IDM-Energiesysteme Terra CL 10-HGL, Terra CL 30-HGL, Terra CL 20-HGL, Terra CL 25-HGL, Terra CL 33-HGL Technical Documentation And Installation Instructions
...
Ausgabe 23/04/10
Heat pumps with freshwater technology
THE POWER FAMILY
www.idm-energie.com
Technical documentation
Installation instructions
TERRA CL 08-33 - HGL/BA (400V)
TERRA CL 08-33 - HGL-P/BA-P (400V)
reversible for cooling
with Navigator
®
1.0 Control
812215 Rev.7
T HE POWER FAMILY
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Contents
Contents
1. DESCRIPTION 4
1.1. General Information 4
1.2. Description 5
1.3. Application range 5
1.4. Scope of delivery 5
1.5. Protection of the environment 5
2. TECHNICAL DATA 6
3. D
ESIGN 7
4. D
IMENSIONS 10
4.1. Heat Pump CL 10
4.2. Control cabinet 11
4.3. Intake box (optional accessories) 11
5. INTERIOR INSTALLATION 12
5.1. Installation Instructions 12
5.2. Heating Connection 12
5.3. Condensation run-off 12
5.4. Air Routing 12
5.5. Air Inlet and Outlet 12
5.6. Noise 13
5.7. Installation space 13
5.8. Corner installation 14
5.8.1. Space Required and Accessibility 14
5.8.2. Customer preparation 15
5.8.3. Accessories for corner installation 16
5.8.4. Assembly Instructions - Corner Installation 16
5.9. Installation – Standard air duct 17
5.9.1. Accessories – Standard air duct 18
5.9.2. Customer preparation – Option 1 19
5.9.3. Customer preparation – Option 2 20
5.9.4. Assembly instructions - Standard duct 21
5.10. Installation – Flexible air hose 22
5.10.1. Customer preparation – Flexible air hose 23
5.10.2. Accessories – Flexible air hose 24
5.10.3. Assembly instructions – Flexible air hose 25
5.11. Flexible air hose with air intake box 26
5.12. Conversion from left to right-side connection 27
6. EXTERIOR INSTALLATION 28
6.1. Customer preparation 28
6.2. Distances 29
6.3. Accessories – Exterior installation 29
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Contents
Contents
General instructions on operating the heat
pump.
Important instructions on assembling and
operating the heat pump. It is imperative
that these are observed.
General instructions on assembling the heat
pump.
Space for customer service
telephone number
7. HEATING SIDE CONNECTION 30
7.1. Requirement heating side connection 30
7.2. Terra CL-HGL heat pump with IDM Hygienik with separation plate 31
7.3. Terra CL-HGL heat pump with IDM Hygienik and heating buffer 32
7.4. Terra CL-BA heat pump with Hygienik and separation plate 33
7.5. Terra CL-BA heat pump with Hygienik and without separation plate and heating buffer 34
7.6. Terra CL-BA oil/gas boiler, Hygienik with separation plate and heating buffer 35
7.7. Terra CL-HGL-P heat pump with process reversal for cooling and IDM Hygienik with separation plate 36
7.8. Terra CL-BA-P heat pump with process reversal for cooling and IDM Hygienik with separation plate 37
8. ELECTRICAL CONNECTION 38
8.1. Power supply 38
8.2. Connection Diagram Electrical Components 39
8.3. Power Supply Connection 40
8.4. Connection lines control cabinet - heat pump 40
8.5. EMC 41
8.6. Layout of the Inputs on the Central Unit 42
8.7. Sensor design 42
8.7.1. Sensor equipment 42
8.7.2. Flow temperature sensor 42
8.8. Impulse Inputs 42
8.9. Digital Inputs 42
8.10. Layout Outputs 43
8.10.1. Analogue Outputs (80-87) 43
8.10.2. Triac outputs (10-12) 43
8.10.3. Digital outputs 230V AC (20 -38): 43
8.10.4. Connection of the mixers 43
8.11. System Earthing 43
8.12. Maximum Restriction for Underfl oor Heating 43
8.13. Composite signal zone valve 43
9. COMMISSIONING 44
9.1. Commissioning information 44
9.1.1. First switch-on of the heat pump 44
9.1.2. Operation 44
9.2. Malfunctions 46
All rights reserved for modifi cations to the technology and design.
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Description
1. Description
1.1. General Information
By purchasing this system you have acquired a
modern and effi cient heating system. Ongoing qua-
lity controls and improvements as well as functional
checks at the plant guarantee you technically perfect
equipment.
Please read through this documentation carefully. It
contains important information for correct installation
and safe and economical operation of the system.
Safety instructions:
Installation and maintenance work can be hazardous
due to high system pressure, high temperatures and
live parts and may only be operated by specialist staff.
Heat pumps may only be installed by competent specialist staff and commissioned by a customer service
company trained to do so by IDM-Energiesysteme
GmbH. When working on the heat pump, the system
must be deactivated and secured against reactivation.
In addition, all safety instructions in the relevant documentation, stickers on the heat pump itself and all
other applicable safety regulations must be observed.
Transport:
During transport, the heat pump must never be
inclined more than 30°. The heat pump must not be
transported on the connection fi ttings. The transport
packaging may only be removed if the heat pump is
located at its installation location.
Sound emission:
TERRA heat pumps are very quiet in operation thanks
to their design. It is however important that the site of
the heater is situated as far as possible from noisesensitive living areas. A noise-insulating door should
be fi tted door.
Construction drying and screed heating
The heat pump is not designed for the increased heat
requirements when drying out construction work or
heating plaster or screed. This must be covered by
equipment to be provided by the customer if required.
Servicing and maintenance:
Regular maintenance as well as checking and servicing of all system components guarantee its safe and
economical operation in the long term. To achieve
this, we recommend a maintenance contract with the
relevant customer service company.
Cleaning:
If necessary, the TERRA heat pump can be cleaned
with a damp cloth. The use of cleaning agents is not
recommended.
Installing additional components:
The installation of additional components which
have not been tested with the equipment may impair
function. No liability is accepted and the guarantee
becomes void in the event of damage caused for this
reason.
Standards and directives:
Note for the installation of the heatpump
follow all effective national and international piping- and installation rules
same as rules for accident prevention and
safety regulations when installing pipeline
systems and electrical components and
equipment as well as the instructions of
this Installation instruction.
Thereto belongs among other things:
- the general effective rules for accident prevention
and safety regulations
- the regulations for environmental protection
- the provisions/regulations of the professional associations.
- the effective laws, standards, guidelines and regulations e.g. DIN,EN,DVGW,VDI and VDE
- regulations of the local suppliers/supply companies
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Allgemeine Beschreibung
Description
1.2. Description
The TERRA CL is an air-water heat pump with suction
gas cooled scroll compressor with large multi-row Al/
Cu fi nned evaporator.
A special speed-controlled radial fan means that large
fl ow rates can be achieved at low speeds.
A plate heat exchanger is used as the condenser . The
machine frame consists of a steel-reinforced plastic
profi le. The cover panels are foam-insulated. This
means that the casing is completely protected from
cold bridges and has excellent sound insulation.
The heating controller is a modern controller that fulfi ls all the functions of standard heating regulation.
The heat pump has a compact design, the evaporator
is ready-fi tted in the top of the heat pump casing. The
heat pump is fi lled with refrigerant and is checked in
the factory before shipping for reliable functioning.
1.3. Application range
For monovalent heating and cooling of detached and
semi-detached houses under appropriate environmental conditions. The building must be equipped
with low-temperature heating (e.g. underfl oor heating,
wall heating, low-temperature radiator heating).
TERRA CL heat pumps work using the R407C safety
refrigerant which, when correctly mounted and commissioned, circulates in a closed circuit. This minimises its environmental impact.
