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ENCON

SAFETY PRODUCTS

SAF-T-FLO

EMERGENCY SHOWER & EYEWASH

WATER TEMPERING SYSTEM

INSTALLATION, OPERATION

AND MAINTENANCE MANUAL

MODEL:

STF30 & STF60 SERIES

09900003A Rev. F



Safety Products 2004

June 10, 2004

Printing

Patent # 6,270,014 B1

Содержание SAF-T-FLO STF30 Series

Страница 1: ...F T FLO EMERGENCY SHOWER EYEWASH WATER TEMPERING SYSTEM INSTALLATION OPERATION AND MAINTENANCE MANUAL MODEL STF30 STF60 SERIES 09900003A Rev F Copyright Encon Safety Products 2004 June 10 2004 1st Printing Patent 6 270 014 B1 ...

Страница 2: ...EW station or plumbed to serve multiple ESEW stations OPERATIONAL SPECIFICATIONS Electrical Requirement No heater 120 Volt AC 0 16 Amp With heater 120 Volt AC 1 0 Amp No heater 240 Volt AC 0 16 Amp Alarm relay capacity 3 Amps Size STF30 Series Without case 32 long X 18 wide X 9 deep With case 37 long x 22 wide x 15 7 8 deep STF60 Series Without case 42 1 8 long X 18 wide X 11 deep With case 42 1 8...

Страница 3: ...ND INSTALLATION A DIRECTIONS 1 Remove Saf T Flo from shipping carton pallet 2 Inspect unit for external damage If damages are discovered notify your transport carrier and proceed with claim with the transport carrier 3 Mount Saf T Flo to wall structural steel or I beam using the mounting bolt holes located in the piping support steel within the enclosure if there is one The Saf T Flo can be positi...

Страница 4: ... a shower unit down stream of the Saf T Flo and observing the Water Outlet Temperature gauge and indicator lights During flow conditions the Water Outlet Temperature gauge should be between 80 and 90 F 26 7 and 32 2 C and LED will indicate the following POWER ON BLENDING and FLOW indicators will be lit Should the BLENDING or FLOW indicator light remain off following activation of flow consult Sect...

Страница 5: ...power off disconnect 1 FLS power leads from 1TB1 and 1TB3 Tie a piece of pulling line to the wires to assist in re assembly c The flow switch is a pressure component ensure all water lines are drained d Separate conduit union at the electrical conduit run to the flow switch e With the conduit union separated loosen the 1 FLS bonnet nut using an adjustable wrench Remove the bonnet ring Rotate bonne...

Страница 6: ...hermostatic control device The valve has a factory pre set fixed set point and is non adjustable In operation the valve plug modulates proportioning the hot and cold water allowing the temperature control element to adjust to it s designed set point 80 to 90 F 26 7 to 32 2 C Maintenance of the 1 TCV is limited to replacement of the temperature control element and seals when variation in the contro...

Страница 7: ... element with the o ring installed into the inlet port section of the valve body assembly Place the other lubricated flat rubber gasket firmly on the body recess to ensure a proper seal c Replace the outlet port valve body section and tighten the four 4 valve body bolts d Reconnect the pipe union to complete installation C SYSTEM THERMOSTAT 1 TAS The system thermostat 1 TAS is a non adjustable fix...

Страница 8: ...ation replace thermostat 1 TAS See Section VI REPLACEMENT PARTS 6 Replacement procedure is the reverse order of disassembly 7 Rewire and connect 1 TAS power leads to 1TB4 and 1TB5 for normal operation D THERMOMETER 1 TI The bimetal thermometer provides a visual temperature reading of the outlet water Maintenance is limited to periodic cleaning and periodic calibration of the instrument as determin...

Страница 9: ...y closed valve is located in the blended water outlet line It is used to shut off the water flow if high temperature is detected by thermostat 1 TAS These two valves are wired in parallel and are controlled by a flow switch 1 FLS and thermostat 1 TAS 1 SOL and 2 SOL are used to control and direct water flow in order to provide redundant safe guards against hot water leaving the blending system The...

Страница 10: ...Saf T Flo and return unit to pre test condition NOTE Never replace a shorted solenoid until the cause has been determined i e plugged or worn plunger seal no voltage over voltage etc Consult Section V TROUBLESHOOTING b Removal instructions for 1 SOL solenoid 1 With power off disconnect 1 SOL power leads from 1TB5 6R and 1TB2 2W3 Tie a piece of pulling line to the wires to assist in re assembly 2 S...

Страница 11: ...he cover cannot be easily lifted off the valve body laterally tap the cover or gently pry the cover from the body with a screwdriver Care should be taken not to damage the diaphragm cover or body 1 3 To disassemble the diaphragm assembly remove the lock nut seal diaphragm support plate O ring and screw 2 Clean components using appropriate cleaning fluid mild soap and water 3 Examine these componen...

Страница 12: ...nput torque of 110 150 in lbs 1 5 Install the snubber plunger wave washer stop seal retainer and plunger return spring in the sleeve Install flange seal and tighten at sleeve flange using wrench nut with an input torque of 130 150 in lbs 2 Solenoid 2 1 With the solenoid repositioned on the sleeve slide washer over sleeve replace nut and tighten nut with an input torque of 45 53 in lbs NOTE Never a...

