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61UH-PRC002-EN
Mechanical
Specifications
Tubular Heat Exchanger
Indoor Gas Unit
Unit is completely factory assembled,
piped, wired and test fired. Unit is AGA
and CGA certified, over 80 percent
thermal (combustion) efficient. These
propeller type units are provided with
aluminized tubular heat exchanger, in-
shot burner, hot surface pilot ignition,
individually adjustable and removable
louvers, 100 percent baked enamel
finish, 115/60/1 supply voltage,
removable access door on size 30 to
75 MBh, and hinged access control panel
on 100 to 400 MBh, power vented,
single-stage combination gas valve, two-
stage available on 100 to 400 MBh, 24V
control transformer and 115/60/1 volt fan
motor with internal overload protection.
The size 30 to 90 are available in low
profile design.
Residential Garage Certified
The GTNDR unit heaters are AGA and
CGA certified for installations in
residential garages. With this certification
and the low profile design, these GTNDR
models are ideal for residential garage,
commercial and industrial installations.
Tubular Heat Exchanger
Heat exchanger construction consists of
20-gauge aluminized steel. The tubular
design provides maximum and uniform
heat transfer. The low pressure drop
enables heated air to be evenly
distributed. The curved, non-welded
serpentine design, experiences less
thermally induced stress making it
highly durable for longer service life.
Cabinet
The cabinet is constructed of 20-gauge
cold rolled steel. All components are
individually electrostatically painted.
Hot Surface Pilot Ignition
This ignition is constructed of shock
resistant ceramic composite hot surface
element. This system does not permit
pilot gas to flow unless the hot surface
element is present and powered. The low
voltage hot surface element lights the
pilot quickly for fast heat delivery. All
wiring is 24V with no line voltage in the
burner area.
Venting
The tubular design is AGA/CGA certified
in accordance with
Categories I and III venting
requirements. Category I enables units
to be vented vertically with either single
or double wall venting material.
Category III allows for horizontal venting
utilizing single wall venting material.
This venting flexibility makes
installation easier and more cost
effective.
Control Accessibility
All controls are easily accessible with
ignition and fan controls located in one
centrally located control panel. The
removable door on size 30 to 75 MBh
and the hinged access door on the 100
400 MBh provide control isolation.
Motor –115V ODP
Motor is 115V, 60 Hz, single phase, open
drip-proof with built-in thermal overload
protection.
Optional Feature
Motor — 115V totally enclosed.
Motor is 115V, 60 Hz, single phase,
totally enclosed with built-in thermal
overload protection.
Warranty
The heat exchanger, flue collector and
burners are covered by a 10 year
warranty from the date of manufacture.