Danfoss Designing hydronic floor heating Application guide
Application Guide
Designing hydronic floor heating
Get the optimum results
7applications
to help you design and install Danfoss floor heating systems.
heating.danfoss.com
THE RIGHT PRODUCTS FOR
YOUR APPLICATION
Choosing the right products not only depends on the application. Once you have identified the product groups relevant for your application, simply go to the Product Guide brochure to narrow down the choice to specific product codes.
This application guide:
•Recommends specific product groups for different applications
•Recommends which pipe layout pattern to use in different situations
•Shows the benefits and impact of using cement and liquid screed
Application guides for manifolds and controls
05 |
06 |
07 |
08 |
09|
10|
11|
Floor heating system with individual room control
Low temperature
Floor heating system with individual room control
High temperature
Floor heating system with individual room control
High and low temperature
Mixed system with individual room control
High temperature
Floor heating system with reference room control
Low temperature
Floor heating system with individual room control
Low temperature and cooling in 2-pipe system
Floor heating system with hybrid Air/Water heat pump with integrated condensing boiler (example: Itho Cool Cube). Reference room control
Low temperature
12 | |
Floor heating system with automatic changeover for cooling based on |
supply temperature. Individual room control |
Low temperature
13|
14|
15|
Mixed system
With self-acting room control
Floor heating system with individual room control
Low temperature and cooling in 3/4-pipe system
Floor heating 3-pipe system with cooling controlled via motorized valve. Reference room control
High and low temperature
16 | |
Floor heating 4-pipe system with cooling controlled via 6-port valve, auto- |
matic changeover. Reference room control |
High and low temperature
How to design effective pipe layout
20|
21|
22|
23|
Meander pattern vs. snail pattern
Benefits
Small windows vs. large windows
Pipe distance
Bathroom and kitchen
Laying patterns and distance
Large rooms
Laying patterns and distance
Choosing the right floor screed
25 | |
Liquid screed vs. cement screed |
|
Benefits and impact |
heating.danfoss.com | 3
APPLICATION
SYMBOLS
Balancing valves
Manifold with control valves for actuators
Manifold without control valves for actuators
Mixing shunt
HP
Hybrid Air/Water heat pump with integrated condensing boiler
6-port valve
Room thermostat wired
3-way valve
2-way valve
RA-HC with actuator TWA
FHV self-acting thermostatic valve
Master controller
ECL weather compensator
ESM-11 pipe sensor for supply pipe for automatic change over between cooling and heating
Reference thermostat
Dew point sensor
Room thermostat generic
4 | Hydronic floor heating application guide
Floor heating system with individual room control
Low temperature
Where to use: |
1 and 2 |
Multi family |
Light commercial |
family houses |
houses |
buildings |
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ü |
ü |
ü |
Advantages: • Individual room comfort and energy savings achieved by room thermostats
•Energy savings on heat production and pump energy with connection box relays
•Ensure correct flow to heating system on apartment level with balancing valves and manifold flow setting
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Components suitable for application: |
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Controls |
Danfoss Link™ |
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Danfoss Icon™ |
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Danfoss Icon™ |
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FH-Wx |
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BacisPlus2 |
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FHV |
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24V / Wireless |
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230V |
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(ü)* |
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(ü)* |
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Manifolds |
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FHF-F |
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FHF |
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FH-ME |
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FHF-B |
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SSM-F |
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SSM |
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Balancing valve |
AB-PM |
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ASV-PV + ASV-BD |
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ü ü
Complementary product suitable for application:
•Mixing shunts are not needed in low supply temperature applications
*Danfoss Icon™ 230 V and BasicPlus² can be combined with connection box to achieve energy savings on heat production and pump energy with relays
heating.danfoss.com | 5
Floor heating system with individual room control
High temperature
Where to use: |
1 and 2 |
Multi family |
Light commercial |
family houses |
houses |
buildings |
|
|
ü |
ü |
ü |
Advantages: |
• Individual room comfort and energy savings achieved by room thermostats |
||
•Energy savings on heat production and pump energy with connection box relays
•Ensure correct flow to heating system on apartment level with balancing valves and manifold flow setting
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Components suitable for application: |
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Controls |
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Danfoss Link™ |
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Danfoss Icon™ |
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Danfoss Icon™ |
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FH-Wx |
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BacisPlus2 |
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FHV |
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24V / Wireless |
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230V |
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ü |
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ü |
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(ü)* |
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(ü)* |
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Manifolds |
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FHF-F |
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FHF |
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FH-ME |
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FHF-B |
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SSM-F |
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SSM |
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Balancing valve |
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AB-PM |
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ASV-PV + ASV-BD |
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ü ü
Complementary product suitable for application:
•Mixing shunts to be used in applications with high supply temperatures
•Use ECL to allow for weather compensated supply temperatures.
*Danfoss Icon™ 230 V and BasicPlus² can be combined with connection box to achieve energy savings on heat production and pump energy with relays
6 | Hydronic floor heating application guide
Floor heating system with individual room control
High and low temperature
Where to use: |
1 and 2 |
Multi family |
Light commercial |
family houses |
houses |
buildings |
|
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ü |
ü |
ü |
Advantages: • Fixed or based on demand supply temperature control
•Low (25 °C to 65 °C) and High (30 °C to 70 °C) temperature modes
•Supply temperature controlling is based on super fast PWM pulsing (patented)
•Auto balancing function by Danfoss Icon™
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Components suitable for application: |
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||||||||||||||
Controls |
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Danfoss Link™ |
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Danfoss Icon™ |
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Danfoss Icon™ |
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FH-Wx |
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BacisPlus2 |
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FHV |
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24V / Wireless |
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230V |
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Manifolds |
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FHF-F |
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FHF |
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FH-ME |
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FHF-B |
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SSM-F |
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SSM |
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Balancing valve |
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AB-PM |
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ASV-PV + ASV-BD |
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ü ü
Complementary product suitable for application:
• Danfoss Icon™ Expansion module and surface temperature sensor are required for this application
heating.danfoss.com | 7
Mixed system with individual room control
High temperature
Where to use: |
1 and 2 |
Multi family |
Light commercial |
family houses |
houses |
buildings |
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ü |
ü |
ü |
Advantages: |
• Individual room comfort and energy savings achieved by room thermostats |
||
•Energy savings on heat production and pump energy with connection box relays
•Ensure correct flow to heating system on apartment level with balancing valves and manifold flow setting
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Components suitable for application: |
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Controls |
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Danfoss Link™ |
Danfoss Icon™ |
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Danfoss Icon™ |
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FH-Wx |
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BacisPlus2 |
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FHV |
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24V / Wireless |
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230V |
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(ü)* |
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(ü)* |
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Manifolds |
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FHF-F |
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FHF |
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FH-ME |
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FHF-B |
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SSM-F |
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SSM |
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Balancing valve |
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AB-PM |
ASV-PV + ASV-BD |
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ü ü
Complementary product suitable for application:
•Mixing shunts to be used in mixed systems where there is a need to differentiate the supply temperature in part of the system e.g. radiator system with high supply temperature and floor heating with low temperature.
•Use ECL to allow for weather compensated supply temperatures.
*Danfoss Icon™ 230 V and BasicPlus² can be combined with connection box to achieve energy savings on heat production and pump energy with relays
8 | Hydronic floor heating application guide
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