Aero Ilm Hgl With Cooling And Hgl Usage In One Step - iDM AERO ILM 2-7 Technical Documentation Installation Instructions

6. General description
Heating connections

6.12. AERO ILM HGL with cooling and HGL usage in one step

When the heat pump works in cooling mode, the
waste heat is used for hot water supply. For this, the
hydraulic needs to be extended with a HGL return
and the associated pump (accessory).
Pump M94 for domestic hot water heating during cooling mode!
Attention!
Mount the dew point switch on a suitable location.
B40
T
Cooling buffer
sensor and a dew point switch has to be installed to monitor the dew point.
56
OS
T
B32
P
B35
M94
T
B B B B B B B B B B B B B B B 3 B B B B 3 B B B B B B 3 3 3
M7 7 7 7 7 7 7 7 7 7 7 1 7 7 7 7 7 7 7
T M
B1 1 4 1 14 1 1 4 4 4
P
M M M M 73 M
T
B34
AERO ILM HGL
Installation instructions AERO ILM
To switch the operation of the heat pump from heat-
ing to cooling a cooling valve has to be installed in the
heat pump inlet and heat pump outlet.
It is additionally necessary to install a cooling valve in
the heating circuit supply.
RE (A)
B31
B61
rH%
HC (A)
B5
T
FS
T
B51
M31
M41
A
M61
B
Throttle
valve
B
M62
A
HW
B48
T
B41
B42
T
T
M M M 22 M M M B1
CW
B38 B38 B38
T
Hygienik 2.0
(with separation plate)
(C) IDM Energiesysteme GmbH