Tekmar-D530-Programmable-Thermostat-PRODUCT

Tekmar D530 Programmable Thermostat Installational Manual

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Tekmar D530 Programmable Thermostat 

Tekmar-D530-Programmable-Thermostat-PRODUCT

Introduction

The tekmarNet®2 Thermostat 530 provides operation for:

  • One Stage Heat
  • One Stage Cool
  • One Fan

Features

  • Zone Synchronization
  • Zone Post Purge
  • Intelligent setback (Timer 033)
  • One touch overrides (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 Floor Cooling

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

Getting Started

Congratulations on the purchase of your new tekmar thermostat.
This manual will step through the complete installation, programming and sequence of operation for this control. At the back, there are tips for control and system troubleshooting.

Installation

Caution

Improper installation and operation of this control could result in damage to the  equipment and possibly even personal injury or death. It is your responsibility to ensure that this control is safely installed according to all applicable codes and standards. This electronic control is not intended for use as a primary limit control. Other controls that are intended and certified as safety limits must be placed into the control circuit.

Preparation

Tools Required

  • Tekmar or jeweller screwdriver
  • Phillips head screwdriver
  • Wire Stripper

Materials Required

  • 2, #6 x 1” Wood Screws
  • 18 AWG LVT Solid Wire (Low Voltage Connections)
  • Optional Adapter Plate 007 (for installation on 2” x 4” gang box)

Installation Location ———————————————— 

Choose the placement of the thermostats early in the construction process to enable proper wiring during rough-in.

Consider the following:

  • Interior Wall.
  • Keep dry. Avoid potential leakage onto the control.
  • Relative Humidity max 80% up to 88°F (31°C) decreasing linearly to 50% RH at 104°F (40°C). Non-condensing environment.
  • No exposure to extreme temperatures beyond 36-122°F (2-50°C).
  • No draft, direct sun, or other cause for inaccurate temperature readings.
  • Away from equipment, appliances, or other sources of electrical interference.
  • Easy access for wiring, viewing, and adjusting the display screen.
  • Approximately 5 feet (1.5 m) off the finished floor.
  • The maximum length 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.

Removing The Thermostat Base

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 thermostat away from the thermostat’s base.Tekmar-D530-Programmable-Thermostat-FIG.1

Mounting The Thermostat Base

If a single gang switch box is used, an Adaptor Plate 007 is required to mount the thermostat to the box.Tekmar-D530-Programmable-Thermostat-FIG.2

  • Fasten the base of the thermostat to the adaptor plate.
  • Feed the wiring through the openings in the back of the adaptor plate and thermostat.
  • Use the upper and lower screw holes to fasten the adaptor plate to the box.

If a switch box was not used, mount the thermostat directly to the wall.Tekmar-D530-Programmable-Thermostat-FIG.3

  • Feed the wiring through the openings in the back of the thermostat.
  • Use screws in the screw holes to fasten the thermostat to the wall. At least one of the screws should enter a wall stud or similar rigid material.

Thermostat Wiring

The thermostat operates a single heating system zone together with a cooling system and fan.
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. Connect the Rc, Y and G terminals on the thermostat to the R, Y and G terminals on the cooling equipment.

Tekmar-D530-Programmable-Thermostat-FIG.4

tekmarNet® communication allows for cooling operation from rooms where only 2 conductor wire is available. This requires a Zone Manager 334 or Zone Expansion Module 324 directly wired to the cooling equipment. Power and communication are provided to the 530 thermostat from tN2 terminals on the 334 or 324.

