Ademco W8735ER01 Model W8735 Envirocom Wireless Bridge User Manual

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Document ID	1765456
Application ID	uZ1edcC5ZlTAU4UUAvUgLQ==
Document Description	User Manual
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Permanent Confidential	No
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Document Type	User Manual
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Filesize	59.49kB (743678 bits)
Date Submitted	2012-08-13 00:00:00
Date Available	2012-08-13 00:00:00
Creation Date	1999-07-07 12:30:47
Producing Software	Acrobat Distiller 9.5.1 (Windows)
Document Lastmod	2012-08-07 16:45:15
Document Title	66-1202—01 - W8735ER Wireless Outdoor Reset Module
Document Creator	FrameMaker 9.0
Document Author:	Honeywell ECC Technical Communications

W8735ER Wireless Outdoor Reset
Module
INSTALLATION INSTRUCTIONS
FEATURES
• RedLink™ wireless communication protocol
• Fast wireless connection to outdoor sensor
• Enables Boiler Outdoor Temperature Reset
• Enables Warm Weather Shutdown
• Enables Boost Override
• Simple low-voltage, 3-wire installation to combustion
control (3 EnviraCOM)
• EnviraCOM™/RedLink Enabled
INSTALLATION
When Installing this Product...
1.
2.
APPLICATION
The W8735ER Wireless Outdoor Reset Module, when
connected to the C7089R1013 Wireless Outdoor Sensor,
works with any AquaReset enabled Aquastat® such as the
L7224/48 Aquastat, S9360/61/80 Integrated Boiler Control,
and R7910 SOLA Control via the EnviraCOM™ 3-wire bus.
The Wireless Outdoor Reset Module enables efficiency
control functionality, such as Outdoor Temperature Reset,
Boost function, and Warm Weather Shutdown function to
generate average operational savings of up to 15%.
SPECIFICATIONS
Electrical Ratings: Voltage: 24 Vac, 60 Hz.
3.
4.
Read these instructions carefully. Failure to follow them
could damage the product or cause a hazardous condition.
Check the ratings given in the instructions and on the
product to make sure the product is suitable for your
application.
The installer must be a trained, experienced service
technician.
After installation is complete, check out product operation as provided in these instructions.
CAUTION
Electrical Shock Hazard.
Can cause electrical shock or equipment damage.
Disconnect power supply before connecting wiring.
5.
6.
7.
The Outdoor Reset Module can be wall mounted in any
orientation desired or dictated by the surroundings.
The holes are sized for the #6 sheet metal screws
(included).
Precise leveling of the product is not required.
Environmental Ratings:
Temperature: -30 °F to +150 °F (-34 °C to +66 °C).
Humidity: 0 to 95% relative humidity, non-condensing.
Accessories (Can be ordered separately):
C7089R1013 Wireless Outdoor Temperature Sensor
66-1202-01
W8735ER WIRELESS OUTDOOR RESET MODULE
WIRING
C7089R INSTALLATION
Mount Outdoor Sensor
CAUTION
Do not mount the W8735ER on a metallic surface
Before installing the C7089 sensor, make sure 2 AA (lithium
preferred) batteries are inserted. See Fig. 2.
as this can interfere with reception.
CAUTION
Electrical Interference (Noise) Hazard.
Can cause erratic system operation.
Keep wiring at least one foot away from large inductive
loads such as motors, line starters, lighting ballasts
and large power distribution panels.
Use shielded cable to reduce interference when
rerouting is not possible.
1.
2.
Disconnect power.
Mount the Wireless Outdoor Temperature Control Module with the supplied hardware.
Wire the 1, 2, and 3 terminals on the Outdoor Reset
Module to the 1, 2, and 3 terminals on the EnviraCOM™
enabled thermostat (if available), Aquastat, Integrated
Burner Control, SOLA, or anywhere on the bus where
access to the EnviraCOM bus is available and convenient. See Fig. 1.
Turn power on.
Bind the C7089R Wireless Outdoor Sensor to the Wireless Outdoor Reset Module. See “Sensor Binding” on
page 3.
