Connecting The Bypass Box - Toshiba Q9 Installation And Operation Manual

Flowsaver/bypass low voltage variable torque hvac inverter
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Connecting the Bypass Box

The Bypass Box input and output power lines connect to the Q9 ASD via the wire chase of the upper
section of the Bypass Box as shown in
The wire size used shall be in accordance with the specifications listed in the section titled
Terminal Specifications on pg.
Connect the Q9 ASD to the Bypass Box as follows:
1.
Connect the L1, L2, and L3 terminals of the Q9 ASD to the L1, L2, and L3 terminals of the Bypass
Box, respectively, via terminal block PDB1.
2.
Connect the T1, T2, and T3 terminals of the Q9 ASD to the T1, T2, and T3 terminals of the Bypass
Box, respectively, via terminal block PDB1.
Note:
3.
Open the front door of the Q9 ASD and remove the lower front cover.
4.
Loosen the Torx
5.
Slide the factory-installed Terminal Board downward to remove it from the Q9 ASD.
6.
Insert the Interface Board (P/N 58100) into the Q9 ASD (slide upwards). Ensure that the male S106
connector of the Interface Board seats securely into the female connector of the Q9 ASD.
7.
Secure the Interface Board using the Torx
Note:
8.
Connect the ribbon cable (P/N 76295) to CN7 of the Interface Board.
9.
Route the cable through the wire chase of the Bypass Box towards the lower section of the Bypass
Box. Ensure that the cable is routed away from power circuits as much as possible.
10. Connect the ribbon cable to CN7A of the Terminal Board (P/N 53750).
11. Replace the lower front cover and close the door of the 9-Series ASD.
12. Close the door of the Bypass Box.
System Grounding
Proper grounding helps to prevent electrical shock and to reduce electrical noise. The ASD is designed
to be grounded in accordance with Article 250 of the NEC or Section 10/Part One of the Canadian
Electrical Code (CEC).
The grounding conductor shall be sized in accordance with Article 250-122 of the NEC or Part One-
Table 6 of the CEC.
The input, output, and control lines of the system shall be run in separate metal conduits and each shall
have its own ground conductor.
Ensure that the Torx
operation, or system failure.
— T h e M e t a l O f C o n d u i t I s N o t A n A c c e p t a b l e G r o u n d —
Q9 FlowSaver Installation and Operation Manual
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.ctiautomation.net - Email: info@ctiautomation.net
41.
The Bypass Box version of the FlowSaver requires that the control Interface Board be
used to connect the Terminal Board to the Control Board via the 25-pin ribbon cable
(P/N 76295) as described below and shown in
screw of the Terminal Board at the upper-right corner.
The Torx
screw at the upper-right side of the Interface Board does not require much
torque to secure the Interface Board into the 9-Series ASD. Once the Torx
begins to resist turning, less than ½ of a turn is required to tighten securely.
screw of the Interface Board is securely in place to prevent arcing, intermittent
Figure 5 on pg.
22.
Figure 5 on pg.
screw of the Terminal Board at the upper-right corner.
Cable/
22.
screw
21

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