Maintenance - Bien-Air Dental PL 970 Mode D'emploi

Starting air pressure
REF 149.37.03-001: 50 kPa
REF 149.37.06-001: 170 kPa
Air pressure
PLPE 970 & PLPE 970 FO:
300 kPa (3 bar) in order to obtain
24 Vdc for the use of an MC2 motor
or an MC3 motor.
Motor connector
Plug-in, screw terminals, 10 poles
(8 effective), 5 mm spacing.
R
Bulb connection
Male/female, plug-in, screw termi-
nals, 2 poles.
Short circuit protection of
motor PCB
Protected against direct short circuit
between motor output leads for 10
seconds.
Short circuit protection of light
PCB
Protected against direct short circuit
between light output leads for 10 sec-
onds.
ENG
Attention
The electronics controls are not fitted
with a shut-down safety device in
case the motor is obstructed.
Motors
MC2 (Isolite) / MC2 GT and MC3.
Current limitation
MC2 IR and Isolite 3.5 A
MC2 GT and MC3 4.5 A
Minimal transformer's power
MC2 IR and Isolite:
80 VA (guiding value).
MC2 GTAV and MC3:
120 VA (guiding value).
Speed of rotation of the motor
from 4,000 to 40,000 rpm ±10% due
to the addition of the errors of the
potentiometer, electronics, cable and
motor.
P=
External controls
(motor PCB)
Switch
REF 149.37.01
ON
REF 149.37.02
REF 149.37.03
for motor MC2
2
1
SW 1-1 OFF
SW 1 SW 1-2 ON
Terminals 9 & 10
REF 149.37.06
ON
for motor MC3
SW 1-1 ON
SW 1-2 OFF
1 2
Terminals 9 & 10
SW 1
Possibility for additional adjustment:
Motor MC2 40 GT
ON
SW 1-1 OFF
SW 1-2 OFF
Terminals 9 & 10
1 2
SW 1
• Automatic coupled control with
N
T1 =
• Automatic coupled control 24 V to
U
300 kPa (3 bars) with T2 =
• External speed control potentio-
meter = REF 801.12.06
External controls (light PCB)
• Output voltage bulb control (FO)
Q
with T5 =
• Light supply selection: motor
S
control/continuous =
Motor connections
Double output for MC40, MC40 GT
and MC3 (terminals 9 and 10); see
P
external adjustments . The elec-
tronics are fitted with a start "offset".
If your motor does not stop, check
that the resistance value is less than
0.5 kohm between terminals 6 and
7 when the potentiometer is in the
minimum position.

Maintenance

Overhaul
Never disassemble the device. For all
modification and repair, we recom-
mend that you contact your regular
supplier or Bien-Air Dental directly.
Bien-Air Dental asks the user to have
its dynamic instruments checked or
inspected at least once a year.
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