how to unlock Trane chiller Keypad and Display

Display is Lock

First press cancel button

Then press Previous and Enter button both same time

Display is Unlock

Trane Screw compressor air cooled Chiller parts

\

Screw Compressor 85 TR

Screw compressor part winding contactor each contactor for one winding.

CT (current Transformer) coil for measuring amps of  compressor.

Transformer 440vac to 110vac for contactor coil.

Chiller Condenser fan contactor and fuse carrier.

Transformer 230vac to 24vac supply for control modular.

condenser fan fuse carrier.

Screw compressor Load/Unload Solenoid valve Left side Solenoid is Unload valve and right side Solenoid Load valve.

Saturated Evap Temperature sensor

main isolator

Screw Compressor Terminal Part winding

Oil Pressure switch

Oil Filter

High Pressure Release Valve

Oil Supply Solenoid Valve

Electronic Expansion Valve

Liquid line sight glass 

Liquid line Valve

 

How to change Screw Compressor Oil filter

New Oil Filter

Oil filter O-Ring

Oil filter Ball Valve

Closed both oil filter valve

BITZER Compact Screw Compressor load unload system

Trane Chiller Oil cooling system

Refrigerant Regulator (Thermostat) Fixed

How to Recovery Refrigerant Gas from Chillers

Recovery Pump

Recovery Pump  Control 

Recovery Pump Hose pipe

Liquid Line side Valve

                                                                               

First Open Liquid side Valve

Connect Recovery Pump Hose

Connect Hose to Recovery Pump System Vapor side valve

                                         Connect Another hose to Recovery Pump Tank Liquid

And Connect Hose to Empty Cylender

Connect sight Glass between Empty Cylender and Recovery Pump

Then Open Liquid side valve

And  Open Recovery Pump Valve

Open Empty Cylender Valve

Start the Recovery Pump and Cool the Cylender with normal water for down Gas temperature.

Trane Chiller Suction Temperature Sensor Replacing

First closed liquid line valve.

After that start compressor.

After pump down the system remove old sensor.

After Replaced of sensor open liquid line valve.

After opening liquid valve start compressor and check reading.