Ochsner AIR BASIC 109, Operating Manual/Installation Manual

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BA_AIR_BASIC_ELW_Multitower_OTE3_SW5x_CC_EN_V08.docx Page 57 of 92
Buffer sensor (TPO, TPM)
Two buffer sensors are required in the buffer tank.
The heat pump is switched on based on readings
from the TPO and switched off based on those
from the TPM.
-
Install a sensor pocket in the female socket
provided for the upper buffer sensor (TPO)
- Install a sensor pocket in the female socket
provided for the lower buffer sensor (TPM)
NOTE
In systems with direct heating circuit,
install the TPO sensor in the heating
flow of the heat pump indoor unit.
-
Install the TPO sensor in the indoor
unit at the marked location on the
heating flow pipe, downstream
from the electric booster heater
(MFA).
- The required controller parameters
are set by OCHSNER customer
service or specialist personnel
authorised by OCHSNER.
In systems with a buffer tank, a bypass
or a low loss header or a heating
circuit with mixing valve, the TPO
sensor must
not be installed in the
indoor unit .
Figure 69: Pipe marking in the heat pump indoor unit