Technical data
126
• Control systems
• Standard protocol interfaces • BACnet Interface
Wiring and Setting Procedures
External wiring
Everything relating with field wiring must be supplied in the field.
Ethernet communication wiring
DIII-NET wiring
Cautions
1 Do not use multicore cables with three or more cores.
2 Use wires of sizes between 0.75 mm2 and 1.25 mm2.
3 Wire length: Max 1,000 m
4 Do not bind the wire for DIII-NET
5 Wirings for DIII-NET must be isolated from the power lines.
Do-1 and 2
Main specifications
Temperature range -10~50°C
Humidity range 0~98% (No frost formation)
Power supply 1~AC200-240V 50/60Hz
Power consumption Max.20 W
Weight 4.0 Kg
Recommended wire size 0.75~1.25mm
2
Outdoor
unit
Outdoor
unit
Outdoor
unit
Outdoor
unit
Recommended wire size 0.75~1.25mm
2
Polarity: No
Polarity: No
Polarity: No
Polarity: No
Terminal contact size: M3.5
Terminal contact size: M3.5
DAM411B51 (Option)
DMS502A51
F1 F2 F1 F2 F1 F2 F1 F2
F1 F2 F1 F2 F1 F2 F1 F2
F1 F2 F1 F2 F1 F2 F1 F2
F1 F2 F1 F2 F1 F2 F1 F2
DMS502A51
Ethernet
10BASE-T
10BASE-T straight cable
Field supplied
HUB
BACnet
client
DMS502A51
Do-1 : ON when the unit malfunctions
Do-2 : ON when an air conditioner malfunctions
Recommended wire size 0.75~2 mm
2
No voltage contact output contact specification is as follows
: Allowable current 10m A~1 A
: Allowable voltage MAX, AC250 V
: Max. 150 m
: M4
Wiring length
Terminal contact size
Lamp or the like
Lamp or the like










