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© 2015 Mobile Climate Control
T-367Rev . 05/2015
TABL E OF CONTENTS
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 Sections 1--3...............................................................
1.2.4 MCC Microprocessor 1--3..............................................................
1.3 REFRIGERATION SYSTEM COMPONENT SPECIFICATIONS 1--3.............................
1.4 ELECTRICAL SPECIFICATIONS -- MOTORS 1--3............................................
1.5 SAFETY DEVICES 1--4...................................................................
1.6 AIR CONDITIONING REFRIGERATION CYCLE 1--5..........................................
1.7 HEATING CYCLE 1--5....................................................................
OPERATION of MCC XCEL DRIVER DISPLAY 2--1...................................................
2.1 General Description 2--1...................................................................
2.2 STARTING, STOPPING AND OPERATING INSTRUCTIONS 2--1..............................
2.2.1 Starting 2--1..........................................................................
2.3 SEQUENCE OF OPERATION 2--2..........................................................
2.3.1 Function of Keys when “Engine On” and controller active: 2--2...............................
2.4 BASIC OPERATING INSTRUCTIONS 2--3..................................................
2.4.1 Display 2--3..........................................................................
2.4.2 Interior Set Point Temperature Control 2--3...............................................
2.4.3 Blower Speed Setting 2--3..............................................................
2.4.4 Mode Selection Descriptions 2--3........................................................
2.4.5 Capacity Control “Ladder” Diagrams 2--3.................................................
2.4.6 Display Settings 2--5...................................................................
2.4.7 HVAC Information Screens 2--6.........................................................
2.4.8 HVAC Diagnostics Screens 2--7.........................................................
2.4.9 HVAC Alarm Description 2--8...........................................................
2.5 MCC Eco NG Coolview 2--9...............................................................
2.5.1 Starting the MCC Coolview Application 2--10...............................................
2.5.2 Coolview Screen Layout 2--11...........................................................
2.5.3 Eco NG Display Pin out Description 2--16..................................................
2.5.4 Eco NG Controller Pin out Description 2--17...............................................
TROUBLESHOOTING 3--1.........................................................................
3.1 System Will Not Cool 3-- 1..............................................................
3.2 System Runs But Has Insufficient Cooling 3--1............................................
3.3 Abnormal Pressures 3--1...............................................................
3.4 Abnormal Noise Or Vibrations 3--1.......................................................
3.5 No Evaporator Air Flow Or Restricted Air Flow 3--2........................................
3.6 Expansion Valve Malfunction 3--2........................................................
3.7 Heating Malfunction 3--2...............................................................
SERVICE 4-1....................................................................................
4.1 MAINTENANCE SCHEDULE 4-1...........................................................
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