Ochsner Air Eagle 717, Air Eagle 414, Multi-Tower T200 Operating And Installation Manual
BA_OCHSNER AIR EAGLE_414_717_V06_EN.docx Page 1 of 76
Operating and installation manual
OCHSNER AIR EAGLE 717
OCHSNER AIR EAGLE 414
OCHSNER AIR EAGLE 717 with MULTI TOWER (T200)
OCHSNER AIR EAGLE 414 with MULTI TOWER (T200)
Air/water heat pump
for Heating and DHW
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Contents
1 General ......................................................... 4
1.1 Information on documentation ...................... 4
1.2 Safety regulations ........................................... 4
2 Appliance description ................................... 5
2.1 Heat pump ...................................................... 5
2.2 CE designation ................................................. 5
2.3 Scope of delivery ............................................. 5
2.4 Function .......................................................... 6
2.5 System overview ............................................. 6
3 Outdoor unit ................................................. 7
3.1 Choosing the installation location................... 7
Minimum wall clearances ................................ 8
Dimensions ....................................................... 8
3.2 Opening the outdoor unit ............................... 9
3.3 Main components ......................................... 10
3.4 Cable entries ................................................. 10
3.5 Foundation for the outdoor unit ................... 11
Strip foundation ............................................. 12
Spot foundation ............................................. 12
Concrete plinth .............................................. 13
Installing on flat roofs .................................... 13
4 Indoor unit .................................................. 15
4.1 Golf-Midi indoor unit .................................... 15
Main components .......................................... 15
Connections ................................................... 16
Choosing the installation location.................. 16
Venting the system ........................................ 18
Safety valve .................................................... 18
Expansion vessel/system pressure................. 18
4.2 T200 (MULTI TOWER) indoor unit ................. 19
Appliance description .................................... 19
Main components .......................................... 20
Choosing the installation location.................. 20
Hydraulic and refrigerant connections .......... 22
Transport and handling .................................. 23
Safety valve .................................................... 26
DHW connection and safety assembly........... 26
Filling the system ........................................... 27
Venting the system ........................................ 28
Using T200 with a heating circuit with mixing
valve ............................................................... 28
Cooling with T200 .......................................... 28
T200 maintenance ......................................... 29
5 Connection lines ......................................... 30
5.1 Refrigerant lines ............................................ 30
5.2 Conduit to house ........................................... 31
6 Electrical connection ................................... 32
6.1 Preparation ................................................... 32
6.2 Guidelines ..................................................... 33
6.3 Power connection details.............................. 33
6.4 PSU signal contact ......................................... 34
6.5 Uninterrupted tariff ...................................... 34
6.6 Shutdown by tariff contactor ........................ 34
6.7 Night tariff ..................................................... 34
6.8 Modbus wiring .............................................. 34
6.9 Sensor wiring................................................. 34
6.10 Pumps, drives 230 VAC.............................. 35
6.11 HLSC on the heating circuit ....................... 35
6.12 DHW booster heater .................................. 35
6.13 Wiring diagram .......................................... 36
6.14 Indoor unit wiring ...................................... 37
Golf-Midi indoor unit ..................................... 37
T200 (MULTI TOWER) indoor unit ................. 38
Outdoor unit wiring .................................................. 40
6.15 Wiring diagrams ......................................... 41
EAGLE 717 with Golf-Midi indoor unit ........... 41
EAGLE 717 with T200 indoor unit .................. 42
EAGLE 414 with Golf-Midi indoor unit ........... 43
EAGLE 414 with T200 indoor unit .................. 44
7 Heating system ........................................... 45
7.1 Quality of heating water ................................ 45
7.2 Pressure maintaining system ......................... 45
8 Commissioning ............................................ 46
8.1 Before starting ............................................... 46
8.2 Persons required on site ................................ 46
8.3 Setting the flow rate ...................................... 47
9 Operation .................................................... 48
9.1 Menus ............................................................ 48
9.2 Appliance function ......................................... 49
Heating circuit ................................................ 49
DHW ............................................................... 49
Anti-legionella function ................................. 49
