Bryant 551J - page 21

C10044

Fig. 38 --RTU--MP System ControlWiring Diagram

551J

Contents

Main 551J SINGLE PACKAGEROOFTOP COOLING ONLY SIZES 04 --06 with PURONR(R--410A) REFIRGERANT Installation Instructions TABLE OF CONTENTS SAFETY CONSIDERATIONS Page Page Page INSTALLATION Jobsite Survey Step 1 Plan for UnitLocation Step 2 Plan for Sequenceof Unit Installation Step 3 Inspectunit Step 4 ProvideUnit Support Fig. 3 --Roof Curb Details Step 5 FieldFabricate Ductwork Step 6 Rig and PlaceUnit Step 7 Convert to Horizontal and Connect Ductwork(when required) Step 8 Install Outside AirHood HoodBox Page Step 9 InstallExternal Condensate Trap and Line Step 10 Make Electrical Connections Page Page NOTICE Electric Heaters Page System Controller Sensor Smoke Detector Locations Completing Installation of Return Air Smoke Sensor: Page Page Page Space Temperature (SPT) Sensors Page } SEN COM J4-2 J4-3 IAQ Sensor 24 VAC ConnectingDiscrete Inputs FilterStatus Power Exhaust J11-3 C TAN GRA PEC CTB THERMOSTAT Communication Wiring --Protocols General Local Access RTU--MP Troubleshooting Communication LEDs Page Table5UnitWire/FuseorHACRBreakerSizingData Page Page Page Page Page Step 11 Adjust Factory--InstalledOptions Step 12 Install Accessories