Filter
Top Products
113409-2 www.amdry.com 21
3. Grounding
A ground (earth) connection must be provided and installed in accordance with state and local codes. In the
absence of these codes, grounding must conform to applicable requirements of the National Electrical Code
ANSI/NFPA NO. 70-LATEST EDITION, or in Canada, the installation must conform to applicable Canada
Standards: Canadian Electrical Codes Parts 1 & 2 CSA C22.1-1990 or LATEST EDITION. The ground connection
may be to a proven earth ground at the location service panel.
For added personal safety, when possible, it is suggested that a separate ground wire (size per local codes) be
connected from the ground connection of the dryer to a grounded cold water pipe. DO NOT ground to a gas pipe
or hot water pipe. The grounded cold water pipe must have metal-to-metal connection ALL the way to the
electrical ground. If there are any nonmetallic interruptions, such as, a meter, pump, plastic, rubber, or other
insulating connectors, they must be jumped out with a wire (size per local codes) and securely clamped to bare
metal at both ends.
IMPORTANT: For personal safety and proper operation, the dryer must be grounded.
Provisions are made for ground connection in each dryer at the electrical service connection area.
4.
Electrical Connections
A wiring diagram is located inside the control box for connection data.
If local codes permit, power to the dryer can be made by the use of a flexible U.L. listed power cord/pigtail (wire
size must conform to rating of dryer), or the dryer can be hard wired directly to the service breaker panel. In both
cases, a strain relief must be installed where the wiring enters the dryer.
The “LINE POWER” and the “GROUND” connections to the dryer must be made through the knockout hole at
the top of the electric service/relay box. A strain relief must be used where the line power ground wires go into the
electric service/relay box.
a. 3-Phase (3ø) Wiring Connections/Hookup
The electrical connections on ALL 3-phase (3ø) gas dryers are made into the rear service box located at the
upper left area of the dryer. The electrical connections are made at the power distribution block located in the
service box. The ground connection is made to the copper lug, also provided in this box. To gain access, the
service box cover must be removed.
IMPORTANT: A separate protected circuit must be provided to each dryer.
The neutral will only be used on 4-wire
service. This is typical for 380-416V,
50 Hz.