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Summary of Contents for Unilux HVAC
- Page 1 HVAC Industries Inc. Unilux HVAC Universal Thermostat This manual covers the installation of the Unilux Universal thermostat Installation Guide | 1...
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Page 2: Mount The Thermostat
Universal Thermostat Requirements • Compatible with all Unilux residential HVAC • Connection terminals: C, R, Y/A, G1, G2, G3, W, equipment DP, FZ, TH, GND • 92mm x 92mm • 12-hour / 24-hour format clock display • LCD display with 5 touch sensitive buttons •... - Page 3 3. Level the bottom housing on the wall, bubble level recommended. 4. Secure the bottom housing to the walls with the provided screws. 5. With the bottom housing firmily mounted on the wall, connect the wiring from the top housing to the slot on the bottom housing.
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Page 4: Electrical Interface
Electrical Interface (A) 2-pipe system Symbols Terminals 24VAC Hot 24VAC Common not connected Heat/Cool valve relay G1,G2,G3 Low, Med, High fan relays TH, GND Remote 10kΩ water temperature sensor (BAPI 10K-3) Drain pan Freezestat (B) 4-pipe system Symbols Terminals 24VAC Hot 24VAC Common Heat valve relay Cool valve relay... -
Page 5: User Interface
(D) Alternate Method 1 2-pipe – AQUASTAT VERSION Symbols Terminals 24VAC Hot 24VAC Common Connects to Heat relay of aquastat Connects to Cool relay of aquastat G1,G2,G3 Low, Med, High fan relays TH, GND not connected Drain pan Freezestat (E) Alternate Method 2 2-pipe (Aux. -
Page 6: Anti-Freeze Mode
Fan forces to OFF and All Water valves Close (Both W and Y outputs are turned OFF). “Water droplet” indicator is visible on the screen. Until the unit is ready for use again. Please contact your HVAC service provider 6 | Installation guide 6 | Installation guide... -
Page 7: Turning The Thermostat On/Off
Turning the Thermostat On/Off Press-n-Hold [On/Off Key] to turn On / Off the thermostat. When the thermostat is Off. No Output will be generated. Internal Parameter Setting • Press-n-hold on key • Press to advance to the next item • Press [▲] / [▼] to adjust the value •... -
Page 8: System Mode
System mode • 2-pipe system (with and without Auxiliary heat) Refer to Internal Parameter Setting section for - Remote water temperature sensor must accessing Internal Parameter Menu. present for 2-pipe systems There are 4 system modes: - Heat control when remote temperature > 1. - Page 9 Vacation Hold and Permanent Hold 1. Vacation Hold • Set Vacation Hold when users are away on vacation to save energy. • Access Internal Parameter Menu. Go to P09. • Press [▲]/[▼] to adjust Vacation Hold duration, from 1 ~ 99 days. •...
- Page 10 (^) Temporary Override displayed Battery backup When 24VAC power supply is down, all settings and program schedules are saved in memory. TA640FC- ULX has built-in super-cap to provide temporary power backup and keep the clock running for 1 hour (max). During power outage, LCD shows time and day of week, backlight dimmed, Wi-Fi disconnected.
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Page 11: Temperature Measurement
Temperature Measurement • Measurable range: 32 – 99 °F / 0 – 40 °C • Controllable range: 40 – 95 °F / 5 – 35 °C • Resolution: 1°F / 0.5°C • Temperature display: °F / °C Embedded thermistor for measuring Room Temperature •... - Page 12 Universal Thermostat WiFi Setup Guide Step by step walkthrough of setting up Wi-Fi on Android 1. Download the Avan-Stats from Playstore 2. Press the + key in the top right corner to add Create an account for first-time users. new device. 3.
- Page 13 5. Select the ID of the thermostat i.e. AvanStat- 6. While waiting, make sure the thermostat and CED80. your phone are within reach of the nearest Wi-Fi access point. From the dashboard right swipe to get to 7. When thermostat is connected, it is this menu.
- Page 14 Step by step walkthrough of setting up Wi-Fi on IOS 1. Download the Avan-Stats from the App Store 2. Press the + key in the top right corner to add Create an account for first-time users. new device. 3. Enter SSID and password of your Wi-Fi access 4.
- Page 15 5. For first-time users: Grant Permission to the 6. For first-time users only: Press Connect again to thermostat. resume the pairing process. 7. While waiting, make sure the thermostat 8. When thermostat is connected, it is and iPhone are within reach of the automatically listed on the device page.
- Page 16 Glossary Purge - For fan coil units with a 3-way valve at the top or bottom of the riser network, you can set a purge time that will flush the water through the coil for 5 minutes. This ensures the water in the coil is an appropriate temperature for the desired heated or cooling.
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