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Viconics Micro-stat H200 Series Quick Start Manual page 5

Electronic humidistat

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CONTROL SCHEMATIC:
100%
OUTPUT #2
HUMIDIFICATION
100%
OUTPUT #1
HUMIDIFICATION
30%
35%
Fig.7: Control schematic
TABLE 3: H200 PARAMETERS
VALUES
CODE
Db
0 to 40 % R.H.
SL
30 to 100 % R.H.
d2
0 to 199 % (of proportional
band)
Pb
0 = 1.6 % R.H.
1 = 3.2 % R.H.
2 = 6.4 % R.H.
3 = 12.8 % R.H.
4 = 25.6 % R.H.
o1
0 = Humidification
1 = Dehumidification
o2
0 = Humidification
1 = Dehumidification
cc
2 = Without integral
3 = With integral
t1
0 = On/off
1 = 8 minutes
2 = 1 second
t2
0 = On/off
1 = 8 minutes
2 = 1 second
rA
0 = °C
1 = °F
± 13 %
Ca
hA
0 à 127
it
1 to 99 = 1 TO 99 MINUTES
Lt
-40 à +40 °C (-40 à 105 °F)
Ht
-40 à +40 °C (-40 à 105 °F)
rE
1 à 99 % R.H.
04/06/04 LIT-H200X-E02 H200.doc
SET POINT
0%
d2
0%
40%
45%
50%
pb
DEFAULT
DESCRIPTION
VALUE
25% R.H.
Dead Band between humidification and dehumidification.
85% R.H.
Supply Limitation: High humidity limit in the supply duct (H270 only)
100%
Differential for output #2": Shift for output 2 relative to output 1
2= 6.4%
Proportional Band
R.H.
"Output #1" Action for output no 1
"Output #2" Action for output no 2
3
"Control Code"
"Time #1" Time period for output no 1
"Time #2" Time period for output no. 2
1 DO NOT
"Range" Temperature Scale
CHANGE
Calibration ( deviation mode: DO NOT MODIFY: USE AUTOCAL PROCEDURE;
FOR H100 TRANSMITTER, USE THE ZERO POTENTIOMETER ON THE
TRANSMITTER.
"Hardware assembly" Code related to thermostat model and entered at initial setup at
the factory.
60
"Integral time" Error integration time.
-20 °F
"Lower temperature" minimum outside temperature for setpoint reset (model H270 only)
32 °F
"Higher temperature" maximum outside temperature for setpoint reset (model H270
only)
20 % R.H.
"Reset" Minimum humidity value ( % HR ) (model H270 only)
Example: rE = 20%. Humidity setpoint will be reset from selected setpoint to 20%, from
Ht to Lt
0%
d2
0%
55%
60%
db
100%
OUTPUT #2
DEHUMIDIFICATION
100%
OUTPUT #1
DEHUMIDIFICATION
65%
70%
pb = proportionnal band
d2 = differential between output #1 and #2
db = dead band between humidification
and dehumidification
5

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