Ochsner Air Eagle 717, Руководство по эксплуатации и установке

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BA_OCHSNER AIR EAGLE_414_717_V06_EN.docx Page 35 of 76
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 47: Pipe marking in the heat pump indoor unit
DHW sensor TB
The DHW sensor is included in the delivery of the
heat pump. OCHSNER DHW tanks are fitted with
appropriate female sockets for installing the
sensor.
Install the DHW sensor in the top one-third of the
DHW tank (or at the very least in the top half). The
lower the selected location of the DHW sensor,
the larger the switching hysteresis (5-15 K) will
need to be.
NOTE
Ensure that the DHW sensor is correctly
positioned and extends beyond the
tank insulation into the interior of the
DHW tank. This is the only way in which
the temperature can be measured
correctly.
6.10 Pumps, drives 230 VAC
Pumps (heating circuit pumps, DHW charging
pump) and drives (mixer valves, etc.) are
connected directly to the controller.
A test run may only be carried out on a system that
has been prepared for commissioning! A relay test
can be performed on the OTE controller to check
the relevant outputs (actuators).
6.11 HLSC on the heating circuit
If an on-site high limit safety cut-out (HLSC) is
installed, it can be connected to the HLSC contact
on terminal strip X3. This shuts down the feed
pump. This only applies for hydraulic connection
versions 7.1 and 7.2. In all other versions, the HLSC
must be installed directly in the power supply of
the on-site heating circuit pump.
6.12 DHW booster heater
A separate contactor must be provided in the
electric distribution box for the optional electric
auxiliary heater in the DHW tank (anti-legionella
function). See electrical wiring diagram in section
13, Specification. This function is an option and
therefore not supplied with the heat pump.