Tekmar tekmarNet 2 530 Installation & Operation Manual Download Page 27

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D 530 - 12/11

Technical Data

tekmarNet

2 Thermostat 530;

One Stage Heat, One Stage Cool, One Fan

Packaged weight

0.8 lb. (380 g)

Enclosure

NEMA 1, white PVC plastic

Dimensions

2-7/8” H x 2-7/8” W x 13/16” D (73 x 73 x 21 mm)

Approvals

CSA C US, meets Class B: ICES and FCC Part 15

Ambient conditions

Indoor use only, 36 to 122°F (2 to 50°C).

RH max 80% up to 88°F (31°C) decreasing linearly to 50%
RH at 104°F (40°C)

Altitude 0 - 6560 feet (2000 m), Installation Category II,
Pollution Category 2

Power supply

Provided by tekmarNet

2 Control, 1.3 VA

Y and G Relays

24 V (ac) 2 A

Summary of Contents for tekmarNet 2 530

Page 1: ...verrides with optional User Switch Auto Heating Cycle Cooling Interlock tekmarNet 2 communication compatible Requires 2 wires One stage heat cool and fan Pulse Width Modulation CSA C US Approved for use in USA and Canada Outdoor temperature display Air Group master Backlight Freeze Protection Equipment Exercising Auto heat cool switchover Room Temperature Limiting Hydronic Cooling Supports Radiant...

Page 2: ...Thermostat Wiring 5 Mounting the Thermostat 6 Cleaning the Thermostat 6 Switch Settings 7 User Interface 8 Display 8 Symbols Description 8 Button Operation 9 Settings 10 17 Sequence of Operation 18 Heating Operation 18 Cooling Operation 19 Floor Cooling 20 Fan Operation 21 Schedules 22 Scenes System Override 22 Troubleshooting 23 Error Messages 23 24 Frequently Asked Questions 25 Job Record 26 Tec...

Page 3: ...of wire is 1000 feet 300 m Strip wire to 3 8 10 mm for all terminal connections Use standard 18 AWG wire for the tN2 connections Installation Location Removing The Thermostat Base Push tab 1 Remove thermostat from base 2 To remove the thermostat base Place a small slot screwdriver or similar tool into the slot located on the top of the thermostat While pushing down against the plastic tab pull the...

Page 4: ... are provided to the thermostat by connecting the tN2 terminals on the thermostat to the tN2 terminals on a tN2 Wiring Center House Control Zone Manager or Expansion Module tN2 terminals are not polarity sensitive Connect the Rc Y and G terminals on the thermostat to the R Y and G terminals on the cooling equipment 1 2 3 4 1 2 3 4 tNt 530 530 One Stage Heat One Stage Cool One Fan Mmm YYYY Lot 1234...

Page 5: ...dc for 5 seconds this indicates the wiring is correct 3 Connect the thermostat to the tN2 wires connected to a zone on a House Control Wiring Center or Zone Manager 4 If the thermostat display is off or is cycling on and off move the thermostat to the next available zone on the House Control Wiring Center or Zone Manager If the thermostat display remains permanently on there may be a fault with th...

Page 6: ...en the Fan symbol appears use an electrical meter to check for continuity on the Rc and G terminals If continuity is present the relay is operating correctly If continuity is not present the thermostat has malfunctioned Mounting the Thermostat To place the thermostat back on the mounting base Place thermostat bottom tabs on matching mounting base notches Pivot top of the thermostat towards wall en...

Page 7: ...Position Action 1 ON SETBACK The thermostat follows a programmable setback schedule as a schedule member if available Requires the installation of a Timer 033 to use this feature OFF OFF The thermostat does not follow a programmable setback schedule 2 ON SCENE The thermostat responds to changes in the scene system wide manual overrides Requires the installation of a User Switch 479 to use this fea...

Page 8: ...p of thermostats CLOCK Operating on a programmable schedule LOCK Locked to User access level AWAY Operating at the Away scene temperature tekmarNet Communication is present WARNING SYMBOL Indicates an error is present WARM WEATHER SHUT DOWN The heating system has been shut off for the summer Display Symbols Description Switch between Heat Cool Auto and Off modes Switch between Auto On and Fan oper...

