W8835 ENVIRAZONE PANEL
68-0258ES—04 2
ORDERING INFORMATION
When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering number.
If you have additional questions, need further information, or would like to comment on our products or services, please write or
phone:
1. Your local Honeywell Automation and Control Products Sales Office (check white pages of your phone directory).
2. Honeywell Customer Care
1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386
In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Toronto, Ontario M1V 4Z9.
International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France,
Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
SPECIFICATIONS
Input Ratings:
Voltage: 20-30 Vac, 50/60 Hz.
Power: 11 VA nominal, Class II.
Output Ratings (dampers and HVAC equipment):
1.5A run, 200,000 cycles (30 Vac) 3.5A inrush.
1.5A run, 100,000 cycles (30 Vac) 7.5A inrush.
Humidity Ratings:
90 percent RH at 95°F, non-condensing.
Temperature Ratings:
Shipping: -20 to 120°F.
Operating: -40 to 150°F.
LED:
SYSTEM mode LEDs (5) used to communicate equipment
status:
Red Heat: Heat mode.
Green Cool: Cool mode.
Yellow Purge: Purge mode.
Green Fan: Fan mode.
Red Em Heat: Emergency Heat mode.
ZONE LEDs (3) used to communicate damper status:
Green: Dampers are open or opening.
No Color: Dampers are closed or closing.
COM LED (1) used to indicate communication status:
Flashing Green: Panel is transmitting or has received data.
No color: Communications are idle.
Dimensions: 12-3/4 in. W x 10-3/4 in. H x 1-7/8 in. D.
See Fig. 1.
Finish: W8835: Taupe cover, olive-gray base.
Mounting: Mounts with four screws (provided) through holes
in cabinet back (wall anchors provided).
Wiring: Eighteen-gauge wire for all equipment and system
connections.
Wiring Connections:
EnviraCom: Four terminal strips (each with three terminals
labeled 1, 2, 3).
Dampers: Three terminal strips labeled M6 (Closed),
M4 (Open), M1 (Common).
Transformer 1: R (hot), C (Common).
Transformer 2: T1 (hot), T2 (Common).
Equipment: Rc, Rh, W1/E, W2, W3/Aux, Y1, Y2, G, O/B.
Humidifier: HUM, HUM.
Dehumidifier: DHUM, DHUM.
Ventilator: VENT, VENT.
Thermostats:
VisionPRO® IAQ TH9421 or FocusPRO THM5320C Thermo-
stats controls single- or multi-stage conventional and heat
pump equipment.
Accessories:
For required accessories, see Table 2. Optional accessories
include the W8735 Telephone Access Module for
telephone dial-in and dial-out capability, and the W8703
Damper Interface Module to control additional zones.