Tekmar-D530-Programmable-Thermostat-FIG.5

Testing the Thermostat Wiring

Testing the Power
If the thermostat display turns on, this indicates that the thermostat is operating correctly and there are no electrical issues. In the event that the display is off, or the display is cycling on and off:

  1. Remove the tN2 wires from the thermostat.
  2. Use an electrical meter to measure DC voltage between the tN2 terminals.
    If the DC voltage is 0 V (dc) for 20 seconds, then there is an open or short circuit in the tN2 wires.
    If the DC voltage is 0 V (dc) for 10 seconds and then is 23 to 24 V (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 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 Mode button to set the mode to Heat.
  2. Press the Tekmar-D530-Programmable-Thermostat-FIG.6button and set the heating temperature above the current room temperature. Make sure the display does not show “WWSD”.
  3. When the H1 symbol appears on the display, use an electrical meter to check for voltage on the House Control, Wiring Center, or Zone Manager relay. The voltage is 24 V (ac) for zone valves, and 120 V (ac) for zone pumps when operating correctly.

Testing the Cooling Contact

  1. Press the Mode button to set the mode to Cool.
  2. PressTekmar-D530-Programmable-Thermostat-FIG.7 the button and set the cooling temperature below the current room temperature.
  3. When the C1 symbol appears on the display, use an electrical meter to check for continuity on the Rc and Y terminals. If continuity is present, the relay is operating correctly. If continuity is not present, the thermostat has malfunctioned.

Testing the Fan Contact 

  1. Press the Fan button to set the Fan to On.
  2. When 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:Tekmar-D530-Programmable-Thermostat-FIG.8

  1. Place thermostat bottom tabs on matching mounting base notches.
  2. Pivot top of the thermostat towards wall, ensuring wires clear obstructions.
  3. The top clasp makes a clicking sound when properly closed.

Cleaning the Thermostat
The thermostats’ exterior can be cleaned using a damp cloth. Moisten the cloth with water and wring out prior to wiping the control. Do not use solvents or cleaning solutions.

Switch Settings

Tekmar-D530-Programmable-Thermostat-FIG.9

Switches are set to “On” position from the factory, and do not require changing for most applications.

Switch 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 feature.

OFF OFF

The thermostat does not respond to scenes.

 

 

 

3

 

ON

LOCK ACCESS LEVEL

Locked to ‘User’ access level. Set to Lock when installation completed.

 

 

OFF

UNLOCK ACCESS LEVEL

Unlock to allow ‘User’ and “Installer’ access level. Set to Unlock during installation process.

tekmarNet® reset control must also be set to Unlocked (Installer access level).

 

4

ON Not used
OFF Not used

User Interface

DisplayTekmar-D530-Programmable-Thermostat-FIG.10 Tekmar-D530-Programmable-Thermostat-FIG.11

Button Operation

Mode

The Mode button selects between Auto, Cool, Heat, and Off.Tekmar-D530-Programmable-Thermostat-FIG.12

  • Heat Mode: The heating system operates to maintain the Set Room Heat temperature.
  • Cool Mode: The cooling system operates to maintain the Set Room Cool temperature.
  • Auto Mode: The heating system operates to maintain the Set Room Heat temperature.
    Likewise the cooling system operates to maintain the Set Room Cool temperature.
    The thermostat will prevent the Set Room Heat and the Set Room Cool settings from getting closer than 3°F (1.5°C).
    To switch from heating to cooling, the heat must be off for at least a 30 minute interlock period and the actual Room temperature must 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.

RoomTekmar-D530-Programmable-Thermostat-FIG.6or Tekmar-D530-Programmable-Thermostat-FIG.7 Temperature

Press the Tekmar-D530-Programmable-Thermostat-FIG.6or Tekmar-D530-Programmable-Thermostat-FIG.7the button to select the room temperature. The display indicates whether the “HEAT” or the “COOL” temperature is being changed.
If in Auto mode, press the Mode button to toggle between Heat or Cool temperature adjustment.Tekmar-D530-Programmable-Thermostat-FIG.13

Fan

The fan button manually turns the fan on or off.Tekmar-D530-Programmable-Thermostat-FIG.14

  • Auto: Fan is usually off but can operate with heating or cooling.
  • On: Fan is on all the time.
  • 10 to 90%: Fan operates a minimum of this percentage each hour.

