System Configuration
Packaged model system
Split model system
Model name
EHPT20X-
EHST20C-
Cylinder unit
Model name
EHPX-
EHSC-
Hydrobox
5
Your Heating System
3
Important Parts of the Units - Points to Note
Plate heat exchanger
Interconnecting
water pipes
Outdoor heat pump unit
Indoor cylinder unit
Plate heat exchanger
Interconnecting
refrigerant pipes
Outdoor heat pump unit
Indoor cylinder unit
Plate heat exchanger
Interconnecting
refrigerant pipes
Outdoor heat pump unit
Indoor hydrobox
< Cylinder unit >
< Hydrobox >
Cold water inlet connection
Space heating
return connection
DHW outlet connection
Space heating flow
connection
Automatic air vent
Main controller
Temperature and
pressure relief valve
*EHPT20X-VM2HA
ONLY
Main controller
Manometer
(Pressure gauge)
Heat pump
connection
Pressure relief valve
Solar (ancillary
heat source)
connection
View of base
Front elevation
Plan view
Plate heat exchanger
Interconnecting
water pipes
Outdoor heat pump unit
Indoor hydrobox
EHPX (Package model system)
Heat pump
connection
Discharge pipe
from pressure
relief valve
EHSC (Split model system)
Main controller
Manometer
(Pressure gauge)
Heat pump
connection
View of base
Space heating/
Indirect DHW
cylinder (primary)
return
connection
Space heating/
Indirect DHW
cylinder
(primary)
flow
connection
Discharge pipe
from pressure
relief valve
Manometer
(Pressure gauge)
Space heating/
Indirect DHW
cylinder (primary)
return
connection
Space heating/
Indirect DHW cylinder (primary)
flow connection
