Enabling Rh Alarms To Trip Contacts; Setting A Low O 2 Alarm Limit - Thermo Scientific 3110 Operating And Maintenance Manual

Enabling RH Alarms
to Trip Contacts
Setting a Low O
Alarm Limit
Thermo Scientific
The low RH alarm can be programmed to trip the remote alarm contacts.
A setting of ON will cause this, a setting of OFF will not allow the RH
alarm to trip the contacts. The factory setting is ON.
1. Press the Mode key until the Config indicator lights.
2. Press the right arrow until RH RLY XXX is displayed in the message
center.
3. Press the up/down arrow to toggle the setting ON/OFF.
4. Press Enter to save the setting.
5. Press the Mode key to return to Run Mode or right/left to go to
next/previous parameter.
On models with a O
2
low O alarm limit (tracking alarm) is the deviation from the O
2
that will cause a low O
below setpoint to 5.0% O
below setpoint. A minus (-) in the display indicates that the alarm setting
is below setpoint.
1. Press the Mode key until the Config indicator lights.
2. Press right arrow until O2 LO -X.X% is displayed in message center.
3. Press the up/down arrow to change the low O
4. Press Enter to save the low O
5. Press the Mode key to return to Run Mode or right/left to go to
next/previous parameter.
control system, O alarms may be configured. The
2 2
alarm. The setpoint is variable from 0.5% O
2
below setpoint. The factory setting is 1.0% O
2
alarm limit.
2
Section 3
Configuration
setpoint
2
2
alarm limit.
2
Water Jacketed CO Incubator
2
2
3-7