SMC installation and user manual
Contents
1. ne 1A dry ne 1B tdryd Cc MmMon GY Y GC Y ll il GY GV G Y Vj Y VY G Y NI NI R 24vac O OOO N G L N Gn t Primary Power d In Verte 45 Cowansview Rd Cambridge Ontario NIR 7L2 Phone 888 781 8151 Box Layout Fax 888 670 2544 e mail info vortexsource com Snow Melt Control Single Zone Controller Back Supply Therm Common Return Therm Freeze Therm Common utdoor Therm Boiler dry Boiler dry one 1A dry one 1B dry Common R 24vacd EN G G S G Y SF 8 GS S S SG S elelelelelele A LK LK LL A Z lt LK W elele elele L N Gnd Power In Snow Melt Control 45 Cowansview Rd Single Zone Kgl Cambridge Ontario NIR 7L2 D s B 781 8151 Wiring Diagram Phone 888 Fax 888 670 2544 e mail info vortexsource com A 20140408 Gy Vortex Snow Melt Control This document describes usage and operation of the controller for the Vortex Snow Melt2. Control SMC It is recommended that the installing contractor read through this short manual in order to become familiar with the correct system setup procedure and to take advantage of the various features available The controller may be part of a pre wired packaged system including pumps and heat exchangers or it may be a stand alone control with all pumps field wired The controller has the capacity for up to 3 separate snow melt zones Controller Basics The controller can operate all snowmelt pumps as well as a dry contact TT to activate a boiler Through its LCD display and keypad important system parameters may be configured and operating conditions may be monitored When the controller keypad has not been pressed for a few minutes the backlight will turn off and the display may go blank Simply press any one of the buttons to wake up the controller By default the controller will display a short message describing the operating status of the system Table 1 provides a list of the different possible status messages and their meaning There are also a number of small icons that may appear around the edges of the display according to the current operating status Table 2 below gives an explanation of the different icons Table 1 status messages Message Meaning READY No calls but system is ready IDLE ON No calls pumps running in idle mode NORMAL At least one zone on and operating normally TooCOLD Col
3. revision number Default setting is 1 Displays operating condition as text based on SnowMit HHHH D DISP_FX Note D in the set column indicates this parameter is for display only and cannot be modified using the controller Table 4 Admin Mode Parameters Line 1 Line 2 Set Description Notes Outdoor HHHH D Outdoor Temperature C Heat Exchanger surface temperature used for HeatExc HHHH D freeze protection Return HHHH D Return fluid temperature C from snowmelt loops Supply HHHH D Supply fluid temperature C to snowmelt loops SMC3 HHHH D Program revision number Default setting is 1 IDLE_SP HHHH Setpoint fluid return temperature for idle mode Default setting is 2 Supp_SP HHHH Setpoint fluid supply temperature Default setting is 30 Setpoint outdoor temperature for cold weather CWS_SP HHHH shutdown low limit Default setting is 20 Setpoint outdoor temperature for warm weather WWS_SP HHHH shutdown high limit Default setting is 5 FRZ_SP HHHH Heat exchanger freeze setpoint Default setting is 4 IDLE_ON HHHH Enables idle function Modbus HEHH Modbus address Default setting is 180 Displays operating condition as text based on SnowMit HHHH D DISP_FX Note D in the set column indicates this parameter is for display only and cannot be modified using the controller Page 9 of 9 rev 1403
4. A Vortex as Installation and User Manual Snow Melt Control SMC 1 to 3 Zone Gy Vortexs Snow Melt Control Table of Contents e TEL e E Electra ceded cdr hed ocd NENNEN Low Voltage and Sensors soc sctcsisticsctce nid dris festen nad nase diransdineeceadetsomamsdiada de BOM AV OUN EE Wiring Diagram ME eine Controller Keypad EEE USER MODE secie E ES ADMIN MODE EE SEET ees Control Parameters User and Admin Mode AAA Page 2 of 9 rev 1403 Gy Vortex Snow Melt Control This document describes the installation of the Vortex Snow Melt Control as a stand alone control connected to external pumps Mounting The cabinet is 12x12x8 1 2 inches plus a one inch top and bottom mounting flange Mount the control cabinet on a wall using suitable wall anchors It must be mounted indoors ina dry location The top centre hole may be used a temporary hanging hook until suitable screws and anchors are used to fasten the four corners to the wall The control will operate normally with the cabinet mounted in any orientation up down sideways but the control display is oriented for mounting in the up position Electrical The control is rated for a maximum of 12amps total connected pumps All pumps must be 120vac 1ph 60Hz Unless otherwise stated on the rating label 240vac is available as special order Connect power supply and pumps to the controller using suitable cable i e BX and connectors through the available knockouts on the b