Second heat generator .................................. 49
Screed drying program .................................. 49
9.3 System operation ........................................... 49
Running costs ................................................. 49
Flow temperatures ........................................ 49
10 Troubleshooting .......................................... 50
10.1 Error Codes OTE ......................................... 51
10.2 Dealing with faults ..................................... 52
10.3 Rectifying minor causes independently ..... 52
10.4 Cleaning and care ....................................... 52
11 Maintenance ............................................... 53
11.1 Customer service ....................................... 53
11.2 Maintenance contract ................................ 54
12 Environment and recycling .......................... 55
12.1 Disposal of transport packaging ................. 55
12.2 Decommissioning ....................................... 55
12.3 Disposal of the appliance ........................... 55
13 Specification ............................................... 56
13.1 Data table (with Golf-Midi indoor unit) ..... 56
13.2 Data table (T200 indoor unit) .................... 58
13.3 Pressure drop ............................................. 59
13.4 Pump curves............................................... 59
13.5 Limits of use ............................................... 59
13.6 Performance diagrams EAGLE 717............. 60
13.7 Performance diagrams EAGLE 414............. 60
13.8 Details of energy consumption .................. 61
AIR EAGLE 414 ............................................... 61
AIR EAGLE 717 ............................................... 61
13.9 Electrical wiring diagrams EAGLE 717 ........ 62
13.10 Electrical wiring diagrams EAGLE 414 ........ 67
14 List of figures ............................................... 72
15 List of tables ................................................ 72
16 Declaration of conformity ........................... 73
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1 General
1.1 Information on documentation
The following information is a guideline for the
complete documentation.
Please read your heat pump's operating manual
carefully from beginning to end. This will help you
to operate your heat pump better. This manual is
to be kept readily accessible near the heat pump.
The precautionary information provided below is
used in this document.
WARNING
Failure to observe this information
poses a risk of injury or death and may
lead to material damage. This
information must be observed without
fail.
CAUTION
Failure to observe this information may
lead to an appliance fault or material
damage. This information should be
observed.
PLEASE NOTE
CAUTION
Information for work on electrical
systems. This information must be
observed without fail. Caution - risk to
life!
1.2 Safety regulations
Read this manual thoroughly before
commissioning the heat pump or making settings!
The appliance must not be converted or
modified in any way. Work on the
appliance (repairs, modifications) may
only be carried out by the manufacturer
or bodies authorised by them.
Turn off all mains fuses of the system
before carrying out any work on plug-in
strips or electrical connections (wires).
Commissioning and servicing of the
appliances may only be carried out by
specialist personnel authorised by
OCHSNER.
Installation of the appliances and their
wiring may only be carried out by a
specialist in accordance with local
regulations.
The controller can be used to enable
functions to protect the heat pump.
However, since the controller is not
certified as a safety device, safety
measures in case of failure of or damage
to the heat pump (e.g. additional
external switching of the safety devices
in use) must comply with local
regulations.
In order to avoid malfunctions, fitting
the snow cover on the EAGLE outdoor
unit is mandatory. In the event of heavy
snowfall and after longer idle periods, it
may be necessary to remove the snow.
WARNING
Do not use the appliance as a step or
platform. Do not climb on the appliance
or place any loads on it.
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2 Appliance description
2.1 Heat pump
OCHSNER AIR EAGLE 717 and OCHSNER AIR
EAGLE 414 are air/water heat pumps configured
as split appliances.
The appliance extracts heat at a low temperature
from the outdoor air and releases it to the heating
water at a higher temperature. Heating water can
be heated to a flow temperature of up to 65°C.
The appliance is equipped with an electric
booster heater (DHC). In monovalent mode, the
electric booster heater is switched on when the
bivalent point is not reached to ensure heating
mode or the provision of high DHW
temperatures.
Special features of this heat pump:
• Output-dependent refrigerant circuit
• Variable speed compressor
• Refrigerant circuit controller
• OTE heat manager
• Split outdoor unit with compressor
Additional properties:
•
Suitable for underfloor and radiator
heating systems
•
Low temperature heating systems are
preferred
•
Heat can still be extracted from the
outdoor air at temperatures as low as 20°C
•
Corrosion protected - external cladding
components are made of powder coated
stainless steel
•
Includes all components and safety-
relevant devices required for operation
•
Contains non-flammable safety
refrigerant
Two different indoor units are available for the
air/water heat pump:
•
Golf-Midi indoor unit
•
T200 (MULTI TOWER) indoor unit
2.2 CE designation
The product you have purchased conforms to the
technical regulations valid at the time and is
compliant with CE standards.
