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CONTEMPORARY CONTROLS BAST-421C-B2 BACnet Communicating Thermostat User Manual
Engineering Menu Items Table BAST-421C-BW2
°C Scale
°F Scale
Step
Item Mnemonic
Description
Default
Range
Default
Range
E1
db
Deadband
2.0
28
0~10
4.0
0~18
0.5 (°C/°F)
1.0 (°C/°F)
Unoccupied(ESI) cooling set point
E2
E3
ESIC
25~35
82.5
77~95
Unoccupied(ESI) heating set point
ESIH
15
10.0~22.0
59
50.0~72.0
1.0 (°C/°F)
10 (Sec.)
Integral Time and Output Cycle Time
(seconds)
Minimum output voltage in digital value for
AO1 when reach Low limit
E4
E5
I-t
60
0~500
0~125
60
0-500
0~125
0(0V)
0(0V)
OPL1
1 (LSB)
(0.044V)
-20(10V)
-20(10V)
1 (LSB)
(0.044V)
E6
SPA1
AO1 Span Offset
-55~0
0~50
0~50
-55~0
32~122
32~122
Low limit for temperature set point
E7
E8
SP-L
SP-H
10
30
50
95
1.0 (°C/°F)
1.0 (°C/°F)
High limit for temperature set point
E9
OFSt
Pb
Current temperature offset
Proportional band or stage width
Stage differential
0.0
1.5
0.5
-10.0~10.0
0~10.0
0.0
3.0
1.0
-18.0~18.0
0~18.0
0.1 (°C/°F)
0.1 (°C/°F)
0.1 (°C/°F)
E10
E11
diFF
0.1~1.0
0.1~1.8
Bit Definition:
E12
LOC
0: MODE button (dec=1)
1: Down buttons (dec=2)
2: Up button (dec=4)
3: FAN SPEED button (dec=8)
4: Power On/Off button (dec=16)
5: SET (or ℃/℉) button (dec=32)
6: ESI contact detection (dec=64)
7: Door/Window contact detection
(dec=128)
8: Modification for communication
parameters (dec=256)
i.e. baud rate, MAC addr, device inst.
9: Control DOs by thermostat algorithm
(0) or BACnet sup. (1) (dec=512)
10~15: reserved/unused
64
0-1023
64
0-1023
1
Bit Value
0: Unlock / enable
1: Lock / disable
Examples (add dec values to lock multiples)
Unlock/enable all (0)
Lock MODE Button (1)
Lock Down Button (2)
Lock MODE & Down Buttons (3 = 1+2)
Lock Power On/Off button (4)
Lock MODE & Power & Down (7 = 1+2+4)
Lock SET button (32)
Lock MODE & Down & Power & SET (39 =
1+2+4+32)
ESI contact disable (64)
Lock the modification for communication
parameters (256)
DOs control commanded by BACnet (512)
UM-15093000-AA2
Page 18
| 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 |
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