VMILF102
4 – Danfoss
VMBQI102
Expansion module, HPC EM
The operational description for the expansion module is available in the controller manual.
Installation for WCS function (warm water loading)
Application
The expansion module in WCS operational mode controls warm water loading of the
water heaters .
WCS operation is achieved by setting the switch according to the figure .
Required accessories for installation
Submersible sensor, Thermokon-Danelko AKF1004140, item no. 086U3364
One of the following modular cables:
Modular cable 0.3 m, item no. 086U4227
Modular cable 1.1 m, item no. 086U4228
Modular cable 10.0 m, item no. 086U4229
Connection block, item no. 086U5121
Other accessories
Pilot valve VVL (2-way), heat exchanger (tap water vvx), circulation pump.
System image
Heat exchanger
A heat exchanger is connected between the heat pump and the circulation for the water heaters as depicted in the system
image above .
Circulation pump
A circulation pump is connected near the heat exchanger.
Pilot valve
A pilot valve is connected between the circulation pump and the heat exchanger.
Submersible sensor
A submersible sensor is connected on the return line of the heat exchanger, as close to the heat exchanger as possible.
Heat circuit
Hot gas circuit
Cooling agent circuit
VVB
VVB
VVB
VVB
Heat exchanger
Modular cable
Steering valve
Circulation pump
Expansion module
Wcs operation
Submersible sensor
return VVX
KV
VV
VVC
DHP-R
Eco
