Dampers:
See Table 1 for suggested dampers. Dampers are connected to
M1 Common, M4 Open, and M6 Closed (see Fig. 5 through 8
for hookups). Connect no more than five ARD or ZD dampers
to an individual zone.
Connect no more than five ARD or ZD dampers to the panel
when using one 40 VA transformer; connect no more than
ten ARD or ZD dampers when using two 40 VA transformers.
10-3/4
(273)
Honeywell Damper Type
For systems > 2000 cfm.
For systems <= 2000 cfm.
Use SDCR for additional dampers required. If using RRD
dampers, refer to RRD installation instructions for maximum
number of dampers.
Common/M1
Open/M4
Closed/M6
HEAT
COOL
PURGE
FAN
EM. HT.
12-3/4
(324)
Fig. 1. W8835 dimensions in in. (mm).
Table 1. Recommended Dampers
Round
MARD or RRD
ARD or RRD
3
W8835 ENVIRAZONE PANEL
Motor Terminal
Common
Power Open
Power Close
COMM
ZONE 1
ZONE 2
ZONE 3
TM
Rectangular
For recommended dampers, call the Honeywell
Zoning Hotline at 1-800-828-8367.
ZD
Damper Action
1-7/8
(47)
M20594
68-0258—04