Contents

A.INTRODUCTION

B.RECEIVING

C.LOCATION

D.FOUNDATION

E.PIPING

F.ELECTRICAL

G.COMPRESSED AIR CIRCUIT

1.Air to Air Heat Exchanger

2.Air to Refrigerant Heat Exchanger (Evaporator)

3.Drain Traps

H.REFRIGERANT CIRCUIT

1.Refrigerant Compressor

2.Air-Cooled Condenser and Condenser Fan Cycling Control (Low Ambient)

3.Air to Refrigerant Heat Exchanger (Evaporator)

4.Expansion Valves

5.Hot Gas Bypass Valve (D-320 and Larger)

6.Low Pressure Switch

7.High Pressure Switch

8.Crankcase Heater (D-320-A thru D-2000-A and D-400-W thru D-1000-W)

9.Automatic Water Regulating Valve

10.Oil Sightglass

11.Refrigerant Liquid Line Filter Dryer

12.Water Pressure Switch

13.Desuperheating Valve (D-1600 and Larger)

14.High Temperature Control

15.Start Timer

I.START-UP

J.DESIGN CONDITIONS

K.SHUTDOWN

L.WATER-COOLED MODELS: Cooling Water Requirements

M.MAINTENANCE

1.Drain Valves

2.Refrigeration Condenser

3.Condenser Fans

N. REMOTE CONDENSER INSTALLATION (OPTIONAL) TROUBLESHOOTING GUIDE

WARRANTY PROCEDURES OTHER AIR/TAK PRODUCTS

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AT&T D-10,000, D-320 operating instructions Contents