Siemens 540-803 Installation Instructions Manual - Page 4
Browse online or download pdf Installation Instructions Manual for Controller Siemens 540-803. Siemens 540-803 6 pages. Constant volume controller-electronic output
Document No. 540-320
Installation Instructions
July 15, 2009
C L
3/16 (5)
Wiring Diagrams
CAUTION:
The controller's DOs control 24 Vac
loads only. The maximum rating is 12
VA for each DO. Use an interposing 24
Vac relay module (such as P/N such as
P/N 550-054) for any of the following:
• VA requirements higher than 12 VA
• Separate transformers to power the load
• Direct current (DC) power requirements
Page 4 of 6
#8 TAPPING SCREW HOLE
11/64 (4) DIA. CLEARANCE
7-5/16 (186)
7-11/16 (195)
Figure 6. Dimensions.
CLEARANCE REQUIRED
FOR PROPER INSERTION
OF POLYETHYLENE TUBING
2 (51)
4-1/8
(105)
1-27/32
(47)
DIMENSIONS IN INCHES
MILLIMETERS IN PARENTHESES
DI 2
-
AI3 / DI3
+
C
DO 6
NO
C
DO 5
NO
C
DO 4
NO
C
DO 3
NO
C
DO 2
Y2
NO
G
C
DO 1
Y1
NO
Figure 7. Application 2030 and 2130 (CV Cooling
Only).
Siemens Building Technologies, Inc.
WALL SWITCH (OPTIONAL)
OR SPARE DI (DRY CONTACT)
SPARE DOS
CCW
DAMPER
COMMON
ACTUATOR
CW