407913-2720 ZEXEL CONTROL UNIT Cross 4079132720

Appendix
Configuration Information
Table 7
Over-Temp    
Inlet Over-Temperature Alarm        
    Condition     Expected Value    
    Enable Alarm     Yes    
    Log Alarm Transitions     Yes    
    Active Output During Alarm     Output 1    
    Output function     ON only during alarm    
    Assert Alarm     Above
650 °C (1202 °F)    
    Hysteresis    
20 °C (68 °F)    
    Upon Over Temperature extend alarm for 60 seconds    
Table 8
Over-Pres    
Over-Pressure Warning        
    Condition     Expected Value    
    Enable Alarm     Yes    
    Log Alarm Transitions     Yes    
    Active Output During Alarm     Output 1    
    Output Function     ON only during alarm    
    Assert Alarm when the measured pressure exceeds 7" of Hg for 5% of the time during a 60 min measurement interval    
Over-Pressure Alarm        
    Condition     Expected Value    
    Enable Alarm     Yes    
    Log Alarm Transitions     Yes    
    Active Output During Alarm     Output 2    
    Output Function     Latched ON upon alarm    
    Assert alarm when the measured pressure exceeds 8" of Hg for 5% of the time during a 60 min measurement interval    
Table 9
TC-Fail (1)    
Open Thermocouple Detect        
    Condition     Expected Value    
    Enable Alarm     Yes    
    Log Alarm Transitions     Yes    
    Output During Alarm     Output 1    
    Output Function     Latched ON upon alarm    
    Assert alarm if measured temperature is above
1000 °C (1832 °F)    
Shorted Thermocouple Detect        
    Condition     Expected Value    
    Enable Alarm     Yes    
    Log Alarm Transitions     Yes    
    Output During Alarm     Output 1    
    Output Function     Latched ON upon alarm    
    Assert alarm if pressure is greater than 1" of Hg for 10 min and measured temperature does not exceed
120 °C (248 °F)    
( 1 ) Output selection applies to both open and shorted alarms
Table 10
Pressure Sensor Fail    
No Change Alarm        
    Condition     Expected Value    
    Enable Alarm     Yes    
    Log Alarm Transitions     Yes    
    Active Outputs During Alarm     Output 1    
    Output Function     Latched ON upon Alarm    
    Assert alarm if exhaust temperature is above
250 °C (482 °F) for 10 min and the pressure doesn't change by at least 0.25" of Hg    
Negative Pressure Alarm        
    Condition     Expected Value    
    Enable Alarm     Yes    
    Log Alarm Transitions     Yes    
    Active Output During Alarm     Output 1    
    Output Function     Latched ON during alarm    
    Assert Alarm if temperature is above
200 °C (392 °F) for 10 min and the pressure is less than −1" of