Horstmann 425 Series データシート
425 DIADEM
This twin circuit, hot water and central heating
programmer, with indicator lights, has 16 programmes
available for fully pumped systems, including
independent programming of heating and hot water
and 10 programmes for gravity hot water / pumped
heating systems.
programmer, with indicator lights, has 16 programmes
available for fully pumped systems, including
independent programming of heating and hot water
and 10 programmes for gravity hot water / pumped
heating systems.
The Diadem is ideal for gravity systems and fully
pumped systems with zone valves.
pumped systems with zone valves.
Specification
425 TIARA & DIADEM
CONTACT RATING
CONTACT RATING
Double circuit 6 (2.5)
Amps 230V AC
Amps 230V AC
CONTACT TYPE
Micro-disconnection
changeover Voltage
changeover Voltage
Free
MOTOR
Synchronous 230V
50Hz
Double Insulated
POWER CONSUMPTION
2.5W
DIRT PROTECTION
Normal Situations
MOISTURE PROTECTION
Ordinary
ENCLOSURE PROTECTION
Ip20
MAXIMUM OPERATING
+55°C
TEMPERATURE
DIAL SETTING
DIAL SETTING
2 ON, 2 OFF Tappets
Min. ON/OFF period
Min. ON/OFF period
45 mins
DIMENSIONS
152mm x 107mm x
39mm
MOUNTING
9 Pin wall fixing plate
425 CORONET
CONTACT RATING
CONTACT RATING
Single circuit 13 (6) A
230V AC
CONTACT TYPE
Micro-disconnection
changeover Voltage
Free
Free
MOTOR
Synchronous 230V
50Hz
Double Insulated
POWER CONSUMPTION
2.5W
DIRT PROTECTION
Normal Situations
MOISTURE PROTECTION
Ordinary
ENCLOSURE PROTECTION
Ip20
MAXIMUM OPERATING
+55°C
TEMPERATURE
DIAL SETTING
DIAL SETTING
2 ON, 2 OFF Tappets
Min. ON/OFF period
Min. ON/OFF period
45 mins
DIMENSIONS
152mm x 107mm x
39mm
MOUNTING
9 Pin wall fixing plate
425 TIARA
The Tiara has all the capability and features of the 425
Diadem, but without the indicator lights.
Diadem, but without the indicator lights.
The Tiara is ideally suited for both gravity systems and
fully pumped systems with either mid-position or zone
valves.
fully pumped systems with either mid-position or zone
valves.
425 CORONET
A single circuit timeswitch for straight forward,
accurate time control.
accurate time control.
The 425 Coronet is particularly suitable for combi boiler
systems, warm air systems and extra zone control.
systems, warm air systems and extra zone control.
South Bristol Park, Roman Farm Road, Bristol BS4 1UP
t: +44 117 978 8700 | f: +44 117 9788701 | e: sales@horstmann.co.uk | www.horstmann.co.uk
t: +44 117 978 8700 | f: +44 117 9788701 | e: sales@horstmann.co.uk | www.horstmann.co.uk
Horstmann is a trading name of Secure Controls (UK) Ltd., a wholly owned subsidiary of Secure Holdings PTE Ltd.
Registered office: Secure House, Moorside Road, Winnall Trading Estate, Winchester, Hampshire, SO23 7RX. Registered in England No. 457553
© January 2013: Secure Controls (UK) Ltd: All rights reserved. The company reserves the right to alter product specifications without notice.
Registered office: Secure House, Moorside Road, Winnall Trading Estate, Winchester, Hampshire, SO23 7RX. Registered in England No. 457553
© January 2013: Secure Controls (UK) Ltd: All rights reserved. The company reserves the right to alter product specifications without notice.
Part No. P81252 Issue 6
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425 Diadem
425 Tiara
425 Coronet
Tw
in C
ircuit
P
erm
anent
ON/OFF
ON Al
l Day
ON / OFF
tw
ic
e a day
C
om
bi Boilers
P
u
mped
S
ystems
Gr
av
ity
HW
Independent
C
H / HW
Immers
ion He
aters
Indic
ator Lights
Single C
ircuit
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