HORIZONTAL AIR FLOW OVEN Part Number: XOV-30-30-19.8-1A-SL MODEL: HF10-2 INSTALLATION AND OPERATIONAL MANUAL 10/10 4861585 Thermcraft,Inc. · 3950 Overdale Road · Winston Salem, NC 27107 info@thermcraftinc.com · www.thermcraftinc.
TABLE OF CONTENTS SECTION 1.0 RECEIVING AND INSPECTION SECTION 2.0 GRAPHIC SYMBOLS SECTION 3.0 INSTALLATION SECTION 4.0 CONTROL OVERVIEW SECTION 5.0 PRECAUTIONS SECTION 6.0 OPERATION SECTION 7.0 MAINTENANCE SECTION 8.0 TROUBLESHOOTING AND SERVICE SECTION 9.
1 Section RECEIVING AND INSPECTION Your satisfaction and safety require a complete understanding of this unit. Read the instructions thoroughly and be sure all operators are given adequate training before attempting to put the unit in service. NOTE: This equipment must be used only for its intended application; any alterations or modifications will void your warranty. 1.1 Inspection: The carrier, when accepting shipment, also accepts responsibility for safe delivery and is liable for loss or damage.
2 Section GRAPHIC SYMBOLS Your oven has been provided with a display of graphic symbols which is designed to help in identifying the use and function of the available user, adjustable components. 2.2 Indicates that you should consult your manual for further description or discussion of a control or user item. 2.3 Indicates “Adjustable Temperature”. 2.4 Indicates “AC Power ON”. 2.5 Indicates “High Limit Safety”. 2.6 Indicates “Manual Control”. 2.7 Indicates “Potential protective partition.
3 Section INSTALLATION Local city, county or other ordinances may govern the use of this equipment. If you have any questions about local requirements, please contact the appropriate local agency. Installation of the HF10-2 requires hard wiring and should be performed by a qualified electrical technician.
4 Section CONTROL PANEL OVERVIEW 4.1 Power Switch: The main power I/O (on/off) switch controls all power to the unit and must be in the I/ON position before any systems are operational. 4.2 High Limit Safety Thermostat: The High Limit Safety is an independent temperature control that must be adjusted by a flat-head screw driver. It prevents temperature runaway in the event that the Main Temperature controller fails.
5 Section PRECAUTIONS 5.1 The bottom surface of the chamber should not be used as a work surface. 5.2 This unit has been designed with a dampered vent(s) from the chamber. In order to work effectively and safely, some precautions will need to be taken by the operator. a. In most applications, the exhaust damper will need to be open during drying or degassing for best results. b. THIS OVEN IS NOT DESIGNED TO HANDLE COMBUSTIBLE GASSES, AND IS NOT AN EXPLOSION PROOF UNIT.
6 Section OPERATION All control functions are covered in the Jumo Manual. This is a simplified version. Unit must be plugged into correct rating power source. Check user supplied power source rating against serial plate. On ovens that need to be hard wired, must be done by a qualified electrical technician. 6.1 Push the power switch to the I/ON position, turn the Over Temperature Thermostat to its maximum position clockwise using a flat-head screw driver.
1. Push the PGM Button once and then navigate using the Down Arrows until you reach “CONF” in the bottom display. Up and 2. After you reach “CONF”, push the PGM Button again and use Up and Down Arrows to navigate until you reach “PRO” in the bottom display and push the “PGM” button again. 3. The display should now read “FNCT” in the bottom display and “2” in the top display. You will need to change the “2” to “0”. To do that, push the “PGM” button once and the “FNCT” should start flashing.
EXAMPLE PROGRAM Let’s say you want to have the oven to ramp up to 100°C in 30 minutes and control for 1 hour at 100°C. Then you want to ramp up to 150° in 30 Minutes and control for 2 hours. Then you want to cool down to start Set Point with Power Exhaust Outlet activated in one hour.
at -2 to match the process value to the independent thermometer. To navigate the control to the Offset Calibration mode, push the PGM button once and then push the up arrow once and the bottom display should read CONF. Then push the PGM button again and the display should say INP. Push the PGM button again and the display should read INP1. Push the PGM button again and the display should read SENS. This enters you in the Input/Configuration Menu. To navigate through the menu, press the up and down arrows.
7 Section MAINTENANCE 7.1 Cleaning: The unit chamber should be cleaned and disinfected on a regular basis. Remove shelving & shelving supports then clean thoroughly, including all corners using a suitable disinfectant that is appropriate to your application. Regular periodic cleaning is required. Special care should be taken when cleaning around sensing heads to prevent damage. DO NOT use chlorine based bleaches or abrasive cleaners as this will damage the stainless steel interior.
8 Section TROUBLESHOOTING TEMPERATURE Temperature too high 1/ controller set too high-see your Watlow users manual 2/ controller failed on – call Customer Service 3/ wiring error – call Customer Service Display reads "HI" or "400"+ Probe is unplugged, is broken or wire to sensor is broken – trace wire from display to probe; move wire and watch display to see intermittent problems Chamber temp spikes over set point and then settles to set point Recalibrate – see Watlow users manual Temperature too low 1/ h
Unit will heat up at all 1/ verify that controller is asking for heat by looking for controller light – if controller light is not on, there is a problem with the controller 2/check amperage – amperage should be virtually at maximum rated (data plate) amperage 3/ do all controller functions work? 4/ is the High Limit set high enough? – for diagnostics, should be fully clockwise with the pilot light never on 5/ has the fuse/circuit breaker blown? Indicated chamber temperature unstable 1/ ±0.
Motor doesn't move 1/ if shaft spins freely: check connections to motor and check voltage to motor 2/ if shaft rubs or is frozen, relieve binding and retest Motor makes noise 1) Make sure that the fan or blower wheel is not contacting its housing. Adjust the motor mounting bracket position to re-center the fan or blower wheel, if necessary. 2) Check the fan or blower wheel for damage or out of balance condition. Replace the fan or blower wheel if it is damaged or out of balance.
9 Section PARTS LIST Units are 220 Volt. Description Part No.
UNIT SPECIFICATIONS These units are 220 VAC. See the individual data plate of the unit for specific ratings. Weight Shipping Net HF10-2 660 lbs. 560 lbs. Dimensions HF10-2 Exterior WxDxH (in) Interior WxDxH (in) 42 x 38.5 x 48.125 25.875 x 26.875 x 24.812 Capacity Cubic Feet HF10-2 10.0 Temperature HF10-2 Range Uniformity Control 40 to 260C +1.0 @ 100C 0.
WIRE DIAGRAM 18
