Unilux HVAC Quick Start Manual Download Page 10

Page: 10 / 16

10 | Installation guide

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.

Advanced settings

The following setting can be adjusted on TA640FC-ULX:
• 2-pipe / 4-pipe / 2-pipe with Auxiliary heat selection

1. Refer to Internal Parameter Setting section

• User temperature calibration

1. TA640FC-ULX supports a temperature offset range of ±10°F / ±5°C

Wi-Fi :

2.4GHz | 802.11b/g/n | Interop with Universe Cloud

(^) Temporary Override displayed

Summary of Contents for HVAC

Page 1: ...Installation Guide 1 Unilux HVAC Universal Thermostat This manual covers the installation of the Unilux Universal thermostat HVAC Industries Inc...

Page 2: ...nd vacation LCD Backlight Set point program settings and date and time settings are stored in memory even power down Temperature calibration 5 C 5 C Terminals 2 mm2 cable Drain pan and Freezestat dete...

Page 3: ...ottom 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 6 After connecting t...

Page 4: ...reezestat Symbols Terminals R 24VAC Hot C 24VAC Common W Heat valve relay Y A Cool valve relay G1 G2 G3 Low Med High fan relays TH GND not connected DP Drain pan FZ Freezestat Symbols Terminals R 24VA...

Page 5: ...C Hot C 24VAC Common W Connects to Heat Cool of aquastat Y Connects to Cool valve relay G1 G2 G3 Low Med High fan relays TH GND not connected DP Drain pan FZ Freezestat D Alternate Method 1 2 pipe AQU...

Page 6: ...ey to confirm and exit Or it will automatically exit in 20 seconds Anti Freeze mode When the room temperature is below 40 F 5 C or remote water temperature sensor is below 34 F 1 C or 24VAC trigger si...

Page 7: ...5 1 1 program 2 7day program 3 3 P09 Vacation Hold 0 99 0 P14 Forced Ventilation Disable Enable Disable P15 Operating Mode Heat Cool Auto Heat P16 Changeover temperature for Heat mode 10 25 18 C P17 C...

Page 8: ...t and Cool setpoint must be separated by a dead band of 4 F 2 C There is a 4 minutes Heat Cool switching minimum off time Heat and Cool outputs do not turn On during Heat Cool switching minimum off ti...

Page 9: ...Internal Parameter Menu Go to P09 Press to adjust Vacation Hold duration from 1 99 days 0 to disable Vacation Hold Press center key to confirm and return to Home screen The person outside the house ic...

Page 10: ...for 1 hour max During power outage LCD shows time and day of week backlight dimmed Wi Fi disconnected Advanced settings The following setting can be adjusted on TA640FC ULX 2 pipe 4 pipe 2 pipe with A...

Page 11: ...ote water temperature sensor for 2 pipe systems only When 2 pipe system is selected 2H or 2P mode remote water temperature sensor must be present LCD flashes error code E1 under the following conditio...

Page 12: ...hrough of setting up Wi Fi on Android 1 Download the Avan Stats from Playstore Create an account for first time users 2 Press the key in the top right corner to add new device 3 Enter SSID and passwor...

Page 13: ...ccess point 7 When thermostat is connected it is automatically listed on the device page Last seen Time Zone Swipe Right on the device listing page Reset password In the unfortunate event that you los...

Page 14: ...ting up Wi Fi on IOS 1 Download the Avan Stats from the App Store Create an account for first time users 2 Press the key in the top right corner to add new device 3 Enter SSID and password of your Wi...

Page 15: ...thermostat 6 For first time users only Press Connect again to resume the pairing process 7 While waiting make sure the thermostat and iPhone are within reach of the nearest Wi Fi access point 8 When t...

Page 16: ...ent may affect the temperature reporting If your thermostat is in direct sunlight or next to a cold window consider calibrating the temperature to offset the factors affecting the temperature reading...