General Information - Wiring; Boiler Control - UTICA BOILERS MAH-125 Installation, Operation And Maintenance Manual

Electical Wiring Information:
All field wiring shall conform to the authority having
jurisdiction or, in the absence of such requirements to:
• USA: National Electrical Code, ANSI/NFPA 70,
• Canada: Canadian Electrical Code, Part I, CSA
C22.1: Safety Standard for Electrical Installations.
Wiring diagrams shown in this manual utilize the ARGO™
Universal Control, the optional use of an Indirect Domestic
Hot Water Tank, and optional use of a H2O Buffer Tank.
Reference the zone control manufacturer instruction
manual for control operation and priority sertting of DHW
zones.

GENERAL INFORMATION - WIRING

BOILER CONTROL

Outdoor Reset
Zone Control
T-Stat
DO NOT use 120 V thermostat
Note
terminals (m1- #1 and #2).
Provided Wiring and Piping illustrations
Note
are meant to show system concepts only.
Installer is responsible for all equipment
required by authority having jurisdiction.
Do Not
Use
DHW Indirect
Tank Sensor
or
DHW Indirect
Tank Aquastat
(Heating Only
Boilers
7
SUPPLY Cord
120V/60HZ
PN 240011430 REV G, [03/31/18]