Honeywell Design and Application Technical Reference Manual page 25

OUTSIDE
AIR
21˚F (-6 C)
Return Air
Temperature X
6. Use the mixed air temperature formula or the graph:
68°F (20°C) X
_____°F (____°C)
NOTE: Note use this formula to determine
DCV maximum MAT and Minimum
position MAT.
7. Close the outside air dampers to the
minimum position.
The method used for this depends upon
the controller being used.
8. On analog economizers, turn the DCV
maximum control (potentiometer) until the
measured mixed air temperature is
_____°F (_____°C). When using the
TM
JADE controller, go to the set point
RETURN
AIR
68˚F (20 C)
+
S
COMMERCIAL
THERMOSTAT
% of Outside Air
Return Air + Temperature X
____% + 21°F (-6°C)
+
FILTERS
SUPPLY OR
MIXED AIR
SENSOR
CONTROLLER
Outside Air =
X ____%
_____°F (_____C)
menu and adjust the Vent max setting
using the up and down arrows on the
keypad.
9. Mark this setting on the control as being
36% outdoor air.
10. On analog economizers, turn the
minimum position until the measured
mixed air temperature is _____°F
(_____°C). When using the JADE
controller, go to the set point menu and
adjust the Vent min setting using the up
and down arrows on the keypad.
11. Mark this setting on the control as being
_____% outdoor air.
12. Restore all settings and setpoints.
19
Section 1 - Ventilation
SUPPLY
AIR
ADJUST THIS SETTING
UNTIL THE MIXED AIR
IS ___˚F (___ C)
M23919B
% of Temperature
of Mixed Air
Temperature of
=
Mixed Air
_____°F (____°C)
Honeywell Economizers 63-8594-02
TM