Arc Machines 207 - Manual (Page 71)

MODEL 207A AND 207A-1
OPERATION MANUAL
Doc. No. 740044
Rev F
SECTION VIII - OPTIONS
8.0 INTRODUCTION
The following are installation and operation instructions for M-207A options.
Some options have their own manual and these items are not discussed in this
section.
WARNING
Always turn the power supply OFF before making any cable or connection changes
to the M-207A power supply.
8.1
M227/207-CW & M207-CW COOLING UNIT SPECIFICATIONS/INSTALLATION
1. Specifications -
1. AC Input Power - supplied from the M-207A 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
6. Weight - 50 lbs. (22.7 kg) M207-CW filled
3. Pump - Both M227/207-CW & M207-CW water pumps have built-in pressure
regulators set at 60 PSI, and flow rate FAULT detect switches.
4. Installation
1. Insure that the M-207A is OFF, remove the power cable from the M-207A
and set the CW ON/OFF switch to the OFF position (see figure 8).
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!
8.1