Tekmar TekmarNet 552 Manuel utilisateur

tekmarNet®Thermostat 552

Installation & Operation Manual

D552

08/11

Zoning

Replaces: New

The tekmarNet®Thermostat 552

provides operation for:

One Stage Heat•

Introduction Features

Touchscreen

Bright Backlight

tekmarNet® Communication

Outdoor Temperature Display

Floor Temperature Display

7-Day, 4 Event Programmable

Schedule

Optimum Start

Scenes

Away Key

Air Group Member

Freeze Protection

Exercise Pump or Valves

Zone Synchronization

Floor Cooling Support

Two Auxiliary Sensor Inputs

•

Beneﬁts

Simple to Use

Increased Comfort Through

Precise Temperature Control

Conserves Energy

Convenience Through Internet

Connectivity

Warm Radiant Floors

Protects Radiant Floors From

Over Heating

•

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.

Getting Started

Installation

Table of Contents

Getting Started..............................2

Installation .........................................2

Caution..........................................2

Preparation....................................3

Removing The Thermostat Base...3

Mounting The Thermostat Base....4

Thermostat Wiring.........................4

Testing the Thermostat Wiring ......6

Mounting the Thermostat ..............8

Cleaning the Thermostat...............8

Switch Settings..................................8

User Interface....................................9

Home Screen ................................9

Symbols Description .....................9

Programmable Settings...................10

Programming Menus...................10

Set Temp Menu...................... 11-13

Time Menu .............................13-14

Schedule Menu ......................15-16

Display Menu..........................16-17

Scenes Menu ..............................17

Monitor Menu .........................18-20

Toolbox Menu........................ 20-22

Setup Menu............................23-24

Sequence of Operation....................25

Heating Operation.......................25

Radiant Floor Cooling Operation... 26

Air Group Operation....................27

Time Clock ..................................27

Temperature Adjustment.............28

Programmable Schedules...........29

Scenes (System Override) ..........30

Secondary Temperature Display....31

Access Levels .............................32

tekmarNet®Address....................32

Troubleshooting ...............................33

Error Messages......................33-37

Frequently Asked Questions .......38

Job Record..................................39

Technical Data.............................39

Limited Warranty and Product

Return Procedure........................40

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

tekmar or jeweller screwdriver

Phillips head screwdriver

•

Wire Stripper•

Tools Required

------------------------------------------------------

Materials Required

--------------------------------------------------

18 AWG LVT Solid Wire

(Low Voltage Connections)

• 2, #6 x 1” Wood Screws•

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 less than 90%. Non-condensing environment.

No exposure to extreme temperatures beyond 32-122°F (0-50°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 500 feet (150 m).

Strip wire to 3/8” (10 mm) for all terminal connections.

Use standard 4 conductor, 18 AWG wire.

•

Installation Location

-------------------------------------------------

Removing The Thermostat Base

To remove the thermostat base:

Locate the tab on the bottom of the

thermostat.

Push the tab with either your thumb or

with a screwdriver.

Lift the thermostat front away from the

thermostat’s base.

•

Thermostat Wiring

The thermostat operates a single heating system zone and can be wired in four

different ways.

tekmarNet®2- Allows the thermostat to be wired point-to-point using 2 wires to a

tekmarNet®2 Wiring Center, House Control, or Zone Manager. This allows easy

wiring for retrofit applications.

tekmarNet®4- Allows the thermostat to be wired using 4 wires to a tekmarNet®4

Wiring Center or Zone Manager. The tN4 communication bus can also be daisy-

chained to allow multiple thermostats to be connected together without home running

wires back to the mechanical room.

Stand Alone

- Simple 3 wire connection to a 24 V (ac) transformer and zone valve.

Stand Alone - Simple 3 wire connection to a switching relay or zone valve control.

Wall

Stud

Thermostat

Front

Thermostat

Base

If a gang box is not used:

Feed the wiring through the

large hole in the thermostat

base.

Mount the thermostat base

directly to the wall.

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.

Terminate wiring to the

wiring strip.

Push the thermostat front

onto the thermostat base.

•

Mounting The Thermostat Base

3 1/4”

(83 mm)

Thermostat

Front

Thermostat

Base

Stud

Gang

Box

If a single gang box is used:

Feed the wiring through the

large hole of the thermostat

base.

Fasten the base of the

thermostat to the gang box.

Terminate wiring to the

wiring strip.

Push the thermostat front

onto the thermostat base.

•

Wiring - tekmarNet®2

-------------------------------------------------

Wiring - tekmarNet®4

-------------------------------------------------

Wiring - Stand Alone to Transformer and Zone Valve

-------------------

tN2 tN2 C

tN2

tN4

tN2 RRh W1

No Power

S1 S2

Com

tN2 Wiring Center

tN2 House Control

tN2 Zone Manager

Optional Sensor 1

Optional Sensor 2

tN2

tN4

tN2 RRh W1

No Power

S1 S2

Com

tN4 C W

Optional Sensor 1

Optional Sensor 2

Install field jumper

wire R to Rh

tN4 Wiring Center

tN4 Zone Manager

tN2

tN4

tN2 RRh W1

No Power

S1 S2

Com

Optional Sensor 1

Optional Sensor 2

Install field jumper

wire R to Rh

Zone Valve

24 V (ac)

transformer

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 thermostat front.

2. Use an electrical meter to measure DC voltage between the tN2 terminals.

If the DC voltage is 0 V (dc) for at least 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 Thermostat Wiring

Testing tekmarNet®2 Wiring

------------------------------------------

Wiring - Stand Alone to Switching Relay or Zone Valve Control

---------

W(T)(T) R

24 V

W(T)(T) R

HNXX HNHN NL

Com Switching Relay

Zone 1 Zone 2 Zone 3

W(T)(T) R

tN2

tN4

tN2 RRh W1

No Power

S1 S2

Com

Optional Sensor 1

Optional Sensor 2

Install field jumper

wire R to Rh

Zone Pump N

Compatible Sensors

The thermostat is compatible with Indoor Sensor type 076, 077, 084, Floor Sensor type

072, 073, 079, and Outdoor Sensor type 070.

