Section 6: Electrical Connections; Generator Connections; Control Wiring - Generac Power Systems 15 kw ecogen Installation Manuallines

Section 6: Electrical Connections

Generator Connections

NOTE: Wiring must be performed in accordance with
local jurisdiction and codes.
Remove the appropriate Main AC/Control Wiring
1.
knock–out plug at back of generator.
Install the generator feeder and control wiring
2.
between the generator and inverter or electrical
loads to be powered by the generator per the
applicable NEC codes for the wiring method
selected. For knock–out plug locations (verify
specific transfer wiring and connections per
model), see Figure

Control Wiring

Installation Guidelines for 60 Hz EcoGen™ Generator
2-7.
A
N1
UTILITY
SENSE
N2
UTILITY
T1
VAC LOAD
SUPPLY
209
COMMOM
ALARM
210
COMMON
ALARM
0
DC COMMON
194
+12 VDC
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TRANSFER
B
Figure 6-1. Control Wiring Connections
Table 6.4: Control Wire and Two–Wire Start Length and Size
Maximum Wire Length
1–115 ft (1–35 m)
116–185 ft (36–56 m)
186–295 ft (57–89 m)
296–460 ft (90–140 m)
NOTE: This wiring can be run in the same conduit if the
appropriate insulation rated wire is used.
Seal the conduit at the generator in compliance
3.
with any codes.
Strip insulation from wire ends. Do not remove
4.
excessive insulation.
To connect the control wires, push down on the
5.
spring loaded connection point with a flat head
screwdriver, insert wire and release.
NOTE: No wire insulation should be in the connection
point; only bare wire.
NOTE: The system is equipped with a 2–wire start to
facilitate connection to the inverter system.
Table 6.1: Control Pad Connections
Terminal /
Wire Color
Wire
Blue T1
Black 0
Yellow N1
Yellow N2
Blue 209
Blue 210
Table 6.2: 2–Wire Start Wire Connections
Wire Connection
178 Female Faston
183 Female Faston
Table 6.3: Control Wiring Torque Specifications
Location
001463 A
10–14 AWG
B
2/0 to 14 AWG
(Large Ground)
Recommended Wire Size
No. 18 AWG
No. 16 AWG
No. 14 AWG
No. 12 AWG
Electrical Connections
Wire Description
120 VAC for Battery Charger
Single Pole 15 Amp Breaker
(see Control Wiring Notes)
DC (–) Common Ground Wire
240 VAC for Cold Weather Kit (Utility Sense)
2 Pole 15 Amp Breaker
Common Alarm: Optional Alarm Relay
Contacts (Normally Open)
Location
Hanging from controller above battery
compartment
Wire Size Torque Specification
4–6 AWG 35 in-lbs (4 Nm)
8 AWG 25 in-lbs (2.8 Nm)
20 in-lbs (2.3 Nm)
120 in-lbs (14 Nm)
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