Tekmar TekmarNet 4 033 Manuel utilisateur

W033

10/07

tekmarNet®4 Timer 033

- Wiring Brochure

Overview

Information

Brochure

Choose controls

to match

application

1Application

Brochure

Design your

mechanical

applications

2Layout

Brochure

Rough-in

wiring

instructions

3Wiring

Brochure

Wiring and

installation of

specific control

4Job

Record

Record settings &

wiring details for

future reference

Data

Brochure

Control settings

and sequence of

operation

The following brochure describes how to wire the tekmarNet®4 (tN4) Timer 033. The 033 has one dry relay contact that

opens or closes based on the programmable schedule. The relay can be connected to the UnOccupied switch input on a

tekmar control or to other third party equipment. The 033 uses communication to indicate the schedule to a tN4 system.

Table of Contents:

Definitions.......................................................................2

Rough-In Wiring .............................................................2

Remove the Wiring Cover ..............................................3

Mounting the Timer ........................................................3

Wiring Symbols...............................................................3

Electrical Drawings......................................................3-4

Wiring the Timer .............................................................5

Troubleshooting the Wiring.............................................6

Testing the Wiring...........................................................6

Technical Data................................................................8

tN4

tN4 Timer 033

033

Made in

Canada

Mmm YYYY

Lot #

Meets Class B:

Canadian ICES

FCC Part 15

Power: 24 V ±10% 50/60 Hz 2.7 VA

Relay: 24 V (ac) 2 A

1011-03

Relay

For product instructions see brochure

Use at least 194°F (90°C) conductors 123

Switch Settings:

Relay NC

4 Schedules

1 Schedule

Relay NO

Relay

DIP

Switches

tN4

Network

24 V (ac)

Power

Relay

2 Cond. / 18 AWG Com

UnO Sw

3 Cond. / 18 AWG

Note: When multiple wires

run to the same equipment

location, wiring conductors

can share one wire jacket.

24 V (ac) Power

tN4 Network Zone Manager

Deﬁnitions

The following defined terms and symbols are used throughout this manual to bring attention to the presence of hazards of

various risk levels, or to important information concerning the life of the product.

– Caution: Refer to accompanying documents.

INSTALLATION

CATEGORY II – Local level appliances.

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

uses as a primary limit control. Other controls that are

Choose the placement of the Timer 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.

92% RH up to 104°F (40°C), down to 50% from 104

to 122°F (40 to 50°C). Non-condensing environment.

No exposure to extreme temperatures below 32°F (0°C)

or above 122°F (50°C).

Away from equipment, appliances, or other sources of

electrical interference.

•

Rough-In Wiring

Easy access for wiring, viewing, and adjusting the

display screen.

Approximately 5 ft. (1.5m) off the finished floor.

Use standard 18 AWG wire for the timer power, tN4, and

relay contact connections.

Refer to the diagram below to determine the number of

conductors to run from each piece of equipment to the

timer location.

•

intended and certified as safety limits must be placed into

the control circuit. Do not attempt to service the control.

Refer to qualified personnel for servicing. There are no

user serviceable parts. Attempting to do so voids warranty

and could result in damage to the equipment and possibly

even personal injury or death.

Mounting the Timer

If a single gang switch box is used, an Adaptor Plate 007

is required to mount the Timer to the box.

Fasten the base of the Timer to the adaptor plate.

Feed the wiring through the openings in the back of the

adaptor plate and Timer.

Use the upper and lower screw holes to fasten the

adaptor plate to the box.

•

Remove the Wiring Cover:

To remove the wiring cover:

Place a small slot screwdriver or similar tool into the slot

located on the top of the Timer.

While pushing against the plastic tab, pull the top of the

front cover so that it pivots around the bottom edge of

the Timer’s base.

•

The electrical drawing examples on the following

pages show the 033 in common applications. Choose

the drawing that most accurately depicts the components

in your system and use that drawing as a guide to aid in

wiring your system.

These are only concept drawings, not engineered

drawings. They are not intended to describe a complete

system nor any particular system. It is up to the system

Electrical Drawings

Wiring Symbols

Dry contact switch. Operates a device. tekmarNet®4

If a switch box was not used, mount the Timer directly to

the wall.

Feed the wiring through the openings in the back of

the Timer.

Use screws in the screw holes to fasten the Timer to

the wall. At least one of the screws should enter a wall

stud or similar rigid material.

•

designer to determine the necessary components for and

configuration of the particular system being designed

including additional equipment isolation relays (for loads

greater than the controls specified output ratings) and any

safety devices which in the judgement of the designer

are appropriate in order to properly size, configure and

design that system and to ensure compliance with building

and safety code requirements.

Stud

Switch

Box

Timer

Base

007 Adaptor

Plate

Timer 31/4”

(83 mm)

Stud

23/8”

(60 mm)

screwhole

23/8”

(60 mm)

screwhole

Timer

Base

Wall

Mounted on wallboardMounted on switch box

Item

Remove cover Push tab

Electrical Application 033 E1

Description:

Provides up to 4 programmable setback schedules for a single tekmarNet®4 system.

tN4

tN4 Timer 033

033

Made in

Canada

Mmm YYYY

Lot #

Meets Class B:

Canadian ICES

FCC Part 15

Power: 24 V ±10% 50/60 Hz 2.7 VA

Relay: 24 V (ac) 2 A

1011-03

Relay

For product instructions see brochure

Use at least 194°F (90°C) conductors 123

Switch Settings:

Relay NC

4 Schedules

1 Schedule

Relay NO

033

tN4 C R

Zone Manager

Electrical Application 033 E2

Description:

Provides a single setback schedule for a tekmar stand alone control system.

tN4

tN4 Timer 033

033

Made in

Canada

Mmm YYYY

Lot #

Meets Class B:

Canadian ICES

FCC Part 15

1011-03

Relay

For product instructions see brochure

Use at least 194°F (90°C) conductors 123

Switch Settings:

Relay NC

4 Schedules

1 Schedule

Relay NO

033

Com

UnO

UnOccupied

Switch Input

External Class 2

Transformer

24 V (ac)

Power: 24 V ±10% 50/60 Hz 2.7 VA

Relay: 24 V (ac) 2 A

For non-tN4 systems the tN4 terminal can be left empty.

