How to choose chiller for cooling 500W UV lamp of inkjet printer

A customer who bought S&A water chiller to cool inkjet printer of 4X500W UV lamps. At first, he bought S&A chiller model CW-6100 of 4.2KW cooling capacity. However, he found CW-6100 cooling capacity is larger than actual demand, so he changed to chiller model CW-6000 of 3KW cooling capacity. CW-6000 technical parameter: http://www.teyuchiller.com/Products/ChillerCW60003000Wco.html CW-6100 technical parameter: http://www.teyuchiller.com/Products/ChillerCW61004200Wco.html
 
CONTACT S&A
TE:+86-20-89301885
FAX:+86-20-84309967
SKYPE: teyuchiller
Email:marketing@teyuchiller.com
Website: http://www.teyuchiller.com