tekmar 654 Quick Start [en, fr, es]

Quick Setup Guide

Snow Melting Control 654

1.

Location

Exterior

Wall

2. Remove Mounting Base

Behind

Door

Interior

Wall

5 feet

1.5 m

Snow Melting

654_Q

02/14

Replaces: 01/14

3. Install Mounting Base

Base

3 1/4”

(83 mm)

4. Switch Settings

LOCK ACCESS LEVEL

The control is locally locked and the access level cannot be changed. Set to Lock
when installation has been completed.

UNLOCK ACCESS LEVEL

Unused

The control 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.

Back of
Control

1058-01

Switch

Settings

Lock

ON

1

Unlock

2

Stud

Gang
Box

Base

or

Stud

Wall

A Watts Water Technologies Company

1

© 2014 654_Q - 02/14

5. Wiring

Transformer 009

L
N

TT–+

Modulating

Boiler

Relay 003

3
4
5
6

Optional

Snow / Ice Sensor

090 or 094

Snow

Sensor 095

Snow

Or And/Or

Sensor

095

Slab Sensor
072 or 073

tN4

Communication

R
C

2
1
8
7

C tN4

Relay 003

3
4
5
6

Brn

Slab

No Power

Brn

Mod

2
1
8
7

tN4Aux Ht R C

Slab

+

Out/

BlkYel Blu Red Sup

Com–

Bret

Supply
Sensor

082

BlkYel Blu Red

Com

Outdoor

Sensor

070

Brn

Slab

BlkYel Blu Red

Com

System

Pump

LNG

115 V (ac)

6. Install the Control

Base

Front

7. User Interface

Status Field

Operation

Field

Touch to turn system

off while away

Touch to

Melt or Stop

Touch to

adjust settings

Home

Button

ENTER

Touch to display
Run Time,
Outdoor & Slab
Temperature

Touch to quickly enter
the View menu

Touch to go to the
next setting

Home Button
Return to the
Home Screen

Press and hold for 3
seconds to access the
programming menus.

A Watts Water Technologies Company

2

© 2014 654_Q - 02/14

8. Critical Settings

The System Menu provides settings on how to configure and operate the mechanical equipment.

Item Field Description

APPLICATION MODE

Select the control application mode.
PWM = Hydronic Pulse Width Modulation.
BOIL = Hydronic boiler heats snow melting

system.
MIX = Hydronic mixing valve or injection

pump heats snow melting system.
ELEC = Electric snow melt.
090 = Tandem Snow/ Ice Detection
Default = PWM

SNOW / ICE SENSOR

Select if a Snow / Ice Sensor 090 or 094, or
Snow Sensor 095 is installed.

Default = 090

SLAB SENSOR

Select if a Slab Sensor 072 or 073 is installed
to measure the slab temperature.

Default = ON

SLAB PROTECTION

Select if the slab should be protected from
large temperature differentials to avoid
cracking the concrete due to high tensile
stress.

Default = ON

Item Field Description

ECONOMELT

EconoMelt allows the user to mechancially
remove snow then manually start the system
to melt the thin snow layer or ice.

Default = OFF

tekmarNet® SYSTEM PUMP

Select if the system pump located on the
tekmarNet® System Control should operate
when the snow melt zone is heating.

Conditions: Application Mode is set to
PWM, Boil or Mix and Boiler Type is set
to CTRL (tN4 control).

Default = ON

AUXILIARY RELAY

Select if the auxiliary relay should function
as system pump or as an alert.

Default = SYS

MAXIMUM MELT TIME

Select to limit the amount of melting run
time.

Default = 3.0 days

OUTDOOR/BOILER RETURN SENSOR

Select if the Out/Bret wiring terminal is
connected to an outdoor sensor or a boiler
return sensor.

Default = OUT

tekmar Control Systems Ltd., A Watts Water Technologies Company.

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

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,

3

All specifications are subject to change without notice.

Printed in Canada. 654_Q - 02/14.