1.4. Scope of delivery
- Heat pump unit with suction gas cooled scroll
compressor
- Stainless steel plate heat exchanger as condenser
- Finned tube Al/Cu evaporator package
- Speed-controlled radial fan
- Starting current limiter with rotary fi eld monitoring
- Refrigerant collector and dryer
- Thermostatic expansion valve
- Refrigerant inspection glass
- Refrigerant heat exchanger
- pressure controller for high and low pressure monitoring
- Integrated switching valve for defrosting
- Switch cabinet with integrated regulation
- Defrost regulator
- Inlet air sensor
- Thermal relay to protect the compressor
- Thermally insulated basic frame
- Cladding, insulated against heat and noise
- Electric heating immerser for any re-heating
required (6 kW integrated in TERRA CL 08-15, for
TERRA CL 20-33 a 9 kW heating immerser is available as accessories)
- fl exible connection hoses
HGL heat pumps
- Built-in HGL valve
- Stainless steel plate heat exchanger as HGL
exchanger
Other accessories:
see also the IDM pricing list
1.5. Protection of the environment
The lower the maximum fl ow temperature
is set, the higher the effi ciency of the heat
pump.
Heatpumps are electrical equipment
made from high valuable materials,
which are not allowed to be disposed
like normal household garbage, but
have to be disposed professional and
proper according the regulations of the
local authorities.
A non-proper disposal can cause, apart
from sanctions for the violator, environmental damages and harm for your
health.
The charging pump is integrated in TERRA CL-HGL/BA 8-15, loosely suplied with
the TERRA CL-HGL 20-33 and available
as acessories for TERRA CL-BA 20-33!
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Technical data
2. Technical data
TERRA CL 08-33
to EN 14511
Type Unit8 10121520253033
Heat output for A2/W35 [kW] 8.6 10.4 12.5 15.2 20.8 24.6 30.4 32.6
Heat output for A7/W35 [kW] 11.1 13.6 16 18.9 27.2 32.0 37.8 39.2
Heat output for A-7/W35 [kW] 7.3 8.8 10.4 12.2 17.6 20.8 24.4 28
Power consumption for A2/W35 [kW] 2.44 2.97 3.57 4.47 5.90 7.10 8.90 9.59
Power consumption for A7/W35 [kW] 2.59 3.24 3.85 4.49 6.50 7.70 9.00 9.80
Power consumption for A-7/W35 [kW] 2.37 2.84 3.53 3.94 5,85 6,95 8,78 9.33
COP for A2/W35 3.5 3.5 3.5 3.4 3.5 3.4 3.4 3.4
Cooling output for A35/W7 [kW] 7.2 8.4 10.4 12.2 16.8 20.8 24.4 --
Cooling output for A35/W18 [kW] 9.8 11.5 14.4 16.8 23.0 28.8 33.6 --
Power consumption for A35/W7 [kW] 3.10 3.80 4.50 5.50 7.60 9.00 11.00 --
Power consumption for A35/W18 [kW] 3.60 4.40 5.30 6.70 8.80 10.6 13.40 --
COP for A2/W35 2.3 2.2 2.3 2.2 2.2 2.3 2.2 --
Weight HGL/Basic [kg] 254/240 269/255 306/290 326/310 413/395 468/450 488/470 498/480
Dimensions
HxBxT [cm] 153x110x75 153x110x75 163x120x78 163x120x78 173x120x88 193x130x98 193x130x98 193x130x98
Condenser
Radiator flow and return pipe R1" AG R1" AG R1" AG R1" AG R 1¼" AG R 1 ½" AG R 1 ½" AG R 1 ½" AG
Max. flow temperature [°C] 55 55 55 55 55 55 55 55
Max. operational pressure [bar] 3 3333333
Min. heating circuit water volume [l/h] 1500 1800 2200 2650 3550 4200 5250 5650
Pressure loss - heating side [kPa] 10 11 15 17 15 16 17 18
Recommended or installed storage
UPS 25-60 UPS 25-60 UPS 25-80 UPS 25-80 TOP S 30/10 TOP S 30/10 TOP S 30/10 TOP S 40/10
tank charging pump (Grundfos / Wilo) EAS 25/6 EAS 25/6
Remaining pressure of loading pump [kPa] 35 30 52 46 92 88 80 76
Installed or recommended [kW]
66669999
electric immersion heater
Condensation run-off R1" AG R1" AG R1" AG R1" AG R1" AG R1" AG R1" AG R1" AG
copper-soldered stainless steel plate heat exchanger
Not included as standard
Not included as standard
Fan type
Nominal air volume [m³/h] 3500 4000 4500 5500 7000 8100 9500 10000
Externally available compression [Pa] 70 30 100 90 200 250 200 200
Refrigerant
Filling quantity [kg] 4.0 4.2 6.0 6.1 8.5 10.3 10.5 10.5
Electrical connection [V]
Operating current (compressor+fan) [A] 8.4 9.8 11.1 12.8 19.2 24.6 27.8 29.2
Starting current [A] 18.6 30.7 30 34.8 35.7 45.9 51.8 66.7
Upstream fuse primary current (Type C,K) [A] 13 13 13 16 20 25 32 32
Upstream fuse control current (Type C,K) [A] 13 13 13 13 13 13 13 13
Upstream fuse Electric heating element (Type C,K) [A] 13 13 13 13 ----
Acoustic power level [dB(A)] 61 62 64 65 66 67 68 69
Sound level in 5 m [dB(A)] 43 43 45 46 47 48 49 50
Sound level in 10 m [dB(A)] 37 37 39 40 41 42 43 44
3x400V / 50Hz
radial / speed-controlled
R407C
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-20 -15 -10 -5 0 5 10 15 20
W35 EN14
CL 33
CL 25
CL 20
CL 15
CL 12
CL 10
CL 08
{
{
CL 30
outside temperature [°C]
heating capacity [kW]
bivalence point of the
particular heatpump type
standard external temperature
electr. additional heating
at TERRA CL 15
service water required
electr. additional heating
at TERRA CL 20
building- characteristic line
required heating capacity at
standard external temperature
incl. service water required
Design
3. Design
The dimensioning of an air/water heat pump should
be such that the bivalence point is between -3 and
-10 °C. This will help ensure that more than 90° of
the annual heating requirement is covered by the
heat pump.
The maximum heating output of a building is determined in the design, including its water consumption
requirement.
In addition, the standard outside temperature is
required. This is determined by geographical location
and can be obtained from various institutions.
Example:
Single-family house in Germany
4 persons
Service water requirement: 4 x 0.25 kW = 1 kW
Heating output requirement: 16 kW
Standard - outside temperature
Germany: - 16 °C
Off-period factor: 1.1
Heating output required:
(Service water consumption required + heating output required) x off-period factor = 18.7 kW
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CL 08
CL 10
CL 12
CL 15
CL 33
CL 20
CL 25
CL 30
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-20 -15 -10 -5 0 5 10 15 20
4511
EN1
W35
EN1
Outside temperature [°C]
Heating capacity [kW]
CL 08
CL 10
CL 12
CL 15
CL 33
CL 20
CL 25
CL 30
0
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-20 -15 -10 -5 0 5 10 15 20
4511
EN1
W45
EN1
Outside temperature [°C]
Heating capacity [kW]
Design
Design
Performance charts
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CL 10
CL 12
CL 15
CL 33
CL 20
CL 25
CL 30
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40
45
-20 -15 -10 -5 0 5 10 15
20
4511
EN1
W55
EN1
Heating capacity [kW]
Outside temperature [°C]
Design
Design
T HE POWER FAMILY
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Dimensions
4. Dimensions
Conduit bushings in Terra CL HGL:
1 ... HGL fl ow (fl ex. connection hose)
2 ... Heating fl ow (fl ex. connection hose)
3 ... Sensor and control lines
4 ... Heating return
5 ... Condensation run-off
Conduit bushings in Terra CL BA:
1 ... Heating fl ow (fl ex. connection hose)
2 ... Sensor lines
3 ... Control lines (CL 12-15 heating return)
4 ... Heating return (CL 12-15 control lines)
5 ... Condensation run-off
Typ b h t a d e f g i j k l m
8 1100 1535 750 640 865 690 1035 575 460 350 240 125 125
10 1100 1535 750 640
865 690 1035 575 460 350 240 125 125
12 1200 1635 780 640
965 720 1135 575 460 350 240 125 125
15 1200 1635 780 640
965 720 1135 575 460 350 240 125 125
20 1200 1735 880 740 965 820 1135 675 540 400 260 125 125
25 1300 1935 980 740 1165 920 1235 675 540 400 260 125 125
30 1300 1935 980 740 1165 920 1235 675 540 400 260 125 125
33 1300 1935 980 740 1165 920 1235 675 540 400 260 125 125
TERRA CL 08-33
Alle Maße in mm
4.1. Heat Pump CL
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560
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Dimensions
Dimensions
4.2. Control cabinet
4.3. Intake box (optional accessories)
The control cabinet contains the complete heat pump
control system. It is separate from the heat pump,
mounted on a suitable wall with the frame screws
provided.
