View Single Post
Old 10-17-14, 05:58 PM   #47
AC_Hacker
Supreme EcoRenovator
 
AC_Hacker's Avatar
 
Join Date: Mar 2009
Location: Portland, OR
Posts: 4,004
Thanks: 303
Thanked 723 Times in 534 Posts
Default

Quote:
Originally Posted by Ormston View Post
You're assessment of these little heat pump water heaters got me thinking about the tube in tube condenser being undersized.
So I tried turning the circulation pump up to full speed, consumption of the pump rose by around 20w, output of the heat pump rose by 400w when heating the floor and by 900w when heating the hot water tank.
This is a huge improvement with cop now nudging 3 at times although I have a feeling I may have issues with the evaporator icing due to the extra heat demand.

Steve
Great to know that even bad advice can be put to very good use.

Way to go!

-AC
__________________
I'm not an HVAC technician. In fact, I'm barely even a hacker...
AC_Hacker is offline   Reply With Quote