User Manual

15
Parameter settings
for communication
Parameter Setting Function Remarks
1. Parameter settings on the refrigeration controller, RMU720B, basic type C
Basic settings
Path: ... > Commissioning > Communication > Basic settings
Clock time opera-
tion
Slave The device receives the time of day
from the master
Remote setting
clock slave
Yes The master’s clock can be set from
this device
Remote reset of
fault
Yes Faults of other bus users can be
acknowledged and reset from this
device
Settings for the distribution zones
Path: ... > Commissioning > Communication > Distribution zones
Outside tempera-
ture zone
1 The device receives the outside tem-
perature via outside temperature
zone 1
Refrigeration
distribution zone
1 The device receives the refrigeration
demand via refrigeration distribution
zone 1
This zone appears only when, in
function block “Refrigeration de-
mand”, an appropriate sequence is
assigned to a controller
For example: Commissioning >
Extra configuration > Aggregates >
Refrigeration demand > Controller
1 > Sequence 4
Refrigeration
distribution zone
source side
---- This zone is not used
Refrigeration
demand setpoint
reduction
Depending
on demand
To compensate for distribution los-
ses, the flow temperature controller’s
setpoint can be lowered
2. Parameter settings on the heating controller, RMH760B, basic type H4-0
Basic settings
Path: ... > Commissioning > Communication > Basic settings
Clock time opera-
tion
Slave The device receives the time of day
from the master
Remote setting
clock slave
Yes The master’s clock can be set from
this device
Remote reset of
fault
Yes Faults of other bus users can be
acknowledged and reset from this
device
Settings for the distribution zones
Path: ... > Commissioning > Communication > Distribution zones
Heat distribution
zone
1 The device receives the heat de-
mand via heat distribution zone 1
Outside tempera-
ture zone
1 The device receives the outside tem-
perature via outside temperature
zone 1
3. Parameter settings on the air handling controller, RMU720B, basic type P
Basic settings
Path: ... > Commissioning > Communication > Basic settings
Clock time opera-
tion
Slave The device receives the time of day
from the master
Remote setting
clock slave
Yes The master’s clock can be set from
this device
Remote reset of
fault
Yes Faults of other bus users can be
acknowledged and reset from this
device