On tN4 systems wire the tN4 communication to terminals

tN4 and C.

If a Zone Manager is used:

Connect the tN4 on the Timer to any available tN4 on

the Zone Manager.

Connect the C on the Timer to any available C on the

Zone Manager.

Note: This does not need to be repeated if the Timer is

and R have all been connected to the same zone, or the

same bus.

•

tN4 Communication Terminals 1, 2

On tN4 systems, Relay 1 is not required and the terminals

can be left empty.

On non-tN4 systems, wire the relay contact to the switch

terminals on the control system that will cause the

control system to change status (ie. go from Occupied to

Unoccupied).

Use these terminals as a switch to operate the setback

schedule for the control system.

•

Relay Terminals 4, 5

Wire 24 V (ac) to terminals C and R.

If a Zone Manager is used:

Connect C on the Timer to any available C on the Zone

Manager.

Connect R on the Timer to any available R on the Zone

Manager.

If a 24 V (ac) transformer is used:

Connect C on the Timer to C on the transformer.

Connect R on the Timer to R on the transformer.

•

Power (24 V (ac)) Terminals 2, 3

Wiring the Timer:

If a Zone Manager is not used:

Connect the tN4 on the timer to the tN4 on another tN4

device on the network.

Connect the C on the Timer to the C terminal on another

tN4 device on the same tN4 bus that the Timer’s tN4

wire is terminated on.

•

Timer

Zone Manager

or 24 V (ac)

Transformer

Timer

tN4 Thermostat or

Control

tN4 C

Control with

UnOccupied

Switch

Timer

Relay

45 Com UnO

tN4 C

Troubleshooting the Wiring

The following tests are to be performed using standard

testing practices and procedures and should only be carried

out by properly trained and experienced persons.

A good quality electrical test meter, capable of reading from

at least 0-300 V (ac), 0-2,000,000 Ohms, and testing for

continuity is essential to properly test the wiring.

General

Testing the Wiring

Testing 24 V (ac) Power Supply

1. Remove the front cover from the Timer.

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.

1. Navigate to the schedule menu that the Relay uses.

(Schedule 1 to 4)

2. Remove the front cover from the Timer.

3. Disconnect the wires from the relay contact.

4. Use an electrical test meter and check for continuity

across the relay.

If Switch 3 is set to NO, the Sleep or UnOcc segments

will display when continuity is present.

If Switch 3 is set to NC, the Wake or Occ segments will

display when continuity is present.

5. Reconnect the wires to the relay.

6. Install the front cover on the Timer.

•

033 LCD Display Segments

Display changes

depending on

Switch 3 setting.

Testing the Relay Contact

###

The symbol is shown on the display when communication

is present. If the timer 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. Test the wiring for short circuits:

a. Disconnect the tN4 bus wires on one end.

b. Install wire nuts on each wire to ensure the wire ends

are not touching.

c. Disconnect the tN4 bus wires on the other end.

d. Measure for continuity using an electrical meter.

e. If continuity is present, there is a short circuit fault

along the wires. It is recommended to replace the

tN4 bus wires.

Testing the tN4 Network

3. To test for open circuits:

a. Disconnect the tN4 bus wires on one end and connect

them together.

b. Disconnect the tN4 bus wires on the other end.

c. Use an electrical meter to measure for continuity.

d. If there is no continuity, there is an open circuit fault

along the wires. It is recommended to replace the tN4

bus wires.

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. (250) 545-0650

Web Site: www.tekmarcontrols.com

tekmar Control Systems Ltd. and tekmar Control Systems, Inc. 8 of 8 All specifications are subject to change without notice.

Printed in Canada. W033 - 10/07.

Technical Data:

tekmarNet®4 Timer 033

Control Microprocessor PID control; This is not a safety (limit) control

Packaged weight 0.46 lb. (210 g)

Enclosure J, white PVC plastic

Dimensions 2-7/8” H x 2-7/8” W x 13/16” D (73 x 73 x 21 mm)

Approvals CSA C US, CSA/UL 61010-1, meets Class B: ICES and FCC Part 15

Ambient conditions Indoor use only, 32 to 122°F (0 to 50°C)

92% RH up to 104°F (40°C), 50% RH if > 104°F (40°C)

Altitude <9840 feet (3000 m), Installation Category II, Pollution Category 2

Power supply 24 V (ac) ± 10% 50/60 Hz, 2.7 VA, NEC / CEC Class 2

Relay 24 V (ac) 2 A

Technical Data

The installer must ensure that this control and its wiring are isolated and/or shielded from strong sources of electromag-

netic noise. Conversely, this Class B digital apparatus complies with Part 15 of the FCC Rules and meets all requirements

of the Canadian Interference-Causing Equipment Regulations. However, if this control does cause harmful interference to

radio or television reception, which is determined by turning the control off and on, the user is encouraged to try to correct

the interference by re-orientating or relocating the receiving antenna, relocating the receiver with respect to this control,

and/or connecting the control to a different circuit from that to which the receiver is connected.

Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada.

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