Pre-fab Heat Interface Unit

IH version for domestic hot water and indirect heating systems using second heat exchanger with heating circuit connections including heating pump and expansion tank mounted on the side of heat interface unit.
Dimensioning codes:
15, 21 – domestic hot water capacity indication (l/min)
CB – copper brazed stainless steel heat exchanger for domestic hot water preparation
BP – supply lines preheating function
DI – primary differential pressure controller at the heat interface unit inlet
TL – thermostatic temperature limiter for domestic hot water with submersible sensor
ZH – apartment heating circuit circulation arrangement, including circulation pump, thermostatic flow controller and expansion tank
CR – heat interface metal cover casing white powder coated (RAL 9016)
NI – no pipe insulation and/or insulated cover
NC – no cold water outlet from heat interface unit

Top mounting rail including set of preinstalled ball valves for heat interface unit
Dimensioning codes:
x6 – quantity of ball valves included in set (6 pcs)
DN20 – ball valve size
MT – male thread connection
FT – female thread connection

Supply lines preheating function with accessory bypass line (supplied lose) for the installation with Combi Port M-ProX Heat Interface unit.

Flexible connection hose with ball valves and fittings for filling the heating circuit side with water

DVGW Ball valves (supplied loose)
Dimensioning codes:
x1 – quantity of ball valves included in set (1 pcs)
DN20 – ball valve size
MT – male thread connection
FT – female thread connection

Non-sanitary ball valve sets
Dimensioning codes:
x_ – quantity of ball valves included in set (_ pcs)
DN20 – ball valve size
MT – male thread connection
FT – female thread connection

Heating supply lines bypass and connections for installation on the riser pipes, used as a complementary accessory for the HIU without bypass function for keeping the supply lines hot
Dimensioning codes:
3/4” – connecting pipe size indication

Differential pressure regulator and connections for installation on the riser pipes, used as a complementary accessory for the HIU without primary differential pressure regulators
Dimensioning codes:
1” – connecting pipe size indication

Backflow preventer DN 8 insert

Dynamic flow control DN15, 52-296l/h

Cupper brazed heat exchanger GKS 228H-26 CU

Cupper brazed heat exchanger GKS 228H-40 CU