3-36 | Thermox Series 2000 WDG-HPII / HPIIC - ATEX
Combustibles detector alarm connections
If you have the combustibles option, two sets of alarm relay contact are
available to activate for high combustibles levels, and are labeled as follows
(see Figure 3-18).
ALARM 5A
ALARM 6A
ALARM 5B
ALARM 6B
Loss of Pressurization - Alarm Contact
If pressure drops below 0.15” of water column ±0.02”, contact will transfer
on the pressure switch (see Figure 3-19 and Figure 3-20).
ALARM SYSTEM
POWER SOURCE
N.O.
N.C.
PRESSURE
SWITCH
LOCAL ALARM
HORN OR BEACON
Figure 3-19.
Switch location.
Figure 3-19.
Sample schematic -
contact transfer.
COMMON
NORM
OPEN
NORM
CLOSED
Содержание Thermox 2000 ATEX Series
Страница 18: ...1 8 Thermox Series 2000 WDG HPII HPIIC ATEX This page intentionally left blank...
Страница 24: ...2 6 Thermox Series 2000 WDG HPII HPIIC ATEX This page intentionally left blank...
Страница 68: ...3 44 Thermox Series 2000 WDG HPII HPIIC ATEX This page intentionally left blank...
Страница 128: ...5 28 Thermox Series 2000 WDG HPII HPIIC ATEX This page intentionally left blank...
Страница 149: ...Service and Parts 7 3 Figure 7 1 Wiring diagram for standard sensor...
Страница 151: ...Service and Parts 7 5 Figure 7 2 Cell replacement...
Страница 153: ...Service and Parts 7 7 Figure 7 3 Furnace thermocouple replacement...
Страница 157: ...Service and Parts 7 11 Figure 7 5 Furnace replacement...
Страница 159: ...Service and Parts 7 13 Figure 7 6 Combustibles detector replacement Hot Wire...
Страница 196: ...B 4 Thermox Series 2000 WDG HPII HPIIC ATEX This page intentionally left blank...
Страница 202: ...D 2 Thermox Series 2000 WDG HPII HPIIC ATEX This page intentionally left blank...