Orion System OE742-XX-VAVZ - Manual (Page 28)

Form: Orion-OE738-RectSlvZoneKit-SUB-01B
Page 1 of 1
Description
The OE738 Rectangular Slaved-VAV/Zone
Damper Kit provides a new solution for rectan-
gular damper applications. The OE738 Rectan-
gular Slaved-VAV/Zone Damper Kit is used in
conjunction with rectangular dampers for appli-
cations in systems when it is not possible or
practical to use a single large Rectangular
VAV/Zone Air Damper to satisfy the zones CFM
requirements.
The rectangular dampers may be purchased
from WattMaster or you may get them from the
supplier of your choice. For proper airflow con-
trol, WattMaster recommends the use of low
leakage opposed blade dampers. The Rectan-
gular Slaved-VAV/Zone Damper Kit is supplied
with the slave wiring interface card and actuator
factory mounted in a sheet metal enclosure. A
total of two Slaved-VAV/Zone Air Dampers may
be used in conjunction with a master Rectan-
gular VAV/Zone Damper Kit. The Rectangular
Slaved-VAV/Zone Air Damper(s) are wired in
parallel with the master Rectangular VAV/Zone
Damper Kit and track the movement of the
master Rectangular VAV/Zone Damper. Connection to the master Rectangular VAV/Zone Damper Kit requires a
Slave Wiring Adapter Kit, part # OE267 which is supplied with each Rectangular Slaved-VAV/Zone Damper Kit.
The kit connects the zone controller on the master to the master actuator and provides wiring terminals for wiring
to the Rectangular Slaved-VAV/Zone Damper Kit(s). Only one Slaved Wiring Kit is required for each Slaved-
VAV/Zone system. Each kit is supplied with mounting hardware and installation instructions.
Mounting
The rectangular damper should be mounted in the ductwork according to standard duct installation practices be-
fore installing the Rectangular Slaved-VAV/Zone Damper Kit. The Rectangular Slaved-VAV/Zone Damper Kit is
simply slid over the damper shaft, the actuator shaft collar setscrews tightened and the supplied self tapping
screws are used to mount the enclosure to the ductwork. Detailed mounting and installation instructions are pro-
vided with each kit. A knockout is provided in the front access cover, which can be punched out for damper shaft
lengths which extend past the enclosure depth. When mounting the Rectangular Slaved-VAV/Zone Damper Kit,
be sure to allow clearance for removal of the access cover. Conduit knockouts are provided in the top and bottom
of the enclosure for simplified wiring installation.
OE738 - Slaved-VAV/Zone
Rectangular Damper Kit
Technical Data OE 738 Rectangular Slaved-Zone Damper Kit
Actuator: OE 738 Damper Kit Features:
Supply Power 24 Volt AC Enclosure Base 22 Ga. Galv. Steel
Power Consumption 3.4 VA Maximum Enclosure Cover 22 Ga. Galv. Steel
Operating Temperature 10 ° F to 149 ° F Conduit Openings Top - (2) ½ & ¾” Comb. Knockouts
Operating Humidity 90% RH Non-Condensing Bottom - (2) ½ & ¾” Comb. Knockouts
Shaft Clearance Front - (1) ½ & ¾” Comb. Knockout
Inputs: Controls Factory Mounted inside the Enclosure
Actuator Position Feedback Mounting Hardware Supplied with (4) Self Tapping Screws
Instructions Included with Each Kit
Controls Access Cover is Removable by
Loosening 2 Screws
Actuator Rating 35 in/lbs (6 ft 2 Damper Area Max.)
WattMaster reserves the right to change specifications without notice
Three Year Warranty
13.5
8.0
12.15
5.75
Dimensional Data
Component View