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. Use SDCR for additional dampers
required. If using RRD dampers, refer to RRD installation
instructions for maximum number of dampers.
10-3/4
(273)
Honeywell Damper Type
Power-open/power-closed
(for systems > 2000 cfm).
Spring-open/power-closed
(for systems <= 2000 cfm).
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
D640/D642 using ML6161 Motor Actuator
ZD
Damper Action
1-7/8
(47)
M20594
68-0258ES—3