WD Catalog 2018

Subject Index Click on page number to go to page. Pages references in italic refer to Glossary entries.

Draini 9-3 Purging Non-Condensable Gases 9-5

System Operation 2-1 T temperature range i-6 thermal limiter i-6 thermal limiter and superheat switch 5-9 thermistor i-7 Thermostat 3-2 thermostat 3-2, i-7 thermostat tester 6-10 Thermostatic Control 5-3 thermostatic expansion valve i-7 thermostats 5-3 torque wrench 6-11 Trinary™ pressure switch 5-12 TRINARY™ switch i-7 Troubleshooting & Service Procedures 8-1 Example 8-3 Troubleshooting Overview 8-1 Troubleshooting by Manifold Gauge Set Read- ings 8-10 air and/or moisture 8-12 compressor malfunction 8-17 condenser malfunction or system over- charge 8-18 excessive air and/or moisture 8-13 expansion valve (TXV) stuck open 8-15 extremely low refrigerant charge 8-11 low refrigerant charge 8-10 system high pressure side restriction 8-16 thermostatic switch malfunction 8-19 xpansion valve (TXV) stuck closed or plugged 8-13 Troubleshooting HVAC Control Systems 10-3 Binary™ and Trinary™ Switch 10-4 Truck and Heavy Equipment Systems 2-1 tube and fin i-7 V vacuum i-7

Recovery Cycle Procedure 9-4 Recovery/Recycle Station 9-2 Recycling Procedure 9-5 recovery i-5 recycle i-6 Recycle station 9-3

reed valve i-6 Refrigerant i-6 refrigerant container 6-3

refrigerant cycle i-6 Refrigerants 4-1, 9-1 AC system overview 4-2 Pressure/temperature relationships 4-3 refrigeration oil i-6 Refrigeration oil dipsticks 6-10 relative humidity i-6 resistor i-6 resistors 5-11 retrofitting i-6 Roof Mounted Condensers 7-6 roof top air conditioning system 4-16 rotary vane compressor i-6 rotating coil clutch i-6 S Safety Intro-2, 4-1, 6-1 safety 6-4 Safety Equipment 6-1 Schrader valve i-6 Schrader valve core remover/installer 6-11 serpentine i-6 service port i-6 Service Tools & Their Use 6-1 service valve i-6 Servicing and Repairing the Heater 10-9 sleeper unit 2-1 solenoid valve i-6 special cooling system hydrometer 6-9 specific heat i-6 stationery coil clutch i-6 stem-type valve i-6 suction line i-6 suction service valve i-6 suction side i-6 sump i-6 superheat i-6 superheat switch i-6 SUVA i-6 System Component Cycling 7-7 System Controls 5-1 shaft seal i-6 sight glass i-6 silica gel i-6

vacuum pump i-7 vacuum pumps 6-7 vacuum tester 6-11 valves-in-receiver i-7 viscous drive fan clutch 5-13 Visual Inspection - System Off 7-2 Check for Refrigerant Leaks 7-4 Check Hoses and Fittings 7-4 Inspect Parts 7-2 Observe the System 7-2 Visual inspections 7-7 W WANKEL compressor i-7

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iii-5