Dunham-Bush HRSC - D, Operating & Maintenance Instructions

Page: 1 / 32

HRSC - D
Remote Condenser Packaged Chiller
Installation, Operation &
Maintenance Instructions
Table of Contents
Description Page No.
Introduction & Product Identification ................................................................................. 1
Inspection, Storage & Rigging............................................................................................. 2
Location, and Clearance & Foundation ............................................................................... 2
Vibration Isolation .............................................................................................................. 2
Water Piping ............................................................................................................. 2, 3 & 4
Refrigerant Piping ............................................................................................................... 5
Electrical Connections ......................................................................................................... 5
Operation ..................................................................................................................... 5 & 6
Maintenance ....................................................................................................................... 6
Slide Valve Unloading System ............................................................................................. 7
Control Settings ............................................................................................................ 8 & 9
Sequence of Operation ............................................................................................... 9 & 10
Optional Microcomputer Controller ..................................................................... 10 thru 16
Electrical Data (60 Hz) ............................................................................................... 17 & 18
Typical Power Wiring ......................................................................................................... 19
Typical Control Wiring (Electro-Mechanical ....................................................................... 20
Typical Control Wiring (Optiomal Microcomputer Controller) ................................... 21 & 22
Typical Piping Schematic ................................................................................................... 23
Capacity Control ............................................................................................................... 24
Physical Data ..................................................................................................................... 24
Evaporator Pressure Drop ................................................................................................. 25
Rigging (Sizes 50 thru 150) ............................................................................................... 26
Rigging (Sizes 180 thru 300) ............................................................................................. 27
Spring Vibration Isolation Data ......................................................................................... 28
Rubber-in-Shear Vibration Isolation Data .......................................................................... 29
Troubleshooting Guide ..................................................................................................... 30
Start-up Check List ............................................................................................................ 31
FORM 5504