Mounting and Wiring VMA1200 Series Controllers Technical Bulletin
6
VMA Internal Schematic Diagram
Figure 1 is a key diagram showing the different regions of the larger
schematic diagram in Figure 2. This detailed diagram displays the
following elements as shown in the key diagram below:
1.
Isolated Power Supply
2.
Earth Ground Connection
3.
Airflow and High Temperature Safety Switches
4.
Isolated Triacs and Power Wiring for the Airflow and High
Temperature Safety Switches
5.
Isolated L
ON
W
ORKS
Network Bus
6.
Valve Actuators
7.
Zone Bus
1. Isolated Power Supply
2. Earth Ground Connection
3. Airflow and
High Temperature
Safety Switches
4. Isolated Triacs
and Power Wiring
6. Valve Actuators
7. Zone Bus
vma_small
5. Isolated
Network Bus
L
W
ON
ORKS
Figure 1: Key to Internal Schematic Diagram (Figure 2)