Settings

Press Tekmar-D530-Programmable-Thermostat-FIG.6or Tekmar-D530-Programmable-Thermostat-FIG.7 together

  • 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 seconds of no button activity, the display goes back to normal operation.
  • Note: Set switch setting #3 and tekmarNet® system control to Unlock to change Access level to Installer.

Tekmar-D530-Programmable-Thermostat-FIG.15 Tekmar-D530-Programmable-Thermostat-FIG.16 Tekmar-D530-Programmable-Thermostat-FIG.17 Tekmar-D530-Programmable-Thermostat-FIG.18 Tekmar-D530-Programmable-Thermostat-FIG.19 Tekmar-D530-Programmable-Thermostat-FIG.20 Tekmar-D530-Programmable-Thermostat-FIG.21 Tekmar-D530-Programmable-Thermostat-FIG.22

Sequence of Operation

Heating Operation

The thermostat operates the heating system to maintain the Set Room Heat temperature. The H1 symbol is shown on the display when the thermostat is heating. The heat can cycle on and off within +/- 1.5°F (1°C) of the Set Room Heat temperature.

  • Freeze Protection —————————————————-
    The thermostat operates the heat whenever the room temperature falls below 40°F (4.5°C), regardless of the thermostat mode.
  • Heat Terminal Unit —————————————————
    When the thermostat is connected to a tekmarNet® reset control, the heat source can be either hydronic or non-hydronic.
    When the Heat Terminal is set to Hydronic, the thermostat uses indoor temperature feedback to fine tune the water temperature and also synchronizes the start of a heating cycle so that all thermostats start heating at the same time. This reduces cycling on the boiler.
    When the Heat Terminal is set to Other, the thermostat does not use indoor temperature feedback. This allows the thermostat to operate non-hydronic heating systems (example: furnace, electric 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 display.
  • Flushing ————————————————————
    The flushing feature is for open-loop systems that use a domestic hot water tank as a heat source. Flushing ensures that fresh potable water is circulated through the system once each day. If the thermostat is connected to a tekmarNet® reset control with the Flushing feature turned on, the thermostat display will display the “FLUSH” icon for the duration of the flushing operation.
  • Hydronic System Supply Pump —————————————
    When connected to a tekmarNet® system control, the thermostat’s Heat Supply Pump setting affects how the primary pump or mix pump on the system control operates. When connected to the boiler bus, the boiler system or primary pump is operated. When connected to the mix bus, the mix system pump is operated. If the thermostat operates a motorized or thermal motor zone valve, the Heat Supply Pump setting should be set to On.
    If the thermostat operates a thermal motor (wax actuator) zone valve, set the Heat Supply Pump Delay setting to On. This provides a three minute delay to allow the zone valve to open before the primary or mix pump is turned on.
    In special applications with multiple zoning manifolds, the Heat Supply Pump setting can be set to Off. This allows a Zone Group Pump located on the Zone Manager, or Wiring Center to operate the pump for the manifold.
  • DHW Tank Priority —————————————————
    When a tekmarNet® reset control is heating an indirect Domestic Hot Water (DHW) tank, the thermostat may shut off the heating zones to allow the DHW tank to recover quickly. This is determined by the DHW priority of the tekmarNet® reset control.
  • Warm Weather Shut Down ——————————————–
    When the outdoor air temperature exceeds the Warm Weather Shut Down (WWSD) setting on the tekmarNet® reset control, the heating system is shut off.

Cooling Operation

The thermostat operates the cooling system to maintain the Set Room Cool temperature. The C1 symbol is shown on the display when the thermostat is cooling. The cooling can cycle on and off within +/- 1.5°F (1°C) of the Set Room Cool temperature.
The cooling system has a fixed minimum on time of 2 minutes and a minimum off time of 5 minutes in order to prevent cooling equipment short cycling.

