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ENGLISH
ENGLISH
These instructions apply to the following models:
844 MC-R
The FAAC model 844MC-R automation for sliding gates is an
electromechanical operator which transmits movement to
the gate leaf by means of a rack and pinion coupled in an
appropriate manner to the sliding gate.
The reversible system allows the gate to be moved manually
when the motor is not in operation. An electric lock must
therefore be installed to ensure that the gate cannot move
when closed.
The gear motor is equipped with an adjustable mechanical
clutch which affords the necessary anti-crushing safety. A
convenient manual release device allows the gate to be
operated in the event of mechanical problems with the gear
motor. The electronic control unit may be housed inside the
operator or in a separate box.
The automation 844MC-R has been designed and built for
vehicle access control. Do not use for any other purpose.
1. DESCRIPTION AND TECHNICAL CHARACTERISTICS
AUTOMATION 844 MC-R & 844 MPSR
TABLE 1
TECHNICAL SPECIFICATIONS OF 844MC-R OPERATOR
1.1.
MAXIMUM UTILISATION CURVE
The curve allows the maximum working time (T) to be obtained
as a function of duty cycle (F).
E.g.: the 844 MC-R operators can work continuously at a duty
cycle of 30%.
To ensure good operation, keep to the field of operation lying
below the curve.
Important
: The curve refers to a temperature of 24°C. Exposure
to direct sunlight can result in a reduction in duty cycle to as
low as 20%.
Calculating duty cycle
The duty cycle is the percentage of effective working time
(o closing) with respect to the total cycle time (opening
+ c pause times).
It is calculated using the following formula:
Ta + Tc
%F =
X 100
Ta + Tc + Tp + Ti
where:
Ta = opening time
Tc = closing time
Tp = pause time
Ti
= interval between one complete cycle and the next.
Graph of duty cycle
Fig. 1
a
Fixing angle bars
b
Pinion
c
Inductive proximity limit switch
d
Spare fuse housing
e
Electronic control unit enclosure
f
844MPSR electronic control unit
g
Breather screw
h
Capacitor
i
Adjusting screw for anti-crushing clutch
j
Bore for access to oil filler cap
k
Cover lock operated with triangular key
l
Operator ground connection
m
Bores for passage of connection cables
n
Release lever
o
Fixing bar cover
MODEL
844
Power supply
230V~ (+ 6 % - 10 %) 50Hz
Power consumption (W)
550
Reduction ratio
3÷ 29
No. of pinion teeth
Z12
Rack
4 module pitch 12,566
Max. thrust daN
83 (Z12)
Max. torque (Nm)
20
Winding thermal protection
140 °C
Duty rating
30 % (see graph)
Oil quantity (l)
1,8
Type of oil
FAAC XD 220
Temperature range
-20 to +55 °C
Gear motor weight (kg)
15
Housing protection
IP 55
Max. gate weight (kg)
1000 (Z12)
Gate speed (m/min)
11.6 (Z12)
Max. gate length
49m (Z12)
Clutch
bidisk in oil bath
Housing treatment
cataphoresis
Limit switches
inductive with stop plates
Gear motor dimensions LxHxD (mm)
see Fig. 2
Electric motor technical specifications
Motor speed (rpm)
750
Power consumption (W)
550
Current draw (A)
2.5
Surge condenser
25µF
Power supply
230 Vac (+ 6 % - 10 %) 50Hz
b
a
c
d
e
f
g
h
i
j
k
l
m
n
o
10
20
30
40
50
60
70
80
90
100
0
1
2
3
4
5
6
7
8
9
10
10
11
12
Percentuale
di lav. %
Tiempo (h)
% Duty cycle
% Fréquence
d'utilisation
% Benutzungs-
frequenz
% Frecuencia
de utilización
Zeit (Std.)
Temps (h)
Time (h)
Tempo (h)