3.
4.
5.
M32937
Fig. 2. Battery Installation
1.
Mount the sensor bracket on a vertical wall. at least 6
inches below any overhang. Choose a location protected from direct sunlight. See Fig. 3.
M28491
5-1/32
(128)
5-9/16
(141)
W8735ER1000
Wireless
Outdoor Reset Module
POWER
WIRELESS SETUP
CONNECTED
CONNECT
FLASHING: CONNECTING TO REMOTE DEVICE(S)
EnviraCOM
ENABLED
CONTROL
GREEN: CONNECTED TO REMOTE DEVICES(S)
RED: REMOTE DEVICE(S) NOT COMMUNICATING
M28849A
Fig. 3. Mounting the Sensor Bracket and Sensor
EnviraCOM
BUS
4-13/32
(112)
2.
3.
4-9/16
(116)
1-1/4
(32)
M33912
Fig. 1. W8735ER Wireless Outdoor Reset Module wiring
diagram.
66-1202—01
Mount the sensor bracket in the selected spot.
Once the sensor is bound to the W8735ER (see SENSOR BINDING), place the sensor in the bracket, facing
away from the wall.
W8735ER WIRELESS OUTDOOR RESET MODULE
Sensor Binding
6.
The C7089R Outdoor Sensor must be bound with the
W8735ER Wireless Outdoor Reset Module in order for
communication between the two controls to be established.
7.
NOTE: Pressing the CONNECT button on either the
W8735ER or wireless sensor for 15 seconds or
more will result in the unbinding of the wireless
sensor and deactivation of the OTC functionality.
To rebind the sensor to the W8735ER follow
steps 1-7 in this section.
When the W8735ER Wireless Outdoor Temperature Module
is powered but not bound to a sensor, the POWER LED will be
ON (green) and the CONNECTED LED will be OFF.
1. Remove the cover from the C7089R to expose the
CONNECT button.
2. Press the CONNECT button on the W8735ER until the
CONNECTED LED flashes green (1 blink/second) after
approximately five seconds of flashing red. If the sensor
is not bound within the next 15 minutes the W8735ER
times out and the CONNECTED LED will turn OFF.
3. While the CONNECTED LED flashes green on the
W8735ER, press the CONNECT button on the C7089R
sensor.
4. The CONNECTED LED will start to blink fast (4 blinks/
second).
NOTES:
—
—
NOTE: If flashing doesn’t speed up to 4 blinks/second,
the sensor and the W8735ER have not bound.
Repeat step 4. If binding is not successful during
a 15 minutes period, the W8735ER will time
out. Repeat steps 2 through 4. Make sure the
W8735ER and the sensor are positioned at least
3 feet apart during the binding process.
5.
Once the C7089R sensor and the W8735ER bind, the
CONNECTED LED on the W8735ER will be ON solid
(green).
Place sensor cover back on the sensor and return the
sensor to the bracket. See Fig. 3.
—
Once the flashing rate goes back to 1 blink/second,
press the CONNECT button on the W8735ER to end
the binding process.
If the W8735ER is bound to a sensor but the sensor signal is lost, the CONNECTED LED will be
ON (red).
Once the sensor is bound to the W8735ER and
the module is connected to the EnviraCOM communication bus as described in the WIRING section of this document, hold the sensor where you
intend to install it and check for the outdoor temperature to be displayed on the combustion control. If the outdoor temperature is not displayed,
change the positioning of the sensor.
If the W8735ER is not successfully bound to
C7089R within five minutes of power up, the
W8735ER will generate a missing sensor alarm.
See Table 6 for a complete listing of EnviraCOM
alarms and trobuleshooting guide.
66-1202—01
W8735ER WIRELESS OUTDOOR RESET MODULE
OPERATION
1203 Installation Instructions for more information. For SOLA,
set-up of the reset curve is done using the S7910 or S7999
display (See Form Numbers 65-0315, 66-1175, and 68-0295
for more information.)