  • Air Groups 
    In order to prevent heating and cooling at the same time, this thermostat can operate together with other thermostats on a tekmarNet® system to form an air group. There can be up to 16 different air groups on the same HVAC system. When this thermostat is set as the Air Group master, it operates the cooling equipment for the group. Other thermostats can be set to become members of the same air group. When the cooling is turned on, all air group member thermostats ensure the heating is off. When operating as an air group, the air temperature readings of all the air group member thermostats are displayed on the master as an average. The air group average temperature is shown as the “Room” temperature while the 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 group average temperature for cooling.Tekmar-D530-Programmable-Thermostat-FIG.23
  • Hydronic Cooling —————————————————-
    The thermostat has the option to support hydronic cooling using a fan coil or a chilled beam when connected to a heat pump or chiller tekmarNet® system control.
    When operating a chilled beam or a fan coil that uses chilled water for cooling but does not use hot water for heating, then the Cool Terminal Type should be set to 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 the heat pump or chiller control through the tekmarNet® communication.
  • Hydronic System Supply Pump —————————————
    When connected to a tekmarNet® system control, the thermostat’s Cool Pump setting affects how the primary pump or mix pump on the system control operates during cooling operation. When connected to the boiler bus, the boiler system or primary pump is operated. When connected to the mix bus, the mix system pump is operated.
    If the thermostat operates a motorized or thermal motor zone valve, the Cool Supply Pump setting should be set to On.
    If the thermostat operates a thermal motor (wax actuator) zone valve, set the Cool Supply Pump Delay setting to On. This provides a three minute delay to allow the zone valve to open before the primary or mix pump is turned on.
    In special applications with multiple zoning manifolds, the Cool Supply Pump setting can be set to Off. This allows a Zone Group Pump located on the Zone Manager, or Wiring Center to operate the pump for the manifold.

Floor Cooling

The thermostat has the option to support radiant floor cooling when connected to a heat pump control using tekmarNet® communication. The heating terminal unit type must be set to be hydronic (HYD), the floor cooling setting must be set to On and the heating system must be in Warm Weather Shut Down (WWSD). When the heat pump system control operates in cooling mode, all thermostats set for floor cooling on the tekmarNet® bus all activate the first stage heating contact (H1) at the same time to allow chilled water into the system. The thermostat continues to operate the cooling until either the room temperature reaches the Set Heat temperature plus 3°F (Set Heat+1.5°C) or reaches a minimum temperature of 74°F. If only a floor sensor is installed, the floor cooling setpoint is 67°F (19.5°C).

Fan Operation

The thermostat normally operates the fan together with the heating and cooling systems. This is determined by the Fan Mode setting in the Adjust menu.

Fan Mode The fan operates with…
0 Not With Heating Nor Cooling (Only with fan button)
1 Cooling Only
2 Heating and Cooling
3 Heating Only

The fan relay includes a post purge feature. After the heating is shut off, the fan continues to operate for 30 seconds. After the cooling is shut off, the fan continues to operate for 10 seconds.
The user can also select to operate the fan manually by pressing the Fan button.
This allows the user to choose between Auto and On. “Auto” allows the fan to operate together with heating or cooling but normally the fan is off. “On” forces the fan to operate continuously.
The fan button is inactive when the Fan Mode is 0 and Ventilation is set to Off.
Ventilation Fan
In order to provide ventilation to the building, the fan 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 minimum run time percentage during the and events can be set so that the fan can operate on a schedule and/or together with scenes.

Schedules

Lowering the room temperature setting reduces the amount of fuel required to heat the building resulting in energy savings. Likewise, raising the cooling temperature results in energy savings.
This thermostat can follow a programmable schedule in order to automatically lower the room temperature setting. A schedule master such as a Timer 033 is required in order to gain programmable schedule functionality.
When operating on a programmable schedule, a Tekmar-D530-Programmable-Thermostat-FIG.26symbol is shown, as well as aTekmar-D530-Programmable-Thermostat-FIG.24or a Tekmar-D530-Programmable-Thermostat-FIG.25. The or indicates the current operating temperature.
If a Tekmar-D530-Programmable-Thermostat-FIG.26symbol does not appear, there is no schedule available.

