Ademco W8735ER01 User Manual
66-1202-01
W8735ER Wireless Outdoor Reset
CAUTION
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
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.
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
When Installing this Product...
1. Read these instructions carefully. Failure to follow them
could damage the product or cause a hazardous condition.
2. Check the ratings given in the instructions and on the
product to make sure the product is suitable for your
application.
3. The installer must be a trained, experienced service
technician.
4. After installation is complete, check out product opera-
tion as provided in these instructions.
Electrical Shock Hazard.
Can cause electrical shock or equipment damage.
Disconnect power supply before connecting wiring.
5. The Outdoor Reset Module can be wall mounted in any
orientation desired or dictated by the surroundings.
6. The holes are sized for the #6 sheet metal screws
(included).
7. Precise leveling of the product is not required.
W8735ER WIRELESS OUTDOOR RESET MODULE
CAUTION
CAUTION
M33912
5-9/16
(141)
5-1/32
(128)
1-1/4
(32)
4-9/16
(116)
4-13/32
(112)
X
3
2
1
W8735ER1000
Wireless
Outdoor Reset Module
POWER
WIRELESS SETUP
CONNECTED
CONNECT
FLASHING: CONNECTING TO REMOTE DEVICE(S)
GREEN: CONNECTED TO REMOTE DEVICES(S)
RED: REMOTE DEVICE(S) NOT COMMUNICATING
EnviraCOM
BUS
3
2
1
EnviraCOM
ENABLED
CONTROL
M28849A
WIRING
Do not mount the W8735ER on a metallic surface
as this can interfere with reception.
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. Disconnect power.
2. Mount the Wireless Outdoor Temperature Control Mod-
ule with the supplied hardware.
3. 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.
4. Turn power on.
5. Bind the C7089R Wireless Outdoor Sensor to the Wire-
less Outdoor Reset Module. See “Sensor Binding” on
page 3.
C7089R INSTALLATION
Mount Outdoor Sensor
Before installing the C7089 sensor, make sure 2 AA (lithium
preferred) batteries are inserted. See Fig. 2.
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.
Fig. 1. W8735ER Wireless Outdoor Reset Module wiring
diagram.
M28491
Fig. 3. Mounting the Sensor Bracket and Sensor
2. Mount the sensor bracket in the selected spot.
3. Once the sensor is bound to the W8735ER (see SEN-
SOR BINDING), place the sensor in the bracket, facing
away from the wall.
66-1202—01 2
W8735ER WIRELESS OUTDOOR RESET MODULE
Sensor Binding
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.
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).
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 flashing rate goes back to 1 blink/second,
press the CONNECT button on the W8735ER to end
the binding process.
6. Once the C7089R sensor and the W8735ER bind, the
CONNECTED LED on the W8735ER will be ON solid
(green).
7. Place sensor cover back on the sensor and return the
sensor to the bracket. See Fig. 3.
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.
NOTES:
— If the W8735ER is bound to a sensor but the sen-
sor 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.
3 66-1202—01
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