AERCO Innovation (G-14-2265 and above) - Manual (Page 28)

Innovation Water Heaters Installation, Operation & Maintenance Manual
CHAPTER 2 – INSTALLATION
Page 28 of
206 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
OMM-0078_0L
PRI: 11/25/2014
Phone: 800-526-0288
GF-128
2.11 AC ELECTRICAL POWER WIRING
The AERCO Innovation Electrical Power Wiring Guide, GF-5060, must be consulted prior to
connecting any AC power wiring to the unit. External AC power connections are made to the
unit inside the Power Box on the front of the unit. Remove the front door of the unit to access
the Power Box mounted directly above the Control Box. Loosen the four Power Box cover
screws and remove the cover to access the AC terminal connections inside the Power Box
(Figure 2-9).
NOTE
All electrical conduit and hardware must be installed so that it does not
interfere with the removal of any unit covers, inhibit service/maintenance,
or prevent access between the unit and walls or another unit.
POWER BOX WITH COVER POWER BOX WITH COVER REMOVED
Figure 2-9. Power Box Location – Partial Front View, Front Panel Removed
2.11.1 Electrical Power Requirements
The AERCO Innovation Heater accepts 120 VAC, single-phase, 60 Hz @ 20A. The Power Box
contains a terminal block as shown in Figure 2-10. In addition, a wiring diagram showing the
required AC power connections is provided on the front cover of the Power Box.
Each unit must be connected to a dedicated electrical circuit. NO OTHER DEVICES SHOULD
BE ON THE SAME ELECTRICAL CIRCUIT AS THE HEATER.
A double-pole switch must be installed on the electrical supply line in an easily accessible
location to quickly and safely disconnect electrical service. DO NOT attach the switch to sheet
metal enclosures of the unit.
After placing the unit in service, the ignition safety shutoff device must be tested. If an external
electrical power source is used, the installed boiler must be electrically bonded to ground in
accordance with the requirements of the authority having jurisdiction. In the absence of such
requirements, the installation shall conform to National Electrical Code (NEC), ANSI/NFPA 70
and/or the Canadian Electrical Code (CEC) Part I, CSA C22.1 Electrical Code.