Econergy Installation Manual Rev G 240914
© Hot Water Heat Pumps Ltd 2018
12/03/2018
www.econergy.co.nz
16
Heat Pump Water Heater Installation Guide
Piping Diagram 2: Retrofit to Coopers Ready Mains
Pressure Hot Water Cylinder
Notes:
Piping Diagram 2: Coopers Mains Pressure Solar Ready Hot water
cylinder
Econergy Accessories Required:
No
Part Number
Description
Purpose
1
HPCRK
Coopers (Solar Ready)
Retrofit Kit
Comprises HPTF
Tank Fitting and
HPTP Tank Pocket
1. DO NOT connect return line to heat pump to solar connection!
2. Ensure minimum pressure of 50kPa met on low pressure installations
(may require fitting of relief valve to open vent HWC)
Piping Diagram
Coopers Heat
Pump Ready HWC
Rev B 24/09/14
Mixing Valve
20mm
Outlet
Hot Water
Backup
Module
Cold Water
Expansion
Valve
15mm
20mm
20mm
Pressure
Reducing
Valve
20mm
20mm
Ball
Valve
Ball Valve
Stop
Valve
Check
Valve
Mains
Supply
Regulated
House
Supply
Mixed 50-55°C
Hot Water
60°C Hot
Water
15MM PVC
Condensate
(optional)
Lower Tank
Sensor (Ttl)
- Fit to
Pocket in
solar port
15mm insulated Line
15mm insulated Line
HP
supply
CA
T-5
DRAIN
20mm
x2
Ball
Valve
Back up Supply
Econergy
Water
Heater
Inlet
Outlet
HPTP