PM 740 T
page 4
of 21
File: PM740T_r3eng - Settembre 2004 - Manuale per: PM 740 T
PM 740
PM 740
PM 740 T
File: PM740T_r3eng - Settembre 2004 - Manuale per: PM 740 T
page 5
of 21
Environmental conditions
Use:
Indoor use only
Altitude:
tested up to 2,000 m (~6,000 ft)
Temperature:
5°C to 40°C (41°F÷104°F)
Relative Humidity:
80% for temperature up
31°C(88°F), decreasing
linearly to 50% RH at
40°C (104°F)
Pollution degree:
2, complies with the norm
IEC664
Fuse specifications
The PM740 has 2 fuses installed on the rear panel (refer to the
drawing on page 4, position 8): both fuses, labelled F1 and F2,
protect the output line powering the remote head.
Fuse F1 and F2 specs:
- Size, type:
10x38 mm, ceramic cartridge
- Speed action:
quick (F)
- Rated current:
6 A
- Rated voltage:
500 V
For instructions about fuse replacement please refer to related
paragraph on the next page.
Physical characteristics
Front panel dimensions:
19” x 3HE
(482 x 133 mm)
Rack total width:
475 mm
Rack total height:
133 mm
Rack depth (without handles):
440 mm
Housing board depth (minimum):
800 mm
Total weight:
20 kg (44 lbs)
Intake air flow:
approx 150 m³/h
Equipment maintenance
Cleaning
Cleaning of the air filter:
verify once a month. In case you need to remove dust
then proceed as follow:
- remove main line from the unit
- remove the cover
- use pressurized air from inside to outside
for short time: do not exceed or you
may damage the fan
- install the cover and then power-on again.