CSZ MicroClimate Series Instruction manual

Installation
Operation
Maintenance
Manual
MicroClimate®
Series
56291 REV AE
4/2020
MCB-1.2
MC-3
MC
3
MCB 1 2

INTRODUCTION
Note: CSZ is continuously upgrading the components used
in its equipment. Consequently, the physical appearance of
certain components may vary from that shown.

INTRODUCTION
INTRODUCTION
This manual has been tailored to match the specific features and options provided on
your Temperature Chamber at the time of original manufacture. The last section of the
manual is the specific information section. This area was developed in an attempt to
better define items on CSZ chambers that are “SPECIFIC” to a customer. Please refer
to this section for warranty, controller PID parameters, and calibration/verification test
data sheets.
Cincinnati Sub-Zero Temperature Chamber:
MODEL NO.
SERIAL NO.
DO NOT USE THIS MANUAL IN AN ATTEMPT TO OPERATE OR MAINTAIN ANY
OTHER MODEL OR SERIAL NUMBER.
PLEASE READ THIS ENTIRE MANUAL BEFORE OPERATING THIS UNIT.

INTRODUCTION
THIS PAGE INTENTIONALLY LEFT BLANK

CHAMBER LABELS & MEANINGS
CHAMBER LABELS
AND MEANINGS
Some graphical safety labels may
be replaced with textual based
safety labels. Read the entire
manual for other safety information
that is applicable to our chamber.
GENERAL DANGER, CONSULT MANUAL
ELECTRICAL SHOCK
EXPLOSION, ARC FLASH HAZARD
LOW TEMPERATURE
HOT SURFACE
KEEP HANDS CLEAR; PINCH HAZARD
CONSULT OPERATORS MANUAL
BEFORE OPERATING
WEAR EYE PROTECTION
TURN OFF AND LOCK OUT SYSTEM
POWER BEFORE SERVICING
WEAR PROTECTIVE GLOVES
FORKLIFT RIGHT, DESIGNATES
CHAMBER LIFTING POINTS
FORKLIFT LEFT, DESIGNATES
CHAMBER LIFTING POINTS
DO NOT OPERATE WITH PACEMAKER
PROTECTIVE CONDUCTOR TERMINAL

CHAMBER LABELS & MEANINGS
THIS PAGE INTENTIONALLY LEFT BLANK

TABLE OF CONTENTS
SYSTEM DESCRIPTION ..............................................................................................................2-1
CONTROLLER ..............................................................................................................................2-1
CHAMBER .....................................................................................................................................2-1
CHAMBER INTERIOR...................................................................................................................2-1
CHAMBER EXTERIOR..................................................................................................................2-1
REFRIGERATION/HEATING .........................................................................................................2-2
REFRIGERATION ..........................................................................................................................2-2
HEATER .........................................................................................................................................2-2
HUMIDITY (OPTIONAL) ................................................................................................................2-2
PEN RECORDERS (OPTIONAL) ..................................................................................................2-7
HIGH/LOW LIMIT CONTROL .......................................................................................................2-7
IEEE-488 SYSTEM (OPTIONAL) ..................................................................................................2-8
LN2/CO2 BOOST COOLING SYSTEM (OPTIONAL)...................................................................2-8
HUMIDITY PANEL/CHAMBER COMPONENTS (OPTIONAL) .....................................................2-9
MICROCLIMATE SPECIFICATIONS...........................................................................................2-13
SEQUENCE OF OPERATIONS...................................................................................................2-24
FIGURES AND TABLES
MCB(H)-1.2
Figure 1. Humidity Performance Chart.......................................................................................................2-3
Figure 2. Plenum Area..................................................................................................................................2-4
Figure 3. Air Temperature Sensor Location (MCB 1.2) .............................................................................2-4
Figure 4. Air Temperature Sensor Location (MCBH 1.2)...........................................................................2-6
MC(H)-3
Figure 5. Plenum Area..................................................................................................................................2-7
Figure 6. Air Temperature Sensor Location ...............................................................................................2-7
Figure 7. Air Temperature Sensor Location (MCH-3) ................................................................................2-6
Figure 8. MCB 1.2 Recirculating Water.....................................................................................................2-11
Figure 9. MC3 Recirculating Water ...........................................................................................................2-11
Figure 10. Steam Generator System.........................................................................................................2-12
INTRODUCTION............................................................................................................................1-1
GENERAL SAFETY PRECAUTIONS ...........................................................................................1-1
HANDLING ELECTROSTATIC DISCHARGE SENSITIVE DEVICES...........................................1-4
SAFETY FEATURES .....................................................................................................................1-5
ELECTRICAL CIRCUIT PROTECTION.........................................................................................1-5
REFRIGERATION SYSTEM PROTECTION..................................................................................1-5
OVERTEMPERATURE PROTECTION..........................................................................................1-5
CHAPTER 1
SAFETY PRECAUTIONS/FEATURES
CHAPTER 2
GENERAL DESCRIPTION
SECTION 1
USER MANUAL

