tekmar 540 Quick Start

Quick Setup Guide

tekmarNet®4 Thermostat 540

Location1. Remove Mounting Base2.

Interior

Wall

5 feet

1.5 m

Exterior

Wall

Zoning

Q 540

12/11

Replaces: 08/10

Install Mounting Base3.

Plate 007

Thermostat

Base

Switch Settings5.

Switch

1

2

3

4

Adaptor

Thermostat

Base

OR

Switch

Box

Position

ON

OFF OFF No setback schedule response.

ON

OFF OFF No scene response.

ON

OFF

ON Not used

OFF Not used

Action

SETBACK Allow thermostat to respond to

available schedule. Requires Timer 033.

SCENE Allow thermostat to respond to
scenes. Requires User Switch 479.

LOCK Locked to ‘User’ access level. Set
to Lock when installation completed.
UNLOCK Unlock to access all settings.
Set to Unlock during installation.

Wall

Wiring4.

Fan

Cooling

G Y R

D

X

Cooling Equipment

tN4 Wiring Center

tN4 Zone Manager

Close Thermostat6.

pivot

tab

1 Stage
Cooling

1 Stage

Fan

or

7

G

6

Y

5

Rc

Use at least 75°C conductors
For instructions see brochure

tN41C2R3W

tN4 C W

4

R

540

ON

Switch Settings:

1001-01

Scene

Lock

Setback

Unlock

Off

Off

1234

12 34

Not used

Not used

tNt 540

One Stage Heat /
One Stage Cool / One Fan

Power: 24 V ±10% 50/60 Hz 1.8 VA
56 VA fully loaded
Relays: 24 V (ac) 2 A

Switch
Setting
Location

Mmm YYYY

Lot # 12345

Meets Class B:

Canadian ICES

FCC Part 15

1 of 2 © 2011 Q 540 - 12/11

User Interface7.

H1

ADJUST

Mode button

Auto, Heat, Cool, Off

Fan button

Switch between Auto or On

Critical Settings8.

The following settings are essential to the successful operation of the system.

Important

setting once installation has been completed.

Toget her

ADJUST

SUPPLY

For a full list of settings and operational details, please refer to the thermostat Installation and Operation Manual
(D540) included with compatible tekmarNet® controls or download the brochure from www.tekmarcontrols.com

Note: Set switch setting #3 and tekmarNet® system control to Unlock to change Access level to Installer. Return to Lock

Press

• 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.

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.

FAN MO DE

Select how the fan should operate together with heating

0, 1, 2, 3

Default = 1

Installer

and cooling.
0 = Manual operation only
1 = Operate fan with cooling only
2 = Operate fan with heating and cooling
3 = Operate fan with heating only

Hyd

(Hydronic)

or Oth

(Other)

Default =
Hydronic

Installer

HEATING TERMINAL TYPE

Select if the heating for this zone is hydronic or non­hydronic (other).
Available when:

A reset control is present on the tekmarNet®

•
system.

HEAT SUPPLY PUMP

During heating, select whether or not the system supply

OFF or On

Default = On

H1

Installer

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

•
AND Heating terminal type is set to Hydronic.

tekmar Control Systems Ltd., Canada, tekmar Control Systems, Inc., U.S.A.

Vernon, B.C. Canada V1B 3K4, 250-545-7749, Fax. [phone] Web Site: www.tekmarcontrols.com

Product design, sof tware and literature are Copyright © 2011 by:
tekmar Control Systems Ltd. and tekmar Control Systems, Inc.

2 of 2

Head Offi ce: 5100 Silver Star Road,

All specifications are subject to change without notice.

Printed in Canada. Q 540 - 12/11.