Engineered air DG series Información técnica Pagina 25

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A G-TRAC2 MANUAL
General Manual Revised: 03/15/99
Page
20
Note that if this system is to be used as a night heat package with the room temperature being set back to a
lower value then that used in the daytime, this system would require a separate night thermostat and a device
switching between the day and night thermostats. See Diagram D1 below.
2. "X" and "Z" Override (Day and night operation)
NOTE: The unit will not discharge at the Master set point setting. During day operation the discharge temperature
will be either:
Dial setting plus max upward reset, or
Dial setting minus max downward reset.
During night discharge as set on night set point pot (100° - 120°F)
The amount of reset is determined by pot 5. Refer to the table in the section on Modulating Room Reset.
(Section XVII, page 12). Note that the table shows a minimum temperature and a maximum temperature for the
discharge set point and pot 5 settings. (Reset amount is not linear). When using this reset system the discharge
temperature will modulate to maintain the minimum or maximum and will not operate at the discharge set point.
Dipswitch A-3 must be on to activate this feature.
S
SP
Y
X
Z
See additional Diagram 2
24 V SUPPLY
POWER
COMBUSTION MOTOR
HOT
FAN
Air Flow
Switch
NEUTRAL
E DMDM
C SA C1
FS
LL
N
IGN.
CONTROL
HS
Q
U
M
OR
S
SP
V
X
Y
Z
+
-
T1
T2
CB
PV PV
1
3
2
DM
AS
TE 6000
T
hermos
tat
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