AIRMAC T20D - Hose ID and Condensate Routing; Electrical Connection Requirements; General Electrical Connection

Instruction Manual
Airmac Air Compressors
2019-06-07
© Glenco Air & Power Pty Ltd
20
Table 5-2
Recommended Minimum Hose ID
for Compressed Air Lines
Length of Hose (metres)
Flow
(L/m)
10 20 30
283
⅜”
⅜”
⅜”
566
⅜”
⅜”
⅜”
1,132
½”
½”
½”
1,698
¾”
¾”
¾”
To convert metres to feet, multiply by 3.281. To convert L/min to cfm, divide by 28.3.
If installing a condensate discharge line from the tank drain valve, the piping must be at least one size
larger than the connection, as short and direct as possible, and routed to a suitable drain point or
waste container. Condensate contains traces of compressor lubricating oil and other substances that
should not be discharged into drains or sewers without pre-treatment.
5.7 Electrical Connection
All electrical installation and service work must be performed by a licensed electrician in accordance
with all applicable regulations.
The electric motor rating as shown on the motor nameplate and the power supply must have
compatible voltage, phase and frequency characteristics.
The required size of electrical wiring between the power supply and the electric motor varies
according to motor power and other factors. Adequately sized wiring must be installed to protect
against excessive voltage drop during compressor start-up and running. If connecting other electrical
equipment to the same circuit, consider the total electrical load when selecting the proper wire size.
Overheating, short circuiting and fire damage may result from undersize wiring.
The compressor must be installed and operated with a power cord or cable that has a properly
connected grounding wire of adequate size.
Portable electric generators are not recommended for operating compressors unless they have
ample generating capacity to provide the requisite starting and running currents without appreciable
voltage or frequency drop.
5.7.1 240 Volt Air Compressors
These models are shipped pre-wired with a compliant flexible electrical supply lead and three-pin
plug ready for “plug and play” installation.
The compressor’s electrical supply lead should be plugged directly into a suitable power point. Avoid
using extension leads because they can damage the electric motor due to under-voltage supply. This
is the most common cause of compressor failure and is not covered by warranty. Always use
additional air hose or pipe instead of an electrical extension lead.
Compressors fitted with a standard three-pin 10 Amp electrical plug (on which all three pins have the
same cross-section) can be connected to a standard 10 Amp socket provided that there are no other
electrical appliances connected to the same branch circuit. They can also be connected to a heavy