Display Action
Tekmar-D530-Programmable-Thermostat-FIG.24 Occupied temperature. No schedule.
Tekmar-D530-Programmable-Thermostat-FIG.25 Unoccupied temperature. No schedule.
Tekmar-D530-Programmable-Thermostat-FIG.24Tekmar-D530-Programmable-Thermostat-FIG.26 Programmable schedule at occupied temperature.
Tekmar-D530-Programmable-Thermostat-FIG.25Tekmar-D530-Programmable-Thermostat-FIG.26 Programmable schedule at unoccupied temperature.

When a programmable schedule is selected, there is a time delay for the temperature to change from Tekmar-D530-Programmable-Thermostat-FIG.25the temperature to the Tekmar-D530-Programmable-Thermostat-FIG.24temperature.
The thermostat uses Optimum Start to predict the heat up and cool off rate of the room. The optimum start feature allows the room Tekmar-D530-Programmable-Thermostat-FIG.24to reach the set room temperature by the time set in the programmable schedule. This applies for both heating and cooling.

Scenes (System Override)

Scenes provide an easy way to save energy while away on vacation, or override a pre-set schedule when plans change. tekmarNet® devices such as a User Switch 479 provide scene adjustment.
This thermostat responds to the following scenes:

Scene Display Room Temperature Setting
1 Tekmar-D530-Programmable-Thermostat-FIG.24or    Tekmar-D530-Programmable-Thermostat-FIG.24Tekmar-D530-Programmable-Thermostat-FIG.26   orTekmar-D530-Programmable-Thermostat-FIG.25Tekmar-D530-Programmable-Thermostat-FIG.26 Follows a programmable schedule or operates at the occupied temperature.
2 Away Away temperature.
3 Tekmar-D530-Programmable-Thermostat-FIG.25 Unoccupied temperature.

TroubleshootingTekmar-D530-Programmable-Thermostat-FIG.27 Tekmar-D530-Programmable-Thermostat-FIG.28Frequently Asked Questions

Frequently Asked Questions
Symptom Look for… Corrective Action
 

 

 

No Heat

H1 Symbol H1 symbol indicates heat is on. Check if zone valve or zone pump is operating.
Flashing WWSD Increase WWSD setting on tekmarNet® reset control.
Flashing Away Change User Switch to Normal scene 1.
Mode Auto or Heat Press Mode button to Auto or Heat mode.
 

 

No Cooling

 

C1 Symbol

C1 symbol indicates cooling is on. Check if cooling relay and cooling equipment are operating.
Flashing Away Change User Switch to Normal scene 1.
Mode Auto or Cool Press 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 Tekmar-D530-Programmable-Thermostat-FIG.25Tekmar-D530-Programmable-Thermostat-FIG.26 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 time.
Pressing button does not increase temperature  

Flashing Max

 

Installer can increase the Maximum Set Room Heat or Maximum Set Room Cool limits.

Pressing button does not decrease temperature  

Flashing Min

 

Installer can decrease the Minimum Set Room Heat or Minimum Set Room Cool limits.

Job Record

  • Jobsite Location __
  • Thermostat Location ___
Item Setting Item Setting
Set Room Heat Fan Mode
Set Room Heat Fan
Set Room Heat Away Fan
Set Room Cool Schedule Member
Set Room Cool Heat Terminal Type
Set Room Cool Away Heat Supply Pump
Backlight Heat Supply Pump Delay
Units Cool Terminal Type
Max Set Room Heat Cool Supply Pump
Max Set Room Heat Cool Supply Pump Delay
Min Set Room Heat Heat Cycles Per Hour
Min Set Room Cool Air Group
Max Set Room Cool tekmarNet® Address
Ventilation Floor Cooling

