Tekmar 538 User manual

1 of 2 © 2011 Q 538 - 12/11
tekmarNet®4 Thermostat 538
Q 538
12/11
Zoning Replaces: 08/10
Quick Setup Guide
12 34
tN4 Wiring Center
or
tN4 Zone Manager
Slab Sensor 072, 073, 079
OR
Outdoor Sensor 070
OR
Indoor Sensor 076, 077, 084
tN4 C W
R
1234
tNt 538
538
One Stage Heat
Mmm YYYY Lot # 12345
Meets Class B: Canadian ICES FCC Part 15
Power: 24 V ±10% 50/60 Hz 1.8 VA
56 VA fully loaded
Relay: 24 V (ac) 2 A
1001-03
tN4
1
C
2
R
3
W
4
65
Sensor
Switch Settings:
For instructions see brochure
Use at least 75°C conductors
Setback
Scene
Lock
Not used
ON
Not used Unlock
Off
Off
No Power
Location1. Remove Mounting Base2.
Install Mounting Base3. Wiring4.
Switch Settings5.
Switch Position Action
1ON SETBACK Allow thermostat to respond to
available schedule. Requires Timer 033.
OFF OFF No setback schedule response.
2ON SCENE Allow thermostat to respond to
scenes. Requires User Switch 479.
OFF OFF No scene response.
3
ON LOCK Locked to ‘User’ access level. Set
to Lock when installation completed.
OFF UNLOCK Unlock to access all settings.
Set to Unlock during installation.
4ON Not used
OFF Not used
Close Thermostat6.
pivot
tab
Thermostat
Base
Adaptor
Plate 007
Switch
Box
OR
Thermostat
Base
Wall
Exterior
Wall
Interior
Wall
5 feet
1.5 m
Switch Setting Location

Product design, software and literature are Copyright © 2011 by:
tekmar Control Systems Ltd. and tekmar Control Systems, Inc. 2 of 2 All specifications are subject to change without notice. Printed in Canada. Q 538 - 12/11.
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. [phone] Web Site: www.tekmarcontrols.com
User Interface7.
Critical Settings8.
For a full list of settings and operational details, please refer to the thermostat Installation and Operation Manual
(D538) included with compatible tekmarNet®controls or download the brochure from www.tekmarcontrols.com
Display Range Access Description Set to
°F or °C
Default = °F
Installer
User
TEMPERATURE UNITS
Press the or the button to change from °F to
°C and vice versa.
H1
H1
ADJUST
ADJUST
SUPPLY
OFF or On
Default = On Installer
HEAT SUPPLY PUMP
During heating, select whether or not the system supply
pump should turn on or be off to allow a zone group
pump per manifold.
Available when:
A reset control is present on the tekmarNet®system.•
H1
H1
ADJUST
ADJUST
SUPPLY
OFF or On
Default = OFF 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.•
On or Off
Default = On Installer
ROOM SENSOR
Select whether the built-in air temperature sensor is
on or off.
Available when:
A floor sensor or room sensor is installed on the
auxiliary sensor input.
Off, Room,
Outdoor,
Floor, Floor
dSP
Installer
AUXILIARY SENSOR
Select the type of auxiliary sensor.
Floor dSP = Show floor sensor reading in upper
number field.
Available when:
Auxiliary sensor automatically detected.
• 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.
Press
+
Together
The following settings are essential to the successful operation of the system.
Important Note: Set switch setting #3 and tekmarNet®system control to Unlock to change Access level to Installer. Return to Lock
setting once installation has been completed.