APPENDIX
Page
132
Copyright Trace Engineering Company, Inc.
5916 - 195th Street N.E.
Arlington, WA 98223
Telephone: 360/435-8826
Fax: 360/435-2229
www.traceengineering.com
PS Series Inverter/Charger
Part No. 3597
Rev. D: November 23, 1999
Table 15, Battery Charger Default Settings
12 VDC models 24 VDC models
Set Bulk Volts DC 14.4 28.8
Set Absorption Time H:M 02:00 02:00
Set Float Volts DC 13.4 26.8
Set Equalize Volts DC 14.4 28.8
Set Equalize Time H:M 02:00 02:00
Set Max Charge Amps AC 20* 20*
Set TempComp LEADACID LEADACID
* This default setting will vary between models with different continuous output power ratings.
Table 16, Minimum Recommended Battery Cable Size Vs. Cable Length
INVERTER MODEL
TYPICAL DC
AMPS
1 TO 3 FEET
ONE WAY
3 TO 5 FT
ONE WAY
5 TO 10 FT
ONE WAY
PS2512 267 amps #4/0 AWG / 67.4 mm
2
#4/0 AWG / 107 mm
2
Not Recommended
PS2524/PS2524E 134 amps #2/0 AWG / 67.4 mm
2
#2/0 AWG / 67.4 mm
2
#4/0 AWG / 107 mm
2
PS2212E 235 amps #2/0 AWG / 67.4 mm
2
#4/0 AWG / 107 mm
2
#4/0 AWG / 107 mm
2
WARNING! Battery cables that are very small will melt and burn the first time the inverter is
operated at high power levels.
Table 17, Recommended Minimum AC Wire Sizes (75° C)
INVERTER MODEL
FULL
PASS-THRU
CAPABILITY
MAXIMUM
FUSE/BREAKER
REQUIRED
CABLE SIZE
REQUIRED
IN CONDUIT
CABLE SIZE
REQUIRED
IN “FREE AIR”*
PS2512/PS2524 50 amps 60 amps # 6 AWG (THHN) # 8 AWG (THHN)
PS2212E/PS2524E 30 amps 30 amps # 10 AWG (THHN) # 12 AWG (THHN)
* The term "free air" is defined by the NEC as cabling that is not enclosed in conduit or a raceway. Cables
enclosed in raceways or conduits have substantially lower continuous current carrying ability due to
heating factors.
Table 18, Safety Ground Wire Size Table
The ground wire should be sized per NEC 250-95. The following table is derived from this portion of the
NEC code.
Size of overcurrent device
protecting the conductor
Minimum Size of Copper
Ground Wire
30 Amp or 60 Amp #10 AWG
100 Amp #8 AWG
200 Amp #6 AWG
300 Amp #4 AWG
400 Amp #3 AWG
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