Applicable Models
Function
Air Conditioners
VRV
Large Sky Air
Multi
Sky Air
(Adapter for Sky Air)
Facility A/C
(Centralized
control adapter)
HRV
RA
(General purpose
adapter)
ON/OFF operation and monitoring
▲ ▲ ▲ ▲ ▲ ▲
A/C error report
▲ ▲ ▲ ▲ ▲ ▲
Room temperature monitoring
▲ ▲ ▲ ▲
X X
Temperature setting and monitoring
▲ ▲ ▲ ▲
X X
Operation mode setting and monitoring (Note 3)
▲ ▲ ▲ ▲
X X
Remote control mode setting and monitoring
▲ ▲ ▲ ▲ ▲
X
Filter sign monitoring and reset
▲ ▲ ▲
X
▲
X
Thermostat status Monitoring
▲ ▲ ▲
X X X
Airflow rate setting and monitoring
▲ ▲ ▲
X
Only monitoring (Note 2)
X
Forced thermostat OFF setting and monitoring ▲ (Note 1)
▲ ▲
X X X
Notes
1 When this is set from a remote control, it is not reported to the upper system and, therefore, this setting cannot be monitored by the
upper system.
2 The triangle (G) denotes a function that is only available for some models.
3 Operation mode can be changed only on indoor units that allow a selection between heating and cooling.
Specifications
Item Specifications
Model DMS504B51
Dimensions mm 168 (W) x 260 (H) x 50 (D) mm
Weight kg 1.5 kg
Power supply Single phase AC100-240V 50/60Hz
Power consumption Max. 5W
Operation range –10 to 50 °C
Storage temperature range –20 to 60 °C
Humidity Up to 95% (no condensation)
Protocol LonTalk
Transmission speed 78Kbps
Installation Mounted to indoor distribution board
Topology FTT-10A (Free topology)
Transmission medium Twisted pair wire
Contact input Forced OFF x 1 (A/Cs en bloc)
Accessories
Item Description
Interface adapters KRP928A2S For connection to Split units
DTA102A52 For connection to R-22/R-407C Sky Air units
DTA112B51 For connection to R-410A Sky Air units
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