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36
Integrated Staging Control (ISC) Board
Fig. 51 — Integrated Staging Control (ISC) Board
NOTES:
1. Green LED Blinking at 1HZ indicates normal operation.
2. Solid red LED indicates an error exists, see above LED configuration.
DDC
Control
Indoor Fan
“On” Status
IGC
Board
Power
Plug
Phase
Monitor
Relay
Auxilary
Shutdown
Condensate
Overflow
Economizer
Occupancy
Status Code LEDs
DDC
Control
Remote
Shutdown
Smoke
Shutdown
Smoke
Alarm
Low Ambient
Outdoor Fan
Control
Compressors
Low Pressure
Switch
High Pressure
Switch
Indoor Fan
Motor
Outdoor Fan
Motors
Phase
Monitor
Relay
Table 8 — Status Code Descriptions for ISC Board LEDs
ERROR#
ERROR NAME
LED INDICATION
LED01
LED02
LED03
LED04
LED05
1
Check Smoke Detector/PMR/AUX
RED
Blinking
Green
LED
(Note 1)
2
Check HPS/LPS/COFS
RED
RED
3
Call for Y3 with no call for Y1. Check Y1 wiring.
RED
4
Call for Y3 with no call for Y1/Y2. Check Y1 wiring.
RED
RED
5
Call for Y2 with no call for Y1. Check Y1 wiring.
RED
RED
6
Call for W2 with no call for W1. Check W1 wiring.
RED
RED
7
Call for heat (W1/W2) and cooling (Y1/Y2/Y3). Check VAV-RTU Open wiring.
RED
RED
RED
RED
8
Call for heat (W1/W2) with no IFM. Check G wiring.
RED
RED
RED
9
Call for cooling (Y1/Y2/Y3) with no G. Check G wiring.
RED
RED
RED
10
Call for heat (W1/W2) and cooling (Y1/Y2/Y3) with no G. Check VAV-RTU
Open and G wiring.
RED
RED
RED
11
Check ISC Board and the VAV-RTU Open wiring
RED
RED
RED
12
Call for Economizer Y1 Feedback (ECON) from economizer with no call for
Y1. Check VAV-RTU Open and economizer wiring.
RED
13
Check ISC Board and the VAV-RTU Open wiring.
RED
RED
14
Check ISC Board and the VAV-RTU Open wiring.
RED
15
Check ISC Board and the VAV-RTU Open wiring.
RED
RED
Summary of Contents for WeatherExpert 48LC B14 Series
Page 4: ...4 Fig 2 48LC B14 Vertical Airflow ...
Page 5: ...5 Fig 3 48LC B14 Horizontal Airflow ...
Page 6: ...6 Fig 4 48LC B14 Back View and Condensate Drain Location ...
Page 7: ...7 Fig 5 48LC B14 Corner Weights and Clearances ...
Page 8: ...8 Fig 6 48LC B14 Bottom View ...
Page 9: ...9 Fig 7 48LC B17 20 Vertical Airflow ...
Page 10: ...10 Fig 8 48LC B17 20 Horizontal Airflow ...
Page 11: ...11 Fig 9 48LC B17 20 Back View and Condensate Drain Location ...
Page 12: ...12 Fig 10 48LC B17 20 Corner Weights and Clearances ...
Page 13: ...13 Fig 11 48LC B17 20 Bottom View ...
Page 14: ...14 Fig 12 48LC B24 26 Vertical Airflow ...
Page 15: ...15 Fig 13 48LC B24 26 Horizontal Airflow ...
Page 16: ...16 Fig 14 48LC B24 26 Back View and Condensate Drain Location ...
Page 17: ...17 Fig 15 48LC B24 26 Corner Weights and Clearances ...
Page 18: ...18 Fig 16 48LC B24 26 Bottom View ...
Page 21: ...21 Fig 20 48LC B14 Roof Curb Details ...
Page 22: ...22 Fig 21 48LC B17 20 Roof Curb Details ...
Page 23: ...23 Fig 22 48LC B24 26 Roof Curb Details ...
Page 30: ...30 Fig 40 48LC B14 26 VAV RTU Open Control Wiring Diagram ...
Page 31: ...31 Fig 41 48LC B14 26 Power Wiring Diagram ...
Page 53: ......