Honeywell W8735ER Installation Instructions Manual Download Page 2

W8735ER WIRELESS OUTDOOR RESET MODULE

66-1202—01

2

WIRING

CAUTION

Do not mount the W8735ER on a metallic surface 

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.

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 conve-

nient. 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.

Fig. 1. W8735ER Wireless Outdoor Reset Module wiring 

diagram.

C7089R INSTALLATION

Mount Outdoor Sensor

Before installing the C7089 sensor, make sure 2 AA (lithium 

preferred) batteries are inserted. See Fig. 2.

Fig. 2. Battery Installation

1.

Mount the sensor bracket on a vertical wall. at least 6 

inches below any overhang. Choose a location pro-

tected from direct sunlight. See Fig. 3.

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.

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

M32937

M28491

M28849A

Summary of Contents for W8735ER

Page 1: ...munication 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 Read these instructions carefully Failure to follow them could damage the product or cause a hazardo...

Page 2: ...ower on 5 Bind the C7089R Wireless Outdoor Sensor to the Wire less Outdoor Reset Module See Sensor Binding on page 3 Fig 1 W8735ER Wireless Outdoor Reset Module wiring diagram C7089R INSTALLATION Mount Outdoor Sensor Before installing the C7089 sensor make sure 2 AA lithium preferred batteries are inserted See Fig 2 Fig 2 Battery Installation 1 Mount the sensor bracket on a vertical wall at least ...

Page 3: ...e 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 but...

Page 4: ...rature 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 ...

Page 5: ...oint 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 For the Aquastat the Boost Period can be set from OFF to a range of 5 minutes to 30 minutes adjustable in 1 m...

Page 6: ...ture 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 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 on...

Page 7: ...power if the alarm condition is no longer present Table 5 Aquastat Outdoor Reset Related Error Codes Error Code Cause Action EnviraCOM Alarm 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...

Page 8: ... to try to correct the interference by one of the following measures 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...

Reviews: