Service manual

i T -294-01
TABLE OF CONTENTS
Section Page
SAFETY SUMMARY Safety-1......................................................
GENERAL SAFETY NOTICES Safety-1..............................................
FIRST AID Safety-1...............................................................
OPERATING PRECAUTIONS Safety-1..............................................
MAINTENANCE PRECAUTIONS Safety-1...........................................
SPECIFIC WARNING AND CAUTION STATEMENTS Safety-2.........................
INTRODUCTION 1-1..........................................................
1.1 BRIEF UNIT DESCRIPTION 1-1.........................................
DESCRIPTION 2-1...........................................................
2.1 GENERAL DESCRIPTION 2-1...........................................
2.2 REFRIGERATION SYSTEM DATA 2-8....................................
2.3 ELECTRICAL DATA 2-9................................................
2.4 POWER AUTOTRANSFORMER (TRANS) 2-10.............................
2.5 REFRIGERATION CIRCUIT WITH THE WATER-COOLED CONDENSER 2-11.
2.6 WATER-COOLED CONDENSER 2-11.....................................
2.6.1 Water--Cooled Condenser with Water Pressure Switch (WP) 2-11.....
2.6.2 Water - C ooled Condens er w i th Condenser Fan Switc h (CF S) -- Optional 2-11
2.7 UPPER FRESH AIR MAKEUP VENT 2-13.................................
2.8 LOWER FRESH AIR MAKEUP VENT (Optional) 2-13........................
2.9 REMOTE MONITORING (RM) -- Optional 2-14..............................
2.10 SAFETY AND PROTECTIVE DEVICES 2-14...............................
MICROPROCESSOR 3 -1......................................................
3.1 MICRO-LINK 2i CONTROLLER MODULE 3-1.............................
3.1.1 Brief Description 3-1....................................................
3.1.2 Controller Programming (Memory) Cards 3-2..............................
3.1.3 General Layout of the Controller Section 3-4..............................
3.1.4 Controller Function Codes 3-6...........................................
3.1.5 Controller Alarms 3-10...................................................
3.1.6 Condenser Pressure Control (CPC) 3-14...................................
3.1.7 Controller Temperature Control 3-14...............................
3.1.7.1 Perishable (Chill) Range Above --10_C(+14_F), or
-- 5_C(+23_ F) Optionally. 3-14...........................
3.1.7.2 Frozen Range Below -- 10 _C(+14_F), or
-- 5_C(+23_ F) Optionally 3-17............................