RXT Transfer Switch Manual

TP-6807 1/16 13Section 1 Description
Circuit Board Relays
Rating
Pilot Relays and HVAC
Relays (qty. 2)
125VAC, 10 A (general purpose)
120VAC, 125VA (pilot duty)
Figure 1-3 Combined Interface Board Relay
Specifications
Power Relay Specifications
Relay Rating 50 A @ 240 VAC
Relay Type DPST -- NC or DPDT
Coil Voltage 120 VAC
Figure 1-4 Customer-Supplied Power Relay
Specifications
Figure 1-5 shows a simple diagram of a power system
with load management. For detailed installation and
connection instructions, refer to Section 2.7 and the
instructions provided with the power relay modules.
G6--143
Combined
Interface/
Load
Management
Board
Kohler single-phase
generator set
equipped with RDC2
or DC2 controller
Power relay
module #1
Non-critical
load, can add
or shed
Connect up to 4 power relay modules.
Non-critical
load, can add
or shed
Power relay
module #2
Power relay
module #3
Non-critical
load, can add
or shed
Non-critical
load, can add
or shed
Power relay
module #4
HVAC load,
can add or
shed
HVAC load,
can add or
shed
Critical loads,
always
powered
Kohler Model RXT
transfer switch
Utility power
Figure 1-5 Power System with Load Management