General
The W8735ER Wireless Outdoor Reset Module is a device
which when connected to an AquaReset enabled Electronic
Aquastat, Integrated Boiler Control (IBC) or SOLA control via
the EnviraCOM™ communication bus, enhances the available
control features to include Outdoor Temperature Reset, a
stepped Boost function as well as Warm Weather Shutdown
to provide increased boiler efficiency while servicing the heat
demand. Set-up of the Outdoor Setback curve as well as the
Boost function is done using the 3-digit/3-button display on the
L7224/L7248 Aquastat (see L7224 Installation Instructions
Form Number 69-1720 and/or Form Number 68-0281 for
more information). For the IBC setup see Form Number 66-
Adjusting Aquastat and IBC Settings
To discourage unauthorized/unintentional changing of
Aquastat and IBC settings, a procedure to enter the
ADJUSTMENT mode is required. To enter the ADJUSTMENT
mode, press the UP, DOWN, and I buttons (See Fig. 4)
simultaneously for three seconds. Next, press the I button until
the feature requiring adjustment is displayed then use the
arrow up/down buttons to set the parameter value (See Table
4). After 60 seconds without any button inputs, the controller
will automatically return to the normal display mode.
THREE-DIGIT
DISPLAY
T 3
BUTTONS
ZR
LINE
L1
L2
C2
B2
C1
B1
ZC
BUTTONS
THREE-DIGIT
DISPLAY
GND
M33913
Fig. 4. Location of L7224/L7248 and S936X 3-digit display and buttons.
Outdoor Reset
exists, the boiler is only one part of the system that includes
thermostats, other controls, and radiation. To maximize
savings while avoiding call-backs due to uncomfortable
homeowners, care must be taken when adjusting the control
parameters. Listed below are operation and adjustment
pointers. See Fig. 5.
The Outdoor Reset feature adjusts the target boiler
temperature to a point below its local high limit setting and
above the boiler's condensation temperature by using the
EnviraCOM communication bus to directly adjust the Aquastat
set-point. Should a call for Domestic Hot Water be detected,
the boiler temperature is commanded to return to the High
Limit setting, ensuring a hot water supply is available. When
the Domestic Hot Water demand is met, the Outdoor Reset
feature is once again enabled. See Table 1 and Fig. 5.
Low Boiler Temperature: This is the minimum temperature
at which the boiler is designed to operate. Setting this too low
during warmer periods may result in condensation in the boiler
and reduce boiler life. Typically this setting is 130 °F (54 °C)
for gas boilers and 140 °F (60 °C) for oil boilers and is
adjusted to be maintained at the high outdoor temperature
setting. Some new cast iron boilers are designed to operate at
lower temperatures. Consult the manufactures' specifications.
Application and Settings Pointers
The energy savings concept behind Outdoor Reset is to
minimize the energy in the boiler that is lost during the off
cycle. This is accomplished by maintaining the boiler
temperature as low as possible and/or running the boiler for
longer periods of time. Although considerable energy savings
66-1202—01
Low Outdoor Temperature: As the outdoor temperature
decreases, the boiler temperature must increase to provide
more heat to the space. The Low Outdoor Temperature
W8735ER WIRELESS OUTDOOR RESET MODULE
Boost
(design temperature) is the point at which the boiler should be
set to its high limit setting. Setting the boiler temperature too
low during the coldest periods will result in the inability to keep
up with heat demand. This is the critical setting in avoiding
call-backs.
If heat demand is not met within a certain time period while
the boiler is in setback mode (following the Outdoor Reset
curve), a Boost Period is invoked where the boiler set point is
increased by a value called the Boost Step. Each time the
Boost Period elapses and heat demand is not satisfied, the
boiler set-point is again increased by the Boost Step, up to the
maximum setting provided by the High Limit setting (see Table
2 and Fig. 5). Boost is reset when the heat demand is satisfied
(local or remote call for heating has ended). Simply reaching
the boiler set-point does not reset the Boost. Continuous
Boost calls may be an indication of a poorly set Outdoor Reset
Curve for the environment or faulty equipment. For the
Aquastat, a Boost warning will be indicated on the 3-digit
Aquastat display if Boost is required on 60 consecutive cycles.
