Whenever the process value is within the alarm band, the
alarm delay shall be canceled. The deviation alarm delay
timer only starts when out of dead band.
Follow these steps to access the deviation alarm
inhibition/delay parameters:
The table lists the limits and defaults for the Alarm
Inhibition/Alarm Delay parameters. The values are adjustable
in 0.5 minute increments.
TW
D
EVIATION
A
LARM
/B
AND
AND
D
ELAY
Parameter
Alarm Delay Time
Deviation Band
Low Limit
1.0 second
1ºF
High Limit
1800 seconds
45ºF
Default Value
600 seconds
20ºF
Thermolator TW Series
UGH025-0504
5-14
M
AINTENANCE
TW-1, TW-2
P
ULSE
M
ODE
L
IMITS AND
D
EFAULTS
Parameter
Pulse Cycle Time
Pulse Time
Low Limit
Off, 0.1 minute
0.5 seconds
High Limit
15.0 minutes
5 seconds
Default Value
Off
1 second
When the Pulse Cycle Time is set to Off the Pulse Mode is
disabled.
The table lists the limits and defaults for the pulse mode para-
meters.
Summary of Contents for Thermolator TW
Page 68: ...Thermolator TW Series UGH025 0504 5 16 MAINTENANCE...
Page 102: ...Thermolator TW Series UGH025 0504 6 34 TROUBLESHOOTING...
Page 105: ...UGH025 0504 Thermolator TW Series APPENDIX B 1 PUMP CURVES...
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Page 114: ...TW 1 CIRCUIT BOARD UGH025 0504 PD 2...
Page 115: ...UGH025 0504 TW 2 CIRCUIT BOARD PD 3...
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