0
R a m p Differential Expansion Monitor Maintenance
•
•
111 I Te s t Alarms
DOWER S U R P
■
-1111.111.1=
P0WOMITOR
PROX I OS I TOR
m u _ T ! M E T E R
84414-01
S I G N A L
INPUT REL
NIODuL E
POWER S I : D P L '
M
E
T
E
R
4 2 1 1
+ !
.
-
1. Disconnect COM and IN wiring from the channel A
and channel B terminals on the Signal Input Relay
Module.
2. Connect the multimeters and the power supplies.
3. Adjust t h e voltages s u c h t h a t t h e differential
expansion signal is between the Long and Short alarm
setpoints o n t h e m o n i t o r.
4. Press the RESET switch and verify that the OK
LEDs are on, and the ALERT and DANGER LEDs are
off.
CAUTION
Tests will exceed alarm setpoint
levels causing alarms t o activate.
This could result in relay contact to
change state. See Danger Bypass
section 10.
WARNING
High Voltage present
Could cause shock, burns
or death.
Do Not touch exposed
wires or terminals.
1 9
Содержание 3300/46
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Страница 30: ...3300 46 RAMPDIFFERENTIAL EXPANSION MONITOR MAINTENANCE MANUAL BENTLY r NEVADA PART NO 84414 01...
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Страница 74: ...Ramp Differential Expansion Monitor Maintenance Appendix SCHEMATICS AND PWA DRAWINGS 84414 01 Appendix...
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Страница 84: ...I 1 I E l i l t L_ C I i J _ 1 _ 1 I Ramp Differential Expansion Monitor Schematic Block Diagram Sheet 10 of 11...