Walker Magnetics SMART-B SERIES - Manual (Page 9)

O.S. WALKER Co., Inc. SMART-B Control
SMART B MANUAL DD-14283J Rev J, March 30, 2011
3-1
3 INSTALLATION
• All electrical chassis must be safety grounded.
• Check that all sources of power are disconnected, locked out and tagged “Out of Service” prior
to beginning installation.
• Only qualified personnel should install this chuck control unit.
Prior to beginning, thoroughly plan your installation. Read this manual completely. An installation
parts list is included below to aid in your planning.
Installation Parts List
1. Mounting hardware for the control and the remote.
2. Conduit and associated hardware for AC input, chuck output and remote.
3. Remote cable: 14 conductor #24 AWG shielded cable.
4. Chuck cable: Type SO or SJO cord with proper current rating.
3.1 Control Mounting Guidelines
1. When any control (power section) is removed from its original enclosure or shipped without
an enclosure and installed in a customer supplied enclosure, the following specifications
must be met:
a. The air surrounding the panel on which the parts are located should not exceed 120º
Fahrenheit.
b. The air temperature must be measured:
1) With the control in the Full holding position;
2) After the control has been in operation for 30 minutes; and
3) With the chuck holding the largest load to be used.
2. When any control (power section) is to be placed in a secondary enclosure while still in its
original enclosure, the following specifications must be met:
a. With the control (power section) mounted in its original enclosure and then mounted
in a secondary enclosure, the air surrounding the original enclosure should not
exceed 104º Fahrenheit.
b. The air temperature must be measured:
1) With the control in the Full holding position;
2) After the control has been in operation for 30 minutes; and
3) With the chuck holding the largest load to be used.