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E6581810 TOSVERT VF-AS1 VF-PS1 Conduit Box Kit Option Installation Manual NOTICE This instruction manual is for the installation of conduit box kits which are used for VF-AS1 and VF-PS1 inverters. Before installing, please read this manual carefully and be sure to...
E6581810 contents ・ 1. Safety precautions……………………………………………………………………………………………..….1 2. DC voltage test…………………………………………………………………………………………….….…...1 3. Suitable inverters……………………………………………………………………………………………..…...2 4. Outline dimension with conduit box kit……………………………………………………………………..…...3 5. Components…………………………………………………………………………………………….…….…...4 6. Installation dimensions……………………………………………………………………………………………4 7. Installation procedure…………………………………………………………………………………….….……6 ① Installation procedure for group I……………………………………………………………………….….6 ② Installation procedure for group II……………………………………………………………………….…6 ③...
E6581810 Safety precautions Warning ・ Read and understand the instruction manual entirely before installing or operating the VF-AS1 or VF-PS1 inverters. Electrical construction work must be done by a qualified expert. ・ Do not short across terminal PA/+ and PC/- or across the DC bus capacitors. ・...
E6581810 Components Part name Conduit box Box cover Support bar Support frame EMC plate1 EMC plate2 Conduit plate Hardware clip set M4X8 screws M5X12 screws 8-32 screws M4X10 screws M6X16 screws Note: The hardware clip set includes a hardware clip, a M5 nut and a conical washer. Installation dimensions For NEM1109Z or those bigger sizes, a support frame is installed between the conduit box and the board where the inverter is fixed on.
E6581810 Installation procedure The full range of conduit box kits is divided into three groups to better explain their installation procedures. The detail groups and recommended tightening torque values are shown below. Table 1: Conduit groups Table 2: Recommended tightening torque N ·...
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E6581810 Figure 6 2. Installation procedure for group II Use the torque value in table 1 when you torque a screw. Step1: Do DC voltage test for safety. Step2: Remove the front cover of the inverter (G). See figure 7. Step3: three green ground screws (H) from the inverter and install them in the three holes (I) Remove the...
E6581810 Step4: Attach the conduit box support bar (J) to the inverter with two M5 screws. See figure 9. Step5: Attach the conduit box (K) to the conduit box support bar (J) with two M4 screws. See figure 9. Step6: Attach the conduit box (K) to the inverter with four self-threading screws (8-32). See figure 9. Step7: Make all power and control connections to the inverter through the knockouts of the conduit box.
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E6581810 Figure 10 Figure 11 Step4: Attach the two hardware clip sets (O) to the two sides of support frame (N) and clip the support frame. The hardware clip set includes a hardware clip, a M5 nut and a captive conical washer. See figure 12.
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E6581810 Step6: Mount the EMC plate1 (Q) into both the conduit box (P) and the inverter with M6 screws. See figure 14. Caution Be sure to install the EMC plate1 as figure 12 properly. Do not operate the inverter without EMC plate1 properly in place. Failure to follow this instruction can result in injury or equipment damage.