York International ZQ Series Installation Manual page 4

Prestart Check List......................................................... 74
Cooling operating instructions..................................... 74
Post Start Check List...................................................... 74
Start-up (Gas heat).............................................................. 75
Pre-Start Check List........................................................ 75
Gas heat operating instructions.................................. 75
Lighting The Main Burners........................................... 75
Post Start Checklist........................................................ 75
Shut Down...................................................................... 75
Checking Gas Heat Input.................................................... 76
Single Stage Gas Heat................................................... 76
Two Stage Gas Heat....................................................... 76
Manifold Gas Pressure Adjustment............................. 77
Single Stage.................................................................... 77
Two Stage........................................................................ 77
Adjustment Of Temperature Rise................................ 78
Burners/Orifices Inspection/Servicing........................ 79
Start up for Units Equipped for FER............................. 80
Direct Drive..................................................................... 80
Troubleshooting................................................................... 81
Charging Tables............................................................. 84
Control Board Navigation Components............................ 86
Start-Up Sheet...................................................................... 87
4 INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A
Johnson Controls Ducted Systems