Troubleshooting guide

MAGNUM VERSION 8 MANUAL REVISION 3.1
128
Magnum BACnet ID BACnet Name Modbus N2
Compressor #18 Suct SH AV: 509 C18_Suct SH *30621 *ADF: 510
Compressor #18 Oil Pres Diff AV: 533 C18_Oil Pres Diff *30665 *ADF: 534
Compressor #19 FLA% AV: 510 C19_FLA% *30582 *ADF: 511
Compressor #19 Sat Suction AV: 513 C19_Sat Suct *30624 *ADF: 514
Compressor #19 Sat Disch AV: 514 C19_ Sat Disch *30626 *ADF: 515
Compressor #19 Disch SH AV: 515 C19_Disch SH *30627 *ADF: 516
Compressor #19 Suct SH AV: 516 C19_Suct SH *30625 *ADF: 517
Compressor #19 Oil Pres Diff AV: 534 C19_Oil Pres Diff *30666 *ADF: 535
Compressor #20 FLA% AV: 517 C20_FLA% *30583 *ADF: 518
Compressor #20 Sat Suction AV: 520 C20_Sat Suct *30628 *ADF: 521
Compressor #20 Sat Disch AV: 521 C20_ Sat Disch *30630 *ADF: 522
Compressor #20 Disch SH AV: 522 C20_Disch SH *30631 *ADF: 523
Compressor #20 Suct SH AV: 523 C20_Suct SH *30629 *ADF: 524
Compressor #20 Oil Pres Diff AV: 535 C20_Oil Pres Diff *30667 *ADF: 536
*- Indicates value multiplied by 10 to include one decimal place. (I.e. BMS value of 500 indicates actual value 50.0)
11.7. Network inputs to MCS-Magnum
The MCS-Magnum can receive changes from the network to enable or disable the Network Run/Stop, Network Target
Reset (adjustments to the Cooling Target, Setpoint #1, based on Setpoint #21), Network Demand FLA, and Network
Demand Steps.
The MCS-Magnum must be setup to accept these inputs. The configuration file must contain a Network Run/Stop,
Network Target, Network Demand FLA, and Network Demand Steps sensors.
Magnum BACnet ID BACnet Name Modbus N2
Network Run/Stop AV:246 Net_R/S 40201 BO:247
Network Target/Reset AV:247 Net_Tar/Res 40202 AO:248
Network Demand/FLA AV:248 Net_Demad_FLA 40204 AO:249
Network Demand/Steps AV:249 Net_Demad_Steps 40205 AO:250
The MCS-Magnum must be setup to accept these inputs. The configuration file in the MCS-Magnum must contain a
Network Run/Stop, and /or Network Target Reset, and/or Network Demand FLA, and/or Network Demand Steps
sensors. Note the following Information panel has a Network Run/Stop, and /or Network Target Reset sensors inputs
indicated. This is an example of how MCS-Config must be setup in the General Information and Evaporator
Information panels.