Air Treater Specifications - Siemens Maxum II Service Manual

Flame Ionization Detector
4.8 Air Treater
The instrument air connections must always be made through the attached flame arrestors.
The Air Treater must be firmly mounted to the wall, the floor, or a rack on which the analyzer
is mounted. Install the Air Treater so that it cannot be damaged during normal maintenance
operations.
4.8.2

Air Treater Specifications

Table 4-3 Air Treater
Dimensions
Weight
Power requirements
Installation
Construction
Input air quality
Input air flow
Input pressure
Warm-up time
Treated air purity
Catalyst life
Safety
56
Approximately 210 x 210 x 300 mm (8
A minimum of 400 mm (15
10.5 kg (23 pounds)
115 or 230 VAC, 50 watts
Panel, rack, or wall mounted near the analyzer
300 Series Stainless Steel in contact with the treated air. Mounted in an explosion proof aluminum
enclosure
● Meet or exceed ISO8573-4 (Class 3) requirements.
● Maximum total hydrocarbon content less than 1 ppm and
● Dew point -20°C (-4°F)
● 250 to 1500 ml/min (depending on requirements)
34 to 1034 kPa (5 to 150 psig), depending on flow rate desired
Approximately 90 minutes
Up to 95% of the trace hydrocarbons typically found in instrument quality air are removed by the
air treater
Catalyst is not consumed as part of the air treatment so the life is indefinite. However the catalyst
can be poisoned when exposed to sulfur compounds.
● CSA certified for use in Class I, Division 1, Groups B, C, D Hazardous Locations for US and
Canada
● ATEX certified for use in Zone 1 or 2, gas group IIB + H2 explosive atmosphere (II 2 G) (Ex d
IIB+H2 T5 Gb)
● Temperature Class Rating: T5
/ " x 8 / " x 11
1 1
4 4
/ ") total clearance is required in depth for removal of the bottom cover
3
4
/ ") (w x d x h)
3
4
Maxum Edition II Detectors
Service Manual, May 2018, A5E42019847001