Alpha Technologies AlphaGen PN-6x-T 7.5kW 48VDC - Technical Manual - Manual (Page 64)

64 042-288-B0-001, Rev. A
4.0 The Engine Control Module, continued
4.8 ECM DIP Switch and Fuse Confi guration
The ECM PCB has an eight-position DIP switch (SW5) used to confi gure the generator
interface, APU output voltage (AC or DC), and utility voltage.
The GRI board has three fuses, F1, F2, and F3.
F2: 12V Output to
APU Fan and Enclosure
Gas Detector
(2A, 250V Slo-Blo)
Alpha P/N 460-205-10
F3: 120/240Vac Input
to ECM Logic Transformer
(250mA, 250V Slo-Blo)
Alpha P/N 460-166-10
SW5
F1: 12V Input from APU
(2.5A, 250V Slo-Blo)
Alpha P/N 460-204-10
GRI ECM PCB
Fig. 4-5, SW5 and Fuse Locations
Table 4-3, Telecom Defaults
Telecom Defaults
Low DC Bus Level Default 49V (2V/cell)
High DC Bus Level Default to 57V (2.38V/cell)
Service Interval Default 100 hours
Autotest Interval Will auto set to 14 days when SW5-8 is set ON
Autotest Duration Default 10 minutes
Start Delay Default 180 seconds (3 minutes)
Shutdown Delay Default 720 seconds (12 minutes)
Over-voltage Duration Default 5 seconds