The connection cables are laid through the PG screw
connections provided on the bottom of the control
cabinet.
Type TERRA CL B H t
08-10 1098 924 600
12-15 1198 1024 700
All dimensions in mm
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Interior installation
5. Interior installation
5.1. Installation Instructions
Interior installation of the heat pump is recommended.
This means that the work involved in frost protection
and condensation run-off heating can be avoided.
It also means that the inlet air / outlet air can be conveyed to the heat pump with the least possible heat
losses. Various installation options are described in
detail in the following chapters.
All components of the heat pump are insulated so that
no condensation is formed on the external parts even
at outlet air temperatures of -20°C. However, it is still
advisable to air the room regularly.
The heat pump is decoupled via vibration dampers.
The installation location should consist of a solid
base.
5.2. Heating Connection
A fl exible hose set is included as standard for heating
connections. See technical data for appropriate connection sizes for specifi c machines. It is advisable to
use air source heat pumps only in combination with a
buffer tank such as the IDM Hygienik Tank.
5.3. Condensation run-off
Air source heat pumps generate condensation during
operation. With larger machines, up to 50l of water
can be extracted from the ambient air per day. The
condensation run-off should be conveyed into the
waste water channel via a siphon using the appropriate pipe diameter for the machine.
5.4. Air Routing
The various air ducts (see accessories for interior
installation) and wall openings are designed specifi -
cally for the relevant machines in question. Effi cient
and fault-free operation can only be ensured if the
appropriately sized connection elements are used.
5.5. Air Inlet and Outlet
The options for how the air inlet and air outlet are
designed are varied. The list below provides design
guidelines:
- Air inlet side and air outlet side should always be on
two different sides of the building.
- Openings in the masonry must always be protected
against the penetration of foreign bodies (leaves,
small animals). To do this, mesh grilles should be fi t-
ted in light shafts, and weather-shield grilles should
be installed on visible walls.
- Wall openings must be created as per the specifi ca-
tions and insulated against damp penetration using
a closed-pore insulating material (minimum thickness 50 mm).
Even light shafts which are too small
enlarge the pressure loss of the air routing. These must therefore be suffi ciently
large.
Light shafts must have a rainwater
run-off.
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Interior installation
Interior installation
5.6. Noise
Noise level in the installation room depends on
various factors such as room size, absorption
capacity, refl ection, free noise propagation, etc.
For this reason, it is important that the heat pump
is situated as far as possible from noise-sensitive
areas. A noise-insulating door should be fi tted.
The night-time reduction in the fan speed means that
noise can be reduced by up to 4 dB. Noise level on
the inlet and exhaust air openings are also reduced
by approx. 4 dB when using air shafts or ducts.
In case of exterior installation, the installation of the
heat pump in a corner can lead to a higher noise level.
Superposition of the sound waves means that noise
level can increase up to 3 dB.
5.7. Installation space
- The TERRA heat pumps should be
installed in a frost-proof room. (Room
temperature should be between 5°C
and 35°C)
- In case of a fl oating fl oor screed the screed and
the sound damping around the heat pump have
to be omitted.
- Heat pumps should not be installed in wet rooms
or in potentially dust or explosion-endangered
rooms.
- Gas from refrigerants in plant rooms must not es-
cape into vicinal rooms, stair rooms, courtyards,
walks or into the drainage system of the building.
The gas has to be channelled off safely.
- In case of danger, the plant room has to be eva-
cuated immediately.
- For powering off the cooling facility, a remote
power-off switch has to be installed nearby the
door of the plant room.
- In case a natural ventilation is not possible, a
mechanical ventilation has to be provided. A
mechanical ventilation has to be equipped with
an independent emergency control outside of the
machine room near the door.
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Interior installation
Interior installation
5.8. Corner installation
The ideal position for the heat pump has proved to
be in a corner. Wall openings can be prepared by the
customer in advance. These openings must be insulated with closed pore insulating material (minimum
thickness 50 mm).
5.8.1. Space Required and Accessibility
To guarantee maintenance and operation of the heat
pump, the following minimum distances must be
observed:
Front side (operation and maintenance side) =
800 mm
Maintenance side = 500 mm
Observing these distances will help ensure problemfree system maintenance and operation.
A condensation run-off with siphon must normally be fi tted opposite the exhaust air opening
for the heat pump.
Heating connection /
Condensation run-off/
Electrical connections
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Interior installation
Interior installation
Based on accessibility, the exhaust air
opening should ideally be on the righthand side.
Specifi ed dimensions include clearances. Wall opening should be thicker around the wall
insulation. Minimum thickness of the wall insulation is 50 mm.
5.8.2. Customer preparation
Exhaust air opening to right Exhaust air opening to left
An even, solid installation surface must be selected.
After positioning the heat pump, it must then be levelled. There are adjustable feet on the heat pump for
this purpose.
Typeabcdefg
8 1000 830 650 830 90 650 650
10 1000 830 650 830 90 650 650
12 1100 930 680 930 90 650 650
15 1100 930 680 930 90 650 650
20 1100 930 780 930 90 750 750
25 1200 1130 880 1130 90 750 750
30 1200 1130 880 1130 90 750 750
33 1200 1130 880 1130 90 750 750
TERRA CL 08-33
All dimensions in mm
Corner installation
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Installation instructions Terra CL
16
1
2
3
4
5
6
7
8
9
1
0
1
1
2
1
3
1
2
3
4
5
Pos. 341
Pos. 342 (343)
Pos. 345 (346)
Pos. 344
Interior installation
Interior installation
5.8.3. Accessories for corner installation
Pos. 341 .... Wall connection intake (for tight transfer)
Pos. 342 .... Weather shield grille intake
Pos. 343 .... Mesh grille intake
Pos. 344 .... Wall connection outlet (for tight transfer)
Pos. 345 .... Weather shield grille outlet
Pos. 346 .... Mesh grille outlet
5.8.4. Assembly Instructions Corner Installation
Wall connection is supplied separately. Vertical
connections must be affi xed fi rst. To do this, simply
remove the fi lm on the rear side. The cellular rubber
can then be affi xed fl ush with the external edge of
the heat pump. Additionally the horizontal elements
are also lined on the front. This will help ensure an
optimum seal.
Before the machine is positioned in the corner, a check
should be carried out to ensure that the wall opening
prepared by the customer has been insulated. The
machine can then be moved into the corner.
If there are any air gaps on the outlet or inlet openings due to the ground being uneven, this can be
corrected using the adjustable machine feet.
Noise level in the installation room depends on various factors such as room size, absorption capacity,
refl ection, free noise propagation, etc. For this reason,
it is important that the heat pump is situated as far as
possible from noise-sensitive areas. A noise-insulating
door should be fi tted.
Signifi cant pressure against the wall
should be avoided.
The heat pump may only be moved with
the panels fi tted.
T HE POWER FAMILY
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Installation instructions Terra CL
17
1
2
3
4
5
6
7
8
9
1
0
1
2
13
1
2
3
4
5
Interior installation
Interior installation
5.9. Installation – Standard air duct
If there are no two external walls directly available for
installation, the air fl ow can be conveyed outwards
via insulated air ducts. Our range includes standard
air ducts which can be connected directly to the heat
pump without adaptation.
