Carrier 42BVC Fan User Manual


 
38
Standard control features
4 in. x 4 in. junction box
NOTE: Motor leads are wired to the 4 in. x 4 in. junction
box, mounted on the external panel. Field verification of
the motor rotation is required on 3-phase applications.
Motor control options
Interlocking disconnect switch*
24-v class 2 transformer (40 va)†
8-pole control terminal strip
Motor power fusing*
Motor control contactor**
Motor and electric heat control options
NOTE: Electric heat option requires same voltage as motor
and must include the control option. These control features
are standard with electric heat options and control option.
Interlocking disconnect switch*
Heater power fusing*
24-v class 2 transformer (40 va)†
8-pole control terminal strip
Auto reset temperature limit switch
Manual reset backup temperature limit switch
80/20 heater element wire
Motor power fusing*
Motor control contactor**
Agency listed for 0-in. clearance
Electric heat options:
Single-phase, 1 or 2 stage heat
Three-phase, 1, 2 or 3 stage heat
*Complies with NEC’s requirement, Article 430 for dis-
connect, branch circuit protection motor controller and
motor overload protection.
†No control fusing necessary.
**Complies with NEC’s requirement for a motor starter
with internal heating elements when used with the
factory’s standard motors with integral thermal overload
protection.
Controls