INSTALLATION AND OPERATION INSTRUCTIONS
TT-1596 8/22g
Original Issue Date: 8/12
Model: 14RESA, 20RESA, 20RESB, 20RESC, 20RESD, 14RCA and 20RCA
Market: Residential/Light Commercial
Subject:
PowerSyncr Automatic Paralleling Module (APM) Kit
GM85144-KP1-QS and Circuit Breaker Kits GM86368-KP1-QS and
GM86369-KP1-QS
Introduction
This document describes the installation and operation
of the PowerSyncr Automatic Paralleling Module (APM)
and optional circuit breakers for single-phase residential
generator sets. The APM allows the use of two Model
14RESA, two 14RCA, two 20RESA/B/C/D, or two
20RCA generator sets in a single-phase paralleling
system to supply power to one building or site.
The APM provides a common connection point for
paralleling generators and permits individual control of
the generator connections, allowing for
synchronization, redundancy, and generator
management.
The APM and associated equipment must be installed
by a Kohlerr trained and authorized distributor or dealer.
zab26291
Figure 1 PowerSyncr Automatic Paralleling Module
The following combinations of single-phase
generator sets can be paralleled:
D Two single-phase model 14RESA or 14RCA
generator sets with the same 110/220, 115/230,
120/240, 220, 230, or 240 volt configuration
D Two single-phase model 20RESA/B/C/D or 20RCA
generator sets (must have the same 110/220,
115/230, 120/240, 220, 230 or 240 volt configuration)
Automatic paralleling requires:
D Two single-phase generator sets as shown above.
D RDC2 controllers with blue circuit boards. If the
generator has a controller with a green or red circuit
board, replace it with a blue board controller.
D Paralleling firmware APM RDC2 version 210.0.0 or
higher on each generator controller. Download the
paralleling firmware from the Service Support section
on KPRC.
Note: Contact the Residential Service Department
for assistance if the controllers have an
older version (e.g. 101.0.3) of paralleling
firmware.
D One Automatic Paralleling Module (APM) kit
D One Model RXT a utomatic transfer switch (ATS)
D A load management device* is required if one
generator set cannot support the maximum total load.
D A personal computer (laptop) with Kohlerr
SiteTecht software version 3.5 or higher is required
for system setup.
A load management device* is necessary in order to
shed non-critical loads in the event that one generator
set shuts down and the other generator set cannot
support all of the loads.
* A load management device is a load control module (LCM), load
shed kit, or combined interface/ load management board on the
RXT ATS.
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