Chromalox
®
DIVISION
4
SECTION
CVEP
SALES
REFERENCE
DATE
SERVICE REFERENCE
Installation, Operation
and
RENEWAL PARTS IDENTIFICATION
PF457-8
JUNE, 2010
(Supersedes PF457-7)
161-302639-001
GENERAL
INSTALLATION
NOTICE: Carefully remove heater from carton and check for
shipping damage. Any damage claims should be entered
immediately with the carrier.
Type CVEP Convection Heaters are designed for use in Class
I, Div I hazardous environments. Units without control options
are suitable for areas classified as Groups B, C & D. Units with
built-in controls can be supplied for groups C and D or B, C and
D. Refer to classification stamped on heater nameplate.
FIRE/EXPLOSION HAZARD.
To prevent ignition of haz-
ardous atmospheres, this heater should not be installed in
areas where vapors or gases having an ignition tempera-
ture less than 280˚C (536˚F)(T2A) at 1.8kW, 3.6kW, 4.5kW,
7.6kW, 9.0kW or 180˚C (356˚F)(T3A) at 1.6kW, 3.2kW,
4.0kW are present.
These heaters must not be operated in ambient tempera-
tures exceeding 40˚C (104˚F).
1.
Connect air heaters to the same line voltage as on heater nameplate.
2.
Heaters can be mounted individually end to end.
3.
Heaters can be mounted directly on any type of surface masonry,
concrete, block, plastered walls, metal framework, etc.-using
appropriate hardware.
4.
All controls such as thermostat and contactor, when required must
have the same explosion-proof rating as heater.
5.
Do not install one unit above the other.
6.
Units are mounted a minimum of 8” above the floor.
7.
Heaters are mounted on wall in a horizontal position with termi-
nal end at right.
Never
recess heater into wall.
8. NOTE:
Article 500 of the National Electric Code (NEC) out-
lines requirements for installation of electrical equipment in haz-
ardous (Classified) locations.
9.
All unit electrical installation fittings, conduit, wiring and seals
must meet NEC and local codes for hazardous locations. External
line fusing or circuit breaker protection is required.
10.
Failure to understand and follow these installation instructions
and the “WARNING” notes contained therein may result in
severe personal injury, death or substantial property damage.
E L E C T R I C S H O C K H A Z A R D . A n y i n s t a l l a t i o n
involving electric heaters must be performed by a
qualified person and must be effectively grounded
in accordance with the National Electrical Code to
eliminate shock hazard.
ELECTRIC SHOCK HAZARD. Disconnect all power
before installing or servicing heater. Failure to do so
could result in personal injury or property damage.
Heater must be installed by a qualified person in accor-
dance with the National Electrical Code, NFPA 70.
1.
Remove front panel by removing screws.
2.
Locate desired heater position on wall.
3.
Locate mounting holes for rear panel. Rear panel must be a mini-
mum of 8” from the floor.
4.
Refer to Figure 1A, 1B or 1C for mounting hole layout for each
cabinet size.
5.
Drill a pilot hole in wall mounting surface at each mounting hole
location. Use a convenient small size drill.
6.
Drill the mounting holes in accordance with size in Table 1. Insert
anchors where applicable.
7.
Fasten rear panel to wall with screws noted in Table 1.
8.
Replace front panel and screws.
FIRE HAZARD. Never operate heater with front panel
off. Adequate air flow across heating elements
requires the front panel to be in place. The heating
elements could overheat causing equipment damage
or personal injury.
Type CVEP-C
Convection Air Heater for Hazardous Locations
© 2010 Chromalox, Inc.