VERDER CARBOLITE GERO PF 30 Manual

Installation, Operation and Maintenance Instructions
300 °C Peak Fan Convection Oven - PF Model: 30 Litres
No Controller
PF 30 + No Controller
MEN-PF030-006_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 5
2.0 Installation 6
2.1 Unpacking and Handling 6
2.2 Siting and Setting Up 6
2.3 Electrical Connections 8
3.0 Temperature Controller 10
4.0 Operation 11
4.1 Operating Cycle 11
4.2 Over-Temperature Control (if fitted) 11
4.3 Vents 11
4.4 Temperature Uniformity 12
4.5 Explosive Vapours 12
4.6 Atmospheres 12
4.7 Interior Light (if fitted) 12
4.8 Solenoid Valve with Manual Switch (if fitted) 12
4.9 Variable Speed Fan (if fitted) 13
4.10 Exhaust Fan (if fitted) 13
4.11 Stoving and Curing (if fitted) 13
4.11.1 Pre-heater (if fitted) 13
4.12 Door Switch (if fitted) 14
5.0 Maintenance 15
5.1 General Maintenance 15
5.2 Maintenance Schedule 15
5.2.1 Cleaning 17
5.3 Calibration 17
5.4 After-Sales Service 17
5.5 Recommended Spare Parts and Spare Parts Kit 17
5.6 Power Adjustment 17
6.0 Repairs and Replacements 19
6.1 Safety Warning - Disconnection from Power Supply 19
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6.2 Safety Warning - Refractory Fibre Insulation 19
6.3 Panel Removal 20
6.3.1 Side Panel 20
6.3.2 Internal Element Cover 20
6.4 Temperature Controller Replacement 21
6.5 Solid-State Relay Replacement 21
6.6 Thermocouple Replacement 21
6.7 Element Replacement 21
6.8 Fuse Replacement 22
7.0 Fault Analysis 23
A. Oven Does Not Heat Up 23
B. Oven Overheats 23
8.0 Wiring Diagrams 24
8.1 WV-11-00 24
8.2 WV-11-01 25
8.3 WV-11-04 26
8.4 WS-02-02 26
8.5 WS-02-06 - Variable Speed Fan 27
9.0 Fuses and Power Settings 28
9.1 Fuses 28
9.2 Power Settings 28
10.0 Specifications 29
10.1 Environment 29
3

1.0 Symbols and Warnings
1.1 Switches and Lights
Instrument switch: when the instrument switch is operated the
temperature control circuit is energised.
Door lock indicator: When this lamp is illuminated, the door is locked
and cannot be opened.
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
4

1.2 General Warnings
DANGER – Electric shock. Read any warning printed next to this
symbol.
WARNING: Risk of fatal injury.
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
5