Hamilton Sundstrand Company Gas Fuel Metering Valve HFG2.0 - Manual (Page 5)

Purpose of This Guide
This publication is designed to help the user install, operate, maintain and
troubleshoot the HFG2.0 Gas Fuel Metering Valve.
Product Identification
Most of the information in this manual is applicable to all generations of
the product. Where unique information applies to a specific generation,
one of the following symbols will be shown to indicate as such:
Fourth generation (isolated RS-232)
P/Ns: 5002605-XXX, 5002610-XXX, 5002447-XXX or:
Any Remanufactured Part with Config 116 and above
Configuration: 116 and above
Firmware version: 3.00 and above
Third generation (isolated RS-232)
P/Ns: 5002605-XXX, 5002610-XXX, 5002447-XXX or:
Any Remanufactured Part with Config 109 and DP 1028
Any Remanufactured Part with Config 110 and above
Configuration: 110 and above
Firmware version: 2.02 and above
Second generation (non-isolated RS-232)
P/Ns: 5002605-XXX, 5002610-XXX, 5002447-XXX
Configuration: between 105 and 108
Firmware versions: 2.0, 2.1
First generation (non-isolated RS-232)
P/Ns: 50024XX-XXX
Configuration: earlier than 105
Firmware versions: 1.00, 1.01
INSTALLING THE HFG2.0 iii