Table of Contents
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Table of Contents
Summary of Contents for Grant RC350G
- Page 1 Recirculating Chiller RC350G-RC400G RC1400G-RC3000G Operating Manual...
- Page 2 Recirculating Chiller Part No 09931/Issue 10 Page 2 April 2010...
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Page 3: Table Of Contents
Undertemperature thermostat Safety devices Undertemperature thermostat Flow fail cut-out Overtemperature cut-out High pressure cut-out Compressor overtemperature thermostat Fault diagnosis Technical specification Maintenance Cleaning Replacement of fuses 7.2.1 RC350G, RC400G, RC3000G 7.2.2 RC1400G Guarantee Service Part No 09931/Issue 10 Page 3 April... -
Page 4: Safety
Recirculating Chiller Safety The following symbols marked on the equipment mean:- Caution: Read these operating instructions fully before use and pay particular attention to sections containing this symbol Caution: Surfaces can become hot during use. Always observe the following safety precautions Use only as specified by the operating instructions, or the intrinsic protection may be impaired. -
Page 5: Installation
Recirculating Chiller Installation Remove packing materials carefully, and keep for future shipment or storage of the unit. Packs contain: Recirculating chiller: RC350G, RC400G, RC1400G, RC3000G Mains cable Operating instructions Optional remote probe PRES Reservoir accessary pack: PRES Reservoir 2 x Clips 2 x 3/8”... -
Page 6: Connection For Closed Loop Circulation
Recirculating Chiller Rear view: RC3000G Remote alarm socket Overflow pipe Serial number label Inlet pipe 3/8" BSP male Outlet pipe 3/8" BSP male Wheels Brakes Brakes on front wheels. Push down to lock. Figure 2 Connection for closed loop circulation Use pipe of a suitable bore, which will withstand a pressure up to 40psi. -
Page 7: Siting The Chiller
Open the tap and position a container under the tap. Fill the reservoir until liquid flows from the overflow. Close the tap and proceed as: RC350G, RC400G and RC1400G. If the system is circulating through an open tank, refit the filler cap and fill the open tank. Plug in and switch the power on. -
Page 8: Remote Alarm Socket
Plug remote probe into socket on rear panel, if required. Place remote probe in liquid which is to be temperature controlled. Clamp in position so that it cannot be accidentally pulled out of liquid. Operation Not applicable for RC3000G Grant flow fail cooler Alarm override water / glycol power ¦... -
Page 9: The Controller
RC350G, RC400G and RC1400G control the liquid temperature by using a heater to balance the effect of the cooling power. They can also be used as heated circulators to raise and control the temperature of external equipment up to 60°C. -
Page 10: Setting High Alarm Offset
Recirculating Chiller 3.3.1 Setting high alarm offset After setting the required temperature, press the button until the display reads “1dHi”. Press and release the button to display the present value of the high alarm. Press the button again to set the new value for the high alarm. Example: If the set temperature is 15°C and you want the high alarm to operate if the temperature rises above 20°C , set the high... -
Page 11: Safety Devices
Recirculating Chiller Safety devices Undertemperature thermostat See section 3.6. There is no alarm for this function. Flow fail cut-out If there is no liquid flow everything stops working except the controller, and the alarms operate. When the chiller is first switched on there is no flow. Press the flow fail override switch for 5 seconds to start the flow. -
Page 12: Fault Diagnosis
Over temperature cut- Over temperature due to malfunction of cooler, heater or flow General alarm light fail. A competent technician should reset the cut-out, refer to the service manual. If the chiller fails to restart contact Grant's Controller displays service department. 1dHi... -
Page 13: Technical Specification
Class A equipment is suitable for use in establishments other than domestic and those directly connected to a low voltage power supply network, which supplies buildings used for domestic purposes. Supply voltage 220 - 240V 50Hz RC350G RC400G *RC1400G RC3000G... -
Page 14: Maintenance
Recirculating Chiller Maintenance All Grant laboratory products are designed to comply with IEC1010-1 and can be flash tested. Some are fitted with radio frequency interference suppressers. Therefore it is recommended that only a d.c. test is performed. Routine maintenance: Check monthly that dust is removed from the grilles. - Page 16 Grant Instruments (Cambridge) Ltd Shepreth Cambridgeshire SG8 6GB England Tel: +44 (0) 1763 260811 Fax: +44 (0) 1763 262410 Email: labsales@grant.co.uk www.grant.co.uk...
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