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Installation Manual
SNO-0500
Version 1.04
‡ 6QRZ 0HOWLQJ &RQWURO
SNO-0500
HBX Control Systems Inc.

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Summary of Contents for HBX SNO-0500

  • Page 1 Installation Manual SNO-0500 Version 1.04 ‡ 6QRZ 0HOWLQJ &RQWURO SNO-0500 HBX Control Systems Inc.
  • Page 2: Table Of Contents

    Status Screens ..................8 Snowmelt Programming................9-11 Sample Wiring and Mechanical Diagrams ..........12-13 'HPDQG LQSXW W\SH ÁRZ FKDUW  )XQFWLRQ 7HVWLQJ  Testing and troubleshooting procedure..........16-18 SNO-0500/ SNO-0110 - Testing ..............16 SNO-0500/ SNO-0110 - Troubleshooting ..........16-18 Warranty Information ................19 Comfort Comfort Control...
  • Page 3: Introduction

    Wiring must be completed in accordance with the codes and practices applicable to the jurisdiction for the actual installation. The HBX SNO-0500 is a standalone snow melt control. Please consult and install the heating appliance in accordance with manufacture’s recommendations.
  • Page 4: Description

    DQ LQMHFWLRQ SXPS DQG V\VWHP SXPS RU RSHUDWH D ÁRDWLQJ YDOYH IRU PL[LQJ SXUSRVHV WKLV YDOXHDGGHG stand alone control is suitable for single scale projects, or multizone projects that require individual optical sensors for each melt zone. Some features of the HBX SNO-0500 are: ‡ 6QRZ IDOO LQWHQVLW\ VHWWLQJV - Max.
  • Page 5: Technical Data

    Valve Input Enable/ Sensor Sensor SNO Sensor Pump 6WRUDJH 50°F to 104°F (10ºC to 40ºC) DIMENSIONS Side View Front View Rear View Top View 70mm 66mm 168mm Bottom View 63.2mm 86mm 100mm © HBX Control Systems Inc. 2012 Page 5...
  • Page 6: Wiring And Installation

    FRQWURO D ÁRDWLQJ DFWLRQ YDOYH INSTALLATION SNO-0500 Rear View The SNO-0500 is designed to be wall mounted, DIN rail mounted or installed in a separate electrical enclosure. The unit should be mounted Jumper inside and protected from falling water and high humidity conditions.
  • Page 7: Programming Hbx Sno-0500

    V e r s i o n 1 . 0 4 MULTICOLOUR BACKLIT DISPLAY The Multicolour Backlit Display is one of the key features of the HBX Controls stand-alone SNO-0500 Control. Depending on which mode of operation is selected the screen colour will change to indicate information about the status of the system.
  • Page 8: Programming Scroll Mode

    PROGRAMMING SCROLL MODE To enter this mode the dial must be pressed in for more than one second. When the SET indicator comes on release the button, you will now be in Programming Scroll Mode. In this mode turning the dial to the left or right will scroll through the programming options on the control. Each setting will be indicated by the icons around the screen as well as the temperature/number of that setting.
  • Page 9: Snowmelt Programming

    SNOWMELT CONTROL PROGRAMMING Instant Intensity 25.0 If the snow melt sensor sees a greater snowfall rate than this set percentage, the control will come out of idle mode and go into melt mode. (1% to 100%) Default: 25% Constant Intensity 10.0 If the snowfall rate is greater than this set percentage, for longer than the constant time set below, the control will come out of idle mode and go into melt mode.
  • Page 10 6QRZPHOW 6HWWLQJV  0HOW 7HPSHUDWXUH Slab 50.0 This setting is used to set the snow zone slab temperature when snow is present. °F Going from idle to melt temperature is determined by the snow sensor. If the amount of snow is more than the intensity settings then the control will go into melt mode.
  • Page 11 System Maximum 135.0 Set this to the maximum temperature you would like in the slab. This is for the low °F temperature system loop. (40°F to 200°F) Default: 135°F T mp Syst m Slab Sensor Location Slab Set this to INT when the Snow/ Ice Optical Sensor is mounted in-slab, or set to REM when mounted remotely.
  • Page 12: Sample Wiring And Mechanical Diagrams

    H B X S N O - 0 5 0 0 H V A C C o n t r o l V e r s i o n 1 . 0 4 DRAWINGS  6QRZPHOW ZLWK LQMHFWLRQ PL[LQJ PHFKDQLFDO  This system uses a PMIp injection pump to mix high temperature water into the slab.
  • Page 13  6QRZPHOW ZLWK ÁRDWLQJ DFWLRQ YDOYH PL[LQJ  5HPRWH VHQVRU PRXQWLQJ ZLULQJ VFKHPDWLF (electrical). 7KLV V\VWHP XVHV D ÁRDWLQJ DFWLRQ YDOYH WR mix high temperature water into the slab. © HBX Control Systems Inc. 2012 Page 13...
  • Page 14 H B X S N O - 0 5 0 0 H V A C C o n t r o l V e r s i o n 1 . 0 4 '(0$1' ,0387 7<3( )/2: &+$576 Demand Input DEM 1: Demand starts control in Idle mode Demand Input DEM 0: Demand forces melt mode (always in Idle mode)
  • Page 15 This function allows the installer to test the 4 Relays of the SNO-0500 and the Snowmelt Sensor-0110. Relay Testing This allows you to manually test/run each relay for up 30 seconds. There are 4 relays on the SNO-0500: Relay 1: Boiler demand...
  • Page 16: Testing And Troubleshooting Procedure

    H B X S N O - 0 5 0 0 H V A C C o n t r o l V e r s i o n 1 . 0 4 TESTING AND TROUBLESHOOTING PROCEDURE SN0-0500 / SNO-0110 - Testing Thermistor Test Resistance table for thermistors (outdoor, system) Temperature Resistance...
  • Page 17 The heater will put 40 ºF into the slab temperature when the heater is ON. Problem: The slab temperature displayed on the screen differs from the actual temperature of the slab and will not activate the SNO-0500 when its necessary. Explanation: ‡...
  • Page 18 H B X S N O - 0 5 0 0 H V A C C o n t r o l V e r s i o n 1 . 0 4 Solution ‡ <RX FDQ DGMXVW WKH 6QRZ ,GOH 7HPSHUDWXUH DQG the Melt Temperature according to the deviation between the temperature showed by the SNO -0500 and the slab.
  • Page 19: Warranty Information

    HBX Controls warrants each of its products to be free from defects in workmanship and materials under normal use and service for a period of 24 months from date of manufacture or 12 months from date of purchase from an HBX Authorized Dealer, if within the above documented period after date of manufacture.
  • Page 20 Phone: +1 (403) 720-0029 Fax: +1 (403) 720-0054 Email: inf o @ hbxcontrols.com Web: www.hbxcontrols.com v1.2 HBX Control Systems Inc. 4516 - 112 Avenue SE Calgary, AB Canada T2C 2K2 HBX Control Systems Inc. 2012...

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