Temperature Setting Objects - Mitsubishi Electric BAC-HD150 Instruction Book

3.5

Temperature setting objects

Select the temperature setting objects below according to the indoor unit group configuration in a given air conditioning
system.
Refer to section 8.4.5 "Configuring the Object settings" in BAC-HD150 Setting Tool Instruction Book for details.
Control item
Set Temp
Set Temp Cool
Set Temp Heat
Set Temp Auto
Set High Limit
Setback Temp
Set Low Limit
Setback Temp
: Selectable
: Not selectable
*1: When the operation mode is set to "AUTO (single set point)" on the remote controller, this setting will be used as the set
temperature for the AUTO mode on BAC-HD150.
When the operation mode is set to "AUTO (dual set points)" on the remote controller, [Set Temp Cool (AV_xxxx24)] and
[Set Temp Heat (AV_xxxx25)] will be used as the set temperatures for the AUTO mode on BAC-HD150.
*2: Not available depending on the type of units that are connected.
(1) Monitoring and setting temperatures from BMS
When setting the temperature settings for single set point indoor unit groups from BMS, use [Set Temp (AV_xxxx10)]. If BMS
uses the dual set point objects to send commands to single set point indoor unit groups, BAC-HD150 will send an error to
BMS.
Use [Set Temp (AV_xxxx10)] and [Set TempCool (AV_xxxx24)]-[Set Low Limit SetbackTemp (AV_xxxx28)] temperature setting
objects for dual set point indoor unit groups.
BACnet
BMS
Temperature setting
commands are sent to
indoor unit group 1.
Temperature setting
commands are sent to
indoor unit group 2.
An error is returned.
If BMS uses the dual set point
objects to send commands to
single set point indoor unit
groups, BAC-HD150 will return
an error to BMS.
(2) When the BMS supports only the single set point function
Enable "Old Model Compatibility Mode" of the BAC-HD150 Setting Tool. BAC-HD150 will start up in the single set point mode.
Refer to section 8.2 "System Settings" in BAC-HD150 Setting Tool Instruction Book for details.
Object Instance
Single set point
type number
AV xxxx10
AV xxxx24
AV xxxx25
AV xxxx26
AV xxxx27
AV xxxx28
®
BAC-HD150
AV_xxxx24~
AV_xxxx28
AV_xxxx10
AV_xxxx24~
AV_xxxx28
AV_xxxx10
Indoor unit group configuration
Dual set point
group group
-
-
-
-
-
M-NET
Request
Request
No Request
Request
- 15 -
Notes
*1
*2
*2
Indoor unit group 1
Dual set point groups
Indoor unit group 2
Single set point groups