<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=iso-8859-1">
<META content="MSHTML 6.00.6000.17023" name=GENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=#ffffff>
<DIV>Dear Jeff,</DIV>
<DIV> </DIV>
<DIV>I am planning to use two independent ground loops for heating and cooling
(by Type 557). My question is can I use 2 numbers of Type 557 in one TRNSYS
model.</DIV>
<DIV> </DIV>
<DIV>Thanks,</DIV>
<DIV><BR>Tshewang </DIV></BODY></HTML>