Arc Machines 227 - Manual (Page 83)

MODEL 227
OPERATION MANUAL
Doc # 740063 Rev E
SECTION VIII - OPTIONS
8.0 INTRODUCTION
The following are installation and operation instructions for some M-227 options.
WARNING
Always turn the power supply OFF before making any cable or connection changes to
the M-227 power supply.
8.1 M227/207-CW & M207-CW COOLING UNIT SPECIFICATIONS/INSTALLATION
1. Specifications -
1. AC Input Power - supplied from the M-227 power supply.
2. Coolant capacity - 3 gallons (11.4 liters).
3. Circulation - 0.3 GPM (1.1 lpm) with most M-9 Heads.
2. Physical Construction -
1. Material - aluminum cabinet/Polyethylene tank.
2. Height - 14.00 inches (355.6 mm)
3. Width - 22.75 inches (577.9 mm)
4. Depth - 19.25 inches (489.0 mm)
5. Weight - 70 lbs. (31.75 kg) M227/207-CW filled
- 50 lbs. (22.7 kg) M207-CW filled
3. Pump- Both M227/207-CW & M207-CW water pumps have a built-in pressure
regulators set at 60 PSI, along with an external flow rate FAULT detect switches.
4. Installation
1. Insure that the M-227 is OFF, remove the power cable from the M-227
and set the CW ON/OFF switch to the OFF position.
2. The cooling unit is shipped dry and requires 3 gallons (11.4 liters) of
CLEAN DISTILLED or DE-IONIZED water. In areas where freezing
temperatures are expected, add 2 gallons (7.6 liters) of CLEAN
DISTILLED or DE-IONIZED water and 1 gallon (3.8 liters) of pure
ethylene glycol. DO NOT USE AUTOMOTIVE ANTI-FREEZE
NOTE
All cooling systems are subject to problems from mineral buildup, algae and bacteria.
Frequent changes of coolant and flushing of the system are necessary to keep any
cooling system running efficiently. Frequency of changes is strictly dependent on the
environment and quality of coolant used. Monitor your cooling system carefully and often.
8.1