See Table 5.
High Outdoor Temperature: This is the outdoor temperature
for which the Low Boiler Temperature is set. This is the
parameter that most impacts energy savings. Setting the High
Outdoor Temperature too high results in less energy savings
as the boiler may run at a higher temperature during warmer
weather than necessary to maintain comfort in the space.
Setting this parameter too low will result in too narrow a range
for the control to be adjusting boiler temperature. In most
cases the default of 40 °F (4.4 °C) is fine.
NOTE: In many cases these parameters will not need to
be adjusted as their default values are designed
to accommodate mid-Atlantic and lower New
England areas.
For the Aquastat, the Boost Period can be set from OFF to a
range of 5 minutes to 30 minutes, adjustable in 1 minute
increments. The default setting is 10 minutes. The Boost Step
can be set from Off to a range of 5 F (-15 C) to 20 F (-7 C).
CAUTION
Possible Equipment Damage
For the IBC, the Boost Period is fixed at 30 minutes and the
Boost Step is fixed at 5 °F. See Table 2.
When enabling the Outdoor Reset function, be sure to
refer to the boiler OEM’s instructions for the lowest
return water setting to avoid condensation in the heat
exchanger, which can result in equipment damage.
Table 2. Boost Settings and Defaults.
Aquastat
Table 1. Outdoor Reset Curve Settings and Defaults.1
Parameter name
Boost Period
Aquastat
Parameter
High Limit
Minimum
value
Maximum
value
130 °F
(54 °C)
240 °F
(116 °C)
180 °F
(82 °C)
-40 °F
(-40 °C)
40 °F
(4.4 °C)
0 °F
(-18 °C)
Minimum Boiler
temperature
80 °F
(27 °C)
180 °F
(82 °C)
130 °F
(54 °C)
Maximum Outdoor
Temperature
30 °F
(-1 °C)
70 °F
(21 °C)
40 °F
(4.4 °C)
Minimum Outdoor
Temperature
Boost Step
Default
Maximum
Value
Default
5 minutes
(or Off)
30 minutes
10 minutes
5 F (or Off)
20 F
10 F
IBC
Parameter name
Value1
Boost Period
30 minutes
Boost Step
5 F (or Off)
For the IBC, both the Boost Period and Boost Step are fixed
parameters and can not be adjusted.
Warm Weather Shutdown - Aquastat
IBC
Parameter
High Limit
Minimum Outdoor
Temperature
Minimum Boiler
temperature
Maximum Outdoor
Temperature
Minimum
value
Minimum
value
Maximum
value
The Warm Weather Shutdown feature causes a “Warm Start”
boiler to shut down when the outdoor temperature exceeds a
specified value. Warm Start boilers maintain a minimum
temperature by setting the Low Limit on the Aquastat. If
enabled this features cancels the Low Limit setting when the
outdoor temperature exceeds a specified value.
Default
130 °F
(54 °C)
220 °F
(104 °C)
180 °F
(82 °C)
-40 °F
(-40 °C)
40 °F
(4.4 °C)
0 °F
(-18 °C)
130 °F
(54 °C)
150 °F
(56 °C)
140 °F
(60 °C)
40°F
(12.7 °C)
70 °F
(21 °C)
40°F
(12.7°C)
CAUTION
Zone Panel Settings
In applications with zoning panels having a priority
zone for domestic hot water: Disable the warm
weather shutdown feature on the Aquastat.
Minimum values, Maximum values and Default High Limit
settings shown are for the L7224U and the S9361 IBC. Values may change for other Aquastats and IBCs. Check the
specific Aquastat and/or IBC Installation Instruction manual
for more information on default settings.
The Warm Weather Shutdown feature can be set from OFF to
a range of 40 °F (4.4°C) to 70 °F (21 °C), adjustable in 10
degree increments. The default setting is OFF. See Table 3.
