Tekmar tekmarNet2 Thermostat 530 Installation & Operation Manual Download Page 1

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tekmarNet

2 Thermostat 527

Installation & Operation Manual

D527

08/10

Zoning

Replaces:06/09

1 of 20

D 527 - 08/10

The tekmarNet

2 Thermostat 527

provides operation for:

One Stage Heat

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Introduction

Features

Outdoor temperature display
Bright backlight
2 button temperature adjustment
Communication with other
tekmarNet

devices improves

system efficiency and comfort
Schedule member status enables
setback operation
Optimum start
Responds to tekmarNet

Scenes

Cooling Group Member
Freeze protection
Exercising
Zone synchronization

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Beneﬁ ts

Energy savings
Reduced temperature swings
Suitable for 2-wire retrofits
Compatible with tekmarNet

Timers, User Switches and
Gateway for additional control

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Note

tN2 Zone Manager, Expansion
Module, Wiring Center or House
Control required for operation

•

Summary of Contents for tekmarNet2 Thermostat 530

Page 1: ...ation with other tekmarNet devices improves system efficiency and comfort Schedule member status enables setback operation Optimum start Responds to tekmarNet Scenes Cooling Group Member Freeze protection Exercising Zone synchronization Beneﬁts Energy savings Reduced temperature swings Suitable for 2 wire retrofits Compatible with tekmarNet Timers User Switches and Gateway for additional control N...

Page 2: ...he Thermostat Wiring 5 Mounting the Thermostat 5 Cleaning the Thermostat 6 Switch Settings 6 User Interface 7 Display 7 Button Operation 7 Symbols Description 7 Settings 8 11 Sequence of Operation 12 Heating Operation 12 Cooling Group Operation 13 Schedules 14 Scenes System Override 14 Troubleshooting 15 Error Messages 15 17 Frequently Asked Questions 18 Job Record 19 Technical Data 19 Limited War...

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: ... Wiring The thermostat operates a single heating system zone Power and communication 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 1 2 3 4 tN2 Manager Module or Wiring Center tN2 tN2 1 2 3 4 tNt 527 527 One Stage Heat Made in Canada ...

Page 5: ...ay be a fault with the previously tried zone on the House Control Wiring Center or Zone Manager If the thermostat display continues to be off or is cycling on and off there may be a fault on the thermostat If a fault is suspected contact your tekmar sales representative for assistance Testing the Heat Zone Output 1 Press the button and set the heating temperature below the current room temperature...

Page 6: ...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 feature OFF OFF The thermostat does not respond to scenes 3 ON NONE The thermostat is not part of a cooling group OFF COOL MEMBER 1 The thermostat joins as a member to coolin...

Page 7: ...GROUP The cooling group is cooling Heating can start once the cooling is finished LOCK Locked to User access level CLOCK Operating on a programmable schedule 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 User Interface Button Operation Press the or the button to ...

Page 8: ...ller 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 seco...

Page 9: ...ring F or C Default F Installer User TEMPERATURE UNITS Press the or the button to change from F to C and vice versa Device Type with Software Version Address Installer User DEVICE TYPE Display alternates between the Device Type large 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 maximu...

Page 10: ...imit 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 Auto SYn Synchronize Default Synchronize Installer HEAT CYCLES PER HOUR Select either Auto cycle or Synchronize with other thermostats on the tekmarNet system Choose Synchronize when zone heated using a boiler Choose Auto when zone is non hydronic...

Page 11: ... is present on the tekmarNet system 01 to 24 no reset control b 01 to b 24 reset control boiler 1 01 to 1 24 reset control mixing Installer tekmarNet ADDRESS The 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...

Page 12: ...thermostat display will display the FLUSH icon for the duration of the flushing operation Hydronic System Supply Pump When connected to a tekmarNet reset control the thermostat s Supply Pump setting affects how the primary pump or mix pump on the reset control operates When connected to the boiler bus the primary pump is affected When connected to the mix bus the mix system pump is affected If the...

Page 13: ...he cool group master and a temperature average is determined When the cool group master is in cooling operation the cool group member thermostats do not operate the heating system for air heating If the Set Room Heat temperature is adjusted while the cool group is cooling the snowflake icon is flashed to alert the user that the cooling is presently on Once the cooling shuts off the heating can sta...

Page 14: ...ne 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 D 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 predict the heat up and cool off r...

Page 15: ...ettings have been reviewed PORT ERROR Thermostat has been connected to a tN2 Zone already in use by a 2 stage device A 2 stage device requires two tN2 ports 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 com...

Page 16: ...nd another device have been manually given the same tekmarNet address Error clears automatically once this thermostat is given a new manually set address or if the thermostat is set to automatic addressing ROOM SENSOR SHORT CIRCUIT The built in air temperature sensor has a short circuit fault This error cannot be field repaired Contact your wholesaler or tekmar sales representative for details on ...

Page 17: ...OOL MEMBER ERROR Switch setting 3 has been selected to join a cooling group as a member yet there is no cooling group master thermostat Error clears once the thermostat detects a cool group master or switch setting 3 is set to none Error Messages 3 of 3 ...

Page 18: ... Switch to Normal scene 1 Heat on before scheduled time Optimum start learns the heat up rate of the room and starts the heating early so that the room is comfortable at the scheduled time Pressing button does not increase temperature Flashing Max Installer can increase the Maximum Set Room Heat limits Pressing button does not decrease temperature Flashing Min Installer can decrease the Minimum Se...

Page 19: ...__________________________________________ Technical Data tekmarNet 2 Thermostat 527 One Stage Heat 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 A...

Page 20: ...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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