5. d weather shutdown too cold outside to run snowmelt TooWARM Warm weather shutdown too warm outside to run snowmelt FreezexX Heat Exchanger is below freeze setting Table 2 display icons Tstat5E H Flame Injection pump on Snowflake Zone 1 call LLLLLLLLLL Sun Zone 2 call Moon Zone 3 call Fan Idle on l 1 2 3 4 5 6 7 8 9 10 11 12 20 19 18 17 16 15 14 13 Thdlll L 1 g og gt INS 8688 o Page 7 of 9 Gy Vortex Snow Melt Control Controller Keypad By using the option and setting keys different parameters and their settings may be displayed and modified Use the option key to scroll through the available parameters and use the setting key to modify the parameter s current setting if available By default the control will remain in user mode in which a limited selection of parameters may be accessed By entering admin mode additional parameters may be made available Please exercise caution while in admin mode as these settings are meant to be accessed by the experienced user or installing contractor A description of each of the modes is found below USER MODE This is the basic display and operating mode in which only a limited selection of parameters may be accessed and modified Refer to Table 3 for description of each item displayed ADMIN MODE This is the advanced display and configuration mode It is intended only for the properly trained contrac
6. ottom of the cabinet Note that all side panels can be removed during installation Low Voltage and Sensors All low voltage connections are found on the control box beside the controller All temperature sensors are 10K type 2 NTC thermistors Wires may be extended with low voltage thermostat wire Supply Sensor Mount on the surface of the pipe supplying heated fluid to the snowmelt loop Cover with at least VG of pipe insulation Connect to Supply therm and Common Return Sensor Mount on the surface of the pipe returning the fluid from the snowmelt loops Cover with at least LG of pipe insulation Connect to Return therm and Common Outdoor Sensor Mount outdoors preferably on a wall above snow level and out of direct sunlight North wall Connect to Outdoor therm and Common Boiler TT dry contact low voltage connection to activate a boiler whenever the snow melt comes on Page 3 of 9 rev 1403 Gy Vortex ss Snow Melt Control Zone 1A dry Zone 1B dry Common 24vac These four connections are for a typical 4 wire snow detector For 3 wire do not connect zone 1B Refer to snow sensor wiring diagram Page 4 of 9 rev 1403 C gt Oly Therm va Snowmelt Ready S mmon turn Therm gt eze Therm Q TT AOI YN mmon tdoor Therm ler Cary ler cary N W wW
7. tor To enter admin mode press any button to illuminate the display backlight then press and hold the two option buttons at the same time user will be displayed at first hold until admin is displayed You can now scroll through the display items by using the lower two option buttons and adjust certain values using the upper two setting buttons To return the control to user mode simply wait a few minutes or press and hold both option buttons Use Table 4 as a quick reference on the items available in this mode Detailed descriptions on important parameters are found below Snow Melt Operation There following parameters may be useful in system commissioning and troubleshooting IDLE_SP default is 2 C The return fluid setting when idle mode is on Typcially slightly above or below freezing Supp_ SP default is 30 C The supply fluid setting when in snow melt or idle mode CWS _SP default is 20 C Below this outdoor temperature it is too cold for the snowmelt to operate WWS_SP default is 5 C Above this outdoor temperature it is too warm for snowmelt to operate FRZ_SP default is 4 C Below this heat exchanger temperature the snow melt will not operate Page 8 of 9 rev 1403 Gy Vortex Snow Melt Control Control Parameters User and Admin Mode Table 3 User Mode Parameters Description Outdoor HHHH D Outdoor Temperature C SMC3 HEHH D__ Program
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