Stulz E2 Series User Manual

STULZ E
2
SERIES CONTROLLER FOR PERIMETER SYSTEMS OPERATION MANUAL
iii
Contents
1.0 GENERAL INFORMATION ................................... 1
1.1 Forward ................................................................................1
1.2 Safety Summary ................................................................1
1.3 Warnings and Cautions ..................................................1
2.0 DESCRIPTION ..................................................... 2
2.1 General.................................................................................2
2.2 Features...............................................................................2
2.2.1 Field Confi gurable ............................................................2
2.2.2 Password Protection .......................................................2
2.2.3 Restorable Setpoint Parameters ................................2
2.2.4 Weekly Timer Feature .....................................................2
2.2.5 A/C Grouping pLAN Operation ...................................2
2.2.6 BMS Interface ...................................................................3
2.3 User Interface Terminals ................................................3
2.3.1 Graphic Terminal ...............................................................3
2.3.1.1 Function Keys ....................................................................3
2.3.1.2 Alarms ..................................................................................3
2.3.1.3 Contrast Adjustment .......................................................3
2.3.2 Large Bezel Terminal .......................................................4
2.3.3 Large Bezel Touch Screen Terminal ...........................4
2.4 Controller Models .............................................................4
2.4.1 GEN1 Controller Layout ................................................4
2.4.2 GEN2 Controller Layout ................................................4
2.4.3 Expansion I/O Modules ..................................................5
2.4.4 Constant Contact UPS Module ...................................5
2.4.5 EVD Module .......................................................................5
3.0 Startup ................................................................ 6
3.1 Navigating Controller Screens .....................................6
3.1.1 Menu Selection .................................................................6
3.1.2 Menus ...................................................................................6
3.1.3 Display Variables ...............................................................7
3.1.4 Cursor Position in Screens ............................................7
3.1.5 Modifi able Variables ........................................................7
3.2 Password Authorization Levels ...................................7
3.2.1 Password Protected Screens ......................................7
3.2.2 Wrong Password ..............................................................8
3.2.3 Setting the Passwords ....................................................8
3.3 Starting the A/C System ................................................8
3.4 Setpoint Adjustment ........................................................9
3.5 Saving and Restoring Setpoint Parameters .........10
3.6 Alarms ...............................................................................10
3.6.1 Summary Alarm ..............................................................10
3.6.2 Customer Alarms ..........................................................11
3.6.3 Custom Alarms ..............................................................11
4.0 Operation .......................................................... 12
4.1 General..............................................................................12
4.2 Temperature/Humidity Sensors ..............................12
4.2.1 Economizer Air Sensors ..............................................12
4.3 Control Signals ...............................................................12
4.3.1 On/Off Digital Control..................................................12
4.3.2 Proportional/Integral (P/I) Control ..........................12
4.4 Temperature/Humidity Control ................................12
4.4.1 Dewpoint Control ..........................................................12
4.5 Operating Confi gurations ...........................................13
4.5.1 Cooling ..............................................................................13
4.5.1.1 Chilled Water/AWS/FC ...............................................13
4.5.1.2 Compressor Based Direct Expansion (DX) ...........13
4.5.2 Energy Savings Confi gurations ................................14
4.5.2.1 Economizer ......................................................................14
4.5.2.2 Alternate Water Source Cooling (AWS) .................14
4.5.2.3 Free Cooling (FC) ...........................................................15
4.5.3 Heating .............................................................................15
4.5.4 Humidifying .....................................................................15
4.5.4.1 Humidifying With Proportional Control ..................15
4.5.5 Dehumidifying ................................................................15
4.5.5.1 Reheat ...............................................................................15
4.6 Airfl ow/Fan Speed Control ........................................15
4.6.1 Anti-Backdraft Mode (Optional) ...............................16
4.6.2 Underfl oor/Cold Aisle Pressure Control ...............16
4.6.3 Modbus Fan Control (Optional) .................................16
4.6.4 Suction Pressure Fan Speed Control
(Optional) .......................................................................... 16
4.7 Communication With the Controller ........................17
4.8 Remote On/Off ..............................................................17
4.9 Weekly Timer ..................................................................17
4.10 Dual Power Transfer Switching .................................17
4.10.1 Power Transfer Performed by Phase Monitors ...17
4.10.2 Power Transfer Performed by System
Controller..........................................................................18
4.11 Tandem Compressors Operation .............................18
4.12 Shadow Units ..................................................................18

Stulz E2 Series Specifications

General

Brand	Stulz
Model	E2 Series
Category	Controller
Language	English