There are two ways to do this:
Option 1
Option 2
This method is used if there are no two external walls
available. As a short circuit may occur between the
supply and exhaust sides with this method, the inlet
and outlet should be positioned as far apart as possible. The unit can be separated from any shrubbery
by fi tting dividing walls if necessary.
This method is equivalent to corner installation. This
method can be used if corner installation is not possible due to space restrictions or if a gap needs to be
bridged between the heat pump and outlet side.
Air ducts can be connected to the right
and left of the heat pump. Heating and
electrical connections can also be fi tted
on both sides.
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Installation instructions Terra CL
18
1
2
3
4
5
6
7
8
9
1
0
1
1
2
1
3
1
2
3
4
5
Pos. 341
Pos. 342 (343)
Pos. 421 Pos. 423
(424)
Pos. 425 Pos. 426
Pos. 427 (428)
Pos. 341
Pos. 342 (343)
Pos. 421 Pos. 423
(424)
Pos. 426
Pos. 427 (428)
Interior installation
Interior installation
5.9.1. Accessories – Standard air duct
Option 1:
Option 2:
Pos. 341 ... Wall connection intake
Pos. 421 ... Outlet panel right / left
Pos. 423 ... Duct (1000 mm)
Pos. 424 ... Duct (1500 mm)
Pos. 425 ... Elbow 90°
Pos. 426 ... Wall connection
Pos. 342 .... Weather shield grille intake
Pos. 343 .... Mesh grille intake
Pos. 427 .... Weather shield grille outlet
Pos. 428 .... Mesh grille outlet
The air ducts are delivered with the
installation material (screws, washers,
nuts).
T HE POWER FAMILY
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Installation instructions Terra CL
19
1
2
3
4
5
6
7
8
9
1
0
1
2
13
1
2
3
4
5
a
b
c
d
e
f
g
Type a b c d e
f
g**
8 1000 830 500 700 650 720 1100
10 1000 830 500 700 650 720 1100
12 1100 930 500 700 650 770 1100
15 1100 930 500 700 650 770 1100
TERRA CL 08-15
All dimensions in mm
Standard duct - Version 1 (90°)
** for 1000 mm duct length / length can be cut to size as required
Interior installation
Interior installation
5.9.2. Customer preparation – Option 1
Specifi ed dimensions include clearances. Wall opening should be thicker around the wall insula-
tion. Minimum thickness of the wall insulation is 50 mm.
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Installation instructions Terra CL
20
1
2
3
4
5
6
7
8
9
1
0
1
1
2
1
3
1
2
3
4
5
a
b
c
d
e
f
g
h
Type a b c d e
f
g** h
8 1000 830 500 700 650 720 1100 270
10 1000 830 500 700 650 720 1100 270
12 1100 930 500 700 650 770 1100 270
15 1100 930 500 700 650 770 1100 270
TERRA CL 08-15
All dimensions in mm
Standard duct - Version 2 (180°)
** for 1000 mm duct length / length can be cut to size as required
Interior installation
Interior installation
5.9.3. Customer preparation – Option 2
Specifi ed dimensions include clearances. Wall opening should be thicker around the wall
insulation. Minimum thickness of the wall insulation is 50 mm.
T HE POWER FAMILY
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Installation instructions Terra CL
21
1
2
3
4
5
6
7
8
9
1
0
1
2
13
1
2
3
4
5
Interior installation
Interior installation
5.9.4. Assembly instructions - Standard duct
Air Inlet Side
The inlet-side wall connection is supplied separately.
Vertical connections must be affi xed fi rst. To do this,
simply remove the fi lm on the rear side. The cellular
rubber can then be affi xed fl ush with the external
edge of the heat pump.
Additionally the horizontal elements are also lined on
the front. This will help ensure an optimum seal.
Before the machine is positioned on the inlet opening,
check that the wall opening prepared by the customer
has been insulated.
If there are any air gaps on the outlet or inlet openings
due to the ground being uneven, this can be corrected
using the adjustable machine feet.
The heat pump may only be moved with
the panels fi tted.
Signifi cant pressure against the wall
should be avoided.
If two or more ducts are assembled
together, the duct must be supported
(above or below).
Outlet Panel
The outlet panel is mounted using the four clamps
supplied.
Duct:
Assemble the duct using the screw set supplied. The
fi tting length should then be checked.
If the straight duct is too long, two rivets can be bored
open on one side so that the fl ange can be removed.
The duct can then be cut to length using an angle
grinder or a jigsaw with the relevant blade. The fl ange
can then be re-fi tted.
Insulation:
The insulation for the straight duct is supplied separately. This is self-adhesive and needs to be affi xed
once the duct has been cut to the correct length.
Wall connection:
The wall connection is sprayed into the wall opening
with assembly foam. The outlet duct must be connected before the foam hardens.
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Installation instructions Terra CL
22
1
2
3
4
5
6
7
8
9
1
0
1
1
2
1
3
1
2
3
4
5
Interior installation
Interior installation
5.10. Installation – Flexible air hose
This option is suitable for connecting to air openings
at varied heights. The air hose is supplied in three
different lengths and can be cut to length as required.
Option 1
Option 2
T HE POWER FAMILY
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Installation instructions Terra CL
23
1
2
3
4
5
6
7
8
9
1
0
1
2
13
1
2
3
4
5
a
b
c
d
e
f
a
b
e
c
d
Type a b c d e
f
8 1000 830 620 620 650 > 1000
10 1000 830 620 620 650 > 1000
12 1100 930 720 720 650 > 1000
15 1100 930 720 720 650 > 1000
All dimensions in mm
Flexible hose - lateral
TERRA CL 08-15
Interior installation
Interior installation
5.10.1. Customer preparation – Flexible air hose
Specifi ed dimensions include clearances. Wall opening should be thicker around the wall insula-
tion. Minimum thickness of the wall insulation is 50 mm.
Option 1
Option 2
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Installation instructions Terra CL
24
1
2
3
4
5
6
7
8
9
1
0
1
1
2
1
3
1
2
3
4
5
Pos. 341
Pos. 342 (343)
Pos. 381 Pos.
387
Pos. 3861
(3862)
(3863)
Pos.
387
Pos. 383 Pos. 384
(385)
Pos. 342 (343)
Pos. 388
Pos. 384 (385)
Pos. 383
Pos. 3861
(3862)
(3863)
Pos. 382
Pos. 344
Interior installation
Interior installation
5.10.2. Accessories – Flexible air hose
Pos. 341 ... Wall connection intake
Pos. 381 ... Outlet panel right / left
Pos. 3861 ... Insulated air hose (5 m)
Pos. 3862 ... Insulated air hose (3 m)
Pos. 3863 ... Insulated air hose (2 m)
Pos. 383 ... Wall fl ange
Optional accessories:
Pos. 342 .... Weather shield grille intake
Pos. 343 .... Mesh grille intake
Pos. 382 .... Top outlet panel
Pos. 384 .... Weather shield grille outlet
Pos. 385 .... Mesh grille outlet
Pos. 388 ... Side panel right / left
Option 1 Option 2
T HE POWER FAMILY
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Installation instructions Terra CL
25
1
2
3
4
5
6
7
8
9
1
0
1
2
13
1
2
3
4
5
Interior installation
Interior installation
5.10.3. Assembly instructions – Flexible air hose
Air Inlet Side
The inlet-side wall connection is supplied separately.
Vertical connections must be affi xed fi rst. To do this,
simply remove the fi lm on the rear. The cellular rubber
can then be affi xed fl ush with the external edge of the
heat pump.
Additionally the horizontal elements are also lined on
the front. This will help ensure an optimum seal.
Before the machine is positioned on the inlet opening,
check that the wall opening prepared by the customer
has been insulated.
The heat pump may only be moved with
the panels fi tted.
Signifi cant pressure against the wall
should be avoided.
If there are any air gaps on the outlet or inlet openings
due to the ground being uneven, this can be corrected
using the adjustable machine feet.
Outlet panels:
The outlet panel is mounted using the four clamps
supplied.
