Econergy Installation Manual Rev G 240914
© Hot Water Heat Pumps Ltd 2018
12/03/2018
www.econergy.co.nz
20
Heat Pump Water Heater Installation Guide
Green light indicates
that power is on to
Econergy
®
HPWH
Glows red when heat
pump is running,
flashes if a fault is
encountered
Red light indicates
Solar Mode is active
Glows red if backup
element has
been switched on
automatically
Allows user
to manually
force backup
element on
if required:
Position 1
power is onto
heat pump,
in position
2, to backup
element
(Note: manual
switch doesn’t
turn on
backup light.)
Commissioning
• Fill system with water and leak test all connections at system pressure.
• Check all electrical connections and ensure that water heater is securely
grounded to the building’s earthing point.
• Ensure both isolation valves on supply and return lines are open.
• Loosen fitting on inlet water heater to heat pump until water flows from
fitting. Close fitting.
• Connect laptop to RS232 extension cable on machine and open Econergy
®
Config Software (if installer has a copy of the software).
• Switch on Main Isolator and Heat Pump Isolator.
• The green (power) light should be lit on the Hot Water Backup Box located
on the hot water cylinder.
Only Econergy
®
factory sensor cables
provided with the unit shall be installed.
Use of substitute sensor cables or splicing
cables may void warranty.
!