2
Installation
22
Series N8700 User’s Guide
WARNING
CONNECTION TO AC MAINS Applying incorrect AC mains voltage or
incorrectly wiring to the AC mains will damage the power supply and void the
warranty.
Single-phase mains connections for 3.3 kW units
Option 230 units wired
for nominal AC input
190 – 240 VAC
L1
L2
L3
phase
phase
phase
Earth
(safety ground)
208 V
Single-phase power supply
attached to 208 V, phase-
to-phase distribution.
L1
L2
L3
phase
phase
phase
Earth
(safety ground)
Single-phase power supply
attached to 230 V, phase-
to-neutral distribution.
230 V
Disconnect
device
Disconnect
device
3-phase mains connections for 3.3 kW and 5 kW units
Option 208 units wired
for nominal AC input
190 – 240 VAC
Option 400 units wired
for nominal AC input
380 – 415 VAC
L1
L2
L3
phase
phase
phase
Earth
(safety ground)
208 V
3-phase power supply
attached to 208 V, phase-
to-phase distribution.
L1
L2
L3
phase
phase
phase
Earth
(safety ground)
400 V
3-phase power supply
attached to 400 V, phase-
to-phase distribution.
Disconnect
device
Disconnect
device
