GAS HEATERS Model Nos: Little Devil • Devil 850 • Devil 1250 • Devil 1850 • Devil 3150 OPERATING & MAINTENANCE INSTRUCTIONS 0802
Should you experience difficulty in setting up or operating this equipment, please contact your Clarke dealer, or Clarke International helpline on: 020 8588 7400 For Spare Parts and Service, please contact your nearest dealer, or CLARKE International, on one of the following numbers. PARTS & SERVICE TEL: 020 8988 7400 PARTS & SERVICE FAX: 020 8558 3622 or e-mail as follows: PARTS: Parts@clarkeinternational.
Thank you for purchasing this CLARKE Gas Space Heater. This range of portable, direct fired gas heaters is designed to BS 4096 for industrial applications to give safe, efficient and reliable operation, and are for use with Propane Gas only. Propane gas bottles are not supplied with the unit, but are readily available from Builders Merchants or gas suppliers. As with all mechanical equipments, optimum performance will only be achieved if the correct application and servicing procedures are followed.
SAFETY PRECAUTIONS WARNING! Lack of ventilation can cause Carbon Monoxide poisoning. Carbon Monoxide poisoning can kill. Signs of Carbon Monoxide poisoning are, headaches, dizziness and/or nausea. Should anyone show these signs, they must GET FRESH AIR IMMEDIATELY. Turn off the heater and have it serviced before using again.
ELECTRICAL CONNECTIONS Connect the mains lead to a standard, 230 Volt (50Hz) electrical supply through an approved 13 amp BS 1363 plug, or a suitably fused isolator switch. With the exception of the Little Devil and Devil 650, the appliance may also be connected to a 110 Volt supply, through a suitably approved plug. The conversion to 110V, is by means of a switch, mounted on the rear panel of the unit, which is held in place by a lock plate.
UNPACKING On unpacking, check the heater for possible shipping damage. Should any damage be apparent, please notify your Clarke dealer immediately. Your heater is fully assembled, only the electrical and gas supply’s need connecting. PROPANE GAS SUPPLY These heaters are designed for use with PROPANE gas ONLY.
OPERATION Understanding the basic operation of the heater, will reinforce the need to maintain the unit in top condition at all times, whilst always observing the safety precautions. The heater comprises four basic systems: 1. The gas system. 2. The air system. 3. The ignition system. 4. The safety control system. 1. Air System An axial fan, which is energised when switching ON, provides the main air flow. 2.
STARTING PROCEDURE WARNING! Before starting the heater, you MUST ensure that the minimum ventilation requirements are observed, to avoid the risk of carbon monoxide poisoning. 1. Ensuring there is sufficient gas, and that it is correctly connected, open the valve on the gas cylinder, and open the regulator valve which is adjacent to the gas inlet pipe. (Not applicable on the Little Devil). 2.
STOPPING PROCEDURE 1. Turn OFF gas at source. (Turn off cylinder valve). 2. Disconnect gas supply. 3. Allow fan to run for 2 - 3 minutes with burner off, in order to allow casing to cool down. 4. Switch OFF fan, and disconnect electrical supply. Minimum fresh air opening requirements Heater Model Output Btu/hr Minimum Ventilation ft2 Minimum Ventilation mtrs2 Little Devil 34,000 0.25 0.023 Devil 650 60,000 0.36 0.035 Devil 850 78,500 0.75 0.07 Devil 1250 121,000 1.03 0.
MAINTENANCE It is essential that the heater is correctly maintained and kept in top condition at all times. IMPORTANT Before carrying out any adjustment or maintenance, ensure the heater is switched OFF, disconnected from the mains and gas supply’s, and has been given adequate time to cool down. All models are similar, in that access to the working parts, is gained by removing the rear panel, which is secured by 4 screws, (3 in the case of the Little Devil), around its’ edge.
TROUBLE SHOOTING FAULT Motor does not start CAUSE REMEDY 1. Check power supply, power 1. No power cable and fuse, and replace if necessary. 2. Faulty Motor/ Capacitor 2. Check and if necessary, replace. 3. Lock out of appliance due to overheating. 3. Detect cause of overheating. Wait for 5 mins, and restart. If condition persists, contact your Clarke dealer for advice. 1. Electrode in wrong position 1. Check position and reset if necessary. 2. Faulty connection between Piezo and electrode. 2.
WIRING DIAGRAMS IMPORTANT: The wiring to these heaters should not be tampered with under any circumstances. Should any wiring problems occur, contact your nearest CLARKE dealer or qualified electrician.
Devil 1850 B1 Safety Thermostat C1 Capacitor G1 Gas Valve M1 Fan Motor Q1 Switch Q2 Piezoelectric device S1 Starting Electrode S2 Thermocouple Y1 Solenoid Valve X1 Terminal Board Devil 3150 B1 Safety Thermostat B2 Room (External) Thermostat F1 Fuse M1 Fan Motor Q1 Switch S1 Ionisation Probe S2 Starting Electrode Y1 Solenoid Valve X1 Terminal Board 13
LITTLE DEVIL 14
LITTLE DEVIL No. Description Part No. No. Description Part No.
DEVIL 850 16
DEVIL 850 No. Description Part No. No. Description Part No.
DEVIL1250 18
DEVIL1250 No. Description Part No. No. Description Part No.
DEVIL1850 20
DEVIL1850 No. Description Part No. No. Description Part No.
DEVIL3150 22
DEVIL3150 No. Description Part No. No. Description Part No.