2.3 Scope of delivery
The OCHSNER AIR EAGLE heat pump is delivered
in 2 sections.
Golf-Midi indoor unit:
The indoor unit is delivered without its casing
installed. The casing sections are in a separate
package on the same pallet.
Contents of packages:
• Name plate
• Cowl for outdoor installation
• Front panel
• Rear panel
• Side panels, left/right
• OTE controller sensor set
• Operating manual
Optional accessories:
• OTE sensor set for buffer
T200 (MULTI TOWER) indoor unit:
The following components are packed inside the
MULTI TOWER, next to the two pumps:
• Outside temperature sensor
• Adjustable feet
• Drain hose
• Operating manual
Gaskets for the hydraulic connection (heating
circuit flow/return, cold water, DHW) are
attached directly at the connections.
Outdoor unit:
The outdoor unit is shipped fully assembled. It is
transported on a pallet.
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2.4 Function
Heat is extracted from the outdoor air via the
heat exchanger (evaporator) on the air side. The
refrigerant is evaporated and compressed by a
compressor. This requires electrical energy. The
refrigerant is now at a higher temperature level
and releases the heat from the air to the heating
system via another heat exchanger (condenser).
During this, the refrigerant expands and the
process begins again. At air temperatures below
approx. + 7 °C air humidity condenses as ice on
the evaporator fins. This ice is automatically
removed (defrosting). In the defrost phase, the
fan shuts down and the heat pump circuit is
reversed. The heat required for defrosting is
drawn from the buffer tank or the heating circuit.
At the end of the defrost phase the heat pump
automatically returns to heating mode.
2.5 System overview
The heat pump consists of a split outdoor unit and
an indoor unit which is installed in the boiler room.
The connection to the heating system is made via
the flow and return of the heat sink side of the
heat pump.
Figure 1: System overview
EAGLE indoor
Primary/secondary
distribution
EAGLE outdoor unit
Heating return
Heating flow
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3 Outdoor unit
Figure 2: EAGLE outdoor unit
The EAGLE outdoor unit is installed outdoors on a
plinth provided on site. The outdoor unit consists
of a sound-insulated casing for the horizontal fan
and refrigerant circuit components, such as the
evaporator, compressor, expansion valves and
others. It should be installed as closely as possible
to the indoor unit. The minimum clearances to
walls and recesses should be observed for
installation.
CAUTION Risk of injury!
Never remove the grille from the fan.
3.1 Choosing the installation location
The heat pump can be installed at altitudes of up
to 1000 m above sea level.
High wind loads on the outdoor unit can cause
problems with defrosting in defrosting mode.
Avoid installation in an open and exposed location
with high expected wind loads (e.g. flat roof of a
house in a raised location).
Select an installation location where the appliance
is on the side of the building facing away from the
wind (leeward side).
Avoid acoustic reflections when installing the
EAGLE outdoor unit:
• Avoid installation on reverberant floors.
• Installation between two walls can lead to
increased sound levels.
• Avoid installation next to bedrooms.
• Plants and planted areas can reduce sound
levels.
Provide a frost-free drain for any condensate to
drain away. A gravel bed with drainage connection
underneath the evaporator is sufficient. In winter,
ice may form around the drain.
Please note the following with regard to
installation in coastal areas:
• The outdoor unit must be installed at least
1 km away from the sea.
• The installation location selected should
always be on the leeward side of the building
(the side facing away from the sea).
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Minimum wall clearances
Do not place the outdoor unit in a recess. The
diagram shows the minimum wall clearances.
Figure 3: Outdoor unit minimum clearances (in mm)
Dimensions
Figure 4: Outdoor unit dimensions (in mm)
min. 1000
min. 500
min. 1000
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3.2 Opening the outdoor unit
The EAGLE outdoor unit is delivered as a closed
unit. It has to be opened for the connection of the
refrigeration and electric system. We recommend
securing the outdoor unit before removing the
casing cover.