Wall fl ange:
The wall fl ange must be fi tted to the air outlet opening
using suitable mounting materials. There are four bore
holes at the corners of the fl ange for this purpose.
Hose:
The hose can be cut to any size required. For connecting the two fl anges, the hose insulation is pushed
together at both ends.
The hose is fi tted onto the fl ange using a hose clamp.
The insulation can then be pushed back onto the
fl ange.
The air hose should be supported by a
bracket every 0.5 m.
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Installation instructions Terra CL
26
1
2
3
4
5
6
7
8
9
1
0
1
1
2
1
3
1
2
3
4
5
Pos. 405
Pos. 383
Pos. 384
(385)
Pos. 383Pos. 384
(385)
Pos. 3861
(3862)
(3863)
Pos. 402
Pos. 3861
(3862)
(3863)
Pos. 381
Pos. 388
Interior installation
Interior installation
5.11. Flexible air hose with air intake box
Pos. 381 ... Outlet panel right / left
Pos. 3861 ... Insulated air hose (5m)
Pos. 3862 ... Insulated air hose (3m)
Pos. 3863 ... Insulated air hose (2m)
Pos. 383 ... Wall fl ange
Pos. 402 ... Air intake box with connection on top
Pos. 405 ... Air intake box with lateral connection
Optional accessories:
Pos. 384 .... Weather shield grille outlet
Pos. 385 .... Mesh grille outlet
Pos. 388 .... Side panel right / left
The dimensions for the wall openings, and the openings for the outlet hose, are listed on
page 23.
T HE POWER FAMILY
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Installation instructions Terra CL
27
1
2
3
4
5
6
7
8
9
1
0
1
2
13
1
2
3
4
5
Interior installation
Interior installation
5.12. Conversion from left to right-side connection
The larger CL and also all CL - HGL machines need no other pipe clamp. It's also
not necessary to shorten the thread rod.
You only have to turn the connection by
180°.
The TERRA CL HGL is pre-fi tted with left-hand side
connection openings. The connection side can be
changed if required. The following steps are required
to do this:
Remove the panels on the left and
the right-hand side by unfastening
the eight respectively four screws.
Remove the central bar and the
assembly angle by unscrewing the
clamping screws above and below.
Converting the hydraulic pipework CL08-10 BA
For converting the hydraulic pipework remove the
left-hand side pipework and the cable fi ttings.
2
3
4
1
To remove the pipework unfasten the pipe clamps
(2) and the connection angle (3) on the plate heat
exchanger. Turn the upper elbow joint by 180° and
tighten again (according to the picture). Tighten the
fi xing clips and threaded rods. Install the circulation
pump and turn the pump head back.
The heating side connection of the electrical heater may not be exposed to heavy tension!
For the upper pipework remove the copper extension
pipe (1) at the connection (4). The heating side connection is carried out directly on the electrical heater.
Mount the thread rod in the provided tap hole on the
right side of the base plate. To fi x the upper pipework
you have to shorten the upper thread rod. So you can
fi x the pipework with the thread rod and the provided
pipe clamp (54 - 59mm) on the electical heater.
Re- fasten all connecting cables using the cable binder. Then re-fi t the panels onto the opposite side.
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Installation instructions Terra CL
28
1
2
3
4
5
6
7
8
9
1
0
1
1
2
1
3
1
2
3
4
5
6
Exterior installation
6. Exterior installation
6.1. Customer preparation
Foundation:
The foundation should be level and stable. A base
can be provided by the customer or a paving slab
can be laid on a gravel base. The air source heat
pump should be positioned slightly higher than the
immediate site profi le.
Space requirements:
The heat pump must be positioned so that there is
suffi cient space for air intake and air outlet (see mini-
mum distances for exterior installation). It should not
be possible for the inlet and exhaust air openings to
become blocked by snow, leaves, etc.
Installation in wall niches is to be avoided.
Inlet air:
The inlet air must be free of impurities such as sand
and caustic materials such as ammonia, sulphur,
chlorine, etc.
Condensation pipe:
The condensation pipe must be laid so that the
water can also fl ow off even at outside temperatures
below 0°C. A heatable siphon should be fi tted.
Alternatively, an electrical self-regulating heating
cable can be used that is selected via the Navigator
Control.
Frost protection:
If, in the case of bivalent-alternative operation, the
HP is shut down at low outside temperatures, there
is a potential danger that the heating lines and the
condenser plate heat exchanger could freeze.
The following frost protection options are possible:
- Electrical self-regulating heating cable on pipes and
condenser
- Frost protection function of the control system.
Heating connections:
In general, all lines outdoors should be kept as short
as possible. All pipes and wall openings must be professionally heat-insulated and frost-protected during
installation.
It might be necessary to install a self-regulating electrical heating cable to protect the lines from frost.
Installation location:
Despite the reduction in speed during the night, the
heat pump should not be positioned adjacent to a
living room or bedroom. The relevant installation
guidelines conforming to EN 378, for example, must
be observed.
T HE POWER FAMILY
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Installation instructions Terra CL
29
1
2
3
4
5
6
7
8
9
1
0
1
2
13
1
2
3
4
5
6
min. 1 m
min. 2 m
min. 2 m
min. 0,8 m
C
D
E
B
A
lternativ
connection heating side
condensation run off
Pos. 491
Pos. 494
Pos. 301
Pos. 301
Pos. 302
Pos. 303
Pos. 306
Exterior installation
Exterior installation
6.2. Distances
Type TERRA CL A B C D E
08-10 750 1100
190 150 125
12-15 780 1200
20 880 1200
25-33 980 1300
6.3. Accessories – Exterior installation
Pos. 301 ... Unit roof coated
Pos. 491 ... Noise insulation cover intake
Pos. 494 ... Noise insulation cover outlet
Pos. 301 ... Unit roof coated
Pos. 302 ... Weather shield grille intake
Pos. 303 ... Weather shield grille outlet
Pos. 306 ... Cover box - insulated
T HE POWER FAMILY
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Installation instructions Terra CL
30
1
2
3
4
5
6
7
8
9
1
0
1
1
1
1
3
1
2
3
4
5
6
7
Heating Side Connection
7. Heating Side Connection
7.1. Requirement heating side connection
The relevant laws, regulations and standards for machine room piping and for heat pump systems must
also be observed.
- It is essential that a dirt trap is fi tted in the heating
return pipe.
- Safety devices and expansion devices for closed
heating systems according to EN 12828 must be
fi tted.
- The dimensioning of the lines must be in accordance
with the required fl ow volumes.
- The connection hoses supplied for the heat pump
fl ow and return lines must always be installed. The
connection hoses can be cut to the required length,
but not shorter than 60 cm. In addition, the connection hoses must not be bent.
- Venting options should be fi tted at the highest points
of the connection lines, and draining options at the
lowest points.
- To avoid heat loss connection lines should be insulated using suitable material.
Oxygen diffusion
With plastic pipe underfl oor heating or open heating
systems which are not diffusion-tight, corrosion may
occur on steel parts when using steel pipes, steel
radiators or storage tanks due to oxygen diffusion.
Corrosion products can be deposited in the condenser and may cause heating losses to the heat pump
or high-pressure faults.
For this reason, open heating systems or steel pipe
installations in combination with plastic pipe underfl oor heating which is not diffusion-tight should be
avoided.
Heating water quality
Depending on the quality of the heating water, lime
scale may occur (adherent coating primarily consisting
of calcium carbonate) on heat exchanger surfaces in
particular, i.e. with a high proportion of calcium hydrogen carbonate there is a risk of lime scale forming.
For this reason, in systems with a water hardness
of over 14°dH or with a calcium hydrogen carbonate
concentration of more than 2.5 mol/m³, the heating
water should be treated accordingly (softened/demineralised).
Information on the calcium hydrogen carbonate concentration c(Ca(HCO3)2) of your heating water can
be obtained from your water supply company.
The pH value should also be checked; this should be
between 8 and 9.5.