Страница 13: ...m 4 in Section VII 3 STF30 series Separate the conduit union located at the conduit elbow STF60 series Separate conduit union at 2 SOL This will free 2 SOL from the junction box 4 Remove the nut and washer from the solenoid This will allow you to separate the solenoid from the valve body 5 STF30 series Remove the solenoid and leads from the electrical conduit assembly by turning the solenoid count...

Страница 14: ...tions 1 Valve body 1 1 Parts must be replaced in the order and orientation shown in explosion view of parts refer to Diagram 6 in Section VII 1 2 Assemble O ring into the body groove Replace plunger return spring over plunger and install plunger diaphragm with the diaphragm installed into the sleeve cover assembly Avoid damaging the main orifice when placing the diaphragm assembly in the valve 1 3...

Страница 15: ...nd must remain properly connected to facilitate rapid maintenance 2 In the junction box bypass the flow switch 1 FLS by placing a temporary jumper wire from TB1 to TB3 This will keep the 1 CR energized Be sure to tag the bypass jumper for identification 3 Disconnect 1 SOL power leads from terminal TB5 6R and connect to TB1 The 1 SOL valve should now be held CLOSED 4 With both cold and hot water su...

Страница 16: ...ams 2 and 4 in Section VII for reference 1 Heater 1 HTR a Carefully open junction box cover while protecting the indicating light wiring The indicating light leads are wired to the terminal strip and must remain properly connected to facilitate rapid maintenance b With power off disconnect heater 1 HTR power leads to 1TB6 and 1TB2 Tie a piece of pulling line to the wires to assist in re assembly c...

Страница 17: ...d 1TB6 c Separate conduit union at the junction box This will free the 2 TAS from the junction box d Replace with new 2 TAS See Section VI REPLACEMENT PARTS e Tighten conduit union and rewire 2 TAS power leads to 1TB4 and 1TB6 for normal operation CAUTION CAUTION CAUTION PRIOR TO ATTEMPTING MAINTENANCE TO AVOID ELECTRICAL SHOCK DE ENERGIZE SAF T FLO AT MAIN ELECTRICAL POWER SUPPLY AND DRAIN ALL WA...

Страница 18: ...ply too hot 1 Correct and reconnect 2 Correct overheating of cold water supply Blended water pulses from hot to cold to hot etc Flow may be below the 2 0 GPM flow switch 1 FLS set point Increase flow rate of supply water to or from blending system Solenoid valve is sluggish or inoperative but electrical supply and pressure check out Internal components in the solenoid valve body may be damaged dir...

Страница 19: ...OL FOR STAINLESS STEEL MODELS ONLY TBD TBD N A Valve Rebuild Kit for 2 SOL 00010943 00010943 TBA Valve Rebuild Kit for 2 SOL FOR STAINLESS STEEL MODELS ONLY TBD TBD N A Solenoid Valve N O 1 SOL 00010930 00010931 00010932 Solenoid Valve N O FOR STAINLESS STEEL MODELS ONLY 1 SOL 00010947 00010948 N A Solenoid Valve N C 2 SOL 00010928 00010929 00010933 Solenoid Valve N C FOR STAINLESS STEEL MODELS ON...

Страница 20: ...Doc No 09900003A Rev F Page 19 of 26 Issue Date 07 19 11 VII DIAGRAMS ...

Страница 21: ...of 26 Issue Date 07 19 11 Patent 6 270 014 B1 ID Description 1 CV Check Valve 1 TCV Blending Valve 1 SOL Solenoid Valve bypass 2 SOL Solenoid Valve blended supply 1 TI Temperature Indicator 1 FLS Flow Switch 1 TAS Temperature Switch ...

Страница 22: ...Doc No 09900003A Rev F Page 21 of 26 Issue Date 07 19 11 EMERGENCY SHOWER WATER TEMPERING SYSTEM SAF T FLO DIAGRAM 2 STF30 SERIES SHOWN Patent 6 270 014 B1 ...

Страница 23: ...Doc No 09900003A Rev F Page 22 of 26 Issue Date 07 19 11 DIAGRAM 3 STF60 SERIES SHOWN Patent 6 270 014 B1 ...

Страница 24: ...Doc No 09900003A Rev F Page 23 of 26 Issue Date 07 19 11 DIAGRAM 4 ELECTRICAL SCHEMATIC Patent 6 270 014 B1 ...

Страница 25: ...Doc No 09900003A Rev F Page 24 of 26 Issue Date 07 19 11 DIAGRAM 5 1 SOL SOLENOID VALVE COMPONENT PARTS ...

Страница 26: ...Doc No 09900003A Rev F Page 25 of 26 Issue Date 07 19 11 DIAGRAM 6 2 SOL SOLENOID VALVE COMPONENT PARTS ...

Страница 27: ... of purchase of the product NOTWITHSTANDING ANYTHING TO THE CONTRARY CONTAINED HEREIN ENCON SHALL NOT BE LIABLE FOR LOSS DAMAGE OR EXPENSE ARISING DIRECTLY OR INDIRECTLY AS A CONSEQUENCE OF USE OF THE EQUIPMENT WITH OTHER PRODUCTS OR FROM ANY OTHER CAUSE INCLUDING ANY CONSEQUENTIAL INCIDENTAL SPECIAL OR EXEMPLARY DAMAGES EXCEPT FOR ENCON S OBLIGATION TO REPAIR OR REPLACE DEFECTIVE PRODUCTS AS EXPR...

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