Electrical Connections
32 Installation Guidelines For 60 Hz EcoGen™ Generators
Battery Requirements
12 volts, Group 26R Wet Cell 540CCA minimum, or
Group 35 AGM 650CCA minimum.
If internal battery charger is not connected to utility
power, controller will drain the 12VDC battery if not cor-
rectly maintained. Total power usage of controller and
Wi-Fi module while generator is not running is 2.5 W.
NOTE: A warning is displayed on the LCD when battery
needs service.
NOTE: Do not use external battery chargers with Off-
Grid mode disabled and unit equipped with a transfer
switch.
NOTE: With Off-Grid mode enabled and unit equipped
with a two-wire start, use an external battery charger to
maintain battery if T1 connection is not connected to util-
ity.
Battery Installation
• (Group 26R batteries only): Fill battery with cor-
rect electrolyte fluid if necessary.
• Fully charge battery before installing it.
Complete the following steps before installing and con-
necting battery:
1. Verify generator is OFF.
2. Turn off utility power supply to transfer switch.
3. Remove 7.5A fuse from generator control panel.
Connecting Battery
See Figure 6-2. Battery cables (A, B) were factory con-
nected at the generator.
Figure 6-2. Battery Cable Connections
Connect battery cables to battery posts as follows:
1. Connect red positive battery cable (A: from starter
contactor) to positive battery post. Tighten to 70 in-
lb (8 Nm).
2. Connect black negative battery cable (B: from
frame ground) to negative battery post. Tighten to
70 in-lb (8 Nm).
3. Install red battery post cover (shipped with loose
parts).
NOTE: Apply dielectric grease to battery posts to pre-
vent corrosion.
NOTE: In areas where temperatures fall below 0 °F
(-18 °C), a pad type battery warmer is recommended to
aid in cold climate starting. The battery warmer is avail-
able as part of a cold weather kit from any IASD.
(000137a)
WARNING
Explosion. Batteries emit explosive gases while
charging. Keep fire and spark away. Wear protective
gear when working with batteries. Failure to do so
could result in death or serious injury.
(000138a)
WARNING
Risk of burns. Batteries contain sulfuric acid and can
cause severe chemical burns. Wear protective gear
when working with batteries. Failure to do so could
result in death or serious injury.
(000133)
WARNING
Explosion. Batteries emit explosive gases.
Always connect positive battery cable first to
avoid spark. Failure to do so could result in
death or serious injury.
(000163a)
Risk of burn. Do not open or mutilate batteries.
Batteries contain electrolyte solution which can cause
burns and blindness. If electrolyte contacts skin or
eyes, flush with water and seek immediate medical
attention.
WARNING
(000133)
WARNING
Explosion. Batteries emit explosive gases.
Always connect positive battery cable first to
avoid spark. Failure to do so could result in
death or serious injury.
(000167a)
Equipment damage. Do not make battery
connections in reverse. Doing so will result
in equipment damage.
CAUTION
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