and wiring methods must be used in order to comply
with the current National Electrical Code for Class 1,
Group I and D area installation. All local and other
appropriate codes must be followed.
WARNING:
Be absolutely sure that the surrounding location has
been checked for the absence of explosive concentra-
tions before any electrical work is started.
Over current Protection: 15 amps. (If fuses are used
use time delay type.)
GROUNDING
WARNING:
For personal safety, this cabinet must be properly
GROUNDED. The ground wire to the cabinet must
be installed on the green screw located in the
conduit outlet box. (Refer to drawing.)
The conduit outlet box is where the incoming power
wires are connected to the cabinet wires.
The incoming ground wire must be properly installed
from the power supply. Consult a licensed electrician if
you have any doubt about this wire being properly
installed.
BT30RF-EXPR
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