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UHD STANDARD DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL
4
3.6 Ventilation
It is important to ensure that there is adequate air
space around the heater to supply air for
combustion, ventilation and distribution in
accordance with local and national codes on Page
9, Section 6.
3.7 Gas Supply
It is important that the gas supply pipe is sized
correctly to provide the inlet pressure as stated on
the heater data plate. The gas supply pipe and
electrical connections must not support any of the
heater's weight. See Page 16, Section 8.
3.8 Electrical Supply
A permanent 120 V / 1 Ø / 60 Hz electrical supply is
required for the main electrical power. The heater
also requires suitable controls in accordance with
Page 17, Section 9.
3.9 Vent
Choose heater orientation to allow for proper
location of the vent. Each heater must be fitted with
a correctly sized sealed vent system.
If vented horizontally, no other appliance may be
connected to the vent. See Page 9, Section 6.
WARNING
Carbon Monoxide Hazard
Heaters may be installed
vented or unvented.
Vented heaters must be
vented outdoors.
Unvented heaters must be
installed in buildings with
ventilation rates as per
section 6.4.
Failure to follow these
instructions can result in
death or injury.
Fire Hazard
Connect gas supply according to Figure 10.
Do not use gas supply pipe and electrical
connections to support heater’s weight.
Gas can leak if not installed properly.
Failure to follow these instructions can
result in death, injury or property damage.
WARNING
Electrical Shock Hazard
Disconnect electrical and gas supply before
servicing.
This appliance must be connected to a
properly grounded electrical source.
Failure to follow these instructions can result
in death or electrical shock.