826081-XIM-C-0214
2
Johnson Controls Unitary Products
LIST OF FIGURES
1 Recommended Drain Piping . . . . . . . . . . . . . . . . . . . . . . 9
2 Compressor Restraining Bracket . . . . . . . . . . . . . . . . . . . 9
3 Typical Field Power & Control Wiring . . . . . . . . . . . . . . 10
4 External Supply Connection External Shut-Off . . . . . . . 13
5 Bottom Supply Connection External Shut-Off . . . . . . . . 14
6 Vent And Combustion Air Hood . . . . . . . . . . . . . . . . . . . 14
7 Enthalpy Setpoint Adjustment . . . . . . . . . . . . . . . . . . . . 16
8 Honeywell Economizer Control W7212 . . . . . . . . . . . . . 17
9 Unit 4 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . 18
10 Unit 6 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . 18
11 Unit Dimensions (3 - 6.3 Ton Cooling Only/Electric Heat)
Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
12 Unit Dimensions (3 - 6.3 Ton Cooling/Gas Heat) Front
View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
13 Unit With Economizer Rain Hood . . . . . . . . . . . . . . . . . 24
14 Unit With Fixed Outdoor Air/Motorized Damper Rain
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
15 Unit Dimensions (Rear View) . . . . . . . . . . . . . . . . . . . . . 25
16 Disconnect/Blower Access Location . . . . . . . . . . . . . . . 25
17 Belt Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
18 Pressure Drop Across Coil . . . . . . . . . . . . . . . . . . . . . . . 31
19 Gas Valve Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
20 Typical Gas Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
21 Proper Flame Adjustment . . . . . . . . . . . . . . . . . . . . . . . 36
22 Typical Flame Appearance . . . . . . . . . . . . . . . . . . . . . . 37
23 Unit Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
24 Typical ZF036 - 076 Belt Or Direct Drive With Electric Heat
Control Circuit 380/415V Diagram . . . . . . . . . . . . . . . . . 45
25 Typical ZF036 - 048 Direct Drive With Gas Or Electric Heat
Power Circuit 380/415V Diagram . . . . . . . . . . . . . . . . . . 46
26 Typical ZF036 - 060 Belt Drive With Gas Or Electric Heat
Power Circuit 380/415V Diagram . . . . . . . . . . . . . . . . . . 47
27 Typical ZF060 - 076 Belt Drive Or Direct Drive With Gas
Heat Control Circuit 380/415-3-50 Diagram . . . . . . . . . . 48