RKI Instruments Pioneer 4W - Manual (Page 25)

Pioneer Gas Monitor Operator’s Manual Operation • 21
2. After the gas reading falls below the alarm 1 setpoint, press the reset switch to reset
the alarm 1 circuit. Resetting the alarm 1 circuit silences the buzzer, turns off the
ALARM 1 light, and de-energizes the common and analyzer card alarm 1 relays.
NOTE: To silence the buzzer while in an alarm 1 condition, press the reset switch.
You cannot de-energize the alarm 1 relays until the gas reading falls below
(above for oxygen) the alarm 1 setpoint.
Alarm 2 Condition
This section describes the audible and visual indications for an alarm 2 condition and
suggests response to an alarm 2 condition.
Alarm 2 condition indications
When the gas reading of an active channel reaches the alarm 2 setpoint, the Pioneer senses
an alarm 2 condition. The Pioneer alerts you to an alarm 2 condition as follows:
• the ALARM 2 light turns on
• the gas reading in alarm 2 condition continues to flash
• the buzzer sounds a faster pulsing tone than an alarm 1 condition
• the common alarm 2 relay energizes
• the alarm 2 relay on the applicable analyzer card energizes
Responding to an alarm 2 condition
This section suggests response to an alarm 2 condition.
1. Follow your established procedure for a mid level combustible or toxic gas condition
or a severe decreasing oxygen content condition.
2. After the gas reading falls below the alarm 2 setpoint, press the reset switch to reset
the alarm circuit. Resetting the alarm circuit turns off the ALARM 2 light, and
de-energizes the common and analyzer card alarm 2 relays.
NOTE: To silence the buzzer while in an alarm 2 condition, press the reset switch.
You cannot de-energize the alarm 2 relays until the gas reading falls below
(above for oxygen) the alarm 2 setpoint.
Alarm 3 Condition
This section describes the audible and visual indications for an alarm 3 condition and
suggests response to an alarm 3 condition.
Alarm 3 condition indications
When the gas reading of an active channel reaches the alarm 3 setpoint, the Pioneer senses
an alarm 3 condition. The Pioneer alerts you to an alarm 3 condition as follows:
• the ALARM 3 light turns on
• the gas reading in alarm 3 condition continues to flash (the gas reading for O
2
channels begins flashing)
• the buzzer sounds a faster pulsing tone than an alarm 1 or alarm 2 condition
• the common alarm 3 relay energizes
• the alarm 3 relay on the applicable analyzer card energizes