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Table 1: Recommended Torque Settings
8.8
10.9
8.8
10.9
Bolt Head
Grade Marking
Nut
Grade Marking
Bolt Size:
Grade 2:
Grade 5:
10-24
27 in-Lb
42 in-Lb
1/4-20
65 in-Lb
101 in-Lb
5/16-18
11 ft-Lb
17 ft-Lb
3/8-16
19 fl-Lb
30 ft-Lb
8.8
10.9
8.8
10.9
Bolt Head
Grade Marking
Nut
Grade Marking
Bolt Size:
Grade 2:
Grade 5:
M5
6Nm
9Nm
M6
10Nm
15Nm
M8
25Nm
35Nm
M10
50Nm
75Nm
M12
85Nm
130Nm
M16
215Nm
315Nm
4.3 Hardware
Unless otherwise specified, all hardware (except sheet
metal screws) must be torqued to settings from Table 1.
4.4 Ship-With Parts
Some options (if selected) may include parts that will
require field installation. These parts are included loose
with the shipment of the unit, inside the control panel.
• Motor starter – Starter may include phase monitor
or VFD
• OA damper
• Over the blower electric heater are field-mounted at
least 5” above the air handler discharge
• SAT/RH Duct Sensor
• DPT Duct Sensor
RC/FC Series Installation, Operation, and Maintenance Manual