TABLE OF CONTENTS
PREPARATION FOR USE.............................................................................................................4-1
LIFTING INSTRUCTIONS..............................................................................................................4-1
MAIN POWER CONNECTION.......................................................................................................4-1
SINGLE PHASE CORD CONNECTED EQUIPMENT...................................................................4-2
THREE PHASE POWER CONNECTION ......................................................................................4-2
REMOVING TOP COVER OF CHAMBER ....................................................................................4-3
HUMIDITY SYSTEM (IF EQUIPPED) ............................................................................................4-3
FIGURES AND TABLES
Figure 1. Power Distribution Block.............................................................................................................4-2
Figure 2. Top Cover Removal ......................................................................................................................4-3
Figure 3. Refrigeration Power Pack (MCB 1.2 Cascade)...........................................................................4-4
Figure 4. Main Power Wiring (MCB)............................................................................................................4-5
Figure 5. Main Power Wiring (MCBH) .........................................................................................................4-6
Figure 6. Main Power Wiring (MC-3) ...........................................................................................................4-7
Figure 7. Main Power Wiring (MC-3 with EZT-570S Controller)................................................................4-8
Figure 8. Refrigeration Power Pack (MC-3)................................................................................................4-9
Table 1. Power Requirements......................................................................................................................4-2
START-UP INSTRUCTION SUMMARY.........................................................................................3-1
SUMMARY FOR STEP-BY-STEP SETPOINT OPERATION - EZT-430S ....................................3-1
CHAMBER PERFORMANCE (EZT-430S) ....................................................................................3-6
HIGH/ LOW LIMIT CONTROL ......................................................................................................3-6
START-UP INSTRUCTION SUMMARY - F4 (OPTIONAL) ...........................................................3-7
SINGLE SET-POINT OPERATION - HUMIDITY ...........................................................................3-9
CHAMBER PERFORMANCE (WATLOW F4) ...............................................................................3-9
START-UP INSTRUCTION SUMMARY - EZT-570S (OPTIONAL) .............................................3-10
PUMPDOWN................................................................................................................................ 3-11
SINGLE SETPOINT OPERATION ...............................................................................................3-12
MANUAL EVENT CONTROL ......................................................................................................3-13
PROFILE OPERATION................................................................................................................3-13
FIGURES AND TABLES
Figure 1. EZT-430S Controller .....................................................................................................................3-1
Figure 2. Watlow F4 Controller....................................................................................................................3-8
Figure 3. EZT-570S Controller ...................................................................................................................3-10
SECTION 2
INSTALLATION AND MAINTENANCE MANUAL
CHAPTER 3
OPERATING INSTRUCTIONS
CHAPTER 4
INSTALLATION

TABLE OF CONTENTS
INSPECTION SCHEDULE.............................................................................................................5-1
PREVENTIVE MAINTENANCE SCHEDULE ................................................................................5-1
DAILY .............................................................................................................................................5-1
MONTHLY ......................................................................................................................................5-1
YEARLY .........................................................................................................................................5-2
GENERAL VISUAL INSPECTION ................................................................................................5-3
TEST EQUIPMENT REQUIRED FOR MAINTENANCE................................................................5-3
SATURATED PRESSURE CHART PSIG......................................................................................5-7
SATURATED PRESSURE CHART BAR G...................................................................................5-8
HUMIDITY SYSTEM MAINTENANCE...........................................................................................5-9
CHANGING THE CARTRIDGE .....................................................................................................5-9
CLEANING THE HUMIDITY SENSOR........................................................................................5-10
WATER QUALITY ........................................................................................................................ 5-10
FIGURES AND TABLES
Table 1. Required Test Equipment ..............................................................................................................5-3
Table 2. General Troubleshooting Procedures ..........................................................................................5-4
Table 3. Humidity Troubleshooting Procedures ........................................................................................5-6
CHAPTER 6
WARRANTY AND SHIPPING INFORMATION
CHAPTER 5
MAINTENANCE INSTRUCTIONS
HOW TO CONTACT CSZ ..............................................................................................................6-1
HOW TO OBTAIN REPLACEMENT PARTS/PARTS ORDERING PROCEDURE........................6-1
STANDARD LIMITED EQUIPMENT WARRANTY

TABLE OF CONTENTS
CALIBRATION CERTIFICATES
ADDITIONAL UNIT SPECIFIC DOCUMENTATION AS REQUIRED
ELECTRICAL BILL OF MATERIALS
REFRIGERATION BILL OF MATERIALS
OPTIONS BILLS OF MATERIALS AS REQUIRED
ELECTRICAL SCHEMATIC SYMBOLS
REFRIGERATION SCHEMATIC SYMBOLS
LAYOUT DRAWING (IF REQUIRED)
ELECTRICAL SCHEMATIC
REFRIGERATION FLOW DIAGRAM
OPTIONS DRAWINGS, DIAGRAMS AND SCHEMATICS AS REQUIRED
SECTION 3
CHAMBER SPECIFIC DOCUMENTATION
CHAPTER 7
SPECIFIC INFORMATION
CHAPTER 8
PARTS LISTS
CHAPTER 9
SYSTEMS DIAGRAMS