
N2 Communications Description of Variables
79
NPT
NPA
Feature
Unit
AO
16
Setback High Flow Alarm Setpoint
cfm or L/s
AO
17
Setback Damper Position Setpoint
%
AO
18
High Sash Position Alarm Setpoint
%
AO
19
Units Value
0: English Units (fpm, cfm)
1: Metric Units (m/s, m
3
/h)
2: Metric Units (m/s, l/s)
BI
1
Low Velocity Alarm Status
0: Inactive
1: Active
BI
2
High Velocity Alarm Status
0: Inactive
1: Active
BI
3
Low Flow Alarm Status
0: Inactive
1: Active
BI
4
High Flow Alarm Status
0: Inactive
1: Active
BI
5
High Sash Position Alarm Status
0: Inactive
1: Active
BI
6
Velocity Sensor Error Status
0: Inactive
1: Active
BI
7
Data Error Status
0: Inactive
1: Active
BI
8
Setback Status
0: Inactive
1: Active
BI
9
Emergency Status
0: Inactive
1: Active
* Not available on standard Model FHC50s.
** The units of the variables are based on the units variable. When the units variable is set to 0 the values are in
English form. When the units variable is set to 1or 2 the units are metric. English is the default units.
Summary of Contents for FHC50
Page 2: ......
Page 4: ......
Page 10: ...2 This page intentionally left blank ...
Page 16: ...Part One 8 This page intentionally left blank ...
Page 56: ...48 Part Two This page intentionally left blank ...
Page 96: ...Appendix B 88 This page intentionally left blank ...
Page 98: ...Appendix C 90 Figure 7 Wiring Diagram Model FHC50 01 Controller ...
Page 99: ...Wiring Information 91 Figure 8 Wiring Diagram Model FHC50 02 Controller ...
Page 100: ...Appendix C 92 Figure 9 Wiring Diagram Model FHC50 03 Controller ...
Page 101: ...Wiring Information 93 Figure 10 Wiring Diagram Model FHC50 04 Controller ...
Page 102: ...Appendix C 94 Figure 11 Model FHM10 01 Monitor Wiring ...
Page 103: ...Wiring Information 95 Figure 12 Model FHM10 02 Monitor Wiring ...
Page 104: ...Appendix C 96 This page intentionally left blank ...
Page 106: ...Appendix C 98 This page intentionally left blank ...