Pneumatic Connections; Electric Connections - Fairchild TXI7800 Instrucciones De Instalación, Uso Y Mantenimiento

Panel / Wall
Mounting
Configuration
2" Pipe Mounting
Configuration

Pneumatic Connections

Pneumatic Connections
Clean all pipelines to remove dirt and scale before installation.
Clean all pipelines to remove dirt and scale before installation.
Apply a minimum amount of pipe compound to the male threads of the fitting only. Do not use teflon tape as a sealant. Start with
Apply a minimum amount of pipe compound to the male threads of the fitting only. Do not use teflon tape as a sealant. Start with the third
the third thread back and work away from the end of the fitting to avoid the possibility of contaminating the transducer. Install the
thread back and work away from the end of the fitting to avoid the possibility of contaminating the transducer. Install the transducer in the air
transducer in the air line. The inlet and outlet ports are labeled on the side of the transducer. Tighten connections securely. Avoid line. The inlet and outlet ports are labeled on the side of the transducer. Tighten connections securely. Avoid undersized fittings that will limit
the flow through the transducer and cause a pressure drop downstream. For detailed information, see Figure 2. "TXI7800/TXI7850 Outline
undersized fittings that will limit the flow through the transducer and cause a pressure drop downstream. For detailed information, see
Dimensions" on page 1.
Figure 2. "TXI7800/TXI7850 Outline Dimensions" on page 1.

Electric Connections

Electric Connections
Make connections to the Terminal Block through the 1/2-14 NPT Conduit Port in the base of the housing as shown below in Figure 4.
"Electrical Connections".
Make connections to the Terminal Block through the 1/2-14 NPT Conduit Port in the base of the housing as shown below in Figure 4.
"Electrical Connections".
NOTE: Instrument quality air, per ISA Standards S7.3-1981, is required. Use a filter, ahead of the transducer, to remove dirt and
liquid in the air line. If an air line lubricator is used, it MUST be located downstream, beyond the transducer.
NOTE: Instrument quality air, per ISA Standards S7.3-1981, is required. Use a filter, ahead of the transducer, to remove dirt
The user is responsible for insuring that the environment in which the unit will be installed, and the operating gas, is compati-
and liquid in the air line. If an air line lubricator is used, it MUST be located downstream, beyond the transducer.
ble with the materials in the transducer.
The user is responsible for insuring that the environment in which the unit will be installed, and the operating gas, is
compatible with the materials in the transducer.
Wiring in Hazardous Areas
Wiring in hazardous areas should be performed in
accordance with T_ _able 1. and any local codes
that apply.
Table1. Hazardous Location Wiring Practices
Country Agency
U.S. FM ANSI/ISA RP 12.6
ANSI/NFPA70
Canada CSA CEC Part1
Europe ATEX EN 50 039, EN 60079-
14, IEC 60079-14
Australia SAA AS/NZS 3000, AS2381.1
Intrinsically Safe Connections
Refer to the latest revision of the indicated drawing.
Table 2. Intrinsically Safe Connections
Underwriting Group
FM (Factory Mutual)
CSA (Canadian Standards Assoc.)
ATEX
SAA (Standard Australia Assoc.)
For "U" option BSPT
Mounting Kit 19021-2
Includes the following:
Stainless Steel Mounting Bracket
Two M6 X 12mm Screws
2" Pipe Clamp
Mounting Kit 19021-1
Includes the following:
Stainless Steel Mounting Bracket
Two 1/4-20 x 7/16" Screws
2" Pipe Clamp
Figure 3. Mounting Kit 19021-1. (Sold Separately)
Code
NOTE:
TappedExhaust
Option"E"
Requiredwith
NippleOption"N"
Drawing Number
"N"Option
EC- 18970 NaturalGas
ApprovalOnly
EC- 18971
EC- 18972
EC- 19271
Figure 4. Electrical Connections
NOTE:
TappedExhaust
Option"E"
Requiredwith
NippleOption"N"
"N"Option
NaturalGas
ApprovalOnly
Figure 4. Electrical Connections.
2
2
Terminal
Block(TB1)
Terminal
Block(TB1)