SECURE H3747 Smart Programmable Thermostat Installation Guide

SECURE H3747 Smart Programmable Thermostat

Product Information

Specifications

• Product Name: Smart Programmable Thermostat H3747
• Manufacturer: Secure Meters Ltd.
• Compatible Systems: Combination, System, and Regular boilers
• Wireless Communication: Yes
• WiFi Module: Available (sold separately)
• Installation Requirements: Electrical connections at mains voltage
• Warranty: 7 years

Product Usage Instructions

Installation

1. Ensure that the electrical connections are made by a suitably competent person in accordance with the Building Regulations and BS7671:2008.
2. Open the package and check the contents.
3. If required, purchase the optional accessories separately:Extra PTD, Temperature Sensor THS, and WiFi Extender HC2.4.
4. Install the Receiver H3747 in a suitable location, following the provided installation guide.
5. If necessary, install additional Programmable thermostat displays (PTD) and Temperature Sensors (THS) for extra zones.
6. If desired, install the WiFi Extender HC2.4 for remote access to the system.

Commissioning

1. Ensure that the system is properly installed and all devices are connected.
2. Follow the instructions in the user manual to establish communication between the Receiver H3747, Programmable ThermostatDisplay (PTD), and mobile app.
3. Perform a test to verify the system’s functionality.

FAQ

What is covered by the product?
The product covers the installation and usage of the Receiver H3747, Programmable Thermostat Display (PTD), and the user mobile app.

What heating control systems is the H3747 compatible with?
The H3747 Smart Programmer is compatible with most heating control systems, including combination boilers, system boilers using spring return valves, and heat pumps requiring On/O control.
It can also replace Centaurplus and Serviceplus time switches and programmers with minimal wiring changes.

What tools do I need for installation?

• Flat head screwdriver
• Philips head screwdriver
• Drill machine
• 2.5 mm drill bit
• Wire stripper
• Pliers
• Hammer

Commercial and confidential
Copyright © 2020-21, SIHPL. All rights reserved. E&OE.
Smart Programmable Thermostat H3747 is registered trade name of Secure Meters Ltd.
Other product names are trademarks or registered trade names of their respective owners.
As part of Secure Meter’s continuous endeavour to improve, product design and specifications mentioned are liable to change.
System functionality information, illustrations and product aesthetics published in the document may vary from those of your product.

Installation by an expert recommended
The Secure Controls products requires electrical connections at mains voltage and should be installed by a suitably competent person, in accordance with Part P of the Building Regulations, BS 7671:2008, (e.g. an electrical contractor registered with an authorised competent person self-certification scheme).

In the box

Know your products

Receiver H3747

• Mains-powered device, compatible with Combination, System and Regular boilers (Heat+hotwater+zones)
• Communicates wirelessly with PTD, temperature sensor and mobile app
• Variant with WiFi module available for remote access
• Simple installation for retrofits with minimum wiring changes required
• Supports boiler plus compliance, load compensation and service interval functionality
• 7 year no quibble warranty

Programmable thermostat display (PTD)

• Independently controls heating and hot water
• No need for WiFi when programming schedule
• Home and Away one-click function
• Guaranteed 12 year battery life
• Easy and intuitive 7 day programming

Temperature sensor THS

• Cost-effective add on device to manage additional heating zones
• Wireless and simple to install

WiFi Extender HC2.4

• Plug and play wireless module to control your system remotely
• Works well with 2.4 GHz wireless router

What is covered?

How to

Compatibility

The H3747 Smart Programmer is compatible with most heating control systems and is ideal for compatible system boilers using spring return valves. It can also work with combination boilers as well as heat pumps requiring On/O? control.
Shipped with a standard 9-pin back plate, it can easily replace Centaurplus and Serviceplus time switches and programmers requiring minimum of wiring changes.

Failure to observe precautions may result in fatal injury and equipment damage

Hazard of electrical shock or explosion

Double insulation protection

Prerequisites

For installation

Tools/things you may need:

For commissioning

To commission your system, you need:

Typical system deployments

2 Zone heating and hot water

All graphics are for illustration purpose only

3 Zone heating and hot water

Product dimensions

Programmable Thermostat Display PTD

Download the installer mobile app

If you are replacing an existing programmer or time switch or even performing a fresh installation, we recommend that you install the Secure Installer Guide mobile app.

1. Download the Secure installer guide mobile app
2. Open the app and select Replace a programmer or time switch
3. Choose your existing product and follow the instructions

Install the receiver

Drill the holes and secure the mounting plate

In case of surface wiring (Optional)
Break the surface wiring knockout provided on the receiver before proceeding further.

