Aiphone LEM-3 user manual

Summary of the content on the page No. 1

LEM-1 MANUAL E TH 0901 A A
LE Series
MASTER SELECTIVE INTERCOM
Models:
LEM-1
LEM-3
INSTALLATION & OPERATION MANUAL
1 1 SYSTEM OUTLINE & COMPONENTS
LEM Open Voice Master Selective Intercom System is a single master system with 1- and 3-call master stations.
Works with “LE” style door and inside sub stations.
LE-A/AN
LEM-1
LE-D
2
2
LE-D
LEM-3 LE-A/AN
PS6
2 2
PS6

Package contents
PS6 : 6V DC power supply.
• LEM master (LEM-1 or LEM-3)
• Mounting bracket (LEM-1 only)
• Packet of screws
• Inst

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3 3 PRECAUTIONS ON INSTALLATION & WIRING CAUTION ★ LEM equipment, except for LE-D or LE-DA, is designed for indoor use only. Do not install outdoors. ★ LEM is an electrical device, which must not be exposed to water or any other liquid. ★ Do not connect AC wires to any terminal on any unit. ★ Do not connect any power source other than specified to terminals +, – on LEM. Doing so can cause fire or damage the unit. ★ Unplug power supply while making any wire terminations. ★ Do not install LEM eq

Summary of the content on the page No. 3

UP
Adjusting voice volume Voice communication volume is adjustable with the switch which is located on right side on LEM-1, and on bottom of front panel of LEM-3.
LE sub stations Do not connect more than one LE station on a numbered terminal, as it causes inferior call tone and voice. Do not parallel two LEM masters connected to the same sub station.
Wiring diagrams • LEM-1 system • LEM-3 system LEM-3 LEM-1 LE sub(any) LE sub(any) NP NP 1 1 1 1 E E E – – 2 1 E E – + 3 1 PS6 – E – + PS6 – ★

Summary of the content on the page No. 4

Receiving during communication (on LEM-3) Call-in from another sub lights an LED only, staying 20 seconds. Upon present communication finished, depress an LED lit selector button.
LE sub stations To call LEM master, simply press CALL button. It rings on LEM as long as the button is depressed. Upon selected, voice from LEM is heard, reply handsfree toward the unit. 7 7 TECHNICAL PRECAUTIONS ★ LEM equipment is rated to operate between temperatrues 0°C ~ +40°C (+14°F ~ +104°F). ★ LE-D & LE-DA d