Parallel Operation - Elsteam MISTRAL Use And Maintenance Manual

9.9 PARALLEL OPERATION

Up to 5 humidifiers can be connected in parallel.
Byconfiguringandsettingthefirsthumidifieronly(MASTER),theothers(SLAVES)willfollowtheoperationofthefirsthumidifier
by replicating it precisely (parametrizations are not replicated if they are changed on the MASTER).
Toactivatethisoperatingmode,youneedto:
• SetonehumidifierasMaster,bysettingCFG = 5...9;
• SetalltheotherhumidifiersasSlave,bysettingCFG=10oneachhumidifier;
• Connect the analogue input IA1ontheMasterhumidifier;
• Connect the digital output Out1 ofeachhumidifiertothedigitalinputID2ofthenexthumidifier.
MASTER
MASTER
CFG = 5...9
CFG = 5...9
Out1
IA1
NOTE:Inthisoperatingmode,thedigitaloutputisusedtopropagatetheoperatingsignal.
NOTE:ForhumidifierssettoSLAVE,donotconnectinputIA1.
924EHUCE4.00 - Mistral Humidifier
SLAVE
CFG = 10
ID2 Out1
IA1
Out1
Fig. 44. Parallel operation
SLAVE
SLAVE
CFG = 10
CFG = 10
ID2 Out1
IA1
ID2
| 50 |
SLAVE
CFG = 10
ID2 Out1 ID2
IA1
SLAVE
CFG = 10
IA1
06/2022