W2W Series [Water-to-Water]
W2W Models: 36, 52, 72
Geothermal Heat Pumps
Residential Water-to-Water
Installation & Maintenance Manual
Revision: o08
Table of Contents
Table of Contents _______________________________________________________ 1
Safety ________________________________________________________________ 2
General Information _____________________________________________________ 3
PHYSICAL, CONNECTION and ELECTRICAL DATA________________________ 4
Installation_____________________________________________________________ 5
PIPING INSTALLATION ______________________________________________ 5
Installation of Supply and Return Piping _________________________________ 5
Load Plumbing Installation____________________________________________ 5
Applications ___________________________________________________________ 7
COMMERCIAL WATER –LOOP HEAT PUMP APPLICATIONS _____________ 7
GROUND WATER HEAT PUMP SYSTEMS ______________________________ 8
GROUND –LOOP HEAT PUMP APPLICATIONS__________________________ 9
ELECTRICAL – LINE VOLTAGE ______________________________________ 12
ELECTRICAL – LOW VOLTAGE ______________________________________ 12
UNIT STARTING & OPERATING CONDITIONS _________________________ 14
PIPING SYSTEM CLEANING & FLUSHING ____________________________ 14
UNIT START-UP PROCEDURE _______________________________________ 15
Unit & System Checklist ________________________________________________ 16
Preventative Maintenance________________________________________________ 17
Product Warranty ______________________________________________________ 18