Manual

Table of Contents
Product & Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Pre-Installation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3
Installation - Piping
Temperature & Pressure (T&P) Relief Valve  . . . . . . . . . . . . . . . . . .4-5
Drain Valve  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Automatic Air Vent  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Thermal Expansion   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Water Hammer  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Vacuum Breaker  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
General Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Domestic Piping  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-7
Thermostatic Mixing Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Recirculation Piping  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Multiple Water Heater Systems   . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Boiler Piping  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Installation - Piping Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-13
Installation - Wiring
Wiring Requirements  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Circulators  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Zone Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Snap-Set Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Installation - Wiring Drawings  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15-18
Water Heater Start-Up
Filling the Inner (Domestic Water) Tank  . . . . . . . . . . . . . . . . . . . . .19
Filling the Outer (Boiler Water) Tank   . . . . . . . . . . . . . . . . . . . . . . .19
General Notes  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Adjusting the Water Heater Thermostat  . . . . . . . . . . . . . . . . . . . . . .21
Water Heater Maintenance
Maintenance Schedule  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Filling Water Heater  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Draining Water Heater  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22-23
Draining Inner (Domestic Water) Tank . . . . . . . . . . . . . . . . . . . . . . .23
Draining Outer (Boiler Water) Tank  . . . . . . . . . . . . . . . . . . . . . . . . .23
Replacement Parts List
SMART Series  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24-25
Water Heater Specifications
SMART Series  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Performance SMART Series  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27