Procedure:
1. Secure the outdoor unit
2. Undo screws on the cover
3. Lift cover out
4. Remove cover
Cover can now be
removed
4
3
Slide cover upwards out
of the bracket
2
Undo 2 hexagon
socket 6 screws
M8x200
Release cover
Secure the
outdoor unit
1
Casing cover
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3.3 Main components
Figure 5: Outdoor unit main components
3.4 Cable entries
Remove the mounting plate to pass through the
hot gas and liquid pipes as well as the 3 supply
cables. After the outdoor unit has been
positioned, the pipes can be aligned and cables
passed through. When everything is ready, realign the mounting plate and tighten the cable
entries.
Figure 6: Outdoor unit conduits
Outdoor unit
control box
Compressor
Fan motor
Inverter
Refrigerant
circuit
Connection
line conduit
Cable entries
Liquid line
Hot gas line
Cable entries for control
cables
M25 x 1.5
Liquid line
Hot gas line
Conduits
Hot gas line
M25 x 1.5
Mounting plate
removed
Cable entry for BUS
cable
M16 x 1.5
Cable entry for power
supply
M25 x 1.5
Conduit
Liquid line
M25 x 1.5
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3.5 Foundation for the outdoor unit
A permanent foundation is required beneath the
outdoor unit. The foundation must meet the load
bearing requirements of the outdoor unit (see
section 13, Specification).
• Provide for frost-free drainage (e.g. a gravel
bed with a frost-free connection to a drain)
for condensation that forms on the outdoor
unit.
• Where refrigerant lines are to be laid in the
ground, ensure correct positioning of the
pipe liner when laying the foundations.
• Use rigid underground sewage pipes or
flexible, double-skinned cable ducts (smooth
on the inside) for the pipe liner.
• This must be done in accordance with the
relevant Building Codes of Practice and
regulations.
Take the expected wind loads at the
installation site into consideration.
Ensure that the outdoor unit is
adequately secured to the foundation
to prevent it from tipping over due to
wind loads.
CAUTION: Slipping hazard
If drainage for condensation is
inadequate, ice can build up in winter
in the area around the outdoor unit.
- Ensure drainage for
condensation is sufficient even
at low temperatures.
- Ensure that no ice is formed,
especially around walking
surfaces and entrances around
the outdoor unit.
NOTE
Insulation used beneath the soil must
be made of a closed-cell material.
Otherwise, the thermal insulation of
the material will be impaired.
Figure 7: EAGLE outdoor unit (view from below), fixing holes in the outdoor unit legs (dimensions in mm)
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Strip foundation
1
Strip foundation
2
Pipe liner for the connecting lines (where installed underground)
3
Gravel bed
4
Drainage pipe (frostproof)
Figure 8: Strip foundation (dimensions in mm)
Spot foundation
1
Spot foundation
2
Pipe liner for the connecting lines (where installed underground)
3
Gravel bed
4
Drainage pipe (frostproof)
Figure 9: Spot foundation (dimensions in mm)
2
1
3
4
min. 800
2
1
3
4
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Concrete plinth
Figure 10: Installation on concrete plinth (dimensions in mm)
Installing on flat roofs
NOTE
Avoid installing the EAGLE outdoor unit
on roofs over living spaces or car ports
attached to living spaces due to the risk
of structure-borne noise transmission.
WARNING Risk of falling
Working on a flat roof without fall
protection constitutes a risk.
• When working on a flat roof,
observe the laws relating to
occupational safety in your
region.
• Always be aware of the open
edge.
Loads and stresses on roof structure
Note that when outside temperatures are very
low, ice can form beneath the outdoor unit.
In terms of roof structure loads, allow for an ice
load of 400 kg/m² in addition to the dead weight
of the outdoor unit.
When installing the EAGLE outdoor unit on top of
a freestanding car port, a garage or a storage
space, please note the following:
• Provide a suitable plinth for roof installation.
• Take the concentrated load arising from the
dead weight of the outdoor unit (subject to
the type of plinth) and the surface load
caused by possible build-up of ice into
consideration.
• Ensure suitable sound insulation between the
outdoor unit and the installation points on
the plinth.
• Use suitable anti-vibration pads between the
plinth and the outdoor unit legs (OCHSNER
accessory no. 290698) – see Figure 11.
• Provide sound insulation between the
outdoor unit legs and the plinth – see
Figure 11.
