Electrical Power Requirements - Riello Array AR 3000 Installation And Operation Manual

INSTALLATION
All of the components in the Electrical box are mounted on a DIN
rail.
Terminal Blocks
Fig. 17 Left Front Door Electrical components
Terminal
Blocks
Fig. 18 Right Front Door Electrical components
9
WARNING: The main switch shown in Fig. 19 does not remove
power from the left door terminal blocks.
NOTE: All electrical conduit and hardware must be installed so that
it does not interfere with the removal of any unit covers, inhib-
it service/maintenance, or prevent access between the unit and
walls or another unit.

2.12.1 Electrical Power Requirements

The voltage configuration of Array AR 3000 and AR 4000 is as fol-
lows:
− 230VAC, Phase-Phase-Neutral, 60 Hz
Each unit must be connected to a dedicated electrical circuit.
NO OTHER DEVICES SHOULD BE ON THE SAME ELECTRICAL CIRCUIT AS
THE BOILER.
The Main Circuit two-pole switch is accessible on the front door
to quickly and safely disconnect electrical service (except the left
door terminal blocks).
Main Switch
(backside view)
(backside view)
Fig. 19 Main switch
7
Fig. 20 Power supply connection
7
Fig. 21 230VAC Power Supply connection
14
Main Switch
Ground
L1 L2
Neutral
Power Supply
connection