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

Limited Warranty and Product Return Procedure

Limited Warranty The liability of tekmar under this warranty is limited. The Purchaser, by taking receipt of any tekmar product (“Product”), acknowledges the terms of the Limited Warranty in effect at the time of such Product sale and acknowledges that it has read and understands same. The tekmar Limited Warranty to the Purchaser on the Products sold hereunder is a manufacturer’s passthrough warranty which the Purchaser is authorized to pass through to its customers. Under the Limited Warranty, each tekmar Product is warranted against defects in workmanship and materials if the Product is installed and used in compliance with tekmar’s instructions, ordinary wear and tear excepted. The pass-through warranty period is for a period of twenty-four (24) months from the production date if the Product is not installed during that period, or twelve (12) months from the documented date of installation if installed within twenty-four (24) months from the production date. The liability of tekmar under the Limited Warranty shall be limited to, at tekmar’s sole discretion: the cost of parts and labor provided by tekmar to repair defects in materials and / or workmanship of the defective product; or to the exchange of the defective product for a warranty replacement product; or to the granting of credit limited to the original cost of the defective product, and such repair, exchange or credit shall be the sole remedy available from tekmar, and, without limiting the foregoing in any way, tekmar is not responsible, in contract, tort or strict product liability, for any other losses, costs, expenses, inconveniences, or damages, whether direct, indirect, special, secondary, incidental or consequential, arising from ownership or use of the product, or from defects in workmanship or materials, including any liability for fundamental breach of contract. The pass-through Limited Warranty applies only to those defective Products returned to tekmar during the warranty period. This Limited Warranty does not cover the cost of the parts or labor to remove or transport the defective 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 are the Purchaser’s sole responsibility and obligation. Purchaser shall indemnify and hold tekmar harmless from and against any and all claims, liabilities and damages of any kind or nature which arise out of or are related to any such representations or warranties by Purchaser to its customers.
The pass-through Limited Warranty does not apply if the returned Product has been damaged by negligence by persons other than tekmar, accident, fire, Act of God, abuse or misuse; or has been damaged by modifications, alterations or attachments made subsequent to purchase which have not been authorized by tekmar; or if the Product was not installed in compliance with tekmar’s instructions and / or the local codes and ordinances; or if due to defective installation of the Product; or if the Product was not used in compliance with tekmar’s instructions.
THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, WHICH THE GOVERNING LAW ALLOWS PARTIES TO CONTRACTUALLY EXCLUDE, INCLUDING, WITHOUT LIMITATION, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, DURABILITY OR DESCRIPTION OF THE PRODUCT, ITS NON-INFRINGEMENT OF ANY RELEVANT PATENTS OR TRADEMARKS, AND ITS COMPLIANCE WITH OR NON-VIOLATION OF ANY APPLICABLE ENVIRONMENTAL, HEALTH OR SAFETY LEGISLATION; THE TERM OF ANY OTHER WARRANTY NOT HEREBY CONTRACTUALLY EXCLUDED IS LIMITED SUCH THAT IT SHALL NOT EXTEND BEYOND TWENTY-FOUR (24) MONTHS FROM THE PRODUCTION DATE TO THE EXTENT THAT SUCH LIMITATION IS ALLOWED BY THE GOVERNING LAW.
Product Warranty Return Procedure All Products that are believed to have defects in workmanship or materials must be returned, together with a written description of the defect, to the tekmar Representative assigned to the territory in which such Product is located. If tekmar receives an inquiry from someone other than a tekmar Representative, including an inquiry from Purchaser (if not a tekmar Representative) or Purchaser’s customers, regarding a potential warranty claim, tekmar’s sole obligation shall be to provide the address and other contact information regarding the appropriate Representative.

tekmar Control Systems Ltd., Canada
tekmar Control Systems, Inc., U.S.A.
Head Office: 5100 Silver Star Road Vernon, B.C. Canada V1B 3K4
(250) 545-7749 Fax. (250) 545-0650
Web Site: www.tekmarcontrols.com

Product design, software and literature are Copyright © 2007 by:
tekmar Control Systems Ltd. and tekmar Control Systems, Inc.
All specifications are subject to change without notice.
Printed in Canada. U 546 – 08/07.

Reference:

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Tekmar D530 Programmable Thermostat Installational Manual

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Tekmar D530 Programmable Thermostat Installational Manual


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