FurnacePros LA-309, Руководство пользователя

Страница: 95 / 282

Product Specification
Page 17 of 18 1303090MS01
LA-309 Controlled Atmosphere Infrared Furnace April 15, 2009
Table 17-1. Optional Equipment
KEY DESCRIPTION
HSK Handshake Signaling. NO and NC signals to upstream and downstream equipment or to the production line
controller about the furnace status when the furnace is part of an automatic production line. Requires the Process
Ready/Alarm Light Tower ( LT ) option. Option available on all furnaces.
HT High Temperature Operation. High temperature construction for furnace operation above 500°C up to 1000°C.
Includes upgraded insulation and materials, changes BSS 316 stainless steel belt to BNV Nichrome material, and
adds cabinet temperature thermocouple plus alert/alarm on cabinet temperature. Option available on most furnaces.
IPS Inlet Pressure Switch. Pressure switch upstream of the gas distribution system that signals the operator and the
furnace control system in the event of pressure loss in the process gas supply line. Furnace PROCESS START
mode will be inhibited automatically until pressure is restored to normal.
Option available on most furnaces.
IR-E Interface Roller, Entrance. Small diameter belt rollers at the entrance of the furnace that permit close transfer of
parts from upstream conveyor equipment. The rollers are less than 3 inches (76.2 mm) in diameter. Adds 6.4 cm (2.5
inch) to the length of the furnace.
Option available on most furnaces.
IR-X Interface Roller, Exit: Small diameter belt rollers at the exit of the furnace that permit close transfer of parts to
downstream conveyor equipment. The rollers will be less than 3 inches (76.2 mm) in diameter. Adds 6.4 cm (2.5
inch) to the length of the furnace.
Option available on most furnaces.
LT Process Ready/Alarm Light Tower: Provides a three stage alarm status light tower. The status system activates a
three element alarm light, located above the upper frame, as follows:
o
Red Indicator: Alarm Condition, audible alarm
o
Yellow Indicator: Process Not Ready, no alarm
o
Green Indicator: Process Ready, no alarm
Option available on most furnaces.
MA Moisture Analyzer: Provides a moisture monitoring system for the process atmosphere in a furnace with a hermetic
sealed chamber. A gas sample is withdrawn continuously from a sample port in the furnace chamber through the
analyzer. A switched pump and vacuum break are provided to withdraw the sample. The analyzer is provided with
an inline 1µm filter for removal of particulates from the sample flow. ProControl™ OIT displays dew point in ºC or
moisture as PPM, and alert/alarm conditions.
Option available on most furnaces. Requires OSS option.
N2-S Nitrogen Auto Gas Shutoff: Automatically opens the nitrogen supply inlet valve when the control system is started,
prior to furnace entering WARM UP mode, and automatically shuts off that valve at furnace shutdown after COOL
DOWN mode is complete. Can help minimize waste of process gas and relieves the operator having to return to the
machine to shut off the process gas when the furnace has cooled down. Includes timed delay to assure clearing of all
process gas and emissions from furnace chamber.
Requires NO or NGFS , option available on most furnaces.
NGFS Nitrogen/Forming Gas Selector. Allows ability to select between nitrogen (N
2
) or a nitrogen hydrogen (N
2
/H
2
) mix
(forming gas) process atmosphere in heating chamber of the furnace, depending on process requirements. Requires
HC . Option available on most furnaces.
NO Nitrogen Operation. Allows for efficient use of nitrogen (N
2
) in the furnace, minimizing consumption where an N
2
process atmosphere is required. N
2
is supplied only to oxygen-controlled areas (entrance baffle, heating chamber,
and transition tunnel), while CDA is supplied to eductors and cooling. Controlled atmosphere processes should be
reviewed to assure that the product is below its oxidation temperature before reaching cooling section.
Order with
HC , standard on some furnaces, option available on most furnaces.
OA Oxygen Analyzer: Provides an oxygen monitoring system for the process atmosphere in a furnace with a hermetic
sealed chamber. A gas sample is withdrawn continuously from a sample port in the furnace chamber through the
analyzer. A switched pump and vacuum break are provided to withdraw the sample. The analyzer is provided with
an inline 1 µm filter for removal of particulates from the sample flow. ProControl™ OIT displays oxygen concentration
in PPM, and alert/alarm conditions.
Requires OSS -On-line Gas Sampling. System, option available on most furnaces.
OSS On-line Gas Sampling System: The sampling system provides 4 selectable inputs: 3 sample ports in the furnace
and 1 port with a 13.7 kPa (2 psi) regulator in-line for source gas monitoring or sensor purging to improve sensor
response during startup of sampling. System may be turned on/off and any of the 4 inputs selected via the furnace OI.
Required for OA and MA options, option available on most furnaces
OT Over-temperature Monitor & Shutdown Alarm. Provides completely independent temperature measurement in
each zone with audible alarm and automatic furnace shutdown for temperatures out of range. Includes second
thermocouple for each zone directly connected to separate zone scanner and monitor with display. Alarm integrated
with the furnace
OI . Option available on most furnaces.
PCMS Computer Monitor, Special. Option available on most furnaces.
PH1 Parts Height, 1 inch. Reduces clearance at all baffle and cooling section throats, and zone dividers ) to 25 mm (1
inch) from the standard 51 mm (2 inch). Allows for larger zone-to-zone temperature differences for small parts.
Option available on most furnaces.
PH4 Parts Height, 4 inch. Raises clearance at all baffle and cooling section throats, and zone dividers to 102 mm (4 inch)
from the standard 51 mm (2 inch). Option available on most furnaces.