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T7560A,B,C DIGITAL WALL MODULES
OPERATION OF THE DWM
bypass
CVAHU W7750
VAV W7751H
FCU W7752
UV W7753
RIO W7761
N/A
FCU W7754
HYD W7762
CHC W7763
*Minimum software version which the Excel 10 controllers must have in order for them to be able to provide, via terminal 5 of the
respective wall module, a) power and b) additional information on the controller's status for display in the LCD.
General
The T7560A and T7560B feature three buttons, a setpoint
dial, and the LCD display (see Fig. 2). This section describes
the functions of these elements. Table 5 shows the functions
available with the different Excel 10 Controllers.
Fig. 2. Control elements of DWM.
NOTE: If not specified differently, the graphics given below
show example display settings; depending on
configuration, the actual indications may vary from
those shown hereinafter.
Set Temperature
Depending on the configuration, you can adjust the
temperature within the limits given below:
°C absolute
°C relative
°F absolute
°F relative
Turn the SETPOINT DIAL
up/down to decrease/increase
the room temperature setpoint.
The display toggles the setpoint
value (either relative or absolute,
as configured).
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Table 5. Supported DWM functions with Excel 10 Controllers
unit enable
fan override
N/A
N/A
N/A
N/A
N/A
⇒ 12 to 30°C (in 0.5 steps)
⇒ -5 to +5 (in 0.5 steps)
⇒ 55 to 85°F (in 1.0 steps)
⇒ -10 to +10 (in 1.0 steps)
setpt.
humidity
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
After the new setpoint has been
set, the display returns to normal
mode after approx. 5 sec.
Set Fan Speed
The manually set fan speed is represented by a bargraph.
Depending on configuration, the fan speed can be set as
follows:
Three-speed fan override
Two-speed fan override
Fan mode override
NOTE: The default setting after power-up is AUTO. The
manually set fan speed overrides the controller's
control algorithm.
Three-speed fan override
Press the FAN OVERRIDE button to toggle between:
AUTO
(fan speed from controller)
MANU OFF
(fan off)
With this setting, depending on
configuration, the display may
also read:
MANU 1
(fan speed 1)
MANU 2
(fan speed 2)
MANU3
(fan speed 3)
Two-speed fan override
Press the FAN OVERRIDE button to toggle between:
AUTO (fan speed from controller; display: see above)
MANU OFF (fan off; display: see above)
MANU 1 (fan speed 1; display: half bargraph)
MANU 2 (fan speed 2; display: full bargraph)
Fan mode override
4
controller SW
room temp.
requirements*
--
1.02.15
1.00.04
--
--
1.00.02
1.00.03
1.00.03
AUTO
⇒ AUTO, OFF, 1, 2, 3
⇒ AUTO, OFF, 1, 2
⇒ AUTO, OFF, ON
AUTO
MANU
MANU
MANU
MANU
MANU
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