Environmental Monitoring System (EMS-5 / 10) Instruction Manual
22
4.3
Alarm Mode
Occurs automatically if the presence of water (i.e. a
leak
) or excess humidity is detected.
Relevant water zone LED(s) FLASH RED
Touch Button(s)
Hold Time
Effect
Mute
Instant
Disable sounder.
Reset
Instant
Clear alarm condition and disable sounder (if mute not already
pressed). The relevant water zone LED(s) turn solid red while
the EMS checks the issue has been resolved; If so, the LED(s)
will then switch off.
Test
Instant
Same as in monitor mode (section
), except the EMS will
return to alarm mode after the 10 second test.
Mute and Reset
3 seconds
). Relevant water zone LEDs
will turn solid red while the EMS checks if the issue has been
resolved.
Table 7:
Alarm Mode Button Inputs and Effects
4.4
Override Mode
3.2.1 Relay Functions and Triggers
The sounder is disabled in this mode, which is for engineers. In this mode, if a fault or alarm occurs:
Before:
Relevant water and cable break zone LEDs will change from flashing to solid. Relay 11
(Common Alarm / Fault) will unlatch; where latched relays 12 (cable break) and 13 (Alarm) will not
unlatch until the issue has been resolved and override mode has been exited.
After:
Relevant water and cable break zone LEDs will function as normal (i.e. flash). No
motherboard relays will latch.
Override LED SOLID RED
Touch Button(s)
Hold Time
Effect
Mute
Disabled
No effect.
Reset
Instant
If an alarm or fault is detected, the relevant water (red)
and/or fault (amber) LEDs will turn solid while the EMS checks
if the issue has been resolved. If so, the LED(s) will then switch
off.
Test
Disabled
No effect.
Mute and Reset
3 seconds
Exit override mode.
Table 8:
Override Mode Button Inputs and Effects
