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Instruction Manual
RING BLOW
TH
VFC 8
Series
• Read the instruction manual carefully before you install, put into operation and maintain the Ring Blow and
handle it properly.
• For the sake of safety, never modify the Ring Blow.
We take no responsibility for the troubles caused by repairing or modifying the product.
• Hand over this instruction manual surely to the end users, who actually install, operate and maintain the
Ring Blow.
• After having read the instruction manual, keep it at the place, where can be accessed by the persons, who
use it.
• The specification of the product may be changed without prior notification.
CAUTION
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Summary of Contents for Teral VFC 408
- Page 1 Instruction Manual RING BLOW VFC 8 Series CAUTION • Read the instruction manual carefully before you install, put into operation and maintain the Ring Blow and handle it properly. • For the sake of safety, never modify the Ring Blow. We take no responsibility for the troubles caused by repairing or modifying the product.
- Page 2 Introduction -------------------------------------------------------------------- Thank you for your purchasing of the Ring Blow. It is required for the Ring Blow for give full play to its performance, for preventing troubles from occurring and for continuing its satisfactory operation for a long period not only to maintain and inspect it after putting it into service but also to handle it properly in every stage after its delivery until its actual operation.
- Page 3 Alarm • The works of transport, installation, piping, wiring, operation, control, maintenance and inspection may only be executed by the experts, who are well skilled of handling the Ring Blows. Otherwise, an ELECTRIC SHOCK, an INJURY or a FIRE is feared. General •...
- Page 4 Caution • Take full care of fall and tumbling down during transportation. An INJURY is feared. • Lift up the Ring Blow equipped with a hanger bolt always after getting rid of loosening of the hanger bolt. But after mounting the Ring Blow on a machine, do not lift up the entire machine using the mounted hanger bolt.
- Page 5 Caution • Do not touch the terminal for measuring the insulation resistance. An ELECTRIC SHOCK is feared. • The Ring Blow becomes considerably hot during its operation. Take care not to Maintenance touch by your finger and body. A BURN is feared. , Inspection •...
- Page 6 Transport------------------------------------------------------------------------- Take care of the following points for transporting the Ring Blow. Caution 1. Take full care of fall and tumbling down during transportation. An INJURY is feared. 2. Lift up the Ring Blow equipped with a hanger bolt always after getting rid of loosening of the hanger bolt.
- Page 7 Name of parts------------------------------------------------------------------- Gutter Casing Terminal box Oil seal Motor Fan cover End cover Cooling fan Casing cover Impeller Suction port Delivery port Silencer （Cross section of VFC508A） Installation and Piping -------------------------------------------------------- 1 Take care of the following points for installing and adjusting the Ring Blow. Alarm 1.
- Page 8 2 Take care of the following ranges for the installation site and the gas to be transported. Caution Install at an indoor site, which is exposed to no wind and rain 1. Outdoor/indoor： Otherwise, an ELECTRIC SHOCK or a FAULT is feared. 2.
- Page 9 10. Use such pipes as PVC-pipes, gas pipes, flexible hoses etc., which can hold the Ring Blow pressure and hoses other then metallic one for discharge side, use those once, which have a sufficient high-temperature resistance. Lay piping so surely as to have no leakage (Figure 3). Kind of piping for suction port and delivery port.
- Page 10 12. The rotation direction shall be the arrow direction on the casing. The rotation direction can be seen at the shaft end at counter-blower side and it is also correct, if the wind direction coincides with the IN and OUT indicated at the pipe connection port. Reverse rotation is allowed, although the performance is reduced.
- Page 11 11. The Ring Blow will be continuously at within the operation range shown on the wind flow rate to static pressure curve (shown in the catalog). This operation range is so wide that the machine can be operated at nearly closed pressure but, if you operate it at high pressure, especially take care not to exceed the operation range.
- Page 12 Tolerable start/stop frequency for Ring Blow［Sw/Hr］ Model Value for frequency of 50/60Hz VFC088 – VFC308 30/20 VFC408 – VFC608 20/15 VFC708 – VFC908 15/10 *1 switch：one cycle of ON and OFF 13. The characteristics differ a little when the machine is used at suction side and when used at discharge side, as shown in the characteristics curve.
- Page 13 (Figure 6) Discharged air-temperature rise curve ※Common to VFC-PF,VFC-PN, VFC-AN, VFC-A-4Z 18. Wire the power cables with motor terminals surely according to wiring figure in the terminal box or Figure 7. (※Wiring type of VFC808 and VFC908 is direct start type at shipping, therefore, change wiring type VFC088P～VF508P VFC088～VFC708 Model...
- Page 14 Faults and Countermeasures----------------------------------------------- In case of occurrence of any fault in the Ring Blow, handle it properly referring to Table 1 “Fault States of Ring Blow and Countermeasures” (page 12) and taking care of the following points. Caution 1. Always only the expert shall investigate, repair, disassemble and modify the fault. An INJURY due to the Impeller edge or key groove, an ELCTRIC SHOCK or a FIRE is feared.
- Page 15 Table - 1 Fault States of Ring Blow and Countermeasures States of Fault Causes Countermeasures Switch-contact fault Repair switch-contact. Fuse blown Replace it. One phase of power supply Replace it. connection wires disconnected. Whining sound One phase of stator coils Request factory to repair it.
- Page 16 Parts List and Disassembled Drawings ---------------------------------- The Parts List of Ring Blow is shown below. The Parts No. in Parts List corresponds to those in Disassembled Drawings. Caution: Some parts are not used for some machine models. Part No. Name of Part Part No.
- Page 17 VFC088A～VFC608A, VFC088P～VFC508P VFC708A～VFC908A...
- Page 18 VFC088AF～VFC608AF, VFC088PF～VFC508PF...
- Page 19 Guarantee Period and Scope of Guarantee ---------------------------- ＜Product guarantee and scope of guarantee＞ ・The guarantee period of for product shall be 1 year after shipment to the specified destination. If any fault has occurred during the guarantee period in a proper use condition within he product specification range, the faulty part will be exchanged or repaired free of charge.
- Page 20 Head Office 230, Moriwake, Miyuki-cho, Fukuyama-city, Hiroshima, 720-0003, Japan Tel.+81-84-955-1111 Fax.+81-84-955-5777 www.teral.net 2016 06 E‑IMN‑00367‑000‑T...
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