Home
PolyScience
Chiller
DA500
PolyScience DA500 User Manual
4
of 1
of 1 rating
52 pages
Give review
Manual
Specs
To Next Page
To Next Page
To Previous Page
To Previous Page
Loading...
Flow Schematic – Water-Cooler Chillers
VALVE
CONDENSER WATER FLOW
FL
OW
D
I
AGR
AM
W
A
T
ER-
COOLE
D
DW500
15.4 USGPM / 58.3 LPM
FLUID
PRE
SSURE
IN
DRAIN
SENSOR
WATER
WATER LE
VEL
SIGHT GL
ASS
FROM
PROCESS
RESERVOIR TANK
PUMP
TO
PROCESS
TEMPERATUR
E
SENSOR
RTD
BYPASS
VALVE
FLOW
METER
LOW
PRE
SSURE
SWITCH
15
PS
I CO
SUCTION
LINE
30 PSI CI
COMPRESSOR
TXV
THERMOSTATIC
EXPANSION
VALVE
FILTER
DRIE
R
SIGHT
GLASS
HOT GAS
BYPASS
PRE
SSURE
RELIEF VALVE
(675 PS
I)
"Y"
STRAINER
(WITH RESET
BUTTON)
REFRIGERANT
HIGH
PRE
SSURE
SWITCH
(630 PS
I)
REAR
PANEL
CONDENSER
IN
CONDENSER
OUT
"Y"
STRAINER
CONDENSER
WATER REGULAT
I
NG
20-40 PSI / 1.4-2.4 B
ar Required
110-279
47
47
49
Table of Contents
Default Chapter
2
Table of Contents
2
Introduction
5
General Safety Information
6
Safety Recommendations
7
Regulatory Compliance and Testing
8
Controls and Components
9
Fan Cycling Switch
10
Refrigerant Safety Relief Valve
11
Component Identification
12
HP Chillers - Rear
13
Installation and Startup
14
Electrical Power
15
Alarm Output
16
RS-232/RS-485 Serial Output
16
Signal Inputs/Outputs
16
External Piping
17
General Considerations
17
Process Fluid Connections
17
Facility Water Connections
17
Reservoir Drain
17
Reservoir Vent
17
Full Flow Bypass
18
Process Coolant
19
Suitable Fluids
19
Startup
20
Facility Water Flow (Water-Cooled Units Only)
20
Filling the Reservoir
20
Starting Process Fluid Flow
21
Normal Operation
22
Power on
22
Temperature Unit (°C or °F) Selection / Factory Default Reset
22
Adjusting the Set Point Temperature
23
Selecting the Pressure / Flow Rate Display and Units
23
Displaying Internal (P1) and External (P2) Probe Temperatures
23
Setting Operational Parameters / Limits
23
High Temperature Limit (HL)
26
Low Temperature Limit (LL)
26
High Ambient Temperature Limit (HA)
27
Maximum Fluid Pressure (FP)
27
Minimum Flow Rate (FL)
27
Lower Band (Lb)
28
Upper Band (Ub)
28
Remote Probe (Rp)
28
Calibration Offset (C1 / C2 / C3)
28
Compressor Delay (CD)
29
Flow Rate Calibration (Fc)
29
Coolant Density (Ds)
29
Specific Heat (Sh)
29
Current Control (CC)
29
Communications Baud Rate (PC)
30
Low Ambient Temperature Limit (LA)
30
Password (Pd)
30
HGB Valve Delay (Td)
30
Fuse Bits (Fb)
30
Enabling / Disabling the Local Lockout
31
Display, Alarm and Error Messages
32
Automatic Restart from Alarm Mode
34
Routine Maintenance
35
Recommended Routine Maintenance Schedule
35
Reservoir Coolant Level
35
Coolant Freeze Protection
35
Inline Strainer
35
Air Filters
36
Troubleshooting
37
Troubleshooting Chart
37
Compressor Overload Fault (Ft20)
38
Low Pressure Sensor
38
High Pressure Sensor
38
Technical Information
39
Chiller Specifications
39
Air-Cooled Chillers (DA500, DA750, DA1000)
39
Water-Cooled Chillers (DW500)
39
Electrical Specifications
40
DA500 Chillers
40
DW500 Chillers
41
DA750 Chillers
42
DA1000 Chillers
42
Pump Performance
43
RS-232 Serial Communications (RS-485 Option)
44
Equipment Disposal (WEEE Directive)
45
Service and Technical Support
45
Polyscience Chiller Fluids
46
Warranty
46
Appendix
47
Flow Schematic - Air-Cooled Chillers
47
Flow Schematic - Water-Cooled Chillers
48
Wiring Diagram - 5 HP and 7.5 HP Air-Cooled Chillers
49
Wiring Diagram - 10 HP Air-Cooled Chillers
50
Wiring Diagram - 5 HP Water-Cooled Chillers
51
4-20 Ma Set Point Control
52
4
Based on 1 rating
Ask a question
Give review
Questions and Answers:
Need help?
Do you have a question about the PolyScience DA500 and is the answer not in the manual?
Ask a question
PolyScience DA500 Specifications
General
Brand
PolyScience
Model
DA500
Category
Chiller
Language
English
Related product manuals
PolyScience Chiller
43 pages
Refrigerated Recirculating Chillers
32 pages
PolyScience LS Series
22 pages
To Next PageTo Next PageTo Previous PageTo Previous Page
Loading...
Need help?
General
