13
Manual Number 9019286 • Revision E, January 06, 2022
3.4 INSTALLATION
DO NOT SHORT TERMINALS AT ANY TIME!
Extreme care and caution should be applied when handling and connecting to the unit. Danger of
short circuit and subsequent arc flash, electrical burns or equipment damage can occur if not
handled properly.
Install the battery in the aircraft in accordance with the aircraft manufacturer’s instructions and the
following sections. If connecting batteries in parallel contact manufacturer for guidelines on parallel
operation.
Harness Preparation
Prepare aircraft wiring with mating connectors in accordance with the proper Wire Size and
Type (Table 3.1), Connection Features (Figure 3.1) and Pin Identification Diagrams (Figures
3.3 and 3.4).
Proper grounding requires connecting the ground lug on the chassis to the aircraft frame. In
addition, connect the ground lug to the 18-pin data communication connector backshell along
with the cable shield and any signal shields.
Use of PTFE, ETFE, TFE, Teflon or Tefzel insulated wire is recommended for aircraft use.
Recommended wire sizes and types are identified in Table 3.1 below. *Note: Wire gauge size
for power connections is dependent on the particular aircraft installation, taking into
consideration cable length, load profile, etc.
Table 3.1
Wire Size and Type
Wire Size and Type
Wire Gauge Wire Type
Connector
Pins
000 AWG *
Stranded Copper
Power
+/-
18-24 AWG Stranded Copper
Comm (18-pin)
A-U
WARNING
Summary of Contents for True Blue Power TB20 Series
Page 1: ...Revision E January 6 2022...
