9
Installation
CAUTION
: Make sure AC Shore Power is Disconnected from the Boat and there is no
presence of AC Power prior to installation. For new installations always connect Batteries as the
LAST STEP. If you are replacing an existing battery charger please disconnect the battery charger
output cables from the existing charger AND the battery(s). Do not use existing cables if they are
not in compliance with the sizes detailed in this manual. If you have any doubt about your ability
to fuse and wire this unit correctly PLEASE refer to for a list of certified electricians in your area
that are qualified to perform this installation to the ABYC Standards.
1. Permanent Installation and Circuit Protection - This charger is designed for permanent
installation, the AC must be permanently wired to the circuit breaker (dedicated or a branch
breaker in a panel) in order to avoid serious injury or death.The following table indicates
which breaker & conductor size is appropriate for the model installed. Use only UL 1426
“Boat Cable” with a jacket temperature rating of 105°C, this is commonly available at any
marine supply store. Do not use solid cable, speaker wire or welding cable.
Note: Common Breaker sizes are 5, 10, 15, 20 amp for example if charger is listed below as
6 Amp at
120/230 VAC
please use a 10 amp breaker.
AC Breaker Sizing
Charger Model
110-120
volt breaker
220-250
volt breaker
AC conductor
size
ProNautic1210P
5 Amp
5 Amp
16 AWG
ProNautic1215P
10 Amp
5 Amp
16 AWG
ProNautic1220P
10 Amp
5 Amp
16 AWG
ProNautic1230P
10 Amp
10 Amp
16 AWG
ProNautic1240P
15 Amp
10 Amp
14 AWG
ProNautic1250P*
15 Amp
10 Amp
14 AWG
ProNautic1260P*
15 Amp
10 Amp
14 AWG
ProNautic2420P
15 Amp
10 Amp
14 AWG
ProNautic2430P*
15 Amp
10 Amp
14 AWG
* These units (1250, 1260, 2430,) require the installation of a split ferrite unit included in
the package. It is installed on the AC input cable as shown below.
2. Connections – Using ring or captive spade
connections and the proper crimping tool, attach
the Line – Neutral – Ground to the appropriate
terminals on the charger (Note: Label above
AC connector is color coded to ensure proper
installation). Repeat this procedure for the
breaker side of the install. Support cable every
18” and protect from sharp edges and chafing
when passing through bulkheads, and other
openings all according to ABYC E-11.
3. Split Ferrite - This split ferrite unit is included
with models 1250, 1260 and 2430. It must be
installed such that all of the AC cabling passes
through it as shown. The split ferrite is to be
installed immediately before the AC cable enters
the charger.
