Watts 521 Operating instructions

Watts
Brand
Watts
Model
521
Category
Thermostats
Type
Operating instructions

This manual is also suitable for

© 2014 521_Q - 02/14
1
A Watts Water Technologies Company
1. Location
2. Remove Mounting Base
3. Installation to Wall
Programmable Thermostat 521
Quick Setup Guide
521
_
Q
02/14
Zoning
Replaces: 01/14
Exterior
Wall
Interior
Wall
5 feet
1.5 m
Wall
Thermostat
Front
Thermostat
Base
Behind
Door
© 2014 521_Q - 02/14
2
A Watts Water Technologies Company
4. Installation to Gang Box
5. Wiring
3
1
/4"
(83 mm)
Stud
Gang
Box
Thermostat
Front
Thermostat
Base
Adapter Plate 012
TT
C
N
L
R
2
1
8
7
3
4
5
6
R Y G
C R
Y/W2
Rc GGRh W1 S1 S2Com
No Power
Boiler
Air
Conditioner
Pump
Transformer
Relay
003
Slab
Sensor
079
© 2014 521_Q - 02/14
3
A Watts Water Technologies Company
7. User Interface
6. Switch Settings
Switch
Position
Action
1
ON
LOCK ACCESS LEVEL
Thermostat is 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 Setup menu to change the access level. Set to Unlock during
the installation process.
2
ON
H/C/F
Thermostat is configured to operate one stage heating, one stage
cooling and fan.
OFF
1H OR 2H
Thermostat is configured to operate one or two stage heating with
a fan.
Sa
Floo
r
F
F
MIN
Heat On
Cool On
Room Floor
Heat Cool
Off
MAX
MODE
FrThWeTuMoSu
P
ON
OFF
All specifications are subject
to change without notice
4 521_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 (521_D) available from www.tekmarControls.com
8. Critical Settings
Press and hold down both the
and
buttons together to enter the Programming
Menus.
While in the Programming Menus, the MODE button changes function to become the
MENU button.
Press the MENU button to change from one menu to the next.
While in the Programming Menus, the HOLD button changes function to become the
PRGM (program) button.
Press the PRGM button to enter the menu.
While inside a menu, the HOLD button changes to become the ITEM button.
Press the ITEM button to change from one setting to the next.
Setting Display
ACCESS
Selects the access level of the thermostat, which determines
which menus and items are available.
SENSOR 1
Select the type of auxiliary sensor 1.
SENSOR 2
Select the type of auxiliary sensor 2.
ROOM SENSOR
Select if the built-in room temperature sensor is on or off.
Room
W2 RELAY
Select if a second stage heat is available.
W2 DELAY
Select the time delay of that the second stage must wait
before turning on.
W2 DIFFERENTIAL
Select the differential below the Set Heat setpoint at
which the second stage heat can turn on.
FAN MODE
Select how the fan should operate together with the W1,
W2 or Y relays.
© 2014 521_Q - 02/14
5
Une Entreprise de Watts Water Technologies
1. Emplacement
2. Retirez la base de montage
3. Installation au mur
Derrière
porte
Mur extérieur
Mur intérieur
5 pi.
1,5 m
Mur
Base de
thermostat
Façade du
thermostat
Programmable Thermostat 521
Guide d'installation rapide
521
_
Q
02/14
Zonage
Remplace: 01/14
© 2014 521_Q - 02/14
6
Une Entreprise de Watts Water Technologies
4. Réglages des commutateurs
5. Filage
TT
C
N
L
R
2
1
8
7
3
4
5
6
R Y G
C R
Y/W2
Rc GGRh W1 S1 S2Com
No Power
Chaudière
Climatiseur
Pompe
Transformateur
Relais
003
capteur
de sol
079
Boîte
électrique
Goujon
Plaque
adaptrice 012
3 1/4"
(83 mm)
Base de
thermostat
Façade du
thermostat
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Watts 521 Operating instructions

Watts
Brand
Watts
Model
521
Category
Thermostats
Type
Operating instructions
This manual is also suitable for
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