Aiphone KA-1MRD User manual

2 INSTALLATION
Fully expanded system
KA-1MRD one camera and one monitor system can be expanded with MK-1SD/B audio only handset,
with both capable of answering and releasing the door. Call extension speaker IER-2 can be attached
to each room station.
KA-DAR KA-1MRD
EL-9S IER-2
PS-2410A
PT
IER-2
PS24 : PS-2410A,24V DC, 1A
PT : AC transformer PT-1210N in US
Relay : MAW-B relay
max.
100m (330') max.
100m (330')
25
2
2
2
MK-1SD/B
Auxiliary light
2
Light switch
AC
Relay
Wiring
1. Cabling  Keep audio/video wires at least 30cm, 1' away from any AC power lines, fluorescent and
   dimmer switches to avoid noise interference.
2. Type of cable  Use a parallel cable for connecting door station KA-DAR. Do not use coaxial cable,
   individual wires, or shielded cable.  
3. Existing cable  When existing cable for chime is used, be sure to locate and disconnect the bell
   transformer. If unused wires exist in the cable, terminate each extra pair with
   a 120Wresistor at each end (also in the cable to audio only station).
4. Cable specifications
   (1) 0.65mm to 1.2mm (22AWG to 16AWG)
   (2) Vinyl jacketed and PE(polyethylene) insulation.
   For other types, limit use for distance up to 30m, 100'.
   (3) Single core conductor. If stranded, solder the end of conductor.
5. KA-DAR mounting location
   (1) KA-DAR door station employs CCD video camera, which is affected by strong light,
   such as direct sunlight, porch light or street light which come directly into camera lens.
   (2) 30° Angle Box KAW-D
   KAW-D surface-mounts on wall (single-gang size). KAW-D can be used to angle the
   KA-DAR 30°toward the door. Reversible design allows KA-DAR on either side of door.
- 3 -
Connect wires, attach
back frame to KAW-D
and remount KA-DAR.
30 °
105mm (4-1/8")
Back frame
Screw (2)
supplied KAW-D
KA-DAR
142mm
(5-5/8")
KAW-D
DOOR
KA-DAR
30°
65cm
Image viewing area