CSZ MICRO-TEMP LT 749

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OPERATION AND TECHNICAL MANUAL MICRO-TEMP

LT, Model 749

Page 3 of 75

MIC RO-TEMP

LT Symbols / Definitions

Temperature Set

Low Water Level

Water

Temperature

Temperature Set

Point Indicator

Increasing

Temperature

Decreasing

Temperature

OFF / ON Switch

O / I

CAUTION

AC Voltage

Power Failure

Fuse

Risk of Explosion:

Do not use in the

Presence of Flammable

Anesthetics

Disconnect Power Before

Servicing

Danger; Risk of

Electric Shock

Separate Disposal for Electrical

/ Electronic Equipment

Attention: Read

Operation Instructions

and Manual Before

Operating

ESD

Susceptibility

Type BF

Equipment

Equipotentiality

Earth (Ground)

INCREMENT

(Increase

Temperature)

DECREMENT

(Decrease

Temperature)

Temperature Set

Display

Celsius

Main Page

Table of Contents7
Before You Call for Service10
In-Warranty Repair and Parts10
Receiving Inspection10
Important Safety Information10
General Safety Precautions11
General Description of this Manual11
General Description of the Micro-Temp Lt System11
Physical Description of the Micro-Temp12
- Lt Unit12
- 1-3.1. External Features - Front View12
- 1-3.2. External Features - Rear View14
- 1-3.3. External Features - Membrane Control Panel16
Required Accessories18
Functional Description of the Micro-Temp Lt System18
- 1-5.1. Theory of Operation18
- 1-5.2. Heating System18
- 1-5.3. Circulating System18
- 1-5.4. Temperature Safety Control System19
Section 2. General Preparation of the Micro-Temp20
- Lt System20
Introduction20
Unpacking the Shipment20
First Time Set-Up/System Test Routine20
- 2-3.1. Inspecting and Arranging the Equipment20
- 2-3.2. Completing a System Test Routine21
Unit and Patient Related Precautions23
Patient Preparation and Bedside Care23
Section 3. Operating the Micro-Temp Lt Unit25
Introduction25
Arranging the System Components25
Operating the Micro-Temp Lt System27
Concluding Localized Heat Therapy Treatment28
Status Display and Indicator Messages29
Section 4. General Maintenance of the Micro-Temp Lt System31
Introduction31
- 4-1.1. Test Equipment Required31
Maintenance of the Water Reservoir33
- 4-2.1. Draining the Reservoir33
- 4-2.2. Replenishing the Reservoir33
- 4-2.3. Disinfection/Dry Storage Procedure for Circulating Water Units34
Maintenance of the Micro -Temp ® Lt Unit Exterior - Cleaning Instructions36
Disposal of the Localized Heat Therapy Pads36
Current Leakage Test36
Ground Continuity Test37
Flow Rate Test37
1°C (2°F) over Set Point Check38
Temperature Accuracy Check38
High Limit Safety Check39
Low Water Indicator Check39
Power Failure Indicator Check40
Tilt Switch Indicator Check41
Section 5. Field Repair/Service of the Micro-Temp41
- Lt Unit41
Introduction42
Access to the Interior of the Micro-Temp44
- Lt Unit44
- 5-2.1. Separating the Front and Rear Enclosures44
- 5-2.2. Reconnecting the Front and Rear Enclosures44
- 5-2.3. Disconnecting the Cables from the Control Board45
- 5-2.4. Disconnecting the Cables from the Display Board45
Replacement of the Heater46
Replacement of the Pump47
Replacement of the Reservoir49
Replacement of the Twin Black Tubing50
Replacement of the Water Temperature Sensor (Thermistor)50
Replacement of the I/O Power Switch51
Replacement of Fuses in the I/O Power Switch53
Replacement of the Water Level Sensor Assembly53
Replacement of the Control Board And/Or Display Board And/Or the Membrane Control Panel55
Troubleshooting Guide57
Section 6. Parts Information62
Introduction62
Ordering Information for Replacement Parts62
Recommended Replacement Parts Inventory62
Returning Parts under Warranty63
Shipping Parts63
Section 7. Specifications and Certifications of the Micro- Temp Lt70
- Table 1 Guidance and Manufacturer's Declaration – Electromagnetic Emissions72
- Table 3 Guidance and Manufacturer's Declaration– Electromagnetic Immunity that Is Not Used for Life Support73
Worldwide Order Placement75

CSZ MICRO-TEMP LT 749 - Page 3

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