Siemens BACNET 125-699 用户手册
Product Overview
Siemens Building Technologies, Inc.
3
Digital
Application
• Compressor
1
2583
• Compressor 2 (optional); or stage 3 electric heat (optional)
2583
• Compressor 3 (optional); or stage 2 electric heat (optional)
2583
• Stage 1 electric heat (optional)
2583, 2584
• Reversing
valve
2583
• Damper actuator (floating control) (optional)
2583, 2584
• Fan
2583, 2584
• Stage 1 cooling compressor (optional)
2584
• Stage 2 cooling compressor (optional)
2584
• Stage 1 heating compressor (optional)
2584
• Stage 2 heating compressor (optional)
2584
Power Wiring
The controller is powered by 24 Vac. Power wiring connects to terminals on the controller
labeled “C” (Common) and “H” (Hot). An earth ground termination is also present. See Figure
3.
labeled “C” (Common) and “H” (Hot). An earth ground termination is also present. See Figure
3.
Communication Wiring
The controller connects to the field panel by means of a Field Level Network (FLN) trunk. See
Figure 4.
Figure 4.
C H EGRND WHEN THIRD TER-
MINATION IS PRESENT
24 V COMMON
24 V HOT
E GRND
POWER TRUNK
TEC0471R2
TEC0528R1
TWISTED PAIR
3-WIRE FLN TRUNK
SHIELD
WIRENUT
REFERENCE
IS NOT SHIELD
REFERENCE CONNECTION ABSENT
IF 2-WIRE CABLE MUST BE USED
REFERENCE (EQUIPOTENTIAL)
GROUNDED AT SINGLE LOCATION
TYPICALLY AT FIELD PANEL
Figure 3. Power Wiring.
Figure 4. Communication Wiring.