EWHB Series Industrial / Commercial Electric Unit Heater /Warnings, Page 1
23-2180-83-5REZ
IMPORTANT INSTRUCTIONS
Installation and maintenance personnel should familiarize themselves with this manual and all the
IMPORTANT INSTRUCTIONS
before installing or working on this heater to avoid potential unsafe
conditions, severe property damage, personal injury or death.
1. Read all instructions before installing and
operating this heater.
2. Verify that the supply voltage and phase to
the heater matches the nameplate rating
before energizing.
3. Potentially lethal voltages are present. Be
sure to lock the branch circuit disconnect
switch in the OFF position and tag the
circuit “Out for Maintenance” before
working on this equipment.
4. Keep electrical enclosure cover tightly
closed while in operation.
5. Hazard of Electric Shock. Heater must be
grounded in accordance with both local and
national codes.
6. This heater should be installed by a licensed
electrician familiar with all applicable
national and local codes having jurisdiction.
It is the responsibility of the installer to
verify the safety and suitability of the
installation.
7. Disassembly of the unit for installation is
not required or authorized.
8. Replacement electrical components must
be obtained from the factory in order to
maintain any applicable Agency Listings.
9. Use this heater only as described in this
manual. Any other use is not recommended
by the manufacturer and may result in fire,
electric shock or personal injury.
10. The heater and discharge air are hot when
in use. To avoid burns, do not let bare skin
touch hot surfaces.
11. To prevent a possible fire, do not block or
allow foreign objects to enter air intakes or
exhaust in any manner.
12. Risk of fire due to high temperatures. Keep
electrical cords, drapery, furnishings,
insulation and other combustibles at least 3
feet (0.9m) from the front of the heater and
away from the sides, rear and top.
13. Installation minimum mounting clearances
specified both on heater nameplate and in
this owner’s manual must be maintained.
14. Use copper wire rated 90°C min. for supply
connections.
15. This heater should not be used in
potentially explosive atmospheres. Do not
use in areas where gasoline, paint, or
flammable liquids are used or stored.
16. Do not use outdoors. Heater may be
washed down with water for cleaning. Do
not use high pressure cleaning systems.
17. Risk of fire. Do not use as a residential or
household heater.
18. Heater is designed to be controlled by a
room thermostat located within the
operating space that will control the room
temperature below 80°F (26.7°C). Do not
allow heater to cycle on the built-on limit
controls.
19. The heaters are designed for permanent
wall or ceiling mounting in a horizontal
position only.
20. Do not operate heater after it malfunctions.
Disconnect power at service panel and have
heater inspected by a reputable electrician
before reusing.
21. SAVE THESE INSTRUCTIONS.
WARRANTY WILL BE VOID IF INSTRUCTIONS ARE NOT FOLLOWED.
