© 2014 538_Q - 02/14
1
A Watts Water Technologies Company
1. Location
2. Remove Mounting Base
3. Install Mounting Base
Thermostat
Base
Adaptor
Plate 007
Switch
Box
OR
Thermostat
Base
Wall
Exterior
Wall
Interior
Wall
5 feet
1.5 m
tekmarNet
®
4 Thermostat 538
Quick Setup Guide
538
_
Q
02/14
Zoning
Replaces: 12/13
Behind
Door
© 2014 538_Q - 02/14
2
A Watts Water Technologies Company
4. Wiring
5. Switch Settings
Switch
Position
Action
1
ON
SETBACK Allow thermostat to respond to
available schedule. Requires Timer 033.
OFF OFF No setback schedule response.
2
ON
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.
4
ON Not used
OFF Not used
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
Switch Setting Location
© 2014 538_Q - 02/14
3
A Watts Water Technologies Company
6. Close Thermostat
pivot
tab
8. Critical Settings
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.
• 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
7. User Interface
All specifications are subject
to change without notice
4 538_Q - 02/14.
Product design, software and literature are Copyright ©2014 by tekmar Control Systems Ltd.,
A Watts Water Technologies Company. Head Offi ce: 5100 Silver Star Road, Vernon, B.C.
Canada V1B 3K4, 250-545-7749, Fax. 250-545-0650
Web Site
: www.tekmarControls.com
For a full list of settings and operational details, please refer to the thermostat
Installation and Operation Manual (538_D) included with compatible
tekmarNet
®
controls or download the brochure from www.tekmarcontrols.com
8. Critical Settings (Continued)
Display Range Access Description
°F or °C
Default =
°F
Installer
User
TEMPERATURE UNITS
Press the or the button to
change from °F to °C and vice
versa.
Set To:
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.
Set To:
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.
Set To:
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.
Set To:
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.
Set To:
© 2014 538_Q - 02/14
5
Une Entreprise de Watts Water Technologies
1. Emplacement
2. Retirez la base de montage
3. Installez la base de montage
Mur extérieur
Mur intérieur
5 pi.
1,5 m
Commutateur
boîte
OU
Mur
Plaque
adaptrice 007
Base de
thermostat
Base de
thermostat
tekmarNet
®
4 Thermostat 538
Guide d'installation rapide
538
_
Q
02/14
Zonage
Remplace: 12/13
Derrière
porte
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tekmar 538 Quick Set-up
- Type
- Quick Set-up
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