
4
To re-install the access panel:
1. Slide the top of the panel up under the unit top panel.
2. Slide the bottom into the side channels.
3. Push the bottom flange down until it contacts the top of
the lower panel (or economizer top).
Outside Air Hood
Outside air hood inlet screens are permanent aluminum-mesh
type filters. Check these for cleanliness. Remove the screens
when cleaning is required. Clean by washing with hot low-
pressure water and soft detergent and replace all screens before
restarting the unit. Observe the flow direction arrows on the
side of each filter frame.
Economizer Inlet Air Screen
This air screen is retained by filter clips under the top edge of
the hood. (See Fig. 3.)
Fig. 3 — Filter Installation
To remove the filter, open the filter clips. Re-install the filter by
placing the frame in its track, then closing the filter clips.
Manual Outside Air Hood Screen
This inlet screen is secured by a retainer angle across the top
edge of the hood. (See Fig. 4.)
Fig. 4 — Screens Installed on Outdoor-Air Hood
(Sizes 7
1
/
2
to 8
1
/
2
Tons Shown)
To remove the screen, loosen the screws in the top retainer and
slip the retainer up until the filter can be removed. Re-install by
placing the frame in its track, rotating the retainer back down,
and tightening all screws.
SUPPLY FAN (BLOWER) SECTION
Supply Fan (Direct-Drive)
For unit sizes 04, 05, and 06, a direct-drive forward-curved
centrifugal blower wheel is an available option. The motor has
taps to provide the servicer with the selection of one of five
motor torque/speed ranges to best match wheel performance
with attached duct system. See Fig. 5 and 6.
Fig. 5 — Direct-Drive Supply Fan Assembly
Fig. 6 — ECM Motor Connectors
ECM MOTOR
The direct-drive motor is an X13 Electronically Commutated
Motor (ECM). An ECM motor contains electronic circuitry
used to convert single-phase line AC voltage into 3-phase DC
voltage to power the motor circuit. The motor circuit is a DC
17 1/4”
DIVIDER
BAROMETRIC
RELIEF
CLEANABLE
ALUMINUM
FILTER
FILTER
HOOD
FILTER
CLIP
OUT
S
IDE
AIR
SCREWS
WARNING
ELECTRICAL OPERATION HAZARD
Failure to follow this warning could result in personal inju-
ry or death.
Before performing service or maintenance operations on
unit, LOCKOUT/TAGOUT the main power switch to unit.
Electrical shock and rotating equipment could cause severe
injury.
ECM Motor
Motor Plug Position
(95° from vertical)
95°
ECM Power
Transformer
(460, 575v)
L2
YEL
Gnd
GRN/YEL
L1
BLU
C
1 2 3 4 5
L G N
Motor
Power
Connections
Speed
Taps
Com
BRN
VIO
Default Connection
Содержание Preferred 581J04-14
Страница 36: ...36 Fig 60 Integrated Gas Control IGC Board RED LED STATUS ...
Страница 44: ...44 Fig 65 RTU Open Overlay for Economizer Wiring ...
Страница 45: ...45 Fig 66 VFD Overlay for W2770 Controller Wiring ...
Страница 96: ...96 Fig B 581J 04 06 YAC Control Diagram 208 1 60 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 99: ...99 Fig E 581J 07A B C YAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 100: ...100 Fig F 581J 08 09 YAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 101: ...101 Fig G 581J 11YAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 102: ...102 Fig H 581J 12 YAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 103: ...103 Fig I 581J 04 06 YAC Power Diagram 208 230 1 60 APPENDIX D WIRING DIAGRAMS ...
Страница 104: ...104 Fig J 581J 04 06 YAC Power Diagram 208 230 3 60 460 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 105: ...105 Fig K 581J 04 06 YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 106: ...106 Fig L 581J 07 12D F YAC Power Diagram 208 230 3 60 460 3 60 6 Ton 2 Stage with Cooling APPENDIX D WIRING DIAGRAMS ...
Страница 108: ...108 Fig N 581J 07 12A B C YAC Power Diagram 208 230 3 60 460 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 109: ...109 Fig O 581J 07 12A B C YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 110: ...110 Fig P 581J 08 09 YAC Power Diagram 230 460 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 111: ...111 Fig Q 581J 08 09 YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 112: ...112 Fig R 581J 11 YAC Power Diagram 208 230 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 113: ...113 Fig S 581J 11 YAC Power Diagram 460 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 114: ...114 Fig T 581J 11 YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 115: ...115 Fig U 581J 12 YAC Power Diagram 230 460 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 116: ...116 Fig V 581J 12 YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 117: ...117 Fig W 581J 14 YAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 118: ...118 Fig X 581J 14 YAC Power Diagram 208 230 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 119: ...119 Fig Y 581J 14 YAC Power Diagram 460 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 120: ...120 Fig Z 581J 14 YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 121: ...121 Fig AA 581J 04 06 YAC Control Diagram 230 1 60 230 460 575 3 60 with Dehumidification APPENDIX D WIRING DIAGRAMS ...
Страница 122: ...122 Fig AB 581J 07A B C YAC Control Diagram 230 1 60 230 460 575 3 60 with Dehumidification APPENDIX D WIRING DIAGRAMS ...
Страница 123: ...123 Fig AC 581J 08 09 YAC Control Diagram 230 460 575 3 60 with Dehumidification APPENDIX D WIRING DIAGRAMS ...
Страница 124: ...124 Fig AD 581J 11 YAC Control Diagram 230 1 60 230 460 575 3 60 with Dehumidification APPENDIX D WIRING DIAGRAMS ...
Страница 125: ...125 Fig AE 581J 12 YAC Control Diagram 230 460 575 3 60 with Dehumidification APPENDIX D WIRING DIAGRAMS ...
Страница 126: ...126 Fig AF 581J 04 06 YAC Power Diagram 208 230 1 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 127: ...127 Fig AG 581J 04 06 YAC Power Diagram 230 460 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 128: ...128 Fig AH 581J 04 06 YAC Power Diagram 575 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 129: ...129 Fig AI 581J 07A B C YAC Power Diagram 230 460 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 130: ...130 Fig AJ 581J 07A B C YAC Power Diagram 575 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 131: ...131 Fig AK 581J 08 09 YAC Power Diagram 230 460 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 132: ...132 Fig AL 581J 08 09 YAC Power Diagram 575 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 133: ...133 Fig AM 581J 11 YAC Power Diagram 208 230 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 134: ...134 Fig AN 581J 11 YAC Power Diagram 460 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 135: ...135 Fig AO 581J 11 YAC Power Diagram 575 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 136: ...136 Fig AP 581J 12 YAC Power Diagram 230 460 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 137: ...137 Fig AQ 581J 12 YAC Power Diagram 575 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 138: ...138 Fig AR 581J 14 YAC Control Diagram 230 460 575 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 139: ...139 Fig AS 581J 14 YAC Power Diagram 208 230 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 140: ...140 Fig AT 581J 14 YAC Power Diagram 460 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 141: ...141 Fig AU 581J 14 YAC Power Diagram 575 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 142: ...142 Fig AV YAC Direct Digital System Control Wiring Diagram System 50HE500891 F APPENDIX D WIRING DIAGRAMS ...
Страница 143: ...143 Fig AW RTU Open Wiring Diagram APPENDIX D WIRING DIAGRAMS ...