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127408-YIM-B-0606
Unitary Products Group 3
LIST OF FIGURES
Fig. # Pg. #
1 UNIT SHIPPING BRACKET . . . . . . . . . . . . . . . . . . . . . 8
2 CONDENSER COVERING . . . . . . . . . . . . . . . . . . . . . . 8
3 COMPRESSOR SECTION . . . . . . . . . . . . . . . . . . . . . . 8
4 PREDATOR® COMPONENT LOCATION . . . . . . . . . . 9
5 UNIT 4 POINT LOAD . . . . . . . . . . . . . . . . . . . . . . . . . 10
6 UNIT 6 POINT LOAD . . . . . . . . . . . . . . . . . . . . . . . . . 11
7 UNIT CENTER OF GRAVITY . . . . . . . . . . . . . . . . . . . 11
8 UNIT DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 12
9 BOTTOM DUCT OPENINGS (FROM ABOVE). . . . . . 13
10 REAR DUCT DIMENSIONS . . . . . . . . . . . . . . . . . . . . 13
11 PREDATOR® ROOF CURB DIMENSIONS . . . . . . . . 14
12 SUNLINE™ TO PREDATOR® TRANSITION
ROOF CURBS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
13 SIDE PANELS WITH HOLE PLUGS. . . . . . . . . . . . . . 15
14 RETURN DOWNFLOW PLENUM WITH PANEL . . . . 15
15 DISCHARGE PANEL IN PLACE. . . . . . . . . . . . . . . . . 15
16 CONDENSATE DRAIN . . . . . . . . . . . . . . . . . . . . . . . . 15
17 ELECTRONIC THERMOSTAT FIELD WIRING . . . . . 17
Fig. #
Pg. #
18 FIELD WIRING 24 VOLT THERMOSTAT . . . . . . . . . 17
19 FIELD WIRING DISCONNECT - COOLING UNIT
WITH OR WITHOUT ELECTRIC HEAT . . . . . . . . . . . 18
20 FIELD WIRING DISCONNECT - COOLING UNIT
WITH GAS HEAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
21 SIDE ENTRY GAS PIPING. . . . . . . . . . . . . . . . . . . . . 21
22 BOTTOM ENTRY GAS PIPING . . . . . . . . . . . . . . . . . 21
23 ENTHALPY SET POINT CHART . . . . . . . . . . . . . . . . 25
24 HONEYWELL ECONOMIZER CONTROL W7212. . . 25
25 BELT ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . 26
26 DRY COIL DELTA P 50" CABINET . . . . . . . . . . . . . . 35
27 DRY COIL DELTA P 42" CABINET . . . . . . . . . . . . . . 35
28 TYPICAL FLAME . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
29 TYPICAL GAS VALVE . . . . . . . . . . . . . . . . . . . . . . . . 48
30 UNIT CONTROL BOARD. . . . . . . . . . . . . . . . . . . . . . 51
31 BASIC TROUBLESHOOTING FLOWCHART . . . . . . 52
32 POWER ON FLOW CHART . . . . . . . . . . . . . . . . . . . . 52
33 TRIP FAILURE FLOW CHART. . . . . . . . . . . . . . . . . . 53