Schwank ThermoControl Plus 4 User Manual

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6 Installation & Configuration
6.1 Electrical Supply
The controller must be electr ically grounded in accordance with the National Electrical
Code. ANSI / NFPA 70 or current Canadian Electrical code CSA C22.1.
Appliance and control wiring must be in accordance with all applicable local codes.
The controller must be isolated from the main power supply during installation or
connection work is carried out! The "Off" position (O) of the controller I/O switch
does not provide complete isolation of the controller!
The controller power supply connection terminals are identified as "L 24V" and "COM". The "COM"
connection point is the common ground in the circuit: it is directly connected to the points of the
relay outputs marked "C", and it is the common point of the signal input terminals and the
communication terminal. The "L
24V" power supply is connected th rough a Fuse (6.3A) to the
connection terminal "L1". It is important to make connections correctly in accordance with the
wiring schemes of the selected application program!
Pay special attention to common ground when
connecting outside devices so that a short-circuit does
not occur.
If several ThermoControl units are connected to one
24VAC power supply, ensure to connect the same
terminals of the power supply to the "L 24V" and "COM"
terminals of the controllers.

Schwank ThermoControl Plus 4 Specifications

General

Brand	Schwank
Model	ThermoControl Plus 4
Category	Controller
Language	English