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SRT322
User and Installation Instructions
Battery Powered Wireless Digital Electronic Room
Thermostat with receiver
The SRT322 is a wireless electronic battery powered room thermostat that
uses interoperable two-way RF mesh networking technology to provide
optimum comfort with close control of the energy used to heat the home
without the need for additional wiring or unsightly cable runs.
The SRT322 will only operate when 2 x AAA batteries have been fitted and the
thermostat is installed and communicating with the ASR-ZW receiver unit.
INSTALLATION AND CONNECTION OF THE SRT322 SHOULD ONLY BE
CARRIED OUT BY A SUITABLY QUALIFIED PERSON.
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Summary of Contents for Secure SRT322
- Page 1 The SRT322 will only operate when 2 x AAA batteries have been fitted and the thermostat is installed and communicating with the ASR-ZW receiver unit.
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Page 3: User Instructions
Z-Wave pairing instructions on page 10. A radio mast symbol with no radio waves indicates that the SRT322 has not been signed on to enable it to communicate with the receiver. In this case you may wish to contact the Installer as the indication is that the product has not been commissioned when the installation took place. -
Page 4: Battery Replacement
Battery replacement The SRT322 runs on 2 x type AAA (Alkaline) non rechargeable batteries and is designed to give a battery life of approximately two years. When the batteries are nearing the end of their life a Batteries should be... -
Page 5: Installation Instructions
Offer the plate to the wall in the position where the receiver is to be mounted and mark the fixing positions through the slots in the wall plate. Drill and plug the wall, then secure the plate into position. The slots in the wall plate will compensate for any misalignment of the fixings. -
Page 6: Electrical Connections
Electrical Connections WARNING: ISOLATE THE MAINS SUPPLY BEFORE COMMENCING INSTALLATION As the SRT322 is a wireless product with no electrical connections all electrical wiring will be made to the receiver. All necessary electrical connections should now be made. Flush wiring can enter from the rear through the aperture in the backplate. - Page 7 Typical combi boiler system with built in timer This diagram shows a typical receiver and combination boiler installation, where the external boiler control is connected via switching terminals (a link may have to be removed on the boiler switching control terminals). Mains supplies to both the receiver and the boiler are omitted for clarity.
- Page 8 Avoid installing the thermostat against or behind any large metal surfaces which could interfere with the radio signals to and from the receiver. The SRT322 should be mounted on an internal wall approximately 1.5 metres from floor level using the wall plate provided and should be in a position away from draughts, direct heat and sunlight.
- Page 9 When used with a condensing boiler, the TPI thermostat will help to save energy as the control algorithm allows the boiler to operate in condensing mode more consistently compared to older types of thermostat. SWITCH CONFIGURATION SRT322 DIL switch numbers 7 and 8 should be set as diagram Ÿ...
- Page 10 SRT322 room thermostat with the receiver The SRT322 uses the latest Z-Wave wireless communication technology to give a reliable wireless link that should not suffer from interference from other nearby devices. The device comprises of a thermostat and its receiver unit. Pairing the devices on site ensures reliable communication.
- Page 11 Stage 1A – Only used if ‘L’ is displayed instead of ‘I’ 1) Turn the dial of the SRT322 until the letter P appears in the display. 2) Press the dial twice. 3) A second P should appear in the display which now shows `PP’.
- Page 12 Thermostat specifications Power supply 2 x AAA alkaline batteries Temperature accuracy +/- 0.5 °C Transmitter frequency 868MHz Dimensions 86mm x 86mm x36.25mm Pollution control Degree2 Design standard EN60730 - 2-9 Temperature range 5 °C – 30 °C Rated Impulse voltage Cat 1 –...