Installation Instructions

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Document No. 546-00091

Rev. 2, February, 2000

Laboratory Analog Output-Pneumatic (AO-P)

Module

Page 1 of 2

Product Description

The Laboratory Analog Output-Pneumatic (AO-P)

Module is the electro-pneumatic interface between

the Fume Hood Controller and the Pneumatic

Damper Actuator. The AO-P module applies specific

air pressure to the pneumatic actuator to move the

damper to its proper position.

Product Numbers

546-00090

Required Tools

• Medium duty drill

• Small socket set

• Small flat-blade screwdriver

• Medium flat-blade screwdriver

• Drill set

Prerequisites

• Placement of supply line and actuator with

1/4-inch (6 mm) tubing

• Fume Hood Controller is installed

• Optional, for conduit or metal enclosure

installations only

Expected Installation Time

15 minutes

Instructions

The Analog Output-Pneumatic (AO-P) Module

Installation Instructions consist of the following four

sections:

1. Mounting

2. Pneumatic Piping

3. General Wiring

4. Metal Enclosure Applications

NOTE:

If your installation requires conduit, then

proceed directly to Section 4.

Section 1: Mounting

NOTE:

Mount the AO-P module adjacent to the

pneumatic damper actuator.

1. Place the snap track for the AO-P module in the

desired mounting position.

2. Using both of the self-taping screws, electric

drill, and the 1/4-inch nut driver bit, mount the

snap track onto the mounting surface.

See Figure 1.

3. Tighten the screws to ensure that the snap track

will not vibrate.

4. Snap the AO-P module into the snap track and

verify that the module is securely fastened.

AO-P MODULE

REMOVED FOR CLARITY

2.00"

(50.8mm)

4.00"

(101.6mm)

MOUNTING

HOLES (2 PLS.)

1.50"

(38.1mm)

3.00"

(76.2mm)

FUM0244R1

Figure 1. AO-P Module Mounting Holes and

Dimensions.

SUPPLY

COMMON

EXHAUST

SUPPLY

(SUPPLY)

18-30 PSI

S (SUPPLY)

FILTER ASSY.

(ACTUATOR)

R (ACTUATOR)

EXHAUST

LED

MUFFLER ON

EXHAUST VALVE

SUPPLY

LED

EXHAUST

FUM0242R1

Figure 2. AO-P Module Layout.

Summary of content (2 pages)

PAGE 1
Installation Instructions Document No. 546-00091 Rev. 2, February, 2000 Laboratory Analog Output-Pneumatic (AO-P) Module Product Description The Laboratory Analog Output-Pneumatic (AO-P) Module is the electro-pneumatic interface between the Fume Hood Controller and the Pneumatic Damper Actuator. The AO-P module applies specific air pressure to the pneumatic actuator to move the damper to its proper position.
PAGE 2
Document No. 546-00091 Installation Instructions Rev. 2, February, 2000 Section 2: Pneumatic Piping 1. Remove the filter and tubing assembly from the box and push the end with the tubing onto the S (Supply) fitting of the AO-P module. 2. Using 1/4-inch O.D. tubing, connect the 18 to 30 PSI air supply to the filter inlet that was just installed on the AO-P module. See Figure 3. 3. Using 1/4-inch O.D. tubing, connect the pneumatic damper actuator to the R (Actuator) fitting on the AO-P module. See Figure 3.