VERDER CARBOLITE GERO CR/130 Manual

Installation, Operation and Maintenance Instructions
250°C Clean Room Oven - CR Model: 130 Litres
No Controller
CR/130 + No Controller
MEN-CR130-005_NOCTRL (18-10-2021)

Contents
This manual is for guidance on the use of the Carbolite Gero product specified on the
front cover. This manual should be read thoroughly before unpacking and using the
furnace or oven. The model details and serial number are shown on the back of this
manual. Use the product for the purpose for which it is intended.
1.0 Symbols and Warnings 4
1.1 Switches and Lights 4
1.2 General Warnings 4
2.0 Installation 6
2.1 Unpacking and Handling 6
2.2 Siting and Setting Up 6
2.3 Electrical Connections 7
3.0 Temperature Controller 9
4.0 Operation 10
4.1 Operating Cycle 10
4.2 Over-Temperature Control (if fitted) 10
4.3 Vents 10
4.4 Temperature Uniformity 11
4.5 Explosive Vapours 11
4.6 Atmospheres 11
4.7 Interior Light (if fitted) 11
4.8 Solenoid Valve with Manual Switch (if fitted) 11
4.9 Variable Speed Fan (if fitted) 12
4.10 Exhaust Fan (if fitted) 12
4.11 Stoving and Curing (if fitted) 12
4.11.1 Pre-heater (if fitted) 12
4.12 Door Switch (if fitted) 13
5.0 Maintenance 14
5.1 General Maintenance 14
5.2 Maintenance Schedule 14
5.2.1 Cleaning 16
5.3 Calibration 16
5.4 After-Sales Service 16
5.5 Recommended Spare Parts and Spare Parts Kit 16
5.6 Power Adjustment 16
6.0 Repairs and Replacements 18
6.1 Safety Warning - Disconnection from Power Supply 18
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6.2 Safety Warning - Refractory Fibre Insulation 18
6.3 Panel Removal 18
6.4 Temperature Controller Replacement 19
6.5 Solid-State Relay Replacement 19
6.6 Thermocouple Replacement 19
6.7 Element Replacement 20
6.8 Fuse Replacement 20
7.0 Fault Analysis 22
A. Oven Does Not Heat Up 22
B. Oven Overheats 22
8.0 Wiring Diagrams 23
8.1 WV-11-01 23
8.2 WS-10-01 - Isolating for 208 V version only 24
9.0 Fuses and Power Settings 25
9.1 Fuses 25
9.2 Power Settings 25
10.0 Specifications 26
10.1 Environment 26
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1.0 Symbols and Warnings
1.1 Switches and Lights
Instrument switch: when the instrument switch is operated the
temperature control circuit is energised.
Interior light: when the interior light switch is operated the interior
light illuminates.
Solenoid valve (if fitted): see section 4.8 for full details
Variable speed fan (if fitted): see section 4.9 for full details
Exhaust fan (if fitted): see section 4.10 for full details
Stoving and curing (if fitted): see section 4.11 for full details
1.2 General Warnings
DANGER – Electric shock. Read any warning printed next to this
symbol.
WARNING: Risk of fatal injury.
4

DANGER – Hot surface. Read any warning printed next to this
symbol.
WARNING: All surfaces of a product may be hot.
DANGER – Read any warning printed next to this symbol.
Caution – Double Pole/Neutral Fusing
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