Lincoln Electric IM10023 manual Installation

A-5 INSTALLATION A-5

Auxiliary Input Power Connection Instructions

Use the appropriate size leads, at least 14 AWG – 2 wire with ground.

1.Remove two Phillips Head screws on right side of front panel of hinged door to access terminal strip.

2.Remove a plug button and install a box connector to provide strain relief for the input power leads.

3.Strip off 1/4”(6.4mm) of insulation from the leads and route them through the strain relief

4.Locate the 4-terminal blocks, numbered #48, #49, and #50. These are to be used to bring in auxiliary power. Terminal block #50 is used for the input ground connection. This terminal block is color- coded green and yellow for easy identification. Terminal blocks #48 and #49 are to be used to con- nect the input power circuit. (See Figure A.3).

5.Using a flat-head screwdriver with a blade dimen- sion of 0.137"(3.5mm) x 0.020"(.51mm), insert the screwdriver into the square hole next to the mount- ing hole to be used on the terminal strip. The screwdriver should be inserted until it bottoms out. This opens the screwless cage clamping style wire insertion port. With the cage clamp opened insert the wire into the round port until it bottoms out. While holding the lead securely, remove the screw- driver from the terminal block. This closes the cage clamp onto the lead holding it securely. Any open port on blocks #48, #49, and #50 may be used.

Terminal blocks 48 and 49 are shipped connected to the contacts of CR2 and CR3 by leads 531 and 532. These relay contacts are also connected to the 4-pin Travel connector and the 3-pin Flux connector located on the bottom of the MAXsa™ 10 CONTROLLER. CR1 is available for a separate customer connection, but it will turn ON and OFF with CR2. Therefore, if Lincoln auxiliary equipment is to be used, connecting 115VAC to the terminal strip is all that is required to power the devices.

NOTE: The contacts of CR1 are not connected to ter- minals #48 and #49 when shipped. Applying power to the #48 and #49 terminals will not transfer voltage to the CR1 relay. Connect leads from the #48 terminal to the #4 terminal and from the #49 terminal to the #3 terminal to supply power to the common contacts of the relay.

Once input power is applied to the terminal strip, this voltage is always on terminal strip blocks #3, #4 (if connected), #11, #17, and #18. These are the inputs to the solid-state relay contacts. Input voltage is also present on terminal strip blocks #7, #8 (if connected), #15, #21, and #22 due to the N.C. contacts on the relays. When the CR1 relay is energized, input power is transferred to terminal strip blocks #5 and #6 (if connected). When the CR2 relay is energized, input power is transferred to terminal strip block #13. When the CR3 relay is energized, input power is transferred to terminal strip blocks #19 and #20. CR1 and CR2 will be turned ON and OFF at the same time.

FIGURE A.3

VAC IN

NEUTRAL (31)

VAC IN

LINE (32)

# 2	# 1
INSERT	INSERT SCREW
WIRE HERE	DRIVER HERE
	# 3
	REMOVE SCREW
	DRIVER FROM CAGE
	CLAMP HOLE.
CAGE CLAMP

MAXsa™ 10 CONTROLLER