Label your wires

If replacing, take a picture of your old thermostat connections, label and re- wire as shown in Secure Controls installer app.

Make connections

4 zone heating system
This diagram is schematic and should be used for guidance only.

Note : The receiver has voltage-free contacts. A link between terminal L, 2 and 4 is required for mains voltage applications.

Note: Connections shown for mains operated 2x heating zone + 1x water heating system.
These may vary for different boiler types.

2 zone heating and hot water system

3 zone heating and hot water system

Plug in the WiFi extender HC2.4 (optional)

Note: WiFi adapter once installed cannot be removed

Fit the receiver

Verify installation

LED states

Default state| Solid white
During setup| Blinking white (LED 1)
Switch between channels| Blinking red
Confirm channel selection| Solid red

Note:

1. Use the top button (Select channel) to switch between different channels.
2. Use the bottom button (Apply Boost) to confirm channel selection.
3. Long press any button to initiate setup. It suggests that the receiver is ready to be paired with mobile app or another PTD.

Install the PTD

Ideal mounting location
The PTD should be placed approximately 1.5 metres above floor level, in ‘free space’, away from draughts and sources of heat or electrical interference.

Mark out the mounting position

The product is shipped in deep sleep mode to save battery. To wake up the device, you must press the button at the rear before setup.

Fit the PTD

PTD button functions

1.  To enter the main menu

2.  To return to the previous menu / selection

Home-Away button| Press

1.  To navigate between modes (Home/Away)

2.   To enter a menu/screen

3.   To confirm a change or setting or enter

+ or – button| Press (+)

1.  Increase the target temperature

2. To navigate between different menus (In forward direction)

3.  To navigate between different items within a menu (In forward direction)

Press (-)

1.  Decrease the target temperature

2. To navigate between different menus (In backwards direction)

3.  To navigate between different items within a menu (In backwards direction)

Establish communication with the receiver
Long press the Menu button to establish communication between Receiver H3747 and PTD

Note: The PTD has great temperature sensitivity and you may observe a sudden rise in ambient temperature during the commissioning process triggered by the touch of your hand. This is onlv temporarv.

Communication established

PTD after establishing communication with the receiver

Install the user mobile app

1. Download the Secure Controls user mobile app
2. Open the app and create an account to sign in

Optional installation

Product technical specifications

Receiver H3747

Programmable Thermostat Display PTD

Products variants

SCD100-000

| Battery operated device for zone heating and hot water
Programmable Thermostat C1727| ****

SCT200-000

| Mains powered 2 channel receiver C1727 and Programmable Thermostat Display (PTD)
Programmable Thermostat H3747| ****

SCT400-000

| Mains powered 4 channel receiver H3747 and Programmable Thermostat Display (PTD)

Temperature Sensor THS

| ****

SCS100-000

| Battery operated heating control Temperature Sensor THS

WiFi Extender HC2.4

| ****

SCW100-000

| 2.4 GHz WiFi add-on adapter for 2 and 4 channel receiver, It is used to enable WiFi functionality in the receivers

Learn more
Receiver H3747
The H3747 Smart programmer is designed for use with one to four zones of heating or hot water using spring return valves. Compatible with most regular heating systems including combination or system boilers as well as heat pumps requiring on – off control. The receiver is supplied with a standard 9-pin back plate for easy retrofit onto legacy Channel Plus or 425 programmers and time switches, with minimum wiring changes. Supporting Boiler plus compliance with Load compensation and optimum Start / Stop which significantly improves boiler efficiency by preventing short-cycling and temperature overshooting. The H3747 can also control the schedule of existing wired thermostats and lets you establish communication between the boiler/heating system and the PTD to enable the right comfort levels in each of your zones. Ideal for replacing traditional wired controls for systems that require separate control of heating and hot water or multiple heating zones

PTD
This is a battery operated wireless device, which measures and controls up to 4 zones (3 heating + 1 hot water or 4 heating). Designed for comfort and convenience, it comes with an intuitive interface and powerful features such as Receiver operating mode, Boost, Scheduling, Optimum start/stop and Service interval etc. There is no need for Wi-Fi when programming schedule in the PTD as it offers easy 7 day programming. With a guaranteed 12 year battery life, it is an ideal replacement for wired thermostats,with limited functionality.

www.securemeters.com
Secure Meters (UK) Ltd
South Bristol Business Park,
Roman Farm Road, Bristol, BS4 1UP

United Kingdom
Bristol Phone: +44 117 9788 700
UK Free Phone: 08081687224
UK Direct : +44 196 2826 225
support@securemeters.com
Copyright © 2020, SIHPL

References

• Secure Meters
• Manual-Hub.com – Free PDF manuals!

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