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Danfoss 842 Manual

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Technical Specifi cation Model 841 Model 842
Power Supply 230 Vac ± 15%, 50/60Hz
Switch Action 1 x SPST, type 1 B (volt free) 2 x SPDT, type 1B (volt free)
Switch Rating 264Vac, 50/60Hz max, 15(5)A 264 Vac, 50/60Hz max, 3(1)A per channel
Setting and Running Accuracy +/- 1 min and +/- 1 min/month
Power Reserve 3 month on fully charged battery
Max number of programmable up to 200 ON or OFF operations per week
operations NOTE: 842 can be set to provide pulsed output for bell ringing
Max Ambient Temperature 45°C
Overall Dimensions 210mm wide, 115mm high, 50mm deep
Designed to meet BS EN60730-2-7
Control Pollution Situation Degree 2
Software Classifi cation Class A
Mode of operation Provides either a continuous or interrupted Provides either continuous or interrupted pulse
pulse (½ second ‘ON’ followed by ½ second (½ second ‘ON’ followed by ½ second ‘OFF’)
‘OFF’) for a duration of between 1-15 seconds on each channel for a duration of 1-15
at each programmed event. seconds at each programmed event.
The unit leaves the factory set for a single The unit leaves the factory with both channels
pulse of 5 seconds duration. This can be reset set for a single pulse of 5 seconds duration.
if required (see paragraphs 10 and 11 overleaf) Either or both of these can be reset
independently of each other to give differing
outputs (see paragraphs 10 and 11 overleaf).
IP4X lf cable entry is from the rear only and
unit is directly mounted on to wall not allowing
access.
Rated Impulse Voltage 2.5kV
Ball Pressure Test 75°C
Danfoss Randall can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss Randall
reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can
be made without subsequent changes being necessary in specifi cations already agreed.
Danfoss Randall Ltd,
Ampthill Road,
Bedford MK42 9ER.
Tel: (01234) 364621 Fax: (01234) 219705
Email: danfossrandall@danfoss.com
Website: www.danfoss-randall.co.uk
Part No: 3283 Issue 10 12/05
MODEL 841 MODEL 842
THIS WAY UP
Spare
N
L
1
2
Alternative position
for cable clamp
Aperture
for
cable
entry
4 fi xing
holes
2 cable
clamps
3 knockouts
for surface
cable entry
Rating and
model label
Terminal block Do not route
surface mounted
cables through
shaded area
C/L
Do not slacken the
screws on this side of
the terminal block
Polarised
plug
THIS WAY UP
Alternative position
for cable clamp
Aperture
for
cable
entry
4 fi xing
holes
2 cable
clamps
3 knockouts
for surface
cable entry
Rating and
model label
Terminal block Do not route
surface mounted
cables through
shaded area
C/L
Polarised
plug
N
L
6
5
4
3
2
1
2


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