39
FS BOX INSTALLATION
INSTRUCTIONS
Table 22 – FS Box Compatibility with 208/230V
Rooftop Units
Rooftop
Model
Number
40QQ- 036AAA3-
0A0
40QQ- 048AAA3-
0A0
40QQ- 060AAA3-
0A0
FX Box Part
Number
RBM- Y0383FUL
RBM- Y0613FUL
RBM- Y0613FUL
Table 23 – FS Box Compatibility with 460V Rooftop
Units
Rooftop
Model
Number
40QQ- 036AAAC-
0A0
40QQ- 048AAAC-
0A0
40QQ- 060AAAC-
0A0
FX Box Part
Number
RBM- Y0383FUL
RBM- Y0613FUL
RBM- Y0613FUL
1. Remove the three panels necessary as shown in Figs.
52 and 53.
Fig. 52 - 40QQ Rooftop Unit
Fig. 53 - 40QQ Rooftop Unit with Panels Removed
2. Hang the FS box from the top cover bracket using the
threaded rods. The threaded rods are shown in Fig.
54. Nuts and washers are included in the installation
packet bag, which is found in the control box of the
unit. Fig. 54 shows the mounted FS box.
Fig. 54 - FS Unit Mounted to Threaded Rods
3. If required, braze the appropriate adapter fittings onto
both sides of the FS box as shown in Fig. 55. The
adapter fittings are included with the FS box.
Reference the FS box installation manual for sizing.
Then braze the liquid and suctions lines on the
rooftop unit onto the FS box adapter fittings while
purging with nitrogen.
Fig. 55 - Braze Adapter Fittings
4. Knock out the three holes shown in Fig. 56 on the
square panel of the rooftop unit. Braze in the three
field installed line sets running from the FS box to the
outdoor unit. Be sure to put the three field- installed
line sets through the three holes in the square panel
prior to brazing.
Fig. 56 - Knockouts and Line Sets
40Q
Q
Summary of Contents for 40QQ Series
Page 3: ...3 DIMENSIONS 1 2 3 Fig 2 Dimensional Drawing 40QQ ...
Page 4: ...4 DIMENSIONS CONT Fig 3 Dimensional Drawing 40QQ ...
Page 5: ...5 CENTER OF GRAVITY Fig 4 Center of Gravity Drawing 40QQ ...
Page 11: ...11 Fig 8 Rigging Label 40QQ ...
Page 50: ...50 Table 29 Check Code 2 40QQ ...
Page 51: ...51 Table 30 Check Code 3 40QQ ...
Page 52: ...52 WIRING DIAGRAMS Fig 78 40QQ Power Wiring Diagram 208 230V 60Hz 40QQ ...
Page 53: ...53 WIRING DIAGRAMS CONT Fig 79 40QQ Power Wiring Diagram 460V 60Hz 40QQ ...