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Contents
SAFETY INFORMATION .................................................................................................. 3
INTRODUCTION ............................................................................................................ 4
MODES OF OPERATION ................................................................................................. 4
Modulating Mode ................................................................................................................................. 4
Step Modulating Mode ......................................................................................................................... 5
Basic Mode ............................................................................................................................................ 5
SPECIFICATIONS ............................................................................................................ 8
QUICK START-UP PROCEDURES .................................................................................... 10
INSTALLATION ............................................................................................................ 11
Clearances ........................................................................................................................................... 11
Freeze Protection ................................................................................................................................ 11
Rear Piping Connections ..................................................................................................................... 12
Ecosmart Mounting ............................................................................................................................. 12
Plumbing ............................................................................................................................................. 12
Pump ................................................................................................................................................... 13
PIPING DIAGRAMS ...................................................................................................... 15
Tankless Water Heater Piping ............................................................................................................. 15
Combi-Boiler Piping............................................................................................................................. 16
ELECTRICAL................................................................................................................. 17
Electrical Information .......................................................................................................................... 17
Electrical Connections Made to Quick Connects ................................................................................ 17
Thermostat Wiring .............................................................................................................................. 18
Ecosmart ES50LVP/ES90LVP Wiring Diagram ..................................................................................... 19
Miscellaneous Wiring .......................................................................................................................... 20
DIP SWITCH OPTIONS .................................................................................................. 21
Switch Locations ................................................................................................................................. 21
Outdoor Temperature Select .............................................................................................................. 21
Heat CFM (ES90LVP) ........................................................................................................................... 22
Heat CFM (ES50LVP) ........................................................................................................................... 22