2-7
INSTALLATION
panel (Figure 2-10) behind the removable front
door.
To access the I/O Box terminal strips shown in
Figure 2-10, loosen the four cover screws and
remove the cover. All field wiring is installed
from the rear of the panel by routing the wires
through one of the four bushings provided.
Refer to the wiring diagram provided on the
cover of the I/O Box (Figure 2-11) when making
all wiring connections.
Brief descriptions of each mode of operation,
and their wiring requirements, are provided in
the following paragraphs. Additional information
concerning field wiring is provided in paragraphs
2.9.1 through 2.9.9. Refer to Chapter 5 for
detailed information on the available modes of
operation
TERMINAL
STRIPS
LOWER RIGHT CORNER
OF FRONT PANEL
Figure 2-10. Input/Output (I/O)
Box Location
OUTDOOR SENSOR IN
SENSOR COMMON
(AIR) AUX SENSOR IN
REMOTE INTL'K IN
EXHAUST SWITCH IN
DELAYED INTL'K IN
NOT USED
NOT USED
+
ANALOG IN
-
+
B.M.S. (PWM) IN
-
NC
COM
NO
NC
COM
NO
FAULT RELAY
120 VAC, 5A, RES
AUX RELAY
120 VAC, 5A, RES
SHIELD
NOT USED
+
mA OUT
-
RS-485
+
COMM.
G
-
NOT USED
0 – 10V
AGND
RELAY CONTACTS:
120 VAC, 30 VDC
5 AMPS RESISTIVE
DANGER
120 VAC USED
IN THIS BOX
Figure 2-11. I/O Box Terminal Strip
Summary of Contents for Benchmark 3.0LN Series
Page 6: ...iv ...
Page 8: ...B ...
Page 42: ...INITIAL START UP 4 8 ...
Page 80: ...A 6 ...
Page 84: ...B 4 ...
Page 86: ...C 2 APPENDIX C ...
Page 93: ...APPENDIX F APPENDIX F F 1 ...
Page 94: ...APPENDIX F F 2 ...
Page 95: ...APPENDIX F F 3 ...
Page 96: ...APPENDIX F F 4 ...
Page 97: ...APPENDIX F F 5 ...
Page 98: ...APPENDIX F F 6 ...
Page 99: ...APPENDIX F F 7 66034 ...
Page 100: ...APPENDIX F F 8 ...
Page 101: ...APPENDIX F F 9 ...
Page 102: ...APPENDIX F F 10 ...
Page 103: ...APPENDIX F F 11 ...
Page 104: ...APPENDIX F F 12 ...
Page 105: ...APPENDIX F F 13 ...
Page 106: ...APPENDIX F F 14 ...
Page 107: ...APPENDIX G APPENDIX G G 1 ...
Page 108: ...APPENDIX G G 2 ...
Page 109: ...APPENDIX G G 3 ...
Page 110: ...APPENDIX G G 4 ...
Page 111: ...APPENDIX G G 5 ...
Page 112: ...APPENDIX G G 6 ...
Page 113: ...APPENDIX H APPENDIX H H 1 ...
Page 114: ...APPENDIX H H2 ...
Page 115: ...APPENDIX H H 3 ...
Page 116: ...APPENDIX H H 4 ...
Page 117: ...APPENDIX H H 5 ...
Page 118: ...APPENDIX H H 6 ...
Page 119: ...APPENDIX H H 7 ...
Page 120: ...APPENDIX H H 8 ...
Page 122: ...APPENDIX I I 2 ...
Page 126: ...NOTES ...
