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W8735G COMMUNICATION GATEWAY

3

69-2432—01

8.

Bundle the wires and tie-off using the two wire tie-offs 

molded into the base. See Fig. 3.

Fig. 3. Wiring Connections (4-Channel).

Table 1. W8735G Terminal Designations.

See Fig. 5 for a typical W8735G application.

W8735G Terminal Designation

Function

Channel 1

1/D (channel 1)

To EnviraCOM channel 1 network; DATA

2/R (channel 1)

To EnviraCOM channel 1 network; 24 Vac Hot

3/B (channel 1)

To EnviraCOM channel 1 network; 24 Vac Common

Channel 2

1/D (channel 2)

To EnviraCOM channel 2 network; DATA

2/R (channel 2)

To EnviraCOM channel 2 network; 24 Vac Hot

3/B (channel 2)

To EnviraCOM channel 2 network; 24 Vac Common

Auxiliary

Auxiliary Output (DO)

Connect to N.O. contact; alarm input

Auxiliary Output (DO)

Connect to N.O. contact; alarm input

Auxiliary Input (DI)

Connect to N.C. sensor contact; 18–30 Vac/Vdc

Auxiliary Input (DI)

Connect to N.C. sensor contact; 18–30 Vac/Vdc

Channel 3 (Model 1018 only)

1/D (channel 3)

To EnviraCOM channel 3 network; DATA

2/R (channel 3)

To EnviraCOM channel 3 network; 24 Vac Hot

3/B (channel 3)

To EnviraCOM channel 3 network; 24 Vac Common

Channel 4 (Model 1018 only)

1/D (channel 4)

To EnviraCOM channel 4 network; DATA

2/R (channel 4)

To EnviraCOM channel 4 network; 24 Vac Hot

3/B (channel 4)

To EnviraCOM channel 4 network; 24 Vac Common

SIDE VIEW SHOWING CHANNEL AND AUXILIARY PORTS

RUBBER GROMMET (X5)

M29956

WIRE

TERMINAL BLOCK

SCREW 

DRIVER

CHANNEL 1

CHANNEL 2

CHANNEL 3

CHANNEL 4

AUXILIARY

INPUT

AUXILIARY

OUTPUT

POWER

TELEPHONE

NETWORK

WIRE

TIE-OFF

WIRE 

TIE-OFF

WIRE

TIE-OFF

Summary of Contents for W8735G

Page 1: ...duct 2 Installer must be a trained experienced service techni cian 3 Complete all wiring connections to the gateway before powering up the 24Vac system transformer and plug ging in the gateway power supply into an outlet 4 All wiring must comply with applicable local electrical codes ordinances and regulations INSTALLATION Mount the W8735G in the equipment room near the indoor HVAC equipment Posit...

Page 2: ...allasts and large distribution pan els Failure to follow these wiring practices may intro duce electrical interference noise which can cause erratic system operation All unused wire is to be grounded at controller end only The bus wire to ter minal 1 D must not exceed 1 000 feet 305 M General Wiring Directions Refer to Fig 3 and Table 1 for the location and function of each terminal IMPORTANT Wire...

Page 3: ...ary Output DO Connect to N O contact alarm input Auxiliary Output DO Connect to N O contact alarm input Auxiliary Input DI Connect to N C sensor contact 18 30 Vac Vdc Auxiliary Input DI Connect to N C sensor contact 18 30 Vac Vdc Channel 3 Model 1018 only 1 D channel 3 To EnviraCOM channel 3 network DATA 2 R channel 3 To EnviraCOM channel 3 network 24 Vac Hot 3 B channel 3 To EnviraCOM channel 3 n...

Page 4: ...MMUNICATION GATEWAY TO OPTIONAL ENVIRACOM CONTROLS AND SENSORS M29961 1 D 2 R 3 B THERMOSTAT OPTIONAL REVIEW COMPONENTS AND ACCESSORIES SECTION FOR COMPATIBLE DEVICES 1 VISIONPRO IAQ 2 2 1 TELEPHONE POWER NETWORK 1 2 3 R7184U OIL PRIMARY CONTROL Status Event Priority Description LED Color Flashes Battery good LOWEST Normal Operation Green Solid Battery low Replace the battery Green Off Battery dea...

Page 5: ...se NOTE The Auxiliary Output is made on all alert conditions and is deactivated when the alert is cleared from the communication bus IMPORTANT Make sure the current draw through the Auxiliary Output terminals does not exceed specifications Use relays or contactors to integrate to line voltage devices Fig 6 AUX IN and AUX OUT Terminals located on the main circuit board Auxiliary Input and Output Ap...

Page 6: ...HANNEL 2 OUTPUT INPUT AUXILIARY POWER FROM THE AUXILIARY INPUT SUPPLIED BY TRANSFORMER 1 T87 OR SIMILAR 1 M23753 1 D 2 R 3 B 1 D 2 R 3 B COMBINATION OF DEVICES CONNECTED IN SERIES TO ANNUNCIATE ON ANY EVENT ON THE AUX IN LOOP 1 CHANNEL 1 CHANNEL 2 OUTPUT INPUT AUXILIARY 1 M23754 1 D 2 R 3 B 1 D 2 R 3 B N C N C COMBINATION OF DEVICES CONNECTED IN PARALLEL TO ANNUNCIATE ON AN AND EVENT ON THE AUX IN...

Page 7: ...ate the server every 30 minutes Applications requiring closer monitoring and faster updates should be connected to a network connection Upon power up the gateway will conduct a self test which includes a broadband or dial up attempt using a pre programmed 800 number Dial up connections are only used in cases where Broadband connections are unavailable For best performance connect to both Network a...

Page 8: ...his routine is repeated between midnight and 4 00 AM local time at which point dial out attempts cease The routine is repeated during the next reporting time of midnight 4 00 AM IMPORTANT For best gateway performance connect to both the network and phone Gateway Updates Periodically the gateway may require a firmware upgrade to enable new features supported by the web application This will occur a...

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