Danfoss FH-WC Connection Box - 24 VAC Data sheet
Data Sheet
Hard-Wired Floor Heating Controls
FH-WC Connection Box - 24 VAC output
Application
FH-WC is a connection box for use in hydronic floor heating systems supplied from a manifold.
FH-WC is a wiring center for connecting up to 10 thermal actuators to the room thermostats. It is provided with two potential-free relays for controlling a circulation pump and a boiler. The relays are activated when one or more thermostats require heat.
FH-WC is connected to 230 VAC/50 Hz.
Mounting is made easy due to the symbols printed on the screw terminals.
Ordering |
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Product |
Type |
Supply |
Output |
Actuator, |
Code no. |
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voltage |
voltage |
type/no. |
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Connection box with |
FH-WC |
230 VAC |
24 VAC |
NC/10 |
088H0017 |
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power cord and plug |
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Technical specifications |
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Power supply |
230 VAC ± 10% |
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Number of outputs |
10 |
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Output voltage |
24 VAC |
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Max load per output |
3 W (only 1 actuator per output) |
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Pump and boiler relay |
Max. load 230 VAC (2A) |
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Ambient temperatur |
0 - 50° C |
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Transport temperature |
-20 - 60° C |
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IP class |
22 |
ErP class |
ErP |
(1%) |
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1 |
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Mains cable |
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2 m |
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Weight |
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1.5 kg |
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Internal fuse |
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F 0.2 A |
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VDUHT502 |
© Danfoss | FHH | 2015.09 | 1 |
Connection Diagram
System Layout
Dimensions
TWA |
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FH-WF |
TA |
TA |
TA |
~ 24V |
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L |
L |
L |
L |
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N |
N |
N |
N |
LED |
N |
N |
N |
Optional |
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Max./min. |
L |
L |
L |
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limitation |
TA |
TA |
TA |
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FH-WT / FH-WP / FH-WS |
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L |
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L |
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230 V ~ |
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230 V ~ |
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N |
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N |
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Connection of FH-WC to FH-WT/-WP/-WS 24 V room thermostats (see appropriate data sheet for further information).
FH-WC
FHF
FH-Wx 
TWA
FH-Wx 
FH-Wx 
313.5 |
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Danfoss A/S
Floor Heating Hydronics • Ulvehavevej 61 • DK-7100 Vejle • Denmark • Phone: +45 7488 8500 • Fax: +45 7488 8501 heating@danfoss.com • www.floorheating.danfoss.com
Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed.
All trademarks in this material are property of the respective companies. Danfoss and the Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.
2 | © Danfoss | Danfoss | FHH | 2015.09 |
VDUHT502 |
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