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SPECTRACOOL NHZ280426G Series
nVent Hoffman SPECTRACOOL NHZ280426G Series Manuals
Manuals and User Guides for nVent Hoffman SPECTRACOOL NHZ280426G Series. We have
1
nVent Hoffman SPECTRACOOL NHZ280426G Series manual available for free PDF download: Manual
nVent Hoffman SPECTRACOOL NHZ280426G Series Manual (36 pages)
Air Conditioner for Hazardous Locations
Brand:
nVent Hoffman
| Category:
Air Conditioner
| Size: 3 MB
Table of Contents
Table of Contents
2
Warranty and Return Policy
3
General Safety Instructions
3
Receiving the Air Conditioner
3
Handling and Testing the Air Conditioner
4
How to Read Model Numbers
4
Installation Instructions
4
Dimension Drawing
5
Mounting Cutout Dimension
6
Wire Diagrams and Schematics
7
Generic 115V Wire Diagram (Actual Unit Options May Vary)
7
Generic 115V Schematic (Actual Unit Options May Vary)
8
Generic 230V Wire Diagram (Actual Unit Options May Vary)
9
Generic 230V Schematic (Actual Unit Options May Vary)
10
Generic 460V Wire Diagram (Actual Unit Options May Vary)
11
Generic 460V Schematic (Actual Unit Options May Vary)
12
Components List
13
Parts List
14
Technical Information
15
Design Data
15
General
15
Sequence of Operation
15
Cooling
15
Standard and Optional Component Operation
15
Smart Controller
15
For Cooling (75-100°F Range)
15
Remote Access Control (Optional)
15
Head Pressure Control (Optional)
15
Door Switch
16
Active Condensate Management
16
When Used with Purge and Pressurized Enclosures
16
Remote Access Control (Optional)
16
Overview
16
Energizing the Controller
16
Control Status Indication
16
Displaying and Changing Program Settings
20
To View or Access the Settings
20
Heat/Cool Operating Parameters
20
Alarm Parameters
20
View Alarms
21
Displaying Temperature Data on Screen
22
Compressor Restart Time Delay
22
Alarm Output Contact
22
Alarm Input Connection
22
Primary-Secondary (Ps) Mode
22
Connecting Units Together in Primary/Secondary Mode
23
Connecting Units Together in Lead/Lag Mode
24
Air Conditioner Unit Remote Communication Features
25
USB Communication
25
Ethernet Communication
25
Using Nvent HOFFMAN Pc Interface Tool
25
USB Communication Mode
25
Ethernet Communication Mode
26
Remote Access Control Pin-Out
28
Maintenance
29
Compressor
29
Inlet Air Filter
29
How to Remove, Clean or Install a New Inlet Air Filter
29
Condensate Management and Drain Trap Maintenance
30
Condenser and Evaporator Air Movers
30
Refrigerant Loss
30
Preventative Maintenance/Inspection
31
Trouble Shooting
32
F-Gas Information
34
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nVent Hoffman Categories
Air Conditioner
Freezer
Enclosure
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Power distribution unit
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