Contherm Cat 1050 User manual

INSTRUCTION MANUAL

CAT 1050 –1400

STANDARD INCUBATORS

CONTHERM SCIENTIFIC LIMITED

P O BOX 30-605 LOWER HUTT 5040

TEL: (0064-4) 568 8034

FAX: (0064-4) 568 8095

EMAIL: contherm@xtra.co.nz

Manual7/1000_ZP21_0213 FEB 2013

WARRANTY STATEMENT

* * * * * * *

CONTHERM Scientific Company will guarantee CONTHERM equipment for

a period of twelve months from the date of installation against faulty

workmanship and fabricated materials. This guarantee covers the

replacement of component parts found to be defective and authorised

labour charges during this period.

Should a malfunction occur or condition develop beyond reasonable

acceptance the company will accept responsibility for returning the unit to

its factory specification at no cost to the Purchaser providing that the

operating instructions have been observed and the defect is due solely to

faulty design, material and workmanship. That the defective part be

returned, freight paid to the nearest sales service office. Units outside the

warranty period will be accepted and repairs will be covered under an

extension of the above for 90 days.

In remote installations where it is not possible for the company's or

agents' engineers to attend, authority may be given to allow the Purchaser

to arrange such service.

The Purchaser is required to remit the purchase price of the unit to the

supplier within the terms of that supplier's condition of sale. CONTHERM

Scientific Company will accept no liability or shall its agents for

consequent damage of any kind due to a malfunction or component

failure.

* * * * * * *

Manual7/1000_ZP21_0213 FEB 2013

STATEMENT of CONFORMITY

This CONTHERM cabinet conforms to the following standards:

Electrical Safety: Complies with AS/NZS3350:1:1994

EMC: Complies with EN 61326-1:1997

Manual7/1000_ZP21_0213 FEB 2013

CONTENTS

SECTION 1 Definition of Terms

SECTION 2 Introduction and Specifications

SECTION 3 Operating Instructions

SECTION 4 Theory of Operation

SECTION 5 Customer Troubleshooting and Maintenance

SECTION 6 Parts Lists for Spares and Accessories

IMPORTANT All electrical servicing must be carried out by

suitably qualified personnel only.

Manual7/1000_ZP21_0213 FEB 2013

SECTION 1 DEFINITION OF TERMS

For the purpose of our standard specifications the following definitions shall

apply:

a) WORKING SPACE

That portion of the internal space which is above the lowest shelf and

not less than 3cm from any wall (including roof).

b) CABINET TEMPERATURE

That temperature at the centre of the working space.

c) SPATIAL VARIATION

The difference between the midrange of all measured temperatures

obtained at one site and that at another site for those sites which give the

greatest difference.

d) TEMPORAL VARIATION

The maximum value of the temperature range obtained for the standard

site with the greatest range throughout the test interval.

e) TEMPERATURE OVERSHOOT

Any excess of actual over desired cabinet temperature during a heating

up period.

f) TEMPERATURE REPRODUCIBILITY

Temperature regained without alteration to controls.

g) TEST INTERVAL

Interval of time to which the steady state characteristics apply (Max 1

hour).

NB: All the above apply with an empty chamber.

For definitions and test methods refer: AS2853 : 1986 (and Appendices)

Manual7/1000_ZP21_0213 FEB 2013

SECTION 2 INTRODUCTION AND SPECIFICATIONS

The CONTHERM 1000 standard series range of incubators have been

expressly designed to give the widest choice of operating conditions consistent

with high reliability and low cost, the addition of a hi-resolution RTD control

system gives improved temperature performance over earlier models.

All specifications are quoted for a cabinet temperature of 37oC with an ambient

temperature of 20oC.

Construction - High quality stainless steel interior, full fibreglass insulation,

with non-jar magnetic door catch and corrosive resistant epoxy powder

coated exterior.

Safety - Fitted with an independent user adjustable Hi-Limit completely

separate from normal controls.

Convection - All units come with mechanical convection fan systems.

Electrical - All quoted at 37oC - ZP21 Micro-Controller mechanical

Convection.

-Designed to AS/NZS 3350.1.1994 220-250V AC M.E.N

EMC -Complies with EN 61326-1: 1997

PERFORMANCE:

a) Temperature:

Nominal Range Amb+2oC - 100.0oC

Temporal Variation +_ 0.2oC

Spatial Variation +_ 0.6oC

Initial Overshoot +2.0oC

Reproducibility +_0.4oC

Dial resolution 0.1oC

Operating Ambient 10oC - 35oC

Mains Voltage Range 220-250 AC 50Hz

b) Timer:

Timing range 1 minute - 99 hours 59 minutes

Timing Resolution 1 minute

NB: Timer does not start timing down UNTIL within 2.5oC of the

temperature SET POINT.

Manual7/1000_ZP21_0213 FEB 2013

SECTION 3 OPERATING INSTRUCTIONS

This appliance is NOT intended for use by young children or infirm persons

without supervision.

To set up unit for operation after unpacking and checking for damage proceed

as follows:

1) Install shelf runners: Fit lug into selected slot at rear of cabinet sidewall

and clip down into front slot to lock into place. Check heights of runners

are parallel.

2) Fit Shelves. Maximum shelf loading is 30Kg/shelf, maximum total for

cabinet is 100Kg.

3) Select a location handy to a 10amp electrical outlet.

4) Bench Units - Place on solid top with clearance underneath to allow

ventilation around entire cabinet.

5) Ensure a space of at least 150mm is allowed at the rear of the cabinet for

air circulation.

