Bell & Gossett 176R0649C Technologic 502 Series Pump Controller - Manual (Page 12)

12
Section 3 Installation
Common Backpanel Mounted Units
Branch Circuit Protection
WARNING !
b
rancH
c
ircuit
p
rotEction
r
EquirEd
!
p
rovidE brancH circuit
p
rotEction in accordancE witH
tHE
n
ational
E
lEctrical
c
odE
. f
ailurE to providE brancH
circuit
p
rotEction in accordancE witH tHE
nEc
may
rEsult in EquipmEnt or propErty damagE
.
Drive Fuses
If specified as an option, drive input fuses will be
factory installed in the enclosure. If not factory sup-
plied, they must be provided by the installer as part
of installation.
Tools and Equipment Required
In addition to the standard tool kit, the tools and de-
vices in Table 3-1 are recommended for installation
of the unit.
TOOLS
Spreader bar capable of lifting up to 1000 lbs.
Max diameter 0.875 in.
Forklift, crane, hoist or other lifting device
capable of handling up to 1000 lbs. (Qualified
device operator available for operating the
equipment.)
Metric socket set: 7 - 19mm
Socket extensions: 4 & 6 in
Torx driver set: T10 - T40
Torque wrench: 6 - 170 in-lbs
Table 3-1. Tools and Equipment Required
Table 3-2. Connection Tightening Torques
Power (hp) Torque (in-lbs)
Frame 200-240 V 380-480 V 525-600 V Line Motor DC Brake Ground Relay
A2 2 - 5 3 - 5 3 - 5 17 17 17 28 5
A3 5 10 5 - 10 17 17 17 28 5
A5 1.5 - 5 1.5 - 10 1.5 - 10 17 17 17 28 5
B1 7.5 - 15 15 - 25 -- 17 17 13 28 5
B2 20 30 - 40 -- 22, 40 22, 40 32 29 5
C1 25 - 40 50 - 75 -- 88 88 88 28 5
C2 50 - 60 100 - 125 -- 124, 212 124, 212 124 29 5
D1 -- 150-200 150-200 168 168 84 29 7
D2 -- 250-350 250-400 168 168 84 29 7
Internal Option Panel Fuses
Use the specified fuse or an equivalent replacement
only for internal option panel fuses. Fuse options
include the drive disconnect and contactor fuses.
Figure 3-1. Drive Input Fuses