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III. Installation
Electrical Wiring
The standard MicroTron Tower controller has an internal regulated power supply that will operate in the range
of approximately 100 to 240 VAC on the incoming wiring. Output relay(s) are protected with a replaceable
fuse.Eachrelay’soutputvoltagewillequalincominglinevoltage.
Prewired units are supplied with a 16 AWG cable with 3-wire grounded USA 115 volt plug for incoming power
and 18 AWG 3-wire grounded U.S.A. 120 volt receptacle cords for all control relay outputs.
Conduit units are supplied with connectors located in the lower section of the controller. Remove the screws
of the lower panel for access and to view wiring diagram.
NOTE: Liquid tight ttings and labeled signal lead cables are provided for all signal (low voltage)
connections, such as water meter, low drum level, ow switch and 4-20mA outputs, for both pre-wired
and conduit units.
Mounting Instructions
Select a mounting location that provides the operator easy access to the unit and a clear view of the controls
through the cover of the controller. The location should be convenient to grounded electrical connections, the
requiredsamplelineplumbing,andinstalledonastableverticalsurface.
CAUTION
1. There are live circuits inside the controller even when the power switch on the front panel is in
the OFF position. Never open the front panel without rst disconnecting power from the outlet.
Prewired controllers are supplied with an 8 foot, 18 AWG power cord with USA style plug. A #1
Phillips driver is required to open the front panel.
2. Low voltage signal wires (probes, ow switch, water meter, etc.) should never be run
in conduit with high voltage (like 115VAC) wires.
3. Never attempt to land connections to the controller without rst disconnecting power from the outlet.
4. Do not block access to disconnect power during mounting and installation.
5. The controller should be connected to its own isolated circuit breaker, and for best
results, the ground should be a true earth ground, not shared. Any attempt to bypass the grounding
will compromise the safety of users and property.
6. The electrical installation of the controller must be performed by trained personnel only and
conform to all applicable National, State and Local codes.
7. Operation of this product in a manner not specied by Advantage Controls may result in damage
to equipment or persons.
8. Avoid mounting in locations that expose the controller to direct sunlight, vapors, vibration,
liquid spills or extreme temperatures; less than 0°F (-17.8°C) or greater than 120°F (50°C).
EMI(electromagnetic interference) from radio transmissions and electric motors can also cause
damage or interference and should be avoided.
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