Page 9: ...st be at least 3 F 1 5 C above the Set Room Heat temperature To switch from cooling to heating the cooling must be off for at least a 30 minute interlock period and the Room temperature must be at least 3 F 1 5 C below the Set Room Cool temperature Cooling has priority over heating Off Mode The heating and cooling are shut off except heating for freeze protection Mode Fan The fan button manually t...

Page 10: ...aller SET ROOM HEAT AWAY Set the room heating temperature while in the Away scene Continued on next page Press and hold down both the and buttons for 2 seconds to change from one step to the next Release both buttons once the step has been reached Press the or the button to change the setting if available Press and hold down both the and buttons for 2 seconds to go to the next step OR After 10 sec...

Page 11: ...efault 85 F 29 5 C Installer User SET ROOM COOL Set the room cooling temperature while in the event 50 to 100 F 10 to 38 0 C Default 85 F 29 5 C Installer SET ROOM COOL AWAY Set the room cooling temperature while in the Away scene Off 30 sec On On Default 30 sec Installer User BACKLIGHT Select the backlight operation Off Permanently Off 30 Temporary on for 30 seconds On Permanently On On On during...

Page 12: ...arge number with Software Version upper right corner and the thermostat address 40 to 95 F 4 5 to 35 0 C Default 85 F 29 5 C Installer MAXIMUM SET ROOM HEAT Set the maximum room heating limit while in the event 40 to 95 F 4 5 to 35 0 C Default 85 F 29 5 C Installer MAXIMUM SET ROOM HEAT Set the maximum room heating limit while in the event 40 to 95 F 4 5 to 35 0 C Default 45 F 7 0 C Installer MINI...

Page 13: ...om cool limit OFF On Default OFF Installer VENTILATION Select whether or not ventilation is required Setting to on allows the fan to be operated in 10 increments every hour to circulate air in the building 0 1 2 3 Default 1 Installer FAN MODE Select how the fan should operate together with heating and cooling 0 Manual operation only 1 Operate fan with cooling only 2 Operate fan with heating and co...

Page 14: ...percentage the fan should operate while in the event This provides ventilation for the building Each 10 is 6 minutes per hour Available when Ventilation is set to On 1 2 3 4 Default 1 Installer SCHEDULE Thermostat can follow schedule master 1 2 3 or 4 Available when Switch setting 1 is set to Setback On Position Hyd Hydronic or Oth Other Default Hydronic Installer HEATING TERMINAL TYPE Select if t...

Page 15: ... Installer HEAT SUPPLY PUMP DELAY During heating select whether or not the system supply pump should be delayed by 3 minutes before coming on for thermal motor or wax actuator Available when A reset control is present on the tekmarNet system AND Heating terminal type is set to Hydronic ADJUST ADJUST TYPE rEF Coil H1 Default rEF Installer COOL TERMINAL TYPE Select the type of cooling system operate...

Page 16: ...ller COOL SUPPLY PUMP DELAY During cooling select whether or not the system supply pump should be delayed by 3 minutes before coming on for thermal motor or wax actuator Available when A reset control is present on the tekmarNet system AND Cool terminal type is set to Coil Auto SYn Synchronize Default Synchronize Installer HEAT CYCLES PER HOUR Select either Auto cycle or Synchronize with other the...

Page 17: ...he address is shown in the large number field Auto is shown in the upper number field when using automatic addressing Press the or the button to manually select an address The address can be returned to automatic Auto addressing when address set above 24 FLOOR ADJUST ADJUST COOL OFF or On Default OFF Installer FLOOR COOLING Select if the thermostat should operate the heating relay W for radiant fl...

Page 18: ...ic baseboard or electric fan coil while remaining connected to the tekmarNet system Exercising When connected to a tekmarNet reset control and the heating terminal unit is set to hydronic the thermostat exercises the heat relay for 10 seconds every 3 days Exercising helps prevent zone valves or zone pumps from failing due to precipitate buildup During exercising the thermostat shows TEST on the di...

