Bell & Gossett S14367B Technologic Constant Speed Pump Controller - Manual (Page 34)

Technologic ® Constant Speed Pump Controller Installation, Operation and Maintenance Manual 34
Parameter List
Variable Description Section Default Value Field Value
Node The node number should be supplied by the BMS. 4.3.10.2 10
AI Ovrd Select “Y” to override analog inputs through the 4.3.10.2 N
communications port. See section 4.3.10.5.
Enable This must be set to “Y” to utilize RS-485 communications. 4.3.10.3 Y
Modbus It should only be set to “N” to upload software upgrades.
Node The node number should be supplied by the BMS. 4.3.10.3 10
AI Ovrd Select “Y” to override analog inputs through the 4.3.10.3 N
communications port. See section 4.3.10.5.
Enable This must be set to “Y” to enable Lonworks communications. 4.3.10.4 Y
Lonworks
AI Ovrd Select “Y” to override analog inputs through the 4.3.10.4 N
communications port. See section 4.3.10.5.
Purge Time Time, in minutes, that the pumps will run immediately after 4.3.11 10
starting the system in automatic mode, a value of 0 disables
purging.
Number of Number of pumps that will turn on when purging is active. 4.3.11 1
Pumps (Purge)
App Type
The application type is required if staging will be based on 4.3.11 Cool
temperature.
DP Switch Proof timer, in seconds, prior to setting a pump fail alarm after 4.5.1 10
Pr Tm receiving a continuous high signal from a DP switch
Low Sys Press The pressure, in PSI, below which an alarm or event will be set 4.5.2 ½ System
Pressure
Low Sys The proof timer, in seconds, prior to setting an alarm or event. 4.5.2 0
Pr Tm A value of 0 disables this alarm or event.
Alarm Set this value to “Y” to consider low system pressure an alarm, 4.5.2 N
(Low Sys Pr) or set it to “N” to consider it an event.
Stop Pumps Set this value to “Y” to stop all pumps in the event of a low 4.5.2 N
(Low Sys Press) system pressure alarm or event. Set it to “N” to continue
operation normally during this alarm or event.
High Sys The pressure, in PSI, above which an alarm will be set 4.5.3 1.5 x System
Press Pressure
High Sys The proof timer, in seconds, prior to setting an alarm. 4.5.3 20
Pr Tm A value of 0 disables this alarm.
Low Suct The pressure, in PSI, below which an alarm or event will be 4.5.4 5
Press set for the analog input method
Pr Tm (Low The proof timer, in seconds, prior to setting an alarm or event. 4.5.4 20
Suct Press) A value of 0 will disable this alarm. Used for analog input and
pressure switch methods.
Auto Reset Select “Y” to allow this alarm or event to be automatically reset. 4.5.4 Y
(Low Suct The analog input method resets using the “Reset Press”. The
Press) pressure switch method resets on a low signal on the low
suction pressure switch digital input.
Reset Press The pressure, in PSI, at which the controller will automatically 4.5.4 10
(Low Suct reset when the suction pressure rises above it. Used for the
Press) analog input method only.
Alarm (Low Set this value to “Y” to consider low suction pressure an alarm, 4.5.4 N
Suct Press) or set it to “N” to consider it an event. Used for analog input
and pressure switch methods.
High Suc Press The pressure, in PSI, above which an alarm or event will be set 4.5.5 System
Pressure
High Suc The proof timer, in seconds, prior to setting an alarm or event. 4.5.5 0
Pr Tm A value of 0 disables this alarm.