TempMaster OmniElite, Engineering Manual, Page: 16 / 80

TEMPMASTER 16
FORM TPM3-EG1 (518)
The curb should be located according to the location recommendations above, and
properly sealed to prevent moisture and air leakage into and out of the duct system.
Flexible collars should be used when connecting the ductwork to prevent unit noise
transmission and vibration into the building.
Ductwork should be supported independently of the unit.
TABLE 1 - SUPPLY AIR DUCT CONN CONFIGURATIONS
UNIT CONFIGURATION
SUPPLY AIR
BOTTOM LEFT RIGHT
TMAL
120–150
STANDARD CABINET
Cooling only X X X
Cool/electric heat X
Cool/gas heat X X
Cool/hydronic heat X
EXTENDED CABINET
Cooling only X X X
Cool/hydronic heat X X X
TABLE 2 - RETURN AIR DUCT CONNECTION CONFIGURATIONS
UNIT CONFIGURATION
RETURN AIR
BOTTOM FRONT
TMAL
120–150
No exhaust
X X
Barometric
relief damper
X X
Powered exhaust fan (all types)
X X
Powered return fan X
UNIT ORIENTATION
For applications with multiple single package units located in close proximity on the roof,
the orientation of the unit may be important to reduce the potential for re-entrainment of
outside airflow. Regardless of the outside air and exhaust air openings on a unit, all single
package unit applications can permit recirculation of exhaust air to the return, if applied
improperly.
HORIZONTAL APPLICATIONS
The spectrum of applications for single package units in today’s market is continuing to
grow wider by the day. Flexibility in unit design and construction is a must in today’s mar-
ket in order to ensure safe and sound applications of HVAC equipment. The TempMaster
OmniElite has been designed for specific application of horizontal supply and return air-
flow taking the guess work out of unit application by building a unit specific to these needs.
If the application calls for horizontal supply and return air, TempMaster can ship it from the
factory as a horizontal unit. This option eliminates the need for field modification of equip -
ment saving time and money. The TempMaster OmniElite can support a left discharge on
all units except electric heat and/or right discharge on all cooling only units and hydronic
heat units with an extended cabinet. Return air can be brought through the front or bottom
return air inlet making the unit specific to building needs.
Application Data (Cont'd)