Page 19: ...he mode is set to Cool or the mode is set to Auto and the thermostat is allowing cooling operation In all other modes the air group master thermostat measures and displays the built in local temperature sensor measurement Fluctuations in the displayed Room temperature may occur during automatic mode switch over when the display changes from using the local temperature for heating to using the air ...

Page 20: ... Coil The thermostat activates the Y terminal and also provides a cooling call to the heat pump or chiller control through the tekmarNet communication When operating a fan coil that uses both hot and chilled water then the Cool Terminal Type should be set to H1 The thermostat activates both the Y terminal and the heating terminal device zone valve or zone pump as well as provides a cooling call to...

Page 21: ...n can also operate for additional time beyond what is required for the heating and cooling systems Ventilation allows the user to select the fan to operate for a minimum percentage out of each hour Options are 10 to 90 in 10 6 minutes per hour increments as well as Auto and On This is available when the Ventilation setting in the Adjust menu is set to On Once Ventilation is set to On the Fan minim...

Page 22: ...ule at unoccupied temperature Scene Display Room Temperature Setting 1 or or Follows programmable schedule or operates at the occupied temperature 2 Away Away temperature 3 Unoccupied temperature Scenes System Override Section F When a programmable schedule is selected there is a time delay for the temperature to change from the temperature to the temperature The thermostat uses Optimum Start to p...

Page 23: ...orts to operate This device may be connected to one such port Move the thermostat s tN2 wires to an unused tN2 port on the control BUS ERROR The tekmarNet 4 communication bus has either an open or a short circuit The result is that there are no communications Check for loose wires Check for short circuits between the tN4 and C wires on the House Control Wiring Center or Zone Manager Check for corr...

Page 24: ...t be field repaired Contact your wholesaler or tekmar sales representative for details on repair procedures ROOM SENSOR OPEN CIRCUIT The built in air temperature sensor has an open circuit fault This error cannot be field repaired Contact your wholesaler or tekmar sales representative for details on repair procedures AIR MASTER ERROR There are two thermostat s on the tekmarNet system set as the sa...

Page 25: ...ess Mode button to Auto or Cool mode Heat or Cooling on yet Fan off Fan symbol Fan symbol indicates fan is on Check if fan relay and fan equipment is operating Fan set to Off Ensure fan mode is set correctly Heat or cooling on before scheduled time Optimum start learns the heat up and cool off rate of the room and starts the heating or cooling early so that the room is comfortable at the scheduled...

Page 26: ...Set Room Heat Away Set Room Cool Set Room Cool Set Room Cool Away Backlight Units Max Set Room Heat Max Set Room Heat Min Set Room Heat Min Set Room Cool Max Set Room Cool Ventilation Item Setting Fan Mode Fan Fan Schedule Member Heat Terminal Type Heat Supply Pump Heat Supply Pump Delay Cool Terminal Type Cool Supply Pump Cool Supply Pump Delay Heat Cycles Per Hour Air Group tekmarNet Address Flo...

Page 27: ...ns 2 7 8 H x 2 7 8 W x 13 16 D 73 x 73 x 21 mm Approvals CSA C US meets Class B ICES and FCC Part 15 Ambient conditions Indoor use only 36 to 122 F 2 to 50 C RH max 80 up to 88 F 31 C decreasing linearly to 50 RH at 104 F 40 C Altitude 0 6560 feet 2000 m Installation Category II Pollution Category 2 Power supply Provided by tekmarNet 2 Control 1 3 VA Y and G Relays 24 V ac 2 A ...

Page 28: ...es not cover the cost of the parts or labor to remove or transport the defec tive Product or to reinstall the repaired or replacement Product all such costs and expenses being subject to Purchaser s agreement and warranty with its customers Any representations or warranties about the Products made by Purchaser to its customers which are different from or in excess of the tekmar Limited Warranty ar...

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