180, 3
rd
Avenue, L’Islet, Quebec, G0R 2C0, CANADA
Tel.: (418) 247-3947, 1-800-463-7043, Fax: (418) 247-7801
www.ouellet.com
INSTALLATION INSTRUCTIONS
“OHV” Series 3 kW to 10 kW
WARNING
When using electrical appliances, basic precautions should
always be followed to reduce the risk of fi re, electrical shock
and injury to persons, including the following:
Read all instructions before using this heater.
- This heater is hot when in use. To avoid burns, do not let
bare skin touch hot surfaces. Keep combustible materials
at least 5 ft. (1524 mm) from the front of the heater and
keep them away from the sides and rear.
- Do not use outdoors.
- Do not insert or allow foreign objects to enter any
ventilation or exhaust opening as this may cause
an electrical shock or fi re, or damage the heater.
- To prevent a possible fi re, do not block air intakes
or exhaust in any manner.
- This heater has hot and arcing or sparking parts inside.
Do not use it in areas where gasoline, paint or fl ammable
liquids are used or stored.
- Use this heater only as described in this manual. Any
other use not recommended by the manufacturer may
cause
fi re, electrical shock, or injury to persons.
- This heater is not approved for use in corrosive
atmospheres, wet or very humid locations such
as marine, green house or chemical storage areas.
To reduce the risk of fi re or electrical shock:
- All wiring must be in accordance with National and
Local
Electrical
Codes.
- Heater must be grounded as a precaution against possible
shock.
- To avoid possible electrical shock, disconnect all power
at the main panel prior to wiring, cleaning or servicing.
- Verify the power supply voltage coming to the heater
matches the heater nameplate rating (on back of heater)
before energizing heater.
- Use minimum 600 Volts, 60 °C wire only.
- When installed, heater must be electrically grounded
in accordance with the National Electrical Code.
- See Figures 1 & 3 and Tables 1 & 3 for minimum
mounting
clearances.
CAUTION
To prevent possible overheating - or damage due
to overheating - keep at least 5 ft. (1524 mm) clearance
in front of heater.
See Tables 1 & 3 for side, ceiling and back minimum
mounting clearances.
Wall / Ceiling structures and anchoring provisions must be
of suffi cient strength to support the combined weight of the
heater and mounting bracket. See Table 5.
LOCATE HEATERS PROPERLY
Heaters may be mounted for either horizontal or vertical
heated air discharge.
Note:
Install accessories in accordance with their
installation instructions prior to mounting heater.
HEATER INSTALLATION
Horizontal Air Discharge Mounting
The factory supplied wall / ceiling brackets may be used
or threaded rod (not supplied) may be used.
See Figure 2 and Table 2 for threaded rod size and spacing.
Table 1 - Minimum Clearances
Heater
kW
Discharge
Air
A
Ceiling
B
Side
C
Back
0.5 to
5.0 kW
Horizontal
3-1/2 in.
89 mm
6 in.
152 mm
6 in.
152 mm
5.1 to
10.0 kW
Horizontal
4 in.
102 mm
6 in.
152 mm
6 in.
152 mm
Figure 1 - Minimum Clearances
Figure 2 - Threaded Rod Spacing Dimensions
Horizontal Air Discharge
Table 2 - Threaded Rod Spacing Dimensions
Horizontal Air Discharge
Heater
kW
Threaded
Rod
E
F
G
H
0.5 to
5.0 kW
5/16 - 18
6 1/2 in.
165 mm
4 1/2 in.
115 mm
6 in.
152 mm
7/16 in.
11 mm
5.1 to
10.0 kW
5/16 - 18
12 in.
305 mm
5 in.
127 mm
6 in.
152 mm
7/16 in.
11 mm
Vertical Air Discharge Mounting
Threaded rod (not supplied) must be used.
See Figure 4 and Table 4 for threaded rod size and spacing.
If heater is mounted with control compartment toward wall
insure that heater is mounted with enough clearance to the
wall (minimum = width of heater) to allow the control
compartment access door to open.
Table 3 - Minimum Clearances
Heater
kW
Discharge
Air
A
Wall
B
Wall
C
Ceiling
D
Wall
0.5 to
5.0 kW
Vertical
6 in.
152 mm
6 in.
152 mm
6 in.
152 mm
Width of
heater
5.1 to
10.0 kW
Vertical
6 in.
152 mm
8 in.
203 mm
10 in.
254 mm
Width of
heater
Figure 3 - Minimum Clearances
