Grant Products HPAW155 - Manual (Page 15)

Hydraulic Diagrams
11
200mm
minimum
CH Flow
DHW Flow
Outside
wall
4.4 Extended S-Plan Type - Bivalent
Heating Load
Heating Load
DHW Retur
n
CH Retur
n
Room
Stat
Room
Stat
Internal wiring
centre
Programmer
Boiler
R F
Cylinder
Stat
Figure 4-6: Bivalent system - with boiler manifold and extended S-Plan type controls
Auto Bypass
Flow
Flexible
pipe
Isolating
valve
Isolating
valve
Return
Grant Aerona
Heat Pump
Primary
Pump
Condenser
Heat Pump
ATC
Boiler
manifold