version 4.7.2 – July 10th, 2022 Firmware version V2.1.7 and higher
EXXFIRE Installation and Service Manual 75
Simultaneous Gas Release
The EXXFIRE® 750CNF/1500CNF/2250CNF contains one, two or three Cool Gas Generators
(CGG’s) respectively.
When a CGG is initiated, depending on the ambient temperature it discharges its nitrogen gas in
around 10 to 20 seconds.
The CGG’s in the EXXFIRE® 1500/2250CNF can be initiated simultaneously or sequentially. This
provides some flexibility and benefits for several applications, with stringent restrictions on pressure
or flow rates.
If simultaneous gas release is selected, all gas is released from the unit as quickly as possible,
however, a minimum delay of 10 seconds is always applied between adjacent CGG’s to avoid a
pressure peak. If sequential gas release is selected, then each CGG is initiated with a 30-s delay
between each one. All this can be configured using DIP switch 6.
NB See Note 2 in section 5
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