Install Instructions

BACNET® FIXED FUNCTION THERMOSTAT
31-00093—03 6
For a complete application configuration guide, refer to
the BACnet Fixed Function Thermostat System
Engineering Guide (31-00098) and WEBs-AX
Configuration Guide (31-00097)
TO ACCESS THE ISU SCREENS
1. From the home screen, press SYSTEM (left side of
the screen). Five blank touch keys will appear at the
bottom of the screen.
2. Press and hold the two blank keys on either side of
the center key for approximately five seconds (see
Fig. 7).
3. If a password (PIN) code is required, use the top
arrows to select the first two digits of the code and
the bottom arrows to select the third and fourth dig-
its of the code, and then press DONE.
The ISU screen appears.
4. Use the arrows to select parameters and values. See
Table 3 for details.
5. Press DONE.
NOTE: After five minutes of inactivity, the ISU
screen reverts to the main screen.
Table 3. ISU Parameters.
ISU Parameter Code Description Allowed Values
120 Year, first 2 digits 19-21
130 Year, second 2 digits 00-99 (00-54 if ISU 200=21)
140 Month 1-12
150 Day 1-31
160 Schedule format BV-133 0 – not programmable (BV-133=0) 4 – 7 day programmable (BV-133=1)
280 Backlight control BV-79 0 – on for 20 seconds after keypress
1 – low always on, bright after keypress
320 Swap English/Metric BV-69 1 – show opposite units to specified in DDC header
330 Daylight saving
AV-127
0 – off; no automatic adjustments
1 – pre 2007 scheme
2 – 2007 and later scheme
500 Filter change reminder
AV-124
0 – reminder not used
1 – 10 days
2 – 30 days
3 – 60 days
4 – 90 days
5 – 120 days
6 – 365 days
510 Hum pad change reminder
AV-125
0 – reminder not used
1 – 90 days
2 – 180 days
3 – 365 days
520 UV lamp change reminder
AV-126
0 – reminder not used
1 – 365 days
540 Program periods
AV-129
2 – Wake/Sleep
4 – Wake/Leave/Return/Sleep
640 Clock format
BV-83
12 – 12 hour (BV-83=0)
24 – 24 hour (BV-83=1)
670 Keypad lock
AV-128
0 – no lock
1 – access temperature settings only
2 – fully locked
700 Sensed room temperature offset (AV-138) -4 to +4 degrees F
701 Sensed room humidity offset (AV-139) -5% TO +5%
Humidity cannot be adjusted above 100% or below 0%.
702 Sensed outside air temperature offset (AV-140) -4 to +4 degrees F
703 Sensed outside humidity offset (AV-141) -5% TO +5%
Humidity cannot be adjusted above 100% or below 0%.
800 MS/TP MAC 0-127