GF-135
Esteem 399 Low NOx Boiler
Chapter 9
OMM-0089_0A
Installation, Operation & Maintenance Manual
External Wiring
MC1 06/04/13 AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
•
Ph: 800-526-0288
Page 55 of 158
CHAPTER 9:
EXTERNAL WIRING
9.1 INSTALLATION COMPLIANCE
All field wiring made during installation must comply with:
•
National Electrical Code NFPA 70 and any other national, state, provincial or local codes
or requirements.
•
In Canada, CSA C22.1 Canadian Electrical Code Part 1, and any other local codes.
WARNING!
ELECTRICAL SHOCK HAZARD.
Before making any electrical
connections to the unit, disconnect electrical power supply at the
service panel. Failure to comply can cause severe personal injury
or death.
NOTE
The line voltage terminals are located on the right set of terminals
23 through 40. The low voltage terminals are located on the left set
of terminals 1 through 22.
9.2 LINE VOLTAGE CONNECTIONS
To connect line voltage electrical power to the unit, perform the following.
Connecting Line Voltage to the Esteem Boiler
1. Connect a dedicated 120 VAC/15A service to the line voltage terminal strip on the wiring
panel below the Esteem boiler control module, as shown in Figure 8-3.
2. Route the incoming 120 VAC power wire through the provided openings in the bottom jacket
panel.
3. The unit is provided with a service switch located on the front panel, check local code
requirements for compliance.
NOTE
If local codes or conditions require an additional service switch, the
installer must install a fused disconnect for 15 amp (minimum)
service switch.
