ACI Hoist & Crane WR, Operation Manual

Page: 55 / 61

Wire Rope Hoist
PAGE: 55
Model WR
WR-0214
2721 NE 4 th Ave Pompano FL, 33064 | (954) 367-6116 Visit WWW.ACIHOIST.COM for the most current information
The function of the contactors is shown in the wiring diagrams by putting the following symbols under the coil signs:
Symbols Contactor function

Contactor for “LIFT” at basic-speed – K1
 Contactor for “LIFT” at micro-speed – K3
 Contactor for “LOWER” at basic-speed – K2
 Contactor for “LOWER” at micro-speed – K4


Contactor for “LEFT” at basic-speed – К 5



Contactor for “LEFT” at basic- and micro-speed – K5


Contactor for “RIGHT” at basic-speed – K6


Contactor for “RIGHT” at basic- and micro-speed – K6


Contactor for “LEFT” and “RIGHT” at basic-speed – K7

Contactor for “LEFT” and “RIGHT” at micro-speed – K8
The symbols under the motor designation denote:



Electric motor for lifting mechanism
 Electric motor for travelling mechanism
Variant A of the electric wiring diagrams applies when thermal protection is available