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Secure (Horstmann) H3747 Full System Kit

£181.50

The new H3747 is a receiver / PTD unit (for managing up to  channels) which can control combi or system boilers. Out of the box it is wireless enabled and can be operated by an app.

Optional Extra:
Add the WiFi Extender for H3747, C1727 and E7+

Wifi Extender for H3747, C1727 and E7+

Out of stock

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Description

Applications

  • Easy replacement of timers/programmers
  • Combi boiler – central heating, 4-zone system
  • Central heating and hot water control
  • Domestic gas or oil-fired boiler-based heating systems
  • 4-channel control with local override via button

 

Features

  • 4 channels, 3A rated, volts free operation
  • Optimum start and stop
  • 9-pin backplate
  • Local override
  • Load compensation for efficiency and comfort
  • Service Interval reminder
  • Installer and user app (Android and iOS)
  • Local control by mobile app using wireless technology
  • Remote control capability by Wi-Fi adaptor

 

Benefits

  • Retrofit on many existing controls with convenient installation using 9-pin configurations on backplate
  • Click-off / Click-on with simple wiring changes for easy and quicker installation
  • 12 year battery life warranty on programmable thermostat display (PTD)
  • No Wi-Fi necessary for local remote control of heating via app
  • Boiler Plus compliant (load compensation and optimum start / stop)

Electrical
Number of channels 4
Relay input voltage rating (CH1 and CH2) 12V to 30V DC, or 230/240V (50Hz)
Relay input/output current rating 3A resistive / 1A reactive (Max)
Supply (receiver) 230V / 240V AC (50Hz)
Battery specification (PTD) Non replaceable 2x A lithium ion, 3.6 V, 3600 mAh
Battery life (PTD) ≈12 years
Insulation category CAT II
Software class Class A
Control type Micro-interruption

Compliance
Design standards:
Product Standard: EN 60730-1, EN 60730-2-9
RED Radio: ETSI EN 300 328
RED EMC: ETSI EN 301 489-1, ETSI EN 301 489-17
Safety: EN 62311 :2008, EN62368-1 :2014

Mechanical
Dimensions (receiver) 107 x 167 x 36mm
Dimensions (PTD) 100 x 100 x 29mm
Weight (receiver) 161g (approx.)
Case material Thermoplastic flame retardant
Mounting 9-pin standard wall plate

Environmental
Impulse voltage rating Cat II 2500V
Enclosure protection IP30
Pollution degree Degree 2
Operating temperature range 0˚C to +40˚C
Storage temperature -20°C to +70°C
Environmental humidity range 0 to 90%

Radio
Compliance Bluetooth BLE compliant
Operating frequency 2.4 GHZ
RF range ~60m, line of sight

 
Email us at sales@bhspares.com
 
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