Testing the Power

1. Remove the front cover from the thermostat.

2. Use an electrical test meter to measure (ac) voltage between the R and C

terminals. The reading should be 24 V (ac) +/– 10%.

3. Install the front cover.

Testing the Heat Relay

1. Remove the front cover from the thermostat.

2. Touch the button and set the heating temperature below the current room

temperature. There should be no “Heat On” symbol on the display.

3. Set the electrical test meter to continuity.

4. Place electrical meter probes between R and W. There should be no continuity. If

there is continuity then there may be a wiring fault or the relay may be faulty.

5. Touch the button and set the heating temperature above the current room

temperature. Make sure the display does not show “WWSD”. The “Heat On”

symbol should appear on the display.

6. There should now be continuity between the R and W terminals.

Testing the tekmarNet®4 Bus Wiring

The symbol is shown on the display when communication is present. If the

thermostat is connected in a network and the communication is missing, there may

be an open or short circuit on the tN4 and C bus wires.

1. Remove the front cover from the thermostat.

2. To test for short circuits:

Disconnect the tN4 bus wires on one end.

Install wire nuts on each wire to ensure the wire ends are not touching.

Disconnect the tN4 bus wires on the other end.

Measure for continuity using an electrical meter.

If continuity is present, there is a short circuit fault along the wires. It is

recommended to replace the tN4 bus wires.

3. To test for open circuits:

Disconnect the tN4 bus wires on one end and connect them together.

Disconnect the tN4 bus wires on the other end.

Use an electrical meter to measure for continuity.

If there is no continuity, there is an open circuit fault along the wires. It is

recommended to replace the tN4 bus wires.

•

Testing tekmarNet®4 and Stand Alone Wiring

--------------------------

Testing the Heat Zone Output Wiring

1. Touch the button and set the heating temperature above the current room

temperature. Make sure the display does not show “WWSD” or “Floor Max”.

2. When the “Heat On” 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.

Mounting the Thermostat

Push the thermostat front onto the

thermostat base. Installation is now

complete.

Thermostat

Front

Push

Thermostat

Base

Switch Settings

The thermostats’s 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.

Cleaning the Thermostat

Switch

Position

Action

ON LOCK ACCESS LEVEL

Thermostat is locally locked and the access level cannot be changed.

Set to Lock when installation has been completed.

OFF

UNLOCK ACCESS LEVEL

Thermostat is unlocked and the access level may be changed. Go to

the Toolbox menu to change the access level. Set to Unlock during

the installation process.

Note: tekmarNet®system controls include a Global Lock that locks all

connected thermostats. Set the tekmarNet

system control to unlock

to allow access level adjustment on all connected thermostats.

tNt 552

One Stage Heat

Mmm YYYY

Lot # 12345

Meets Class B:

Canadian ICES

FCC Part 15

Power: 24 V ±10% 50/60 Hz 1.7 VA

Relay: 24 V (ac) 2 A

1051-03

Switch Settings:

Use at least 75°C conductors

For instructions see brochure Designed and

assembled in Canada

Setback

Scene

None

Cool Master 1

Oﬀ

Unlock

123

tekmarNet

Thermostat 552

One Stage Heat

Mmm YYYY

Lot # 12345 Meets Class B: ICES & FCC Part 15

Power: tN2 or 24 V (ac) ±10% 1.8 VA

Relay: 24 V (ac) 2 A

1051-03

Switch

Settings

www.tekmarcontrols.com

Designed and assembled in Canada

Lock

Unused

Unlock

Back of

Thermostat

HEAT ON

Heat is turned on.

SUN

Operating at the occupied (day)

temperature.

MOON

Operating at the unoccupied

(night) temperature.

tekmarNet®

Communication is present.

WARNING SYMBOL

Indicates an error is present.

ARROWS

Adjust the displayed setting.

SCENE AWAY

Operating at Away temperature.

TEMPORARY HOLD

Hold for 3, 6, 9 or 12 hours.

WWSD

Warm Weather Shut Down.

COOL

Cooling system is on.

MIN or MAX

Reached the room min or max.

MIN FL or MAX FL

Reached the floor min or max.

Home Screen

Symbols Description

User Interface

Adjust

the Time.

Adjust the

Schedule.

Display the

Floor or Outdoor

temperature.

Away Key.

Turn the

Heat on

or Off.

Home Button.

Return to the ‘Home’

Screen from any menu.

Press and hold for 3

seconds to access the

programming menus.

Adjust the Temperature.

Room

Temperature.

The touchscreen of the 552 provides one touch access to these settings.

Home

Button

Programmable Settings

Press and hold the Home button for 3 seconds to enter the programming menus.

The thermostat returns to the last programming menu previously used.

Programming Menus

Select a Programming Menu

-----------------------------------------

Touch “NEXT” to advance (clockwise in above illustration) to the next menu.

Touch “BACK” to go backwards (counterclockwise in above illustration) through

the menus.

Touch “ENTER” to enter a menu.

Setting Items

--------------------------------------------------------

Touch or arrow to adjust the setting if required.

Touch “NEXT ITEM” to advance to the next item within the menu.

Touch “BACK ITEM” to go backwards to the previous item within the menu.

To return to the parent menu after changing a setting, press and release the

home button.

To return to the home screen, press and release the home button twice or wait

30 seconds to automatically return to the home screen.

•

Press and

hold for 3

seconds to

access the

programming

menus.

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