Related Manuals for rada 320 c
Summary of Contents for rada 320 c
- Page 1 320 c PRODUCT MANUAL IMPORTANT Installer: This Manual is the property of the customer and must be retained with the product for maintenance and operational purposes.
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Page 2: Table Of Contents
INDEX Page INTRODUCTION DESCRIPTION SAFETY : WARNINGS SPECIFICATION Important Points Normal Operating Conditions Operating Parameters Pressures/Flow Rates Temperatures Connections Standard Inlet Configuration Flow Control DIMENSIONS PACK CONTENTS INSTALLATION General Outlet position/Reversed inlets Installation COMMISSIONING Maximum Temperature Maximum Temperature Setting For Adjustable Temperature For Locked Temperature Commissioning Checks OPERATION... -
Page 3: Introduction
INTRODUCTION Rada Thermoscopic mixing valves are specified to meet the highest standards of safety, comfort and economy as demanded by todays users. All Rada products are designed, manufactured and supported in accordance with accredited BS EN ISO 9001:1994 Quality Systems. -
Page 4: Specification
Installations must comply with all Local/National Water Supply Authority Regulations/Byelaws, and Building and Plumbing (UK: BS6700) Regulations. Rada products are precision-engineered and should give continued superior and safe performance, provided:- - they are installed, commissioned, operated and maintained in accordance with... -
Page 5: Temperatures
Optimum Thermostatic Control Range: 30 - 50 Minimum Cold Water Temperature: 1 Maximum Hot Water Temperature: 85 Connections 320 c - Inlets: 3/4" BSP female thread/22 mm compression (compression fitting supplied) Outlet: 3/4" BSP female thread/22 mm compression (compression fitting supplied) -
Page 6: Standard Inlet Configuration
- right (marked blue) Flow Control Rada 320 c mixing valves do not have integral flow control; appropriate provision must be made for this in the outlet pipework. This can be in the form of stop-cock, mechanical timed-flow controller or solenoid. -
Page 7: Pack Contents
PACK CONTENTS Tick the appropriate boxes to familiarize yourself with the part names and to confirm that the parts are included. Rada 320 c 1 x 320 c 3 x Compression Nuts 3 x Olives 3 x Fittings 4 x Screws... -
Page 8: Installation
10. Inlet isolators must be used in the fully open position. 11. Do not install the Rada 320 c in a position where it may become frozen. Outlet Position/Reversed Inlets All Rada 320 c mixing valves are supplied with the inlet connections configured hot - left, cold - right, and top outlet as standard. -
Page 9: Installation
Installation Rada 320 c models have easily adjustable inlet elbows to accommodate rising or falling supplies. When unpacked, the inlet elbows are positioned to accept falling supplies. Should the installation require rising supplies then the inlet elbows will need adjusting. - Page 10 Inlet Pipework Outlet Pipework Compression Inlet Pipework Olive Wall Plugs Fitting Fixing Screws Isolation Screw Backplate Inlet Elbow Grub Screw Isolator Assembly Isolator Assembly Grub Screw Grub Screw (for removal of inlet elbow)
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Page 11: Commissioning
The maximum blend temperature obtainable by the user should be limited, to prevent accidental selection of a temperature that is too hot. All Rada Thermostatic mixing valves are fully performance tested and the maximum temperature is preset to approximately 43 C under ideal installation conditions at the factory. -
Page 12: For Locked Temperature
For Locked Temperature First, remove the temperature knob concealing cap and then the screw using the 3 mm hexagonal wrench (supplied). Pull off the hub. Decrease Temperature Temperature Knob Cartridge Stop Increase Temperature Screw Spindle Concealing Centre Stop Position Centre Stop Slot Indicator 3 mm Hexagon Wrench... -
Page 13: Commissioning Checks
Commissioning Checks (Temperatures should always be recorded using a thermometer with proven accuracy). Check inlet pipework temperatures for correct function of checkvalves. Operate the outlet flow control and check: Flow rate is sufficient for purpose. Temperature(s) obtainable are acceptable. All connections and mixer body are water tight. It is advisable to establish a performance check at this time, which should be noted for future reference as part of a Planned Maintenance Programme (a Maintenance Record Card has been provided with this Manual). -
Page 14: Fault Diagnosis
FAULT DIAGNOSIS Symptom Cause/Rectification a. Inlet supplies reversed (i.e. hot supply to cold inlet). 1. Only hot or cold Check. water from outlet. b. No hot water reaching mixing valve. Check c. Check filters and inlet fittings for blockage. d. Refer symptom 5 below. e. - Page 15 Symptom Cause/Rectification (Continued) 7. Water leaking Seal(s) worn or damaged. from valve body. a. Obtain Seal Pack, and renew all seals. b. (If leak persists from around temperature spindle). Renew cartridge assembly.
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Page 16: Maintenance
0.5 mm) will reduce the need to remove debris at each mixing valve point. Rada Service Engineers/Agents will call by prior arrangement, if required. Service Contracts may be undertaken, subject to survey - details upon request. Planned Maintenance Programmes... -
Page 17: Maintenance Procedures
Components are precision-made, so care must be taken while servicing to avoid damage. When ordering spare parts, please state product type, i.e. Rada 320 c, and identify part name and number (refer to PARTS LIST). A Seal pack is available, containing all the seals that may be necessary for renewal during maintenance or servicing. - Page 18 Cleaning/Renewal of Parts The interior surface of the mixing valve body must be clean before refitting the cartridge. Rinse the valve interior thoroughly in clean water to remove any debris before refitting the cartridge. Note! The body interior must be cleaned carefully and not damaged in any way. Do not use any abrasive material.
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Page 19: Check Valve Cartridges
Body Cartridge Guides Temperature Spindle Temperature Indicating Ring Cartridge Assembly Temperature Knob Screw Screw 'H' and 'C' marked on cartridge. Make Cartridge Cut-out To sure that the 'H' is Aid Removal lined up with the hot Concealing inlet and that the 'C' is lined up with the cold inlet 3 mm Hexagon... - Page 20 Remove the inlet elbow grub screws and remove the inlet elbows. Unscrew and remove the check valve housings. Push out the check valves. The check valve is not a serviceable item, so any apparent wear or damage will require its renewal. Re-assembly into the valve is a reversal of the above procedures.
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Page 21: Inlet Filters
It is essential that the inlet filters are cleaned or, if necessary, renewed as part of the six-monthly maintenance operations. Caution! Do not operate the Rada 320 c without filters. Product damage may occur. A filter pack is available containing two strainer screens and all the seals which may be needed during filter inspection. -
Page 22: Spare Parts
SPARE PARTS Spare Parts List 414 14 Body 414 43 Temperature Indicating Ring 414 50 Compression Fitting 414 51 Cartridge Assembly 414 80 Hub Pack 414 81 Adaptor, Female 414 84 Seal Pack - components identified 'A' 414 85 Screw Pack - components identified 'B' 414 86 Backplate Kit - components identified 'C' 414 87... - Page 23 Spare Parts Diagram 414 50 414 91 B, E B, E 414 81 B, C 414 93 414 87 B, E 414 88 414 51 B, E 414 93 414 15 414 87 414 93 414 80 414 43 414 92 575 09...
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Page 24: Customer Care
Spare Parts All functional parts of Rada products are kept for up to ten years from the date of final manufacture. If during that period, our stock of a particular part is exhausted we will, as an alternative, provide an equivalent new product or part at a price equating to the cost of repair to the old, bearing in mind the age of the product.