Michell Instruments XTP601, Руководство пользователя

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XTP601 User’s Manual
Michell Instruments 29
INSTALLATION
4.3 Set-Up
• The XTP601 is designed to be panel or wall mounted. There are 2 bolt
holes and 2 lugs (1 per corner) see Figure 11. Dimensional drawings can
be found in Appendix B. Mount the analyzer before attempting to remove
the lid.
WARNING: This unit is 24 V DC powered only!
Do not attempt to loop-power this instrument via the 4-20
mA output as this will irreversibly damage the main pcb.
• The EXd thread is greased and therefore it may be advisable to wear latex
gloves.
• Ensure that the grub screw is loose, using the hex key (supplied), to
prevent scoring on the casing.
• Connect the earthing strap to the earth point on the right hand side ofthe
case.
• Remove the lid, using the lid keys (supplied). The lid will require a firm
grip to loosen.
M5 Locking Grub Screw
g
g g
Figure 29 XTP601 Lid Removal
• If fitted, remove the display / status pcb via the two ¼ turn quick-connect
fittings.
• Disconnect the ribbon / interconnecting cable from the loose pcb.
WARNING: Prior to connecting power, ensure the unit is
correctly earthed via the earth point on the right hand side
of the case.
• Connect to the power and outputs (see Section 4.5).
• After making all necessary connections, reconnect the pcb via the ribbon/
interconnecting cable & quick-connect fittings and replace the lid, ensuring
at least 7 full turns on the thread to complete the gas path.
• Use the hex key (supplied) to tighten the grub screw. NOTE: This is
necessary in order to adhere to the hazardous area certification
requirements.
• For operating instructions refer to Section 2.