Tyco Raychem HWAT-ECO Manuel utilisateur
HWAT®-ECO
Installation and Operation
Manual
Electronic controller for hot water
temperature maintenance systems
A
F
B
C
D
E
Item Qty Description
A 1 HWAT-ECO controller
B 1 Water heater sensor with 13 ft (4 m) cable
C 2 Mounting screws
D 2 Mounting washers
E 1 Aluminum tape
F 1 Manual
HWAT ®-ECO
Installation and Operation
Manual
Electronic controller for hotwater
temperature maintenance systems
Figure 1: Kit contents
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Table of Contents
1. General Information
1.1 Use of the Manual ....................................................................1
1.2 Features....................................................................................1
1.3 Technical Data .......................................................................... 2
1.4 Care and Maintenance .............................................................. 5
1.5 HWAT Heating Cables...............................................................5
1.5.1 Maintain temperature.....................................................5
1.5.2 Installing the heating cables ..........................................5
1.5.3 Ground-fault protection ................................................. 6
1.5.4 Pre-Installation testing...................................................6
2. Installation
2.1 Installing the Controller ............................................................ 7
2.1.1 Opening the controller ...................................................7
2.1.2 Wall mounting the controller .........................................8
2.2 Wiring the Controller .............................................................. 10
2.2.1 Water heater sensor.....................................................13
2.2.2 Alarm wiring ................................................................ 15
2.2.3 Network .......................................................................16
2.2.4 Building Management System (BMS).......................... 18
2.2.5 Closing the controller...................................................20
3. Programming the Controller
3.1 Programming Overview..........................................................22
3.2 Initializing the Controller.........................................................23
3.2.1 Time and Date.............................................................. 24
3.2.2 Cable type .................................................................... 24
3.2.3 Voltage.........................................................................24
3.2.4 Units ............................................................................24
3.2.5 Ambient temperature ................................................... 24
3.2.6 Maintain temperature................................................... 25
3.2.7 Economy temperature.................................................. 26
3.2.8 Default programs......................................................... 26
3.2.9 Water heater sensor.....................................................26
3.3 Advanced Programming.......................................................... 28
3.3.1 Time and Date.............................................................. 30
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3.3.2 Setup ...........................................................................30
3.3.3 Timer ...........................................................................33
3.3.4 Holiday.........................................................................35
3.3.5 Info ..............................................................................35
4. Troubleshooting Guide................................................. 36
5. Pre-Defined Programs................................................................... 38
Heat-Up Cycle Graphs...................................................................40
Cool-Down Graph..........................................................................42
Power supply (green LED)
Power to heating cable (green LED)
Heat-up cycle (green LED) - increased risk of scalding
Water heater alarm (requires installed sensor) that lowers maintain
temperature if water heater temperature is too low (green LED)
Alarm (red LED)
Escape, backspace; NO; or display maintain temperature setpoint
Arrow keys: to change menu selection or position the cursor
Confirm selection, new value or YES
6.5"
(165 mm)
2 ea - 1/2" conduit
entries To water heater sensor
To HWAT-ECO network/alarm
entries
3.4"
(85 mm)
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B
C
D
E
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G
H
A
B
C
D
E
F
G
H
Figure 2: HWAT-ECO controller
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1.1 Use of the Manual
This manual covers the installation and operation of the
HWAT-ECO controller and must be used with the following
additional documents:
• HWAT System Product and Selection Design Guide
(H57538)
• HWAT System Installation and Operation Manual
(H57548)
Important: For the Tyco Thermal Controls warranty and
agency approvals to apply, the instructions included in this
manual and product packages must be followed.
1.2 Features
The Raychem HWAT-ECO controller is designed for
operation with HWAT-Y2 and HWAT-R2 self-regulating
heating cables. The HWAT-ECO controller provides the
following features:
• Flexibletemperaturecontrolofhotwatertemperature
maintenance systems.
• Integratedfunctionthatlowersthemaintaintemperature
during low use hours to save energy.
• Heat-Upcyclefunctionthatincreasesthewatertemperature
in a stagnant pipe.
• BuildingManagementSystem(BMS)interfacethat
receives a DC voltage to set the maintain temperature.
• Alarmrelaytosignalpower,temperature,or
communication problems.
1
General Information
1
• Waterheatersensorfunctionthatalarmsandlowersthe
maintain temperature if the water heater temperature is
too low.
• Master/slavefunctionthatallowsoneHWAT-ECOto
control up to eight additional HWAT-ECO controllers.
• 9pre-definedprogramsthatcanbecustomizedbytheuser.
