Operating Guide
Termix VVX-B – 7 Series BS
6.3.4 Fitting piece
The substation is equipped with a fitting piece for energy meter.
Assembly of energy meters:
1: Close ball valves
Close the ball valves on DH Supply and DH Return, if there is water
on the system.
2: Loosen nuts
Loosen the nuts on the fitting piece.
3: Remove fitting piece
Remove the fitting piece and replace it with the energy meter. Do
not forget the gaskets.
4: Tighten connections
After mounting of the energy meter remember to check and
tighten all threaded connections.
Sensor pocket, energy meter
The sensors of the energy meter is mounted in the sensor pockets.
6.4 Extras
6.4.1 Hot water recirculation pump
When hot water recirculation pump is installed together with
the Pre-Payment unit, it is recommended for the pump to take
Switched Live from Terminal 2 in the heating interface wiring box.
This is to ensure that the pump stops circulating when no credit is
available on the Pre-Payment unit.
18
DEN-GT
LGB40404