Specifications

MR-2320 Series Installation and Operation Manual

of Abort Delay in the configuration. When the release timer expires, the corresponding releasing circuit is activated.

When the panel is in normal condition, activation of the Abort Switch will cause a trouble signal and the

corresponding zone amber LED turns on at slow flash rate.

Manual Release Switch

Activation of the Manual Release Switch of a hazard area will activate the corresponding releasing circuit. If the

corresponding Manual Release Delay is non-zero, the releasing circuit will be activate after the Manual Release

Delay expires.

Combination of Abort Switch and Manual Release Switch

This type of circuit is the combination of both Abort Switch and Manual Release Switch. This combination always

applies to the same hazard area. A short condition on the circuit is a Manual Release Active and a current limit

condition is an Abort Switch Active.

Indicating (Signal) Circuits Types

Silenceable Signal

The Silenceable Signal circuit is used for audible devices such as bells and piezo mini-horns that may be silenced

either manually or automatically.

Non-Silenceable Signal

The Non-Silenceable Signal Circuit is used for audible devices such as bells and piezo mini-horns that may not be

silenced either manually or automatically. While sounding, these devices follow the evacuation code pattern that is

configured by the user. For more information on evacuation codes, refer to Evacuation Codes on page.

Silenceable Strobe

Silenceable strobes will be silenced when the “signal silence” key is pressed.

Non-Silenceable Strobes

Non-Silenceable Strobes will not be silenced when the “signal silence” key is pressed.

Evacuation codes

Continuous On 100% of the time

Temporal Code 3 of 0.5 second on, 0.5 second off then, 1.5 second pause

20 BPM 1.5 seconds on, 1.5 seconds off

60 BPM 0.5 second on, 0.5 second off

120 BPM 0.25 second on, 0.25 second off

Figure 21: Evacuation and Alert Codes

CONTINUOUS

TEMPORAL CODE

0.5s

1.5s 1.5s

0.5s

0.25s 0.25s

0.5s

1.5s

20 BPM

60 BPM

120 BPM