NB: Ensure ALL of the distinctly coloured cable ties (If fitted inside cabinet) are

REMOVED BEFORE operating the incubator.

NB: These cabinets are NOT suitable for operating with high humidity conditions

present inside. Humidity levels should be such that water does not condense on

the walls, floor or inside the outer door.

OPERATING CONTROLLER:

1) Plug cabinet into 220-250V Mains outlet.

2) Turn on main switch - The LED should show all 8888s then display the

current temperature in the cabinet. Do NOT press any buttons until after

the 8888’s have gone from the display.

3) Press and HOLD the temperature button (top) UNTIL the ‘SET’ LED

comes ON then RELEASE. The `SET' LED above the LED display

should now be ON!

4) While the ‘SET’ LED is On use the ‘UP’ & DOWN’ buttons to adjust the

SET POINT to the desired temperature.

5) WAIT for the display to return to normal; the ‘SET’ LED will then go off.

Manual7/1000_ZP21_0213 FEB 2013

6) The TIMER must now be set to run the cabinet - use the SAME method

as for the temperature EXCEPT press the ‘TIME’ button instead. To

obtain the special ‘[.]’ symbol for continuous operation, first adjust the

timer down until ‘0.00’ is reached, then press the down button once more

to get ‘99:59’ then the ‘up’ button to go 1 step above ‘99:59’ the special

‘[.]’ symbol should now be shown.

NB: the symbol ` [.] ' means run CONTINUOUSLY.

Setting the TIMER to 0.00 turns the cabinet OFF.

If the cabinet has TURNED OFF after the completion of a TIMED

operating period it is only necessary to PRESS and HOLD the

TIMER button until the ‘SET’ led comes on to REPEAT the TIMED run.

7) The cabinet will now attempt to obtain the SET POINT and control until

the TIMER runs out of time. The cabinet WILL NOT OPERATE if the

TIMER has been set to 0.00.

8) To look at the current TIME press the ‘TIME’ button for 2 seconds - the

amount of time left will nowbe displayed continuously.

To display the TEMPERATURE continuously - press the ‘TEMP’ button

for 2 seconds.

9) To CANCEL any Alarm (ie. 1- - - ) PRESS and HOLD the ‘TEMP’ button

until the ‘SET’ LED comes ON.

Ensure the mechanical user HI-LIMIT is set correctly as described in the

following section. The cabinet usually leaves the factory with the user HI-LIMIT

set fully anticlockwise, if left in this position the HI-LIMIT will not allowthe cabinet

to heat and control correctly.

FAN MOTOR

The fan motor may ‘PULSE’ when the ambient temperature is very close to the

set point temperature, this is due to the ‘Thermoguard’ mode of operation as the

controller attempts to lower the heating effect of the fan –a mechanical ‘pulse’

sound may also be heard.

Manual7/1000_ZP21_0213 FEB 2013

MECHANICAL HI-LIMIT MONITOR

The mechanical hi-limit is provided as a secondary safety device to protect the

cabinet from over temperature in the event of electronic controller failure.

To set the Mechanical Hi-Limit

Turn the Hi-Limit control FULLY CLOCKWISE.

Allow the cabinet to stabilise at the required operating temperature (for at least 1

hour), then turn the Hi-Limit control anti-clockwise until the MONITOR neon

comes on (or a slight 'click' is felt). Now turn the Hi-Limit control SLOWLY

CLOCKWISE until the MONITOR neon goes off (or a slight 'click' is felt), then

advance the Hi-limit clockwise 1-2 scale markings. This will set the Hi-Limit trip

point about 3 - 4oC above the current cabinet temperature.

WARNING: To prevent FIRE or SHOCK hazard, DO NOT expose this

product to rain or any type of moisture.

FOR YOUR SAFETY

To ensure safe operation the three-pin plug supplied must be inserted

ONLY into a standard three-pin power outlet that is effectively earthed

through the normal building wiring.

Extension cords are NOT recommended.

The fact that the equipment operates satisfactorily does NOT imply that

the power outlet is earthed and that the installation is completely safe. For

your safety, if in any doubt about the effective earthing of the power outlet,

consult a qualified electrician.

This appliance should be periodically tested according to the procedures

prescribed in AS/NZS 3760.

The basic safety checks and tests on electrical appliances required by AS/NZS

3760 are:

1. A visual check to ensure that there is no mechanical damage to

the supply cord, that controls etc. are in good working order and

that no parts are missing.

2. An earth continuity test.

3. An insulation resistance test.

In order to provide evidence of compliance, a label (signed and dated by the

person testing the equipment) may be placed on the tested appliance.

Manual7/1000_ZP21_0213 FEB 2013

ALARMS

All alarms are indicated by a number and three dashes on the LED display and

are accompanied by an audible alarm.

To CANCEL any Alarm (ie 1---) PRESS and HOLD the `TEMP’ button until the

‘SET’ LED comes ON.

ALARM MEANING

1--- This means the cabinet is OVER or UNDER temperature. If UNDER

temperature it could be due to the door being opened, otherwise

check the cabinet to determine if the Internal fan is still operating and that

the MECHANICAL Hi-Limit control is not interfering with normal

operation.

3--- Preset alarm - The cabinet has lost its control settings due to an internal

memory failure. Reset all control settings as desired and check the

calibration setting.

4--- This means that the TEMPERATURE sensing probe has failed (1000

RTD). The connections to the probe and the probe condition should be

investigated.

9--- This is a WATCHDOG alarm - The Electronic PCB has failed - Replace

the controller.

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