• Use suitable sound-insulating pipe fixings to
secure the refrigerant lines.
700
min. 1600
1100
200
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1
Base
2
Anti-vibration mount
3
Rubber grommet
4
Washer
5
Fixing screw
Figure 11: EAGLE outdoor unit secured with structure-borne noise attenuating fixings
1
Flat roof
2
Refrigerant lines in open air with thermal insulation and UV protection
3
Base
4
Anti-vibration mount
Figure 12: Flat roof installation of EAGLE outdoor unit (dimensions in mm)
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4 Indoor unit
The indoor unit is installed in the heating distribution room or any other suitable room. The indoor unit
contains the condenser and all hydraulic components required for operation with a water-filled heating
system. Observe the minimum clearances to the wall and recesses when installing the unit and ensure the
maximum room temperature does not exceed 30°C.
4.1 Golf-Midi indoor unit
Main components
Figure 13: Indoor unit detailed view
Indoor unit
control box
OTE controller
MFA module with
• 3-way switching valve
• Safety valve
• Electric auxiliary heater
8.8 kW
• Flow sensor
• Air vent
Circulation pump
Plate heat ex-
changer
Condenser
Expansion vessel
Service valve for
expansion vessel
Valve for filling and
draining
DHW
flow
Heating
flow
Heating
return
DHW
return
Bypass connection
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Connections
Figure 14: View from above
Choosing the installation location
4.1.3.1 Minimum wall clearances
Figure 15: Minimum wall clearances
Room
temperature
<30°C
Controller voltage
230 V~
Booster heater
400 VAC
Sensors <12 V
Liquid line
DHW heating
return
Heating
return
DHW heating
flow
Heating
flow
Hot gas line
Pressure gauge
b
bar
40 cm
min 40 cm
min 40 cm
min 100 cm
65 cm
min 5 cm
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4.1.3.2 Dimensions
Figure 16: Indoor unit dimensions
Figure 17: Indoor unit tilt height
Figure 18: Indoor unit connection dimensions
min. 50 mm
1150 mm
400 mm
650 mm
approx. 132 cm
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Venting the system
Figure 19: Indoor unit air vent valve
CAUTION
Close the valve cap after venting.
Safety valve
NOTE
Water will escape when the safety
valve is opened. Route the drain hose
into the sewage drain at the rear of the
indoor unit. The drain must not be
permanently connected to the sewage
drain! A funnel with a siphon must be
provided.
- Size the drain hose to ensure water can drain
freely when the safety valve is fully open.
- Ensure that the safety valve drain hose is open
to the atmosphere.
- Route the safety valve drain hose with a
continuous slope to the drain.
- Secure the drain hose to prevent movement
when water is running out.
Expansion vessel/system pressure
Preparation for filling:
A 24 l expansion vessel is installed in the heat
pump Golf-Midi indoor unit. In buffer systems or
systems with higher capacity, this expansion
vessel should be checked. If required, install an
additional expansion vessel in the system
(externally, not inside the appliance).
Figure 20: Draining and filling detailed view
Before filling the system, check the pre-charge
pressure in the expansion vessel. This must be
matched to the building height.
- Static head: Difference between highest and
lowest points in the system.
- Pre-charge pressure = static head + 0.3 bar
- System charge pressure = pre-charge pressure
+0.5 bar (when cold)
- Max. permissible operating pressure: 2.6 bar.
Select a safety valve with 3.0 bar.
See EN ISO 4126-1:2013-10-15, part 1: Safety
valves.
- Flush the heating system thoroughly before
filling.
- Only fill with water of potable quality.
CAUTION!
Replace plastic closures with
suitable plugs.
Air vent valve
Drain and fill opening
Expansion vessel
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4.2 T200 (MULTI TOWER) indoor unit
Appliance description
The buffer tank and the DHW tank with heat
exchanger are arranged on top of each other and
can be separated for handling.
1
Heat pump
2
Hot gas
3
Liquid
4
Buffer charging pump
5
Multifunctional assembly (MFA)
6
Magnesium anode
7
Cable grommet
8
Drain stopcock
9
Heating circuit
10
DHW circulation
11
Cold water
12
DHW
13
Connecting hoses
14
Buffer tank
15
DHW tank
Figure 21: T200 hydraulic schematic
The appliance is fitted with a plastic foam outer
casing and a removable front panel. The appliance
is connected hydraulically and electrically to the
heat pump. All hydraulic connections are at the
top.