- EN 12828
- ÖNORM H 5195
- VDI Directive no. 2034-1
Incorrect fl ow volumes due to incorrect
pipework, incorrect fi ttings or incorrect
pump operation may cause damage.
T HE POWER FAMILY
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Installation instructions Terra CL
31
1
2
3
4
5
6
7
8
9
1
0
1
1
2
13
1
2
3
4
5
6
7
T
T
TT
T
T
M
M
CL
T
T
B61
B
5
1
B
35
9
41
42
1
21
B
52
2
M31
M41
2
HW
C
W
separation plate
Hygienik
T
erra CL HGL
RE (B)
RE (A)
HC (A)HC (B)
FS
FS
O
S
SPF
Heating Side Connection
Heating Side Connection
When using a fl ow meter to measure the heat volume, the sensor B39 must be fi tted in
an immersion sleeve in the heat pump return directly in the heat pump (see installation
instructions fl ow meter).
7.2. Terra CL-HGL heat pump with IDM Hygienik with separation plate
During the priority charging procedure, the top area of
the storage tank is charged with the speed-controlled
charging pump at the set HGL temperature.
During the heating operation of the heat pump,
a proportion of the fl ow is always charged into the
top storage tank area via the HGL exchanger and the
HGL valve at the set HGL temperature.
This keeps the Hygienik at the right temperature whilst
at the same time the lower storage tank area is better
used as a buffer due to the higher temperature, this
means
- longer running times for the heat pump
- longer deadtimes
- more tapwater and higher tapwater temperature
T HE POWER FAMILY
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. Allgemeine Beschreibu
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Installation instructions Terra CL
32
1
2
3
4
5
6
7
8
9
1
0
1
1
1
1
3
1
2
3
4
5
6
7
T
T
T
T
TT
M
M
CL
T
T
61
B
51
62
3
1
4
1
32
3
2
42
2
9
Buer tank
Hygieni
k
OS
HW
CW
T
ERRA CL-HGL
RE (B)
RE (A)
HC (A)HC (B)
FS
FS
Heating Side Connection
Heating Side Connection
7.3. Terra CL-HGL heat pump with IDM Hygienik and heating buffer
The Hygienik is only used to prepare tapwater and
during the priority charging procedure is charged with
a speed-controlled charging pump at the set HGL
temperature.
The heating is supplied via an additional heating
buffer . During the heating operation of the heat pump,
the top area of the Hygienik is recharged at the set
HGL temperature.
When using fl ow meters to measure the heat volume, sensor B39 must be fi tted in an immersion
sleeve in the heat pump return directly in the heat pump (see installation instructions fl ow meter).
T HE POWER FAMILY
(C) IDM ENERGIESYSTEME GMBH
Installation instructions Terra CL
33
1
2
3
4
5
6
7
8
9
1
0
1
1
2
13
1
2
3
4
5
6
7
T
T
M
B
A
P
T
M
T
T
M
CL
T
T
3
2
1
51
2
9
4
1
6
3
41
42
52
62
33
4
2
1
2
HW
CW
RE(A)
FS
OS
RE(B)
FS
Terra CL Hygienik
HC(A)HC(B)
Heating Side Connection
Heating Side Connection
When using a fl ow meter to measure the heat volume, the sensor B39 must be fi tted in an
immersion sleeve in the heat pump return directly in the heat pump (see installation instructions
fl ow meter).
7.4. Terra CL-BA heat pump with Hygienik and separation plate
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Installation instructions Terra CL
34
1
2
3
4
5
6
7
8
9
1
0
1
1
1
1
3
1
2
3
4
5
6
7
T
P
T
M
T
M
B
A
T
M
T
T
CL
B3
2
B6
1
B
51
2
1
6
3
9
31
3
2
B
52
B6
2
4
2
1
2
2
Hygieni
k
HW
C
W
FS
O
S
FS
Heating buer
RE(B)
RE(A)
HC(B)
HC(A)
Heating Side Connection
Heating Side Connection
7.5. Terra CL-BA heat pump with Hygienik and without separation plate and
heating buffer
For larger systems (over approx. 27kW), with either signifi cant hot water consumption or a very low hot water
consumption, it is advisable to separate the heating buffer and the Hygienik. The buffer in question is heated
via the priority valve as required. For hot water supply, a Hygienik without separation plate is used.
When using a fl ow meter to measure the heat volume, the sensor B39 must be fi tted in an immer-
sion sleeve in the heat pump return directly in the heat pump (see installation instructions fl ow
meter).
T HE POWER FAMILY
(C) IDM ENERGIESYSTEME GMBH
Installation instructions Terra CL
35
1
2
3
4
5
6
7
8
9
1
0
1
1
2
13
1
2
3
4
5
6
7
T
T
M
B
A
P
T
M
T
T
M
T
CL
P
3
2
61
5
1
21
9
41
6
3
3
1
4
1
3
2
4
2
52
6
2
4
2
2
HW
C
W
FS
O
S
FS
Also possible to include
in front of the priority valve
Terra CL
Hygienik
Oil/gas burner
RE(B) RE(A)
HC(B) HC(A)
Heating Side Connection
Heating Side Connection
7.6. Terra CL-BA oil/gas boiler, Hygienik with separation plate and heating buffer
Switching in of the oil boiler is carried out via the potential-free contact for the second heat
generator. (Terminal strip X2 terminals 3 and 4)
T HE POWER FAMILY
(C) IDM ENERGIESYSTEME GMBH
. Allgemeine Beschreibu
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Installation instructions Terra CL
36
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7
Heating Side Connection
Heating Side Connection
7.7. Terra CL-HGL-P with process reversal for cooling and Hygienik with separation plate
T
TT
T
M
M
M
B
A
P
T
rH%
T
CL
T
T
M
M
T
T
T
Hygieni
k
Terra CL
RG (B)
RG (A)
HK (A)HK (B)
VF
VF
Kühlventil
AF
WW
KW
SPF
Kühl-
ventil
Kühl-
ventil
Kältepuer
B
61
51
52
6
2
M3
1
41
M3
2
4
2
61
4
2
M2
2
M62
M
6
2
21
3
5
B
33
A room humidity sensor resp. dew point switch must be installed for dew point monitoring. (see
installation instruction room humidity sensor resp. dew point switch!)
T HE POWER FAMILY
(C) IDM ENERGIESYSTEME GMBH
Installation instructions Terra CL
37
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Heating Side Connection
Heating Side Connection
7.8. Terra CL-BA-P with process reversal for cooling and Hygienik with separation plate
T
T
TT
T
T
M
M
M
B
A
P
T
rH%
T
CL
T
M
M
M
T
Hygieni
k
Terra CL
RG (B)
RG (A)
HK (A)HK (B)
VF
VF
Kühlventil
AF
WW
KW
SPF
Schichttrennplatte
Kühl-
ventil
Kühl-
ventil
Kältepuer
61
B
51B52B62
41
4
2
1
9
4
1
4
2
2
2
B
32
2
62
21
B
33
0
M63
A room humidity sensor resp. dew point switch must be installed for dew point monitoring. (see
installation instruction room humidity sensor resp. dew point switch!)
T HE POWER FAMILY
(C) IDM ENERGIESYSTEME GMBH
.Allgemeine Beschreibu
ng
Installation instructions Terra CL
38
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C L
3
o
Primary current
electric immersion heater (3x400V/50HZ)
Power supply
electric immersion heater 5x1,5mm²
Sensors 16x0,75mm²
Control current 20x1,0mm²
Power supply compressor
Power supply evaporator fan
Primary current heat pump (3x400V/50HZ)
Control current (1x230V/50HZ)
Sensor and control lines on-site
Navigator control cabinet
Heat pump CL
protection switch
Electrical connection
8. Electrical connection
8.1. Power supply
Electrical connection must be registered with the
relevant power supply company.
The necessary series-connected fuse for the primary
circuit can be found in the technical data. It is essential
that a fuse design is used (“C” or "K" characteristic).
The relevant cable cross section must be determined
by the electrician.
All systems are equipped with a start-up current limiter.
