Table of Contents
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- Data Brochure
tekmarNet
®
4 Thermostat 541
1
2
Information
Application
Brochure
Choose controls
Design your
to match
mechanical
application
applications
Introduction
The tekmarNet
®
4 thermostat 541 operates one stage of heating equipment. The 541 can operate as a stand alone device,
or communicate with a group of tekmarNet
Features
• tN4 Compatible
•
• • 1 Auxiliary Temperature Sensor Input
3
Rough In
Brochure
Wiring
Rough-in
wiring
instructions
®
4 thermostats.
4
Wiring
Brochure
Wiring and
installation of
specific control
• • Pulse Width Modulation
• • Scenes
1 of 24
5
6
Data
Brochure
Control settings
Record settings &
and sequence of
wiring details for
operation
future reference
© 2007
D 541
08/07
Job
Record
D 541 - 08/07
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Summary of Contents for Tekmar 541
- Page 1 Introduction The tekmarNet ® 4 thermostat 541 operates one stage of heating equipment. The 541 can operate as a stand alone device, or communicate with a group of tekmarNet ® 4 thermostats. Features • • tN4 Compatible •...
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Page 2: Table Of Contents
Note: The tN4 System Control’s Lock / Unlock DIP switch Use the Lock / Unlock DIP switch to lock or unlock the overrides the Lock / Unlock DIP switch on the 541. Set Access Level of the 541. the tN4 System Control’s Lock / Unlock DIP switch to the Unlock position before Access Levels can be changed on •... -
Page 3: Access Levels
1. Set the Unlock / Lock DIP switch to the unlock position. • • Advanced (ADV): access to all settings If a tN4 System Control is connected to the 541, the • • Installer (INST): settings required for installation Unlock / Lock DIP switch on the tN4 System Control must be set to the unlock position. -
Page 4: User Interface
Down) to select settings. As you enter settings, record the 1. Use the Menu button to select the appropriate menu. settings in the Job Record J 541. 2. Use the Item button to select a menu item. 3. Use the Up or Down button to adjust the setting. -
Page 5: Setup
Outdoor Reset Module and the DIP switch is set to tN4 System Control. After the last item, the control returns to the first item in the menu. 5 of 24 © 2007 D 541 - 08/07... -
Page 6: Adjust Menu
Floor. OFF, ROOM, SENSOR SECTION A FLOR (Floor), INST Select the type of sensor connected to the auxiliary OUT (Outdoor) sensor input. Default = OFF Continued on next page. © 2007 D 541 - 08/07 6 of 24... - Page 7 INST heating. Default = ON Note: This item is only available when a heating schedule is selected. After the last item, the control returns to the first item in the menu. 7 of 24 © 2007 D 541 - 08/07...
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Page 8: Scene Menu
OFF, ON INST SCENE MENU SECTION J Select the Scene feature of the thermostat. Default = OFF After the last item, the control returns to the first item in the menu. © 2007 D 541 - 08/07 8 of 24... -
Page 9: Schedule Menu
SECTION N USER ON, TMPY, OFF Select whether the backlight displays permanently, INST temporarily, or is off. The temporary backlight lasts Default = TMPY for 30 seconds. Continued on next page. 9 of 24 © 2007 D 541 - 08/07... - Page 10 541, Software Version USER Product number of this thermostat. Hold the Up button to view the software version. INST After the last item, the control returns to the first item in the menu. © 2007 D 541 - 08/07 10 of 24...
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Page 11: Thermostat Operation
The Mode item is found in the Adjust menu. When Mode is set to Off, the thermostat does not operate except to provide freeze protection. • • Locate the Mode item in the Adjust menu. 11 of 24 © 2007 D 541 - 08/07... -
Page 12: Adjusting The Temperature
“TMPY HOLD” are shown on screen. Wait 10 seconds Press Up and Down buttons at the same time to cancel the temporary hold. © 2007 D 541 - 08/07 12 of 24... -
Page 13: Cycles Per Hour
Other (OTHR) blower and is then delivered into the building space. In applications where a non-hydronic heating system (furnace, electric baseboard, etc.) is installed, set the terminal unit to other. 13 of 24 © 2007 D 541 - 08/07... -
Page 14: Heating Operation
The Heat relay operates for the longer of these valve to fully open. two on times. • • When thermal motor zone valves are used set the Heat 1 Delay setting to On. © 2007 D 541 - 08/07 14 of 24... -
Page 15: Cool Groups
It does not track transitions where UnOcc the temperature setting drops from a high temperature to Optimum Optimum Optimum 65°F (18°C) Stop Stop Start a low temperature. Delay Period Recovery Period 15 of 24 © 2007 D 541 - 08/07... -
Page 16: Scenes
62°F Master Bedroom Master Bedroom Upstairs Upstairs Scheduled Event Scheduled Event Scheduled Event UnOccupied 62°F 70°F 70°F 70°F Guest Bedroom Guest Bedroom Downstairs Downstairs UnOccupied Scheduled Event Scheduled Event Scheduled Event © 2007 D 541 - 08/07 16 of 24... -
Page 17: Away Hold
Exercising helps prevent pump seizure. While the thermostat • • Heat Source is set to Other. is exercising, the display shows “Test”. • • DIP switch 2 is set to None. 17 of 24 © 2007 D 541 - 08/07... -
Page 18: Error Messages
Device is attempting to Keep pressing the Item Once error is corrected, show floor temperature button to find the actual the temperature can be but cannot because of error message displayed sensor problem. © 2007 D 541 - 08/07 18 of 24... - Page 19 The tN4 System Control DIP switch is set to None and the thermostat has detected a tN4 System Control. The thermostat does not operate until this error is corrected. The tN4 System Control DIP switch must be set to tN4 System Control. 19 of 24 © 2007 D 541 - 08/07...
- Page 20 ROOM, or the thermostat is connected to a tN4 System Control, the thermostat continues to operate. Otherwise, the thermostat stops operation. To clear the error, press either the Menu or Item button. If the error does not clear, contact your tekmar sales representative. ROOM SENSOR OPEN CIRCUIT Due to an open circuit, the thermostat failed to read the built-in sensor.
- Page 21 Notes 21 of 24 © 2007 D 541 - 08/07...
- Page 22 Notes © 2007 D 541 - 08/07 22 of 24...
- Page 23 Notes 23 of 24 © 2007 D 541 - 08/07...
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Page 24: Cleaning The Thermostat
Purchaser shall indem- such Product sale and acknowledges that it has read nify and hold tekmar harmless from and against any and all and understands same. claims, liabilities and damages of any kind or nature which...
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