1.3 Technical Data
Use Only for HWAT-Y2 and
HWAT-R2 heating cables
Maintain temperature 105˚F (40˚C) to 140˚F (60˚C)
setpoint
Controller ambient 40˚F (5˚C) to 105˚F (40˚C)
temperature ambient
Switchingcapacity 24A208/240Vacmax.
SPST
Operating voltage 208/240 (±10%), 60 Hz
Internal power consumption 2.5 W
Circuitprotection Max.30Awith30mA
ground-fault protection
Power terminal block 16 – 10 AWG (1.5 – 4 mm2)
Use copper conductors only
Internal temperature alarm 185˚F (85˚C)
BMS control voltage 0 – 10 Vdc
Alarmcontacts Max.24Vdcor24Vac,1A,
SPST, voltage free, NO / NC
General Information
2
1
Alarm events Loss of power
Controller reinitialized
Internal controller
temperature too high
Water heater temperature
too high
Water heater temperature
too low
Master/slave error
Power correction factor To increase or decrease
your actual pipe maintain
temperature or adjust for
plastic pipe.
Water heater sensor Thermistor with 13 ft (4 m)
lead provided. A PT100 RTD
may be optionally used
Electromagnetic Complies to EN 50081-1/2
Compatibility (EMC) for emission and EN 50082-1/2
for immunity
Real time clock Leap year correction
Clock accuracy ±10 minutes per year
Enclosure rating NEMA 12 (IP54) – indoor
use only
Enclosure material ABS
Mounting Wall mount with two screws
or optional DIN rail
Conduit entries 2 ea – 1/2 in conduit entries
3
General Information
1
Cable gland 3-hole grommet
Maximumcablesize:
•2-wire:20AWG(0.5mm2)
•4-wire:24AWG(0.2mm2)
Default programs 9 pre-defined programs that
can be customized by user
Program settings 48 1/2-hour time blocks
of the following program
settings: Off, Economy,
Maintain and Heat-Up cycle
Password 4-digit password protection
Master/slave Master is selectable in the
controller, up to 8 slaves
can be connected
Master/slave cable 2-wire, min. 24 AWG
(0.2 mm2) twisted pair and
insulation of 300 V
Parameters in memory All parameters are stored in
non-volatilememory,except
time and date
Clock backup time Minimum 1 year with lithium
battery model 2025.
Approvals
80BJ
Type 12
Energy Management Equipment
Weight 2 lbs (1 kg)
Size 6.5inx3.4inx2.8in
(165mmx85mmx71mm)
General Information
4
1
1.4 Care and Maintenance
To clean the HWAT-ECO use a damp cloth. Do not use
solvents. Do not pour water directly on the device. Do not
use a water hose or high pressure cleaner.
In case of questions or product failure, please
contact your Tyco Thermal Controls representative,
or call Tyco Thermal Controls at (800) 545-6258.
1.5 HWAT Heating Cables
1.5.1 Maintain temperature
Depending on the ambient temperature and voltage,
HWAT-Y2 is designed to maintain temperatures up to
125˚F (52˚C), and HWAT-R2 is designed to maintain
temperatures up to 140˚F (60˚C).
1.5.2 Installing the heating cables
Install the HWAT heating cable system as instructed in
the HWAT System Installation and Operation Manual
(H57548). The controller must be installed by a profes-
sional electrical installer familiar with electrical safety
codes and practices.
Verify that the heating cable circuit length does not
exceedthevaluesshowninTable1:
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General Information
1
Table 1: Maximum circuit length in feet (meters)
30 Amp 800 (240) 500 (150)
20 Amp 500 (150) 330 (100)
15 Amp 350 (105) 250 (75)
Breaker HWAT-Y2 HWAT-R2
Size @208/240-volt @208/240-volt
1.5.3 Ground-fault protection
WARNING: To minimize the danger of fire from
sustained electrical arcing if the heating cable is damaged
or improperly installed, and to comply with the require-
ments of approvals agencies, Tyco Thermal Controls and
national and local electrical codes, you must use 30-mA
ground-fault equipment protection on each heating cable
branch circuit. Arcing may not be stopped by conventional
circuit protection. The HWAT-ECO does not include
ground-fault protection.
1.5.4 Pre-Installation testing
Prior to installing the HWAT-ECO controller, do an insulation
resistance (Megger) test on the heating cable as detailed
in the HWAT System Installation and Operation Manual
(H57548).
General Information
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Ce manuel convient aux modèles suivants
2
Table des matières
Autres manuels Tyco Système de contrôle