Further system components are integrated
alongside the DHW tank and the buffer tank:
Heat pump manager, tank charging pump, high
efficiency circulation pump for one direct heating
circuit, multifunctional assembly with safety valve
and 3-way switching valve, emergency/booster
heater for mono energetic operation.
4.2.1.1 DHW tank
The steel tank is fitted internally with a special
direct enamel and a sacrificial anode. The anode
with wear indicator protects the inside of the tank
against corrosion.
The heating water heated by the heat pump is
pumped through an internal indirect coil in the
DHW tank. The internal indirect coil transfers the
absorbed heat to the DHW. The integral heat
pump manager controls DHW heating to the
required temperature.
4.2.1.2 Buffer tank
The steel tank serves to hydraulically separate the
flow rates of the heat pump and the heating
circuit. The heating water heated by the heat
pump is transported to the buffer tank by the tank
charging pump. When there is a demand, the
heating water is supplied to the heating circuit by
the integral heating circuit circulation pump.
4.2.1.3 Heat pump manager (OTE)
The system is controlled via the integral OTE3 heat
pump manager. For adjustment options, see the
controller operating manual.
4.2.1.4 Multifunctional assembly (MFA)
The multifunctional assembly switches between
heating circuit and DHW heating.
10
11
12 9 2
1 3 5
6
8
7
13
8
4
14
15
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Main components
1
Magnesium anode
2
Air vent valve (MFA)
3
Electric booster heater 8.8 kW (MFA)
4
Safety valve (MFA)
5
3-way switching valve (MFA)
6
Electrical connection
7
Cable entries
8
Maintenance flange
9
Drain stopcock
10
Buffer tank (100 l)
11
Drain stopcock
12
Heating circuit pump
13
Buffer charging pump
14
DHW tank (168 l)
15
Condenser (plate heat exchanger)
16
High limit safety cut-out (MFA)
17
Air vent valve
Figure 22: Main components in T200 indoor unit
Choosing the installation location
CAUTION
Do not install the appliance in damp
rooms!
Install the appliance in a frost free and dry room
near the draw-off point. In order to reduce line
losses, keep the distance between the indoor unit
and the outdoor unit small.
Ensure that the floor has adequate load bearing
capacity and is sufficiently level (for weight, see
section 13, Specification). The room must not be
endangered by explosive dust, gases or vapours.
If installing the appliance in a boiler room with
other heating appliances, ensure that their
operation is not affected.
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4.2.3.1 Minimum wall clearances
Figure 23: Minimum clearances (in mm)
Minimum clearances to the side can be either to
the right or the left.
4.2.3.2 Dimensions
Figure 24: Dimensions (in mm)
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Hydraulic and refrigerant connections
e01
Heating circuit flow 1" union nut with flat gasket
e02
Heating return 1" union nut with flat gasket
e50
Hot gas line
e51
Liquid line
c01
Cold water inlet 1" union nut with flat gasket
c06
DHW outlet 1" union nut with flat gasket
c10
DHW circulation 12 mm copper
c12
Safety valve drain
Figure 25: Hydraulic connections and labels, T200 refrigeration
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Transport and handling
- Remove the 4 screws from the non-
returnable pallet.
Figure 26: Removing the fixing screw
- Slightly tilt the appliance and screw in the
4 adjustable feet supplied.
- Lift the appliance from the pallet.
Should narrow doors or corridors impede
handling, the top and bottom sections of the
appliance can be separated as described in the
following sections.
Removing the front cladding:
- Remove the screw from the top centre of the
appliance.
- Unhook the front cladding towards the top.
- Disconnect the control panel plug and the
front panel earth wire.
Installing the front cladding
Install the front cladding in reverse order.
Separating the appliance sections:
Figure 27: Pull the sensor from the buffer tank.
- Pull out the sensor on the buffer tank.
- Remove the sensor cable from the guiding
groove in the insulation element.
Figure 28: Undoing the plug-in connectors
- Undo the plug-in connectors of the 4 hydraulic
connections. Pull out the spring clips fully
using a screwdriver.
- Pull off the hydraulic connections towards the
front.
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