Delta 70-200 Instruction Manual download pdf (Page 7)

EXTENSION CORDS

Use proper extension cords. Make sure your extension cord is in good condition and is a 3-wire

extension cord which has a 3-prong grounding type plug and matching receptacle which will accept the machine’s

plug. When using an extension cord, be sure to use one heavy enough to carry the current of the machine. An

undersized cord will cause a drop in line voltage, resulting in loss of power and overheating. Fig. D-1 or D-2, shows

the correct gauge to use depending on the cord length. If in doubt, use the next heavier gauge. The smaller the gauge

number, the heavier the cord.

Fig. D-1

Fig. D-2

MINIMUM GAUGE EXTENSION CORD

RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC MACHINES

Ampere Total Length Gauge of

Rating Volts of Cord in Feet Extension Cord

0-6 120

up to

25 18 AWG

0-6 120 25-50 16 AWG

0-6 120 50-100 16 AWG

0-6 120 100-150 14 AWG

6-10 120

up to

25 18 AWG

6-10 120 25-50 16 AWG

6-10 120 50-100 14 AWG

6-10 120 100-150 12 AWG

10-12 120

up to

25 16 AWG

10-12 120 25-50 16 AWG

10-12 120 50-100 14 AWG

10-12 120 100-150 12 AWG

12-16 120

up to

25 14 AWG

12-16 120 25-50 12 AWG

12-16 120

GREATER THAN 50 FEET NOT RECOMMENDED

MINIMUM GAUGE EXTENSION CORD

RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC MACHINES

Ampere Total Length Gauge of

Rating Volts of Cord in Feet Extension Cord

0-6 240

up to

50 18 AWG

0-6 240 50-100 16 AWG

0-6 240 100-200 16 AWG

0-6 240 200-300 14 AWG

6-10 240

up to

50 18 AWG

6-10 240 50-100 16 AWG

6-10 240 100-200 14 AWG

6-10 240 200-300 12 AWG

10-12 240

up to

50 16 AWG

10-12 240 50-100 16 AWG

10-12 240 100-200 14 AWG

10-12 240 200-300 12 AWG

12-16 240

up to

50 14 AWG

12-16 240 50-100 12 AWG

12-16 240

GREATER THAN 100 FEET NOT RECOMMENDED

3. 240 VOLT SINGLE PHASE OPERATION

The motor supplied with your saw is a dual voltage,

120/240 volt motor. It is set at the factory at 120 volts. If

it is desired to operate your machine at 240 volts, single

phase, it is necessary to reconnect the motor leads in

the motor junction box by following instructions given on

the motor nameplate or inside the junction box.

MAKE SURE MOTOR IS

DISCONNECTED FROM POWER SOURCE BEFORE

RECONNECTING MOTOR LEADS.

It is also necessary to replace the 120 volt plug, supplied

with the motor, with a UL/CSA listed plug suitable for

240 volts and the rated current of your machine as

illustrated in Fig. C. Contact your local Authorized Delta

Service Center or qualified electrician for proper

procedures to install the plug. The machine must comply

with all local and national electrical codes after the 240

volt plug is installed.

The machine with a 240 volt plug should only be

connected to an outlet having the same configuration as

the plug illustrated in Fig. C. No adapter is available or

should be used with the 240 Volt plug.

IN ALL CASES, MAKE CERTAIN THE

RECEPTACLE IN QUESTION IS PROPERLY GROUNDED. IF

YOU ARE NOT SURE HAVE A QUALIFIED ELECTRICIAN

CHECK THE RECEPTACLE.

Fig. C

GROUNDED OUTLET BOX

CURRENT

CARRYING

PRONGS

GROUNDING BLADE

IS LONGEST OF THE 3 BLADES

4. Permanently connected machines:

If the machine is intended to be permanently connected, all

wiring must be done by a qualified electrician and conform

to the National Electric Code and all local codes and

ordinances.

* THREE PHASE OPERATION: Three phase machines

are not supplied with a power cord and must be

permanently connected to a building’s electrical

system. Extension cords can’t be used with a three

phase machine.

* LVC MAGNETIC MOTOR CONTROL: If you purch-

ased a machine that has a Low Voltage Magnetic Motor

Control System, refer to its instruction manual for

installation guidance.

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Delta 70-200 Instruction Manual Page 7

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