The heat pump is operated via the Navigator Control.
Depending on system design, the relevant sensors
are required; see the connection diagrams on the following pages for more information.
For reliable operation of the heat pump, the voltage in
the mains network must be within specifi c tolerance
limits, between 360 and 430 V (check with the relevant power supply company if necessary).
The connection cables between the control cabinet and the heat pump are not included in the
scope of delivery. The layout of the respective line cross section for the compressor must be
carried out by an electrician according to the technical data (see page 6). The power consumption
of the compressor can also be taken from the wiring diagram enclosed.
Connection box with terminal blocks in
heat pump CL
T HE POWER FAMILY
(C) IDM ENERGIESYSTEME GMBH
Installation instructions Terra CL
39
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T 6,3 A
T 6,3 A
T 6,3 A
T 3,15 A
T 1,6 A
T 800 mA
T 160 mA
Display
X1
B
X6
X11
X5
K1
xternal expansion
mo
dul/
Cascade use
r
nterna
l
e
xpansion modu
le
Control unit
SD- Card
LAN
EIB/KNX
Step motor module
G
SM- modu
le
Central processing unit
H8
F6
F1
F2
H4
F8
F4
F5
H7
F10
H6
F3
H5
H1
H3
H2
-
+
SD-Card
Electrical connection
Electrical connection
8.2. Connection Diagram Electrical
Components
The central unit of the control system is located in the
control cabinet. All connections on the central unit are
designed as pluggable.
Additional modules such as the internal expansion
module for another two heating circuits, as well as the
external expansion module for three heating circuits
and the GSM module, are connected in accordance
with the diagram below.
T HE POWER FAMILY
(C) IDM ENERGIESYSTEME GMBH
. Allgemeine Beschreibu
ng
Installation instructions Terra CL
40
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CL
L1
L2
L3
T1 T2 T3
L1
L2
L3
T1 T2 T3
37
38
2112
X1
X1
X2
X2
11
L
PENPE
1
N
Q1
Q2
Primary current
heat pump 3x400V / 50Hz
Primary current
Electric heating element
3x400V / 50Hz
Control current 1x230V / 50Hz
Electrical connection
Electrical connection
8.3. Power Supply Connection
The connection of the primary circuit for the heat
pump and for the electric immersion heater, as well as
for the control power connection, is executed directly
on the control cabinet of the CL heat pump.
Control power connection: 1x230 V / 50 Hz
Primary current heat pump: 3x400 V / 50Hz
Primary current electric
immersion heater: 3x400 V / 50Hz
The supply lines must have the relevant thickness.
For more information, see technical data regarding
max. power consumption.
The wiring must be carried out in accordance with the
electric wiring diagram enclosed with the heat pump.
8.4. Connection lines control cabinet heat pump
Connection line electric heating:
The supply line for the electric immersion heater can
be carried out with 5x1.5 mm² for heat pump designs
CL 08-15. For larger heat pumps, the connection cable must be designed in accordance with the output
data of the electric immersion heater used on-site.
Sensors - connection line:
The connection line for the sensors is designed as
16x0.75 mm² cable.
Control current connection line:
The connection line for the control current is designed
as 20x1 mm² cable.
Evaporator fan cable:
The connection cable for the evaporator fan is selected in accordance with the fan design.
CL 08-10 .... 3x1.5 mm²
CL 12-33 .... 4x1.5 mm²
Compressor cable:
The compressor cable is designed as 4-pole cable.
The line cross section must be designed in accordance with the power consumption of the compressor.
The electrical connection of the connection lines between the heat pump and
switch cabinet must be taken from the
enclosed wiring diagram.
The power consumption of the compressors can also be taken from the
enclosed wiring diagram.
T HE POWER FAMILY
(C) IDM ENERGIESYSTEME GMBH
Installation instructions Terra CL
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Electrical connection
Electrical connection
8.5. EMC
Please take note of the following with regard to this issue: Electro-Magnetic Compatibility (EMC) demands
additional work and expertise from all manufacturers
and operators of modern electrical technology and
electronics year on year.
As the number of electronic devices in use increases
continually, the number of potential sources of interference also increases. A combination of cables from
the power supply company , transmission stations and
other communications devices generate an invisible
“electrosmog".
This interference affects all systems, both biological
(us as living beings) as well as technical electrical
systems. They generate undesirable fault currents
which can have different effects.
The effects on biological systems can only be guessed
at currently , but the ef fects on technical electrical systems are measurable, and in the worst case, visible
as well.
The faults can have different effects:
- Short-term measurement faults
- Permanent measurement faults
- Short-term interruption in data connections
- Permanent interruption in data connections
- Data losses
- Damage to equipment
Potential sources of interference are essentially all
technical electrical systems, e.g. contactor coils,
electric motors, transmitters, mains and high-voltage
lines, etc., and the equipment can be affected via different coupling routes (galvanic, inductive, capacitive,
via radiation).
As far as we are concerned, everything has been
done to protect the Navigator Control from interference (Hardware design, EMI-proof electrical panel,
network fi lter, etc.). In particular , it is the responsibility
of the electrician to prevent possible coupling paths
when setting up the electrical installation.
T HE POWER FAMILY
(C) IDM ENERGIESYSTEME GMBH
. Allgemeine Beschreibu
ng
Installation instructions Terra CL
42
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1
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93
92
94
brown
brown
white
DZ (B3 )
white
Volume ow
HGL ow
Volume ow
heating ow
GND
12V DC
95
DZ (B2)
In each heat pump a standard sensor
set is included in the delivery, which is
supplied in the control cabinet of the heat
pump.
Electrical connection
Electrical connection
8.6. Layout of the Inputs on the Central Unit
The sensor inputs on the central unit are described in
the electrical wiring.
8.7. Sensor design
Sensor lines have a cable cross section of 0.75 mm²
as standard.
The sensor positions are shown in the relevant installation diagram. Reliable operation can only be
ensured by correct positioning and good heat transfer
(heat conducting paste).
If necessary, the sensors can be extended using a
suitable cable. It must be ensured that the connection
is clean and corrosion-free.
8.7.1. Sensor equipment
The following sensors are contained in the scope
of delivery or are already installed and, in any case,
required:
- Air heat exchanger sensor (B72)
- Heat pump fl ow sensor (B33)
- HGL fl ow sensor (B35) (only for the HGL design)
- Buffer tank sensor (B39)
- Air intake sensor (B37)
- Flow sensor heating circuit A (B51)
- Sensor Hygienik (B41)
- Sensor tap water (B42)
- Outdoor sensor (B32)
(All other sensors are optional depending on the system equipment).
8.7.2. Flow temperature sensor
The fl ow temperature sensors for the heating circuits
used are required in every case. They must be connected on the corresponding fl ow lines and in accord-
ance with the connection diagram.
The fl ow sensors for the heating circuits C-G are
connected on the respective heating circuit expansion module. (see the installation instructions for the
expansion module for more information)
8.8. Impulse Inputs
When using fl ow meters in the heat pump fl ow to
measure the heat volume, these are connected as
follows:
For installation and confi guration of the Navigator
control, see fl ow meter installation instruction.
8.9. Layout Digital Inputs
The sensor inputs on the central unit are described in
the electrical wiring.
Sensor lines should be run separately
from mains cables (see EMC issue).
T HE POWER FAMILY
(C) IDM ENERGIESYSTEME GMBH
Installation instructions Terra CL
43
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Electrical connection
Electrical connection
8.10. Layout Outputs
Max. output load:
- Triacs (connections 10 -12): max. 3.15 A
(max. 2A per Triac)
- Relays (terminals 20 -37): max. 6.3 A
8.10.1. Analogue Outputs (80-87)
The sensor inputs on the central unit are described in
the electrical wiring.
8.10.2. Triac outputs (10-12)
The sensor inputs on the central unit are described in
the electrical wiring.
8.10.3. Digital outputs 230V AC (20 -38):
Bei HGL-Wärmepumpen wird die Klemme 36-37 zur
Ansteuerung der Zirkulationspumpe verwendet!
