T1 t2, Min max, Scenario 2 scenario 3 – Hoyles MayDay - Lone worker alarm User Manual

Page 2

The working practice here and operation is the same as 2 above but the

A MAYDAY and an auto-dialler are needed, no other ancillary devices are

responder(s) is remote from the site.

needed though one or more OK/ AV buttons may be of benefit to the worker. An
alternative to OK buttons would be one or more Passive Infra Red detectors, this

The communication to the responder uses an auto-dialler via a landline.

could allow for hands free operation.

Signalling can also be given for the start and end of lone working. Up to
three responders telephone numbers can be programmed into the dialler.

1 x LMW2

Each is dialled in turn until acknowledge by the responder dialling 8. A

1 x SD1E Autodialer to contact the responder

fourth number can be programmed for the lone worker. If no responder

1 or more S1703PR or S1708PR used as AV/OK buttons and/or PIRs for the

acknowledges then the lone worker is automatically called to advise that

worker.

he/she will be working alone without cover. A separate landline or mobile is

1 x Mobile phone for the worker (Optional)

required for this return call.

PIR

The working practice in force here allows lone working for long periods of

is needed, no other ancillary devices are needed though a repeat AV indicator(s)

time. It could be a full 8 hour shift but on a remote part of a site. The

with OK acknowledge buttons may be of benefit for the worker depending on the

responder(s) could be some distance away but on the same site.

size of the working area. An alternative to an OK button would be one or more
Passive Infra Red detectors, this could allow for hands free operation.

The worker would arm the MAYDAY to start the countdown timer. Pre-
alarms are generated in the same way as in 1 above. Periodically the

1 x LMW2

worker presses an OK button to restart the countdown timer. If the worker

1 or more S1778PR used as AV units located near the responder

does not, then eventually the MAYDAY generates a full alarm at a remote

1 or more S1703PR or S1708PR used as AV/OK buttons (Optional) and/or

audible/visual indicator AV to alert the responder.

PIRs (Optional) for the worker.

A MAYDAY and an AV indicator within earshot of the responder are all that

AV
OK

PIR

T1 T2

MIN

MAX

S
D
C

TPR

BATTERY FUSE

IN1 IN2 IN3 IN4 IN5 +

NC COM NO NC COM NO NC COM NO

RELAY 1

RELAY 2

RELAY 3

16 V

BATTERY

CONNECTOR

T1 T2

MIN

MAX

S
D
C

TPR

BATTERY FUSE

IN1 IN2 IN3 IN4 IN5 +

NC COM NO NC COM NO NC COM NO

RELAY 1

RELAY 2

RELAY 3

16 V

BATTERY

CONNECTOR

Optional S1703PR or
S1708PR AV Unit with
OK Button

Optional S1703PR or (08)
AV Unit with OK Button

Optional S1778PR
AV Unit

Sited in work area to give
audible & visual indication
and act as an OK
acknowledge button.

Sited in responder area to
give audible & visual
indication that assistance
is needed.

PIR

One or more optional PIR
movement detectors in
the work area.

Battery connection are not shown for
clarity

One or more
optional PIR
detectors
in the work area.

Tamp Abort

C B A

O/P1-ve
0v
+12vdc

B1
A1
B
A

Landline

A= White
B= Orange

Trig
Polarity

+
-

To transformer in back box

Transformer & battery
connections are not
for clarity

Scenario 2

Scenario 3

L1
L2

P1
P2