Tweco GCM-6000 Gas Control - Manual (Page 15)

Manual 0-2641 9 INTRODUCTION & DESCRIPTION
SECTION 2:
INTRODUCTION &
DESCRIPTION
2.01 Scope of Manual
This manual contains descriptions, operating instructions
and maintenance procedures for the Gas Control Mod-
ule GCM6000 Accessory. Service of this equipment is re-
stricted to properly trained personnel; unqualified per-
sonnel are strictly cautioned against attempting repairs
or adjustments not covered in this manual, at the risk of
voiding the Warranty.
Read this manual thoroughly. A complete understand-
ing of the characteristics and capabilities of this equip-
ment will assure the dependable operation for which it
was designed.
2.02 General Description
The Gas Control Module GCM6000 Accessory extends
the necessary system gas controls away from the Merlin
6000GST Power Supply to enable remote selection of
Plasma and Secondary Gases. The unit consists of front
panel selector switches, flow and pressure adjustments.
All connections to the unit are made at the rear panel.
A-01791
Figure 2-1 Gas Control Module GCM6000
2.03 Specifications & Design
Features
The following applies to the Gas Control Module only.
1. System Compatiblility
The Gas Control Module was designed to be used with
the Merlin 6000GST Plasma Cutting System only
2. Front Panel Controls and Indicators
MODE Switch for RUN, PILOT SET, PLASMA SET,
or SEC SET
PLASMA Gas Section Switch for AIR, O
2
(Oxygen), N2
(Nitrogen), or Ar/H
2
(Argon/Hydrogen)
SECONDARY Gas Selection Switch for Air, N2 (Ni-
trogen), OTHER, or H
2
O (Water)
PREFLOW, PLASMA and SECONDARY Gas Regu-
lators and pressure gauges
PREFLOW and PLASMA Flowmeters with valves
3. Rear Panel Connections
Input and output gas connections for PREFLOW,
PLASMA and SECONDARY
Gas Control Interface Cable input and output connec-
tions
4. Dimensions (H x W x D)
12 x 10 x 6 inches (305 x 254 x 152 mm)
5. Weight
16 lbs (7.26 kg)
2.04 Options and Accessories
A. Secondary Gas/Water (H
2
0) Flow Control
An option that can be added to control the flow of gas
and water when used as the secondary. Contains con-
trol solenoids, flowmeters and control valves for ac-
curate setting of secondary used.
NOTE
This Option must be installed on the Gas Control
Module (GCM6000) if water is to be used as the
secondary or gas flow control is required.