66-1202—01
W8735ER WIRELESS OUTDOOR RESET MODULE
Table 4. Programming Parameters.
Table 3. Warm Weather Shutdown Settings and Defaults.
Parameter name
Warm Weather
Shutdown
Minimum
value
Aquastat
Maximum
Value
40 F (or Off) 70 F
Default
Off
BOILER
TEMPERATURE
High Limit.
Hdf
High Limit Differential.
LL**_
Low Limit.
Ldf
Low Limit Differential.
ELL*** ZR input configured as External Low Limit (ON/OFF)
HIGH LIMIT
BOOST
STEP
MINIMUM BOILER
TEMPERATURE
HL_
MINIMUM
OUTDOOR
TEMPERATURE
duu
ZR input configured as external Domestic Hot Water
(DHW) request (ON/OFF)
ASC
Anti Short Cycle Timeout (seconds); “OFF” is
disabled.
otL
Outdoor Temperature Low (minimum) parameter for
the outdoor reset curve (F or C)*
otH
Outdoor Temperature High (maximum) parameter for
outdoor reset curve (F or C)*
btL
Boiler Temperature Low (minimum) parameter for
outdoor reset curve*
bP
Boost Period (minutes). “OFF” is displayed if Boost is
inactive*
bS
Boost step (F or C) shown only if Boost is active
(bP=ON)*
BOOST
OUTDOOR
MAXIMUM
TEMPERATURE
OUTDOOR
TEMPERATURE
M29557
Fig. 5. Outdoor temperature setback curve with boost.
As Outdoor Temp reaches the Warm Weather Shutdown setpoint (if enabled), the boiler is kept from cycling and will only
service DHW demands if the Aquastat Zr terminal is
configured for Domestic Hot Water request. See Table 4 on
page 6.
UUS
Warm Weather Shutdown Temperature (F or C)*
tPL**
Thermal Purging Limit Temperature (F or C),
“OFF” if disabled.
tPt**
Thermal Purging Time Delay (minutes), shown only
if tPL is enabled
PC
Pump Cycling (ON/OFF)
F-C
Temperature units (F or C)
*Settings available for adjustment on the 3-digit Aquastat
display only when the “Outdoor Reset Module” is installed.
**Not displayed when connected to an L7248 Aquastat
Control.
***Only displayed when connected to an L7248L Aquastat
Control.
IBC
HL_
66-1202—01
High Limit.
Hdf
High Limit Differential.
Or_
Pump Overrun Time
otL
Outdoor Temperature Low (minimum) parameter for
the outdoor reset curve (F or C)
otH
Outdoor Temperature High (maximum) parameter for
outdoor reset curve (F or C)
btL
Boiler Temperature Low (minimum) parameter for
outdoor reset curve
tPL
Thermal purging minimal temperature (Parameter is
available only if outdoor temperature is invalid)
tPt
Maximal Thermal Purge time (Parameter is available
only if outdoor temperature is invalid)
rSt
Reset Lockout
F-C
Temperature units (F or C)
W8735ER WIRELESS OUTDOOR RESET MODULE
WIRELESS OUTDOOR RESET MODULE ALARMS AND
TROUBLESHOOTING
The W8735ER Wireless Outdoor Reset Module’s enhanced diagnostics provides information alerting of deteriorating boiler
efficiency or if the system is not running optimally. Outdoor reset-related errors can be displayed on diagnostic tools and displays.
Errors are also displayed on the Aquastat's 3-digit display. See Table 5 for available Outdoor reset-related error codes.
Table 5. Aquastat Outdoor Reset Related Error Codes.
Error
Code
EnviraCOM
Alarm
Cause/Action
Err 9a
Warning: Outdoor Reset System failure; communication to Outdoor Reset Module lost, Outdoor
Reset Module failure, multiple outdoor temperature sensors detected on the bus, or outdoor
temperature sensor failure. Check EnviraCOM wiring (1, 2, 3), check sensor wiring.
50, 53, 149
Err 10a
Warning: Boost Failure; Boost Mode active at least once per cycle for the last 60 consecutive
cycles. Check Outdoor Reset curve settings.
