i
T--30404/08
TABLE OF CONTENTS
PARAGRAPH NUMBER Page
SAFETY SUMMARY Safety--1....................................................................
DESCRIPTION 1--1...............................................................................
1.1 INTRODUCTION 1--1.....................................................................
1.2 GENERAL DESCRIPTION 1--2.............................................................
1.2.1 Rooftop Unit 1--2......................................................................
1.2.2 Condensing Section 1--2...............................................................
1.2.3 Evaporator Section 1--4................................................................
1.2.4 Drivers Evaporator (Optional) 1--6.......................................................
1.2.5 Compressor Assembly 1--6.............................................................
1.2.6 System Operating Controls And Components 1--7.........................................
1.2.7 280P & 282P (PWM) Electronic Thermostat Controller 1--7.................................
1.2.8 CSDD BT--324 (Carrier--Sutrak Digital Display) Microprocessor 1--7..........................
1.2.9 Motor Fault Board (Optional) 1--7........................................................
1.3 REFRIGERATION SYSTEM COMPONENT SPECIFICATIONS 1--7.............................
1.4 ELECTRICAL SPECIFICATIONS -- MOTORS 1--7............................................
1.5 SAFETY DEVICES 1--8...................................................................
1.6 AIR CONDITIONING REFRIGERATION CYCLE 1--8..........................................
1.7 HEATING CYCLE 1--8....................................................................
OPERATION (Manual Controller) 2--1..............................................................
2.1 STARTING, STOPPING AND OPERATING INSTRUCTIONS 2--1..............................
2.1.1 Starting 2--1..........................................................................
2.1.2 Stopping 2--1.........................................................................
2.2 PRE--TRIP INSPECTION 2--1..............................................................
2.3 MODES OF OPERATION 2--2.............................................................
2.3.1 Temperature Control 2--2...............................................................
2.3.2 Cooling Mode 2--2.....................................................................
2.3.3 Heating Mode 2--2.....................................................................
2.3.4 Boost Pump (Optional) 2--2.............................................................
2.3.5 Vent Mode 2--2.......................................................................
2.3.6 Compressor Unloader Control (Only with 05G or 05K Compressors) 2--2.....................
2.3.7 Override Mode -- AC310 (Dehumidification) 2--2..........................................
2.3.8 Evaporator Fan Speed Selection 2--3....................................................
2.3.9 Compressor Clutch Control 2--3.........................................................
(A--6, TM--16, TM--21) 2--3....................................................................
2.4 SEQUENCE OF OPERATION (280P / 282P) 2--3.............................................
2.4.1 Electronic Thermostat 2--3.............................................................
OPERATION BT324 Controller 3--1.................................................................
3.1 STARTING, STOPPING AND OPERATING INSTRUCTIONS 3--1..............................
3.1.1 Starting
3--1..........................................................................
3.1.2 Stopping 3--1.........................................................................
3.2 PRE--TRIP INSPECTION 3--1.............................................................
3.3 SEQUENCE OF OPERATION BT324 CSDD 3--2.............................................
3.3.1 Function of Keys when “Engine On” and controller active: 3--2...............................
3.3.2 Illuminating Indications (Display) 3--2....................................................