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CONTEMPORARY CONTROLS BAST-421C-B2 BACnet Communicating Thermostat User Manual
°C Scale
°F Scale
Step
Item
Mnemonic
Description
Default
Range
Default
Range
0: N.O.
1: N.C.
E13
ESI
rE-C
rE-H
ESI (DI1) digital sensor contact definition
0
0~1
0
0~1
0~1
0~1
0
0
0~1
0 (direct)
1 (reverse)
Modulating Cooling direct/ reverse signal
output
0
0
E14
E15
0~1
0 (direct)
1 (reverse)
Modulating Heating direct/ reverse signal
output
0: built-in
Present Temperature is getting from built-in
temperature Sensor, remote temperature
sensor, or assigned through communication
1: remote sense
2: assigned
through
E16
rS
0
0~2
0
0~2
BACnet
Display present temperature value of or
current set-point for LCD
0: display PV
1: display SP
E17
E18
-SP-
door
0
0
0~1
0~1
0
0
0~1
0~1
0: N.O.
1: N.C.
Door or Windows contact definition (not
applicable to all models)
0: stop
1: low
0
0
0
E19
LFAn
Lowest Fan speed in Auto fan mode
0~1
0~1
E20
E21
Pct
Output Percentage (not used)
Baud Rate
0
0~100
0~100
1%
9.6 kbps
19.2kbps
38.4kbps
57.6kbps
76.8kbps
0~AdrH
9.6 kbps
19.2kbps
38.4kbps
57.6kbps
76.8kbps
0~AdrH
38.4
38.4
Baud**
(depends
on Model
Number.)
(depends
on Model
Number.)
1
1
E22
Addr**
MS/TP MAC Address
(Default:
0~127)
(Default:
0~127)
E23
E24
devH
Device instance no. - Hi bytes
Device instance no. - Low bytes
100
1
0~4194 100
0~4194
1
1
0~999
(ifID-H
0~999
(ifID-H
<=4193)
1
dEUL**
<= 4193)
0~302 ( if ID-
H= 4194)
0~302
ID-H
(
if
= 4194)
AdrH**
Max_Master -- The highest allowable address
for master nodes.
E25
1
127
0
1~127
127
0
1~127
E26
E27
E28
rHSt
F-Ht
Relative Humidity Offset
Fan Output for Heating
Cooling Stage Delay
0.1%RH
-30.0~30.0
0/1
0: Disable
1: Enable
0
0
0/1
dLyC
1 (minutes)
1 (cycles/hour)
1 (minutes)
3
1~3
3
1~3
Cooling Maximum Cycles per
Hour
E29
E30
E31
cycC
dLyH
cycH
4
3
4
2~6
0~3
4
3
4
2~6
0~3
Heating Stage Delay
Heating Maximum Cycles per
Hour
1 (cycles/hour)
2~255
2~255
UM-15093000-AA2
Page 19
| General | Details |
|---|---|
| Name | CONTEMPORARY CONTROLS BAST-421C-B2 BACnet Communicating Thermostat User Manual |
| Make | CONTEMPORARY CONTROLS |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.65 MB |













































