B&C Technologies DP-250 Industrial - Manual (Page 25)

INSTALLATION PROCEDURES
3-11
more than 45
o
. The main duct should be tapered with the diameter increasing before each individual
duct is added.
Inadequate exhaust facilities may cause high temperature limit switches or airflow switches
to shut off the dryers. Do not disable the switches, which are provided for your safety. Instead,
investigate the exhaust ducting. Any obstruction or air friction due to numerous elbows / fittings in
the ducting will slow the passage of air through the system with resulting inefficiency and potential
fire hazard.
1. Electrical Requirements
It is your responsibility to have all electrical connections made by a properly licensed and
competent electrician to assure that the electrical installation is adequate and conforms with local
and state regulations or codes. In the absence of such codes, all electrical connections, material, and
workmanship must conform to the applicable requirements of the NATIONAL ELECTRIC CODE
ANSI/NFPA NO. 70- LATEST EDITION.
IMPORTANT: Failure to comply with these codes or ordinances and/or the requirements
stipulated in this manual can result in personal injury or component failure.
NOTE: Component failure due to improper installation VOIDS THE WARRANTY. A
separate circuit serving each dryer must be provided. The dryer must be connected
to copper wire only. Do not use aluminum wire which could cause a fire hazard.
NOTE: The use of aluminum wire VOIDS THE WARRANTY .
2. Electrical Service Specifications
Table 3-1 Electrical Service Specification
Model 200 lb, 250 lb, Gas and Steam
IMPORTANT: 208 V AC and 200-240 V AC ARE NOT THE SAME. When ordering, specify exact voltage.
NOTES: A. Fuse ratings are dual element-time-delay-current limiting, class RK1 or RK5 only.
B. Circuit breakers are thermal magnetic (industrial) type only. For others, calculate/ verify correct breaker
size according to appliance amp draw rating and type of breaker used.
C. Circuit breakers for 3 Phase dryers must be 3-pole type.
Model
Voltage
Service
Phase
Approx.
Amp Draw
Wire Size
Circuit
Breaker
200-240 3 36.7 8AWG / 10sq.mm. 50
380-415 3 21.5 10AWG / 6sq.mm. 30 200 lb.
440-480 3 19.1 10AWG / 6sq.mm. 25
200-240 3 41.5 6AWG / 16sq.mm. 60
380-415 3 24.2 10AWG / 6sq.mm. 40 250 lb.
440-480 3 21.8 10AWG / 6sq.mm. 30
*AWG Stranded Type Wire…for individual lengths less than 100 feet.
(Motor lead type wire is recommended.)
IMPORTANT: The dryer must be connected to the electrical supply shown on the data label
that is affixed to the back of the dryer, at the upper right hand comer. In the case of
208 V AC or 230/240 V AC, the supply voltage must match the electric service
specifications of the data label exactly.
E. ELECTRICAL INFORMATION