AA –HP410-2011-02 Alliance Cycle-Heating Domestic Heat Pump Water Heater Technical Manual
32
7.3 Connecting diagram of the water heater
No
Name
Connective pipe specification
a
Circulating water outlet of main unit
DN20
b
Circulating water inlet of main unit
DN20
c
Circulating water outlet of water tank
DN20
d
Circulating water inlet of water tank
DN20
e
Cold water inlet
DN15
f
Hot water outlet
DN15