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113215-5 www.amdry.com 17
G. GAS INFORMATION
It is your responsibility to have ALL plumbing connections made by a qualified professional to ensure that the
gas plumbing installation is adequate and conforms to local and state regulations or codes. In the absence of
such codes, ALL plumbing connections, materials, and workmanship must conform to the applicable requirements
of the National Fuel Gas Code ANSI Z223.1-LATEST EDITION, or in Canada, the Canadian Installation Codes
CAN/CGA-B149.1-M91 (Natural Gas) or CAN/CGA-B149.2-M91 (Liquid Propane [L.P.] Gas) or LATEST
EDITION.
IMPORTANT: Failure to comply with these codes or ordinances, and/or the requirements stipulated
in this manual, can result in personal injury and improper operation of the dryer
The dryer and its individual shutoff valves must be disconnected from the gas supply piping system during any
pressure testing of that system at test pressures in excess of 1/2 psig (3.5 kPa). The dryer must be isolated
from the gas supply piping system by closing its individual manual shutoff valve during any pressure test of the
gas supply system at test pressures equal to or less than 1/2 psig (3.5 kPa).
IMPORTANT: Failure to isolate or disconnect the dryer from supply as noted could cause irreparable
damage to the gas valve, which will VOID THE WARRANTY.
5. 3-Phase (3ø) Wiring Connections
The only electrical input connections to the dryer are the 3-phase (3ø) power leads (L1, L2, L3, and
sometimes Neutral) and ground. Single-phase (1ø) power for the control circuits is done internally to the
dryer. No single-phase (1ø) input connection is required on a 3-phase (3ø) dryer.
3-Phase (3ø) Hookup
For gas dryers manufactured for operation at 3-phase (3ø), the electrical input connections are made at the
terminal blocks located in the top electrical box at the rear of the dryer.