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ProportionAir PA470-D Use Manual

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PA470-D TEST BOX INSTALLATION & USE GUIDE

Product Description

The PA470-D is a troubleshooting tool that allows you to check the command signal input, the analog
monitor output, and power supply of your standard¹ QB3 (and other units with differential input using
the same connector) using an electrical multimeter without having to gain access to electrical connec-
tions in a cabinet which may be remotely mounted. The PA470-D consists of the test box and 2 pin tip
patch cords (PN H4444). See Figures 1 and 2.
¹ If the QB control valve has any special modifications, consult factory before wiring the box.

Product Operation

Set up

1. Remove the cord from the unit to be tested and plug it
into the PA470-D.
2. Plug the cord from the PA470-D into the unit to be
tested.
3. Plug one of the H4444 patch cord into the white jacks
(W1 and W2).
4. Plug the other H4444 patch cord into the red jacks (R1
and R2). See figure 3
Figure 1
Figure 2
1/4
PA470-D
5/3/05 NK/AH
Figure 3
PA470-D INSTALLATION

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Summary of Contents for ProportionAir PA470-D

  • Page 1: Product Description

    The PA470-D consists of the test box and 2 pin tip patch cords (PN H4444). See Figures 1 and 2.
  • Page 2 2. Set your multimeter to milliamps. 3. Put positive probe in W1 white jack. Place nega- tive probe in W2 white jack. 4. Reading should be the same as the controller is outputting to the unit. See figure 6 Figure 6 PA470-D INSTALLATION...
  • Page 3 QB2) is sensing. If this value is 0 or is a fixed value regardless of what happens downstream, the analog monitor may not be functioning or the second loop transducer may be inoperable. See fig- ure 7. Figure 7 PA470-D INSTALLATION...
  • Page 4 QB2) is sensing. If this value is 0 or is a fixed value regardless of what happens downstream, the analog monitor may not be functioning or the second loop transducer may be inoperable. See fig- ure 8. Figure 8 PA470-D INSTALLATION...

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