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Table of Contents

Chapter 8 – Maintenance _____________________________________________________ 8-1

Preventive Maintenance Intervals __________________________________________________ 8-1

Maintenance Procedures __________________________________________________________ 8-2

How to clean the chamber interior and exterior. _______________________________________________ 8-2

How to listen for abnormal noise or vibration. ________________________________________________ 8-2

How to inspect the door seal. _____________________________________________________________ 8-2

How to inspect the refrigeration machinery compartment. _______________________________________ 8-3

How to check the low-stage refrigerant charge. _______________________________________________ 8-3

How to verify the chamber performance. ____________________________________________________ 8-4

How to inspect the electrical compartment. __________________________________________________ 8-5

How to clean the condenser. ______________________________________________________________ 8-5

How to verify the calibration. _____________________________________________________________ 8-5

Theory of Operation ______________________________________________________________ 8-7

Troubleshooting _________________________________________________________________ 8-9

Refrigeration System Charging Instructions _________________________________________ 8-11

R-404A High-Stage Charge _____________________________________________________________ 8-11

R-508B Low-Stage Charge ______________________________________________________________ 8-11

Recommended Spare Parts _______________________________________________________ 8-12

Major Electrical Parts __________________________________________________________________ 8-13

Major Refrigeration Parts _______________________________________________________________ 8-14

General Parts _________________________________________________________________________ 8-14

EZ-Zone Limit Controller Setup Parameters ________________________________________ 8-15

Setup Menu __________________________________________________________________________ 8-15

Operations Menu ______________________________________________________________________ 8-15

Chapter 9 - Warranty ________________________________________________________ 9-1

Chapter 10 – Drawings ______________________________________________________ 10-1

Содержание 1016C

Страница 1: ...1027C Temperature Chamber 1016C all serial numbers 1027C serial number 50625 and above Operation and Service Manual TestEquity LLC 6100 Condor Drive Moorpark CA 93021 Support 877 512 3457 Toll Free 80...

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Страница 3: ..._______________________________________________________________________ 3 2 COOL Light __________________________________________________________________________ 3 2 Loading the Chamber ______________...

Страница 4: ..._________________________________________________ 8 5 Theory of Operation______________________________________________________________8 7 Troubleshooting _____________________________________________...

Страница 5: ...30 C 85 F or below 16 C 60 F ambient room temperature is NOT recommended CAUTION The Input Voltage label on the back of the chamber indicates the input voltage configuration as shipped from the factor...

Страница 6: ...n Do not attempt to modify the setup values unless you thoroughly understand what you are doing The correct values are documented in the EZ Zone Limit Controller Setup Parameters section of this manua...

Страница 7: ...need to open the door while the chamber is operating wear safety goggles to prevent the high velocity airflow from blowing particles or objects into your eyes WARNING This chamber operates at extreme...

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Страница 9: ...t the electrical compartment b Inspect the refrigeration machinery compartment c Check the low stage refrigeration charge e Verify the chamber performance Installation Location The chamber will produc...

Страница 10: ...onfiguration This chamber can be easily configured for operation from a 208 V 60 Hz or 230 V 60 Hz 3 Phase nominal input Other input voltages and 50 Hz operation are available as special options and a...

Страница 11: ...nch circuits on the load side of the Main Disconnect Switch are individually fused However your local electrical code may require a separate disconnect switch within sight of the chamber Power Source...

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Страница 13: ...details on how to use the Temperature Controller CAUTION This chamber has a crankcase heater to protect the high stage compressor The chamber must be connected to the power source AND the Main Disconn...

Страница 14: ...re ensures the longest possible life for the high stage compressor if the chamber has been removed from the power source for more than 24 hours CONDITIONING Switch ON Mode The CONDITIONING Switch enab...

Страница 15: ...nd surfaces that are hot or cold to prevent severe burns or frostbite Protective gloves are recommended CAUTION If your test sample is energized it may be capable of raising the workspace temperature...

Страница 16: ...during low temperature operation or water when maintaining over 0 C and cooling is required To avoid moisture condensation make sure the port plugs are inserted at all times Also avoid opening the cha...

Страница 17: ...and is written by the manufacturer Watlow for a wide variety of applications and configurations Not all features or functions are applicable Only the capabilities of a model PM6L1AJ AAAABAA are appli...

Страница 18: ...han your actual chamber temperature set point to prevent nuisance tripping 5 Press the RESET Key to return to the Home Page 6 The upper display will show the actual chamber temperature while the lower...

Страница 19: ...t can be used to remove power to your test sample if the Limit Controller s temperature limits are exceeded The safety contacts are rated as follows Resistive 10 A 250 VAC or 10 A 28 VDC Inductive 7 A...

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Страница 21: ...Connect the hose from the Dry Air system to the fitting which is designated PURGE on the rear panel Connect a supply of compressed air to the 3 8 inch FPT shutoff valve of Dry Air system Connect the...

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Страница 23: ...nstallation be determined by a qualified electrician who is familiar with industrial plant wiring I need to send the chamber outside North America Will it work with their power Outside North America m...

