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SECTION 3: CRITICAL CONSIDERATIONS
3
SECTION 3: CRITICAL CONSIDERATIONS
3.1 Basic Information
Cabinet heaters are supplied with burners suitable
for on/off operation as standard. As an option, oil-
fired burners are available with two-stage operation
and gas-fired burners are available with full
modulation.
3.2 Location and Suspension
All models:
• Are designed to be installed indoors within the
heated space. Special versions are available for
installation outdoors.
• Are designed for floor standing vertical installa-
tion.
• Must be installed in a manner which allows all
the upper panels and either of the lower side
panels to be removed to provide access to all
serviceable components.
• Must be placed on a firm, level, non-combustible
surface that can support its weight. See Page 5,
Section 4.1 for weight details.
Horizontal models:
• Special versions supplied with steel channels to
support the heater are available and may be
mounted horizontally. When installed horizon-
tally, the heater will normally lie on its left side
when viewed from the burner. The same clear-
ances and comments on panels must be used,
except for the side the heater lies on.
3.3 Minimum Required Installation Clearances
Clearances around the heater and flue must be as
indicated on Page 4, Figure 1 and Page 13, Figure 4
through Figure 5 to ensure access for servicing, and
correct operation.
3.4 Clearances to Combustibles
Clearances must be as indicated on Page 4, Figure
1. If no clearances to combustibles are indicated,
then installation clearances apply.
3.5 Ventilation
It is important to ensure adequate air circulation
around the heater to supply air for combustion,
ventilation and distribution in accordance with local
and national codes.
3.6 Fuel Supply
It is important that the fuel supply pipe is sized
correctly to provide the inlet pressure as stated on
the heater data plate. The fuel supply pipe and
electrical connections must not support any of the
heater's weight.
3.7 Electrical Supply
A permanent 230 V, 50 Hz, 1 Ø is required on
models 15 to 30 and 400 V, 50 Hz, 3 Ø and neutral
required on models 40 to 100 (special version PGP
and POP 040 and 050 models are available as belt
drive). The heater also requires suitable energy
controls in accordance with Section 9.
ON/OFF control, temperature control, time control,
and frost protection are available as a remote
control, which needs to be site wired for proper
operation of the heater. Alternatively, any remote
energy controls may be used which must be wired in
accordance with Section 9.3 through Section 9.10.
3.8 Flue
Choose heater siting to allow for the proper location
of the flue. Each heater must be fitted with an
individual and correctly sized sealed flue system
(See Page 13, Section 6).