Warnings - Chromalox HD3D Installation, Operation And Maintenance Instructions

Warnings

Failure to understand and follow these instructions and
the "WARNING" notes therein may result in serious
personal injury from electrical shock, or from the heater
falling due to faulty installation.
This heater is not intended for use in hazardous
atmospheres where flammable vapors, gases,
liquids or other combustible atmospheres are
present as defined in the National Electrical
Code. Failure to comply can result in explo-
sion or fire. For these applications see Product
Data Sheet PDS CXH-EP (PF305).
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 accordance with the
National Electrical Code, NFPA 70.
General Information
HD3D Hose Down Heater
Heating
Element
Code Rating (kW)
200
2.0
300
3.0
500 5.0
750 7.5
1000 10.0
1250 12.5
Code
L
PS
T
S
P
D
M
E
HD3D -2000 LPSTSPDME
Heating
Element
Code Rating (kW)
1500
15.0
2000
20.0
2500 25.0
3000 30.0
3500 35.0
4000 39.0
Option
Low-Voltage 24V Control
Epoxy Painted Case
Thermostat
Summer Fan Switch
"On" Pilot Light
Disconnect Switch
Manual Reset Overtemperature
Cutout
Monel Elements
Typical Model Number
ELECTRIC SHOCK HAZARD. Any installation
involving electric heaters must be performed
by a qualified person and must be effective-
ly grounded in accordance with the National
Electrical Code to eliminate shock hazard.
Do not mount mercury type thermostat directly on unit.
Vibration could cause heater to malfunction.
Fan blade rotation must be checked. If airflow is not
moving out through the louvers, interchange any two of
the three customer power leads on three-phase units
only.
FIRE HAZARD. To prevent personal injury or
property damage, do not operate heater near
combustible objects, restrict aiflow or use for
purposes other than described.
Chromalox does not guarantee its products against
corrosion. To ensure proper operation and service life,
contact your local Chromalox sales office for applica-
tion assistance.
Dimensions
B
A
Dimensions in Inches (cm)
kW A
2.5 - 7.5 13-1/2 (34)
10 - 20 17-1/4 (44)
25 - 39 21-1/4 (54)
3
C
B C
24-1/2 (62) 15 (38)
28 (71) 15-1/8 (38)
32-1/4 (82) 19-1/2 (50)