38
C
Interface to the separate cooling cir-
cuit or heating/cooling circuit
H
Interface to the heating circuits or
the heating water buffer cylinder
P
Interface to the primary circuit
W
Interface to the DHW cylinder
Equipment required
Pos.
Description
Heat source
1
Heat pump stage 1
2
Heat pump control unit
3
Outside temperature sensor
5
Circulation pump for cylinder heating (heating water side), heat pump stage
1
6
Secondary pump, heat pump stage 1
9
Heat pump stage 2
qP
Secondary pump, heat pump stage 2
Circulation pump for cylinder heating (heating water side), heat pump stage
2
qW
Safety equipment block with safety assembly
qE
Expansion vessel
qT
Primary pump, heat pump stage 1
qZ
Flow temperature sensor, primary circuit
qU
Return temperature sensor, primary circuit
wT
Primary pump, heat pump stage 2
Integrating a heat pump cascade into the system examples
A heat pump cascade consists of a lead
appliance and lag heat pumps.
Each lag heat pump has a heat pump
control unit. Both lead appliance and lag
heat pumps can have 2 stages.
The lead appliance regulates the heat
pump operation within the cascade.
■ Up to max. 3 lag heat pumps when
connecting via KM-BUS in conjunction
with the external extension H1 (see
page 92 and separate service
instructions for heat pump control unit
Vitotronic 200).
■ Up to max. 4 lag heat pumps when
connecting via LON (see separate
service instructions for heat pump con-
trol unit Vitotronic 200).
Preparing for installation
Integration of the two-stage version in the…
(cont.)
5600 161 GB
Содержание BW 01.A06
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Страница 121: ...121 Opening the shield Troubleshooting Repairs cont 5600 161 GB Service ...
Страница 122: ...122 Overview of internal components M C D F E B G O N K P A J I L Troubleshooting Repairs cont 5600 161 GB ...
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