Bei Basic-Wärmepumpen erfolgt über die Klemme
36-37 die Umschaltung zwischen Heizung und Vorrangladung!
Die Belegung der digitalen Eingänge auf der Zentraleinheit ist aus dem für die Anlage zugehörigen
Elektroschaltplan zu entnehmen.
8.10.4. Connection of the mixers
The ESBE mixers are connected as three-pole
according to the wiring diagram enclosed.
Mixer open = brown
Mixer closed=black
8.11. System Earthing
When the protective conductor is connected correctly ,
the electrical panel and the heat pump casing are
earthed.
After maintenance work, ensure that the equipotential
bonding is properly re-established.
8.12. Maximum Restriction for Underfloor
Heating
With underfl oor heating circuits, an additional clip-on
thermostat must be fi tted and the relevant heating
circuit pump supply switched via it in series.
8.13. Composite signal zone valves
The composite signal zone valve setting generates
a request when one of the zone valves is open. The
difference to a roomstat function is that, independently of heating or cooling operations, a request is
generated when a zone valve contact is closed.
M
ɾ
M
ɾ
M
ɾ
M
ɾ
70 71
Room
thermostat
Zone valve wit h
end switch
Navigator
main board
Room 1 Room 2 Room 3
Zone 1 Zone 2 Zone 3
Room engine heating circuit A
If you are using zone valves, you can
generate composite signal from all zone
valves to be able to switch the heating
and cooling circuit on and off with the
thermostat function.
T HE POWER FAMILY
(C) IDM ENERGIESYSTEME GMBH
. Allgemeine Beschreibu
ng
Installation instructions Terra CL
44
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Commissioning
9. Commissioning
9.1. Commissioning information
Before start-up of the TERRA heat pump, the heating
side must be checked for tightness, rinsed thoroughly ,
fi lled and bled carefully.
Prerequisites for starting up
- The heating and any storage tank must be fi lled
and bled.
- During the start-up the entire buffer tank must be
heated to min. 15°C. This, for example, can be done
using the electric immersion heater.
- The electrical installation must be complete and
fuse-protected in line with legal requirements.
- The heat pump may only be switched on if it is fi lled
on the cold side and on the heating side, and if the
electrical connections have been checked.
- During start-up, the maximum temperature limit
must also be set. The switch-off point of 55°C should
be checked and the set shutdown temperature
changed as necessary.
- The heat pump is equipped with a start-up delay of
10 minutes so that the compressor only starts running after this period.
- If the heat pump is to be drained on the heating
side for frost protection, the connection hose on the
heat pump return (plate heat exchanger) must be
unfastened.
9.1.1. First switch-on of the heat pump
After actuation of the main switch on the heat pump,
the start-up Wizard is started after selecting the language.
9.2. Operation
The Terra heat pump is switched on and off automatically via a fully-automated Navigator Control system.
For operation and start-up, please refer to the separate operation and start-up instructions.
Annual inspection and maintenance of the system by
customer services is recommended, in particular with
regard to the preserving warranty claims.
9.3. Malfunctions
The TERRA heat pump is fi tted with various safety
devices to ensure that no damage can be caused to
the equipment in the event of faults.
If, contrary to expectations, the heat pump does not
work on any occasion, check the error message on
the display of the Navigator Control.
For more information, please see the Navigator Control operating instructions.
If an error occurs several times in succession, please contact your IDM Customer
Service.
Customer Service
telephone:___________________________
According to EU- standard 842/2006, an
annual check for heat pumps with more
than 3kg refrigerant is prescribed.
T HE POWER FAMILY
(C) IDM ENERGIESYSTEME GMBH
Installation instructions Terra CL
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Commissioning
Commissioning
T HE POWER FAMILY
(C) IDM ENERGIESYSTEME GMBH
. Allgemeine Beschreibu
ng
Installation instructions Terra CL
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Commissioning
Commissioning
T HE POWER FAMILY
(C) IDM ENERGIESYSTEME GMBH
Installation instructions Terra CL
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Seite 1/1 Revision 1.0
IDM-Energiesysteme GmbH
Seblas 16-18, 9971 Matrei in Osttirol
Phone: 0043 4875/6172, Fax: 0043 4875/6172-85
E-Mail: team@idm-energie.at
, Homepage: www.idm-energie.at
UID-Nr.: ATU 433 604 02
Declaration of Conformity
IDM-Energiesysteme GmbH, Seblas 16-18, A-9971 Matrei East Tyrol,
confirms that the device(s) referred to below in the version put into circulation by us satisfies/satisfy the
requirements of the harmonized EC Directives, EC Safety Standards and product-specific EC Standards.
A change to the device(s) not authorized by us will render this declaration invalid.
EC Directives
EC Pressure Equipment Directive
(97/23/EG)
EC Machine Directive
(2006/42/EG)
EC Low Voltage Directive
(2006/95/EG)
EC EMC Directive
(2004/108/EG)
Amongst others, the following harmonized
standards have been considered analogously
EN 378
EN 60529
EN ISO 12100-1/2
EN ISO 13857
EN 349
EN 60335-1/2-40
EN 55014-1/2
EN 60204-1
EN 61000-3-2/
Concerning following products
Direct-evaporation heat-pumps
TERRA …DE-HGL (with HGL-technology)
TERRA …DE (Basic)
Brine- respectively water/water heat-pumps
TERRA …S/…W-HGL (with HGL-technology)
TERRA MAX …S/…W HGL (with HGL-technology)
TERRA …S/…W (Basic)
TERRA MAX …S/…W (Basic)
TERRA …S/…W-HGL.P (with HGL-technology and process- inverter)
TERRA MAX …S/…W HGL-P (with HGL-technology and process- inverter)
TERRA MAX …S/…W-P (Basic and process- inverter)
Air/water heat-pumps
TERRA …CL (Basic)
TERRA …CL Twin (Basic, two-stage)
TERRA …CL-HGL (with HGL-technology)
TERRA …CL-HGL Twin (with HGL-technology, two-stage)
TERRA …CL-P (Basic with process- inverter)
TERRA …CL-P Twin (Basic with process-inverse, two-stage)
TERRA …CL-HGL-P (with HGL-technology and process-inverter)
TERRA …CL-HGL-P Twin (with HGL-technology and process- inverter,
two-stage)
Air/water heat-pumps as split construction
TERRA …SL HGL (with HGL-technology)
Matrei pp., March 01, 2010 Ing. Andreas Bachler, Technical Director
Place, date (Stamp of IDM) Legally binding signature
M
Commissioning
Commissioning
THE POWER FAMILY
Your IDM partner
Always there for you.
IDM HEADQUARTERS IN EASTERN TYROL, AUSTRIA
IDM ENERGIESYSTEME GMBH
Seblas 16 – 18 A-9971 Matrei in Osttirol, Austria
Telephone +43(0)4875.6172 - 0 Fax +43(0)4875.6172 - 85
E-mail team@idm-energie.at
www.idm-energie.com
IDM - service technology
COMMISSIONING – SERVICING – ON-SITE SERVICE
Our service technicians are happy to help on-site. Contact
details for your regional customer service centre can be
found on our website
www.idm-energie.com.
IDM Academy
PRACTICAL KNOWLEDGE FOR SALES AND TECHNOLOGY
The comprehensive range of seminars for specialists at the
IDM POWER FAMILY is available to you at all times on our
website
www.idm-energie.com. We look forward to
receiving your registration.
ONE STEP AHEAD
*
THE POWER FAMILY
© IDM ENERGIESYSTEM E GMBH Matrei i. Osttirol 23.04.10 · Errors and omissions excepted
THE POWER FAMILY
Your IDM partner
IDM HEADQUARTERS IN EASTERN TYROL, AUSTRIA
IDM ENERGIESYSTEME GMBH
Seblas 16 – 18 A-9971 Matrei in Osttirol, Austria
Telephone +43(0)4875.6172 - 0 Fax +43(0)4875.6172 - 85
E-mail team@idm-energie.at
www.idm-energie.com
IDM Academy
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