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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 dampers
to an individual zone. Connect no more than five dampers
to the panel when using one 40 VA transformer; connect no
more than ten dampers when using two 40 VA transformers.
Use SDCR for additional dampers required.
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
ARD
3
W8835A 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-1
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