
Hydraulic diagram for heat pump assembly LWM Mannheim
Functions: Heating/cooling and hot water, operating mode: monoenergetic
This hydraulic cycle diagram serves solely to assist in planning activities;
the customer-provided hydraulic system on site must be planned and installed by the installation contractor!
KWS 300
A
B
1
C
B
2
E
2
1
3
5
4
D
Fig. 42: Example hydraulic diagram
A:
Heat pump
B1: Hot water storage tank
B2: Buffer tank
C: External probe
D: Boiler/wall heating unit (optional)
E:
Smart Control Touch
1:
Hot water
2:
Cold water
3:
Unmixed cycle
4:
Mixed cycle
5:
Mixed cycle
The LWM compact heat pump models are ideal for use in new or in existing buildings, where the heat pump
is the sole heat generator. An additional heat generator can be installed to cover peak loads.
The Smart-Control regulation switches all electrical components.
The highly efficient primary pump inside the heat pump is used as the circulation pump. The combination
buffer tank consists of an enamelled 300 l hot water tank [B1] and a 100 l vapour diffusion-tight buffer tank
[B2] which is integrated into the system. The buffer tank is the hydraulic compensator if the pressure losses
of the heating system are too high (see “Technical data”).
n
The heating cycles connected must be hydraulically balanced.
n
The pressure drop between heat pump and storage tank must not be exceeded.
n
A minimum water flow volume of 20 l/KW must be assured.
n
The pipe cross sections of the lines from the heat pump to the storage tank may not be reduced.
n
The min. water volume of 5 l/kW cooling capacity with active cooling must be observed.
45
Содержание LWM 110
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