SMM installation and user manual
Contents
1. Boiler Boiler 1 Inj ction one Common uUtdoor Therm aa 1 Injection Pump Gy Vortexse 45 Cowansview Rd Cambridge Ontario NIR 7L2 Phone 888 781 8151 Fax 888 670 2544 e mail info vortexsource com Pump Snow Melt Module Single Zone Wiring Diagram Jistat es a4 dry dry one 1A dry 1B dry Common R 4vac L N gt S YO Zz lt o Gnd Power Supply G Vortex ses Snow Melt This document describes usage and operation of the controller for the Vortex Snow Melt 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 contro2. A Vortex as Installation and User Manual Snow Melt SM120 200 400 With Heat Exchanger Gj Vortexse Snow Melt Table of Contents e Ta TEE ESC UGA RE Low Voltage and EE deed dee de de de de Gd Ge Plumbing Boiler SUS EE Plumbing Snow Melt EE al Duve ue Stam UD DEE Box AV el EE Wiring RT E EE EEGENEN Controller Keypad eee mene nr ene nen een ee eee ee ee USER MODE E OR Snow Melt Operaatio D Control Parameters User and Admin Mode 2 eccceeeeeeeeeeeeeneeeeeeeeeeeeeeeenneeeeeeees HE PUMP EE eege Page 2 of 9 rev 1410 G Vortexse Snow Melt This document describes the installation of the Vortex Snow Melt system complete with pumps plumbing components and control The snow sensor is sold separately Mounting The cabinet is 22 1 4 x 30 x 8 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 in a 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 cabinet must be mounted an up orientation for the air eliminator to operate properly Electrical Provide a standard outlet 120vac 1ph 60Hz adjacent to the snow melt or remove the cord and hard wire with appropriate wire i e BX cable A switch for the outlet is recommended but not required Low Voltage and Sensors All low voltage connections are fo
3. ller 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 7 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 Cold weather shutdown too cold outside to run snowmelt TooWARM Warm weather shutdown too warm outside to run snowmelt FreezeX Heat Exchanger is below freeze setting Table 2 display icons Flame Injection pump on Snowflake Zone 1 call Sun Zone 2 call Moon Zone 3 call Fan Idle on Page 7 of 9 Tstat5E d 20 19 18 17 16 15 14 13 Thidll l ooogg D o rev 1410 G Vortexse Snow Melt 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 se
4. luid 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 1410 e Vortex Control Parameters User and Admin Mode Table 3 User Mode Parameters Snow Melt Description SnowMlit HHH D Displays operating condition Default Display Outdoor DAN 8 OC D Outdoor Temperature C SMC4 D Rev D Program revision number 2 00 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 SnowMlit HHHH D Displays operating condition Default Display Outdoor OC D Outdoor Temperature C Setpoint outdoor temperature for cold weather CWS GP oC shutdown low limit Default setting is 20 Setpoint outdoor temperature for warm weather WWS_SP HHH oC shutdown high limit Default setting is 5 Supply OC D Supply fluid temperature C to snowmelt loops Supp_SP HHHH OC Setpoint fluid supply temperature Default setting is 30 Retur
5. n OC D Return fluid temperature C from snowmelt loops IDLE_ON ON OFF Enables idle function IDLE_SP HHHH OC Setpoint fluid return temperature for idle mode Default setting is 2 Heat Exchanger surface temperature used for HeatExc HHHH OC D freeze protection FRZ_SP HHHH OC Heat exchanger freeze setpoint Default setting is 4 Pmp_Exr ON OFF Runs all pumps for 30sec once a day Defualt is OFF SMC4 H Rev D Program revision number 2 00 Modbus HHH Modbus address for Net Web Communications Default setting is 182 Note D in the set column indicates this parameter is for display only and cannot be modified using the controller Test Mode Push the button under the control to run all pumps for 20 seconds Pump Exerciser Set to ON to run all pumps for 30 seconds once a day Useful to prevent pump seizing during off season Default is OFF Page 9 of 9 rev 1410
6. nk Note that the expansion tank which may be provided is based on heating capacity and not system volume Verify expansion tank sizing required based on system volume Plumbing Start up Warning Do not plug in the unit until it has been filled both sides and purged of air Pump failure due to operating dry is not warranted Use the external isolation and purge valves to fill the boiler side The snowmelt side must be filled with a suitable anti freeze solution The drain valves and adjacent isolation valve provided can be used to fill and purge air from the system Page 4 of 9 rev 1410 Boiler or Water Heater Connections A VJ O Slakb Zone Pump Injection Pump Air Purger 4 Check Valve Isolation Valves DrainValve D Pressure Relief valve Control Pressure Guage Expansion Tank Heat Exchanger Snow Melt U J Manifolds Connections amp Vortexs Snow Melt 45 Cowansview Rd with Heat Exch Kl Cambridge Ontario NIR 7L2 Phone 888 781 8151 Plumbing Layout Fax 888 670 2544 e mail info vortexsource com Awith Opt Bypass 201 401 07 Controller GE EE EE EE eee eeeeeseeeeseesees LO ck p Freeze Return Therm Therm Supply Therm
7. tting 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 contractor To enter admin mode press any button to illuminate the display backlight then press and hold the two outside 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 inner 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 outside 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 f
8. und 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 Is factory installed on the surface of the pipe supplying heated fluid to the snowmelt loop Cover with at least L of pipe insulation Return Sensor Is factory installed on the surface of the pipe returning the fluid from the snowmelt loops Cover with at least 1 2 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 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 3 of 9 rev 1410 G Vortexse Snow Melt Plumbing Boiler Side Connect the boiler supply and return top of cabinet to the boiler or primary loop The use of close coupled tees or low loss header is recommended For filling purging purposes install a full port shut off valve and drain valve on the return leg near the connections to the primary loop Plumbing Snow Melt Side Connect the manifolds to the supply and return of the module and glycol fill system if desired Connect the expansion ta
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