2–5
Chapter 2: Installation and Wiring
SOLO Basic Temperature Controller User Manual
1st Ed. 02/19
This publication is based on information that was available at the time it was printed. At
Automationdirect.com® we constantly strive to improve our products and services, so we
reserve the right to make changes to the products and/or publications at any time without
notice and without obligation. This publication may also discuss features that may not be
available in certain revisions of the product.
1. Always use recommended solder-less terminals: Fork terminal with isolation (M3
screw, width is 5.8mm, hole diameter 3.2mm). Screw size: M3 x 4.5 (With 6 x 6 square
washer). Recommended tightening torque: 0.4 Nm (4kgfcm). Applicable wire: Solid/
twisted wire 14AWG to 22AWG.
2. Protect the controller from dust or foreign objects as they can cause the controller to
malfunction.
3. Never modify or disassemble the controller.
4. Do not connect anything to the “Not used” terminals.
5. Make sure all wires are connected to the correct polarity of terminals.
6. Do not install and/or use the controller in places subject to: (a) Dust or corrosive gases
and liquid (b) High humidity (c) Vibration or shock (d) EMI / RFI (e) high temperature.
7. Power must be turned off when wiring or changing a sensor.
8. Be sure to use wires that match the thermocouple types when extending or connecting
thermocouple wires.
9. Use wires with correct resistance when extending or connecting a RTD.
10. Keep the wire as short as possible when wiring a RTD to the controller and route
power wires as far as possible from sensor wires to prevent interference and induced
noise.
11. This controller is an open-type unit and must be placed in an enclosure to ensure
proper operation and maintain the IP66 rating.
12. Make sure power cables and signals from instruments are all installed properly before
energizing the controller, otherwise serious damage may occur.
13. To prevent electric shock, do not touch the terminals on the controller or try to repair
the controller when power is applied.
14. Do not use acid or alkaline liquids for cleaning. Use a soft, dry cloth to clean the
controller.
15. This instrument is not furnished with a power switch or fuse. Therefore, if a fuse or
power switch is required, install the protection close to the instrument. Recommended
fuse rating: Rated voltage 250 V, Rated current 1 A. Fuse type: Time-delay fuse. See
the AutomationDirect catalog for the appropriate fuse for the specific application.
16. Note: This controller does not provide overcurrent protection. Use of this product
requires that suitable overcurrent protection device(s) must be added to ensure
compliance with all relevant electrical standards and codes. (Rated 250 V, 15 Amps
max). A suitable disconnecting device should be provided near the controller in the
end-use installation.
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