Quantech QWC4, Installation Operation & Maintenance, Page: 43 / 156

QUANTECH
43
SECTION 3 - HANDLING, STORAGE, INSTALLATION, AND REASSEMBLY
FORM QWC4-NM1 (221)
ISSUE DATE: 02/28/2021
3
Installing Variable Speed Drive (VSD)
Use the following instructions to install the VSD as
shown in
Figure 22 on page 44
.
1. Attach the rigging chains from the overhead lift to
the two lifting holes (one at the top of each end)
of the VSD.
2. Lift the VSD by means of an overhead lift to the
condenser. Carefully lower the VSD onto the sup-
port on the condenser.
Use a spreader bar to ensure that the lift-
ing chains do not bend the lifting tongs
on the VSD.
3. Install the VSD to the plate with the proper hard-
ware
.
Ensure that enough bare surface has been
exposed for the VSD mounting plate to
provide an electrical ground.
TABLE 9 - VSD WEIGHT AND DIMENSIONS
PIN 11
HARMONIC
FILTER PIN 23 WEIGHT (LB/KG)
LENGTH (IN./MM) WIDTH (IN./MM) HEIGHT (IN./MM)
J X 780 (354) 54 (1372) 19 (483) 41 (1041)
J F 944 (429) 54 (1372) 19 (483) 41 (1041)
L X 871 (396) 54 (1372) 19 (483) 41 (1041)
L F 1101 (500) 54 (1372) 19 (483) 41 (1041)