RC/FC Series Installation, Operation, and Maintenance Manual
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
Page 14 of 80
Table 1: Recommended Torque Settings
Bolt Head
Grade Marking
Nut
Grade Marking
Bolt Size:
Grade 2:
10-24
27 in-Lb
1/4-20
65 in-Lb
5/16-18
11 ft-Lb
3/8-16
19 fl-Lb
8.8
8.8
Bolt Head
Grade Marking
8.8
8.8
Nut
Grade Marking
Bolt Size:
Grade 2:
M5
6Nm
M6
10Nm
M8
25Nm
M10
50Nm
M12
85Nm
M16
215Nm
Grade 5:
42 in-Lb
101 in-Lb
17 ft-Lb
30 ft-Lb
10.9
10.9
10.9
10.9
Grade 5:
9Nm
15Nm
35Nm
75Nm
130Nm
315Nm
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