Bryant 551J installation instructions Install Accessories, Pre-Start and Start-Up

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551J

Step 12 — Install Accessories

Available accessories include:

Curb

Thru-base connection kit (must be installed before unit is set on curb)

Electric heaters and single-poing connection kits Manual outside air damper

Two-Position motorized outside air damper EconoMi$er IV (with control)

EconoMi$er2 (without control/for external signal) Power Exhaust

Differential dry-bulb sensor (EconoMi$er IV) Outdoor enthalpy sensor

Differential enthalpy sensor CO2 sensor

jSmoke detector (Return Air and/or Supply Air) Louvered hail guard

Hood-type hail guard Phase monitor control

Refer to separate installation instructions for information on installing these accessories.

Pre-Start and Start-Up —

This completes the mechanical installation of the unit. Refer to the unit’s Service Manual for detailed Pre-Start and Start-Up instructions.

Copyright 2010 Bryant Heating & Cooling Sysemts D 7310 W. Morris St. D Indianapolis, IN 46231	Printed in U.S.A.	Edition Date: 01/10	Catalog No: II551J---02

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.			Replaces: New

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Contents Installation Instructions 551J Unit Dimensional Drawing C10058 Plan for Sequence of Unit Installation Curb-mounted installationOperating Weights Plan for Unit LocationInspect unit Provide Unit SupportRoof Curb Details Field Fabricate Ductwork Rig and Place UnitConvert to Horizontal and Connect Ductwork when required Install Outside Air HoodPositioning on Curb Indoor Coil Access Panel Relocation Install External Condensate Trap and Line Field Power SupplyMake Electrical Connections All units Convenience OutletsConvenience Outlet Location Installing Weatherproof Cover Field Control Wiring Factory-Option Thru-Base ConnectionsUnits without Thru-Base Connections ThermostatHeat Anticipator Settings Electric HeatersHeater Model Number Typical Component Location System ControllerSmoke Detectors Smoke Detector Locations Typical Supply Air Smoke Detector Sensor LocationCompleting Installation of Return Air Smoke Sensor Return Air Detector Shipping PositionRTU-MP control system RTU-MP Multi-Protocol Control BoardRTU-MP System Control Wiring Diagram RTU-MP Controller Inputs and Outputs Type of I/O Connection PIN Name Numbers InputsSpace Temperature SPT Sensors 55 Space Temperature Sensor WiringRTU-MP T-56 Sensor Connections SEN Connecting Discrete Inputs Power Exhaust outputCommunication Wiring Protocols General Filter StatusLocal Access RTU-MP Troubleshooting Communication LEDsLEDs LEDs on the RTU-MP show the status of certain functionsUnit Wire/Fuse or Hacr Breaker Sizing Data FLA LRAPwrd C.O 27.8 132 42.0 47/47 Adjust Factory-Installed Options EconoMi$er IV Occupancy SwitchInstall Accessories Pre-Start and Start-Up