Cool 2 Speed Fan Wiring Diagram

Then connect switched power usually from your ignition switch to the blue wires on both relays tab 86.

2 speed fan wiring diagram. Since you have to choose between the speeds using a two speed motor switch it s impossible for both coils to become energized simultaneously. It uses a 40 amp electric relay and electric fan sensor. O l over load relay no normally open nc normally close low low speed high high seed.

Additionally the low speed coil is typically supplied by a red wire while the high speed coil is fed by a black wire. Ensure that all terminal. If you choose to operate the fan using both speeds two switching devices or a derale dual fan controller part 16788 16789 must be used.

The cooling fan wiring diagram below is what we ve found to be the simplest and most reliable method. 1 low speed 2 mid speed 3 high speed green brown diagram ic1 3ø wiring diagrams 1ø wiring diagrams diagram er9 m 3 1 5 9 3 7 11 low speed high speed u1 v1 w1 w2 u2 v2 tk tk thermal overloads two speed star delta motor switch m 3 0 10v 20v 415v ac 4 20ma outp uts diagram ic2 m 1 240v ac 0 10v outp ut diagram ic3 m 1 0 10v 4 20ma 240v. Wiring safety basics before you begin work on any project involving electricity inform those around you of what you ll be doing.

Black wire grey wire brown wire ground low speed 12v positive high speed 12v positive. The fan and control switch must be isolated from the power supply during the installation maintenance. Or a single relay could be used to control both fans.

2 speeds 1 direction 3 phase motor power and. Two speeds one direction three phase motor connection power and control diagrams. Than use a 30 a.

Reference diagrams 7 8 on page 3 black wire ground grey wire low speed 12v positive. Control electrical wiring installation motors 2 speeds 1 direction 3 phase motor power and control diagrams. Check that all connections have been made correctly.