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Device Markings (Symbols)
Certain markings (symbols) can be found on the controller and are
defined as:
Symbol
Description
CE marking: the device conforms to the requirements
of applicable EC directives.
Products must be disposed of at the end of their
useful life according to local regulations.
Read the Hardware Installation Guide for more
information.
UL marking: conforms to the requirements of the UL
certification.
FCC marking: This device complies with FCC rules
part 15, subpart B, class B.
Warning Symbol: Significant information required.
Refer to the Hardware Installation Guide.
Alternating Current
Direct Current
General Wiring Recommendations
Turn off power before any kind of servicing.
-
All wiring must comply with electrical wiring diagrams as well as
national and local electrical codes.
-
To connect the wiring to a controller, use the terminal connectors.
Use a small flat screwdriver to tighten the terminal connector
screws once the wires have been inserted.
-
Power type cables (i.e. for power, 2- and 3-wire voltage and current
inputs and outputs, as well as triac outputs) should be kept apart
from other types of wiring to avoid any ambient noise transmission
to other wires.
-
The board connectors accept wires or flat cables ranging from 22 to
14AWG (0.644 to 1.630mm diameter) per pole. However, power
cables must be between 18 and 14AWG (1.024 to 1.630mm
diameter).
-
Do not connect the universal inputs, analog/digital outputs or
common terminals to earth or chassis ground (unless stated
otherwise).
-
Keep all wires away from high speed data transmission cables (for
example, Ethernet, etc.).
-
Keep input and output wiring in conduits, trays or close to the
building frame if possible.
Controller Dimensions & Components
Figure 2:
VAVS-O, VAVS, VAV & VVTS series dimensions
Low pressure
High pressure
Bracket
mouting kit
190 [7.48 ]
54
[2
.13
]
61
.5
[2
.42
]
10
[0.40]
3 mm
0.12 in
26
.5
[1
.04
]
11
[0.43]
5
[0
.2
]
Units Legend: mm [in]
Figure 3:
VAV-N & ECL-103 series dimensions
PRESSURE
LOW
E
D
E
D
Actuator Clutch for
Manual Adjustment
HIGH
Opening for
Damper Shaft
Mechanical Stops
Pressure Sensor Inputs (when equipped)
Service Pin
Connectors
Integrated
Mounting
Brackets
Damper Shaft
Clamping Mechanism
Figure 4:
VAVS-O, VAVS, VAV & VVTS series components