Страница 24: ...the temperature set point may be 25 0 C The actual temperature varies between 25 4 C and 24 5 C This corresponds to 0 4 C and 0 5 C or a total of 0 9 C of RELATIVE variations These specifications are...

Страница 25: ...ssor if the chamber has been removed from the power source for more than 24 hours Can the person who services our air conditioning also service the chamber Probably not Most air conditioning mechanics...

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Страница 27: ...Time Cool Down Example empty From 85 C to 40 C 125 C 23 min 5 4 C min Heat Up Example empty From 40 C to 85 C 125 C 15 min 8 3 C min Input Power Requirements 230 V 10 60 Hz 3 PH Max Current Draw 39 A...

Страница 28: ...e empty From 85 C to 40 C 125 C 28 min 4 46 C min Heat Up Example empty From 40 C to 85 C 125 C 17 min 7 35 C min Input Power Requirements 230 V 10 60 Hz 3 PH Max Current Draw 39 A Recommended Service...

Страница 29: ...aintenance Intervals Daily or As Needed Clean chamber interior and exterior Listen for abnormal noise or vibration Every 3 Months Inspect the door seal Inspect the refrigeration machinery compartment...

Страница 30: ...gnize changes from normal operating noises can be a valuable way to identify problems and prevent further damage Examples of noises to be aware of include Circulator motor and fan noises with compress...

Страница 31: ...wo low stage gauges marked R 508B on the left side of the rear of the chamber 3 The two gauges have different scales However they should read the same value of pressure This indicates that the system...

Страница 32: ...tes 5 The chamber temperature should slowly increase and stabilize to 85 C It should NOT overshoot beyond 85 C by more than a few tenths of a degree and the compressors should NOT need to turn ON in o...

Страница 33: ...seldom goes out of calibration If you try to calibrate the instrumentation before determining that calibration is necessary you may make it worse if done incorrectly Variations in temperature through...

Страница 34: ...er For the F4T Controller If calibration of the temperature controller is necessary refer to the F4T Touch Screen Controller User s Guide For the F4 Controller If calibration of the temperature contro...

Страница 35: ...w temperature safety limits are exceeded TCR2 turns off CR3 which turns off C1 PCR1 will disable CR1 if the input power phase sequence is incorrect Cooling is accomplished by a cascade refrigeration s...

Страница 36: ...cuum The hot gas regulator is adjusted to keep the suction pressure at 8 PSIG when SV1 is OFF This is also called bypass mode The temperature controller alternately cycles SV2 and SV1 through cool rel...

Страница 37: ...SR2 is defective Heater is shorted to chassis Does not cool at all 1 If F4T upper PWR bar is 100 F4 controller light 1B is ON F4T Compressor Output F4 DigitalOut 8 is ON the Cool light on front panel...

Страница 38: ...pped from TestEquity and only occurs in cool mode 1 Re enter values as shipped from TestEquity 2 Control parameters may need to be changed for your unique test conditions 3 Control parameters may need...

Страница 39: ...g performance as outlined in How to verify the chamber performance NOTE If the Temperature Controller is cycling Cool Light cycles on off the sightglass may appear 1 2 to 2 3 full This is normal R 508...

Страница 40: ...ing out of service for even one day then you should purchase critical spare parts in advance Although most parts are standard and available from a variety of local distributors some parts are either h...

Страница 41: ...1 200023 1 ea Switch ON OFF ON Carlingswitch RC911 RA B 0 N XLR1 SW2 200275 1 ea F4 Temperature Controller Watlow F4SH CKA0 01AE TCR1 200001 1 ea F4T Temperature Controller Watlow F4T1L2EAA2E1017 TCR1...

Страница 42: ...ion Valve Suction Cool LS Sporlan SBFS B ZP 3 8 x 5 8 odf 26 100507 1 ea Filter Drier Sporlan C 083 S 4 100070 2 ea Gauge 0 x 400 PSIG Pressure Miljoco CUSTOM 13 100495 2 ea Gauge 30 x 200 PSIG Compou...

Страница 43: ...Sd Limit Sides both Alt high High only or LoW Low only L hY Limit Hysteresis 2 Change not recommended A ty Alarm Type oFF Do Not Change PAr1 Upper Display ACPu Alt none PAr2 Lower Display Lst Alt Lh...

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Страница 45: ...r labor if they initiate service on their own without prior approval from TestEquity Replacement parts must be supplied by TestEquity for in warranty claims Purchaser will not be reimbursed for parts...

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Страница 47: ...Chapter 11 Drawings TestEquity 1016C 1027C Temperature Chamber Page 10 1 Chapter 10 Drawings...

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Страница 49: ...P CC 20 LP CC 20 Main Disconnect Switch DSW TB1 TB2 Control Transformer TR1 F1 F2 F7 F8 C1 C2 SSR2 SSR1 CR1 CR3 FNM 3 F3 F9 F4 F5 F6 PCR1 F10 F11 C3 F12 SSR4 TM1 SSR3 TB2 Terminals H1 H2 H3 G G G TB1...

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