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Table of Contents

Page 1

Topic

Introduction .................................................................................................................

Definitions and Terminology .......................................................................................

Recommended Tools .................................................................................................

Checklist .................................................................................................................

Operating Sequence and Failure Modes ...........................................................................

Normal Operating Sequence For Therm-O-Mix Station ...................................................

Failure Modes .......................................................................................................

V1 Failure Mode ...............................................................................................

WWM Diaphragm Actuator Failure Mode ............................................................

V4 Failure Mode ..............................................................................................

Troubleshooting ...........................................................................................................

Troubleshooting Warning Statement ...........................................................................

Decommissioning the Therm-O-Mix Station for Troubleshooting and Repairs.....................

Analyzing Component Failure by Conditions .................................................................

Adjustments and Repairs ...............................................................................................

V1 Mixing Valve Adjustment Instructions with the Unit Running ......................................

V1 Mixing Valve Adjustment Instructions with the WWM Diaphragm Removed..................

WWM Diaphragm Actuator/VI Mixing Valve Replacement Instructions.............................

V4 Control Valve Replacement Instructions .................................................................

Appendices

Therm-O-Mix Safety Shower Station Schematic..................................................................

Therm-O-Mix Safety Shower Station Flow Chart................................................................

Station Line Drawing......................................................................................................

Therm-O-Mix WWM Safety Shower Station Checklist.........................................................

WWM Diaphragm Actuator/V1 Mixing Valve Line Drawing....................................................

WWM Diaphragm Actuator/V1 Mixing Valve Adjustment Photos...........................................

V4 Control Valve Photo...................................................................................................

Section

1.0

1.1

1.2

1.3

2.0

2.1

2.2

2.2.1

2.2.2

2.2.3

3.0

3.1

3.2

3.3

4.0

4.1

4.2

4.3

4.4

Содержание THERM-O-MIX WWM

Страница 1: ...THERM O MIX WWM STATION Troubleshooting Manual www ThermOmegaTech com 1 877 379 8258...

Страница 2: ...rs V1 Mixing Valve Adjustment Instructions with the Unit Running V1 Mixing Valve Adjustment Instructions with the WWM Diaphragm Removed WWM Diaphragm Actuator VI Mixing Valve Replacement Instructions...

Страница 3: ...ode pressure sensitive diaphragm overrides and closes hot port during over temperature or loss of hot water supply at V1 Page 2 Section 1 2 Recommended Tools Section 1 3 Check List The following is a...

Страница 4: ...en the Station outlet exceeds approximately 95 F thus closing the hot inlet port on the mixing valve With the hot port closed no hot water can flow to the mixing valve so the Station outlet is cold wa...

Страница 5: ...iod of time may be needed depending on the size and length of supply piping 3 With the system activated close the cold water supply valve to the station 4 See Section 4 0 for individual valve adjustme...

Страница 6: ...for repair Remove the V4 Control Valve for testing See section 4 4 If the V4 tests correctly Follow Section 4 2 to adjust the V1 Mixing Valve outside the unit If the valve cannot be adjusted correctl...

Страница 7: ...ol and the cap is 160 175 in See Appendix 5 6 6 Place stainless steel sensor into a water bath with a temperature 5 F below the set point for five minutes Verify that the top of the spool is sitting o...

Страница 8: ...y and tighten with 1 1 2 wrench 7 Position the diaphragm housing so that the adaptor fittings are pointing to the side of the body with the braided hoses Note To position the diaphragm housing rotate...

Страница 9: ...tside connections on the V4 Control Valve require orifice plates to be installed Place an orifice plate in the female end of the hose and carefully thread the hose on to the proper male fitting Note t...

Страница 10: ...or referenced part Appendix 4 The Station checklist should be used whenever troubleshooting or repair work is done on a unit The Station Serial Number is located on the V1 Mixing Body The checklist c...

Страница 11: ...AGM HEAD V1 VALVE PORT C COLD WATER INLET 1 NPT FEMALE V4 VALVE COLD WATER TEPID WATER HOT WATER DIAPHRAGM SUPPLY WATER DIAPHRAGM DRAIN WATER THERMAL SENSING LINE DIAPHRAGM SUPPLY HOSE B DIAPHRAGM SUP...

Страница 12: ...OT WATER AVAILIBLE IS MIXING VALVE OUTLET ABOVE 95 F V4 OPEN DIAPHRAGM ACT OVERRIDE MIXING VALVE V1 BLENDS HOT COLD WATER TO SET POINT IS COLD WATER SUPPLY ABOVE 95 F V4 OPEN DIAPHRAGM ACT OVERRIDE DI...

Страница 13: ...5 ORIFICE ORIFICE ORIFICE V4 CONTROL VALVE V1 MIXING VALVE CAP NUT DIAPHRAGM HEAD PORT B HOT WATER INLET 1 NPT FEMALE FEMALE 1 1 4 NPT HOSE ASSEMBLY 7 5 PORT C COLD WATER INLET 1 NPT FEMALE PORT A TEP...

Страница 14: ...tation supplying tempered water to anything other than the Safety Shower Station YES NO If YES explain __________________________________________________________________________ ______________________...

Страница 15: ...ge 14 APPENDIX 5 WWM Diaphragm Actuator V1 Mixing Valve Line Drawing SET POINT 5 F CARTRIDGE CAP O RING SPOOL THERMOSTATIC ACTUATOR CAP NUT FOR ADJUSTMNET SET SCREW 1 HEX 1 1 2 HEX SET POINT 5 F 160 1...

Страница 16: ...Page 15 APPENDIX 6 WWM Diaphragm Actuator V1 Mixing Valve Adjustment Photo Loosen lock nut Adjust calibration screw...

Страница 17: ...ide WWM Diaphragm Actuator WARNING This product can expose you to chemicals for example lead nickel acrylonitrile which are known to the State of CA to cause cancer birth defects or reproductive harm...

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