150
Err 11a
DHW Module Sensor failure.
Warning: DHW System failure; communication to DHW Module lost, DHW Module failure, or
temperature sensor failure. Check EnviraCOM wiring (1, 2, 3), check sensor wiring.
146, 147, 148
a Warnings
are generated to enunciate the system is not operating optimally, but the Aquastat is still operating and maintaining
boiler temperature. In the instance where an Outdoor Reset Module is used, the warnings may indicate a reset curve setting
error one or more features is not running optimally, and the Aquastat is reverting to default settings or has stopped running the
Outdoor Reset algorithms. The warnings are cleared when the issue(s) is resolved.
NOTE: Aquastat alarms reset automatically once the alarm condition has been resolved. Alarms can also be reset by
cycling power if the alarm condition is no longer present.
Table 6. EnviraCOM Outdoor Reset Alarms and Troubleshooting.
Alarm Desription
EnviraCOM
Alarm
Troubleshooting
Duplicate Outdoor Temp Alarm Present
50
Only one outdoor sensor (wired/wireless) is allowed.
Ensure no other outdoor sensors is connected.
Outdoor Temp Sensor Low Battery Alert
156
Replace sensor batteries
Outdoor Sensor Missing/Failure
53
Outdoor sensor failure. Replace sensor.
Missing Outdoor Temp Sensor
149
Module not bound within 5 minutes of power-up or lost once
enrolled. Check batteries
66-1202—01
W8735ER WIRELESS OUTDOOR RESET MODULE
Regulatory information
Information sur Ia reglementation
FCC Compliance Statement (Part 15.19) (USA only)
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
1 This device may not cause harmful interference, and
2 This device must accept any interference received, including interference that may cause undesired operation.
Adaptateur sans fll
Pour être conformes aux limites d’exposition aux
radiofréquences établies par la FCC et Industrie Canada pour
le grand public/l’exposition non contrôlée, la ou les antennes
employées par le transmetteur doivent être installées sur une
structure extérieure permanente à au moins 20 cm de
distance de toute personne et ne peuvent être situées au
même endroit qu’une autre antenne ou un autre transmetteur
ou fonctionner conjointement avec une autre antenne ou un
autre transmetteur.
FCC Warning (Part 15.21) (USA only)
Changes or modifications not expressly approved by the party
responsible for compliance could void the user’s authority to
operate the equipment.
FCC Interference Statement (Part 15.105 (b)) (USA only)
This equipment has been tested and found to comply with the
limits for a Class B digital device, pursuant to Part 15 of the
FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential
installation. This equipment generates uses and can radiate
radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications. However, there is no
guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference
to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to
try to correct the interference by one of the following
measures:
Industrie Canada Alinéa 7.1.5 de CNR-GEN
Le fonctionnement de ce système est assorti aux deux
conditions suivantes :
1 L’appareil ne peut causer d’interférences nuisibles, et
2 L’appareil doit accepter les interférences reçues, y compris
celles qui pourraient nuire à son fonctionnement.
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and
receiver.
• Connect the equipment into an outlet on a circuit different
from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician
for help.
Wireless adapter
To comply with FCC and Industry Canada RF exposure limits
for general population/ uncontrolled exposure, the antenna(s)
used for these transmitters must be installed to provide a
separation distance of at least 20 cm from all persons and
must not be co-located or operating in conjunction with any
other antenna or transmitter.
Section 7.1.5 of RSS-GEN
Operation is subject to the following two conditions:
1 this device may not cause interference, and
2 this device must accept any interference, including interference that may cause undesired operation of the device.
Automation and Control Solutions
Honeywell International Inc.
1985 Douglas Drive North
Golden Valley, MN 55422
customer.honeywell.com
® U.S. Registered Trademark
© 2012 Honeywell International Inc.
66-1202—01 M.S. 08-12
Printed in United States

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Title                           : 66-1202—01 - W8735ER Wireless Outdoor Reset Module
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