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E2 Series
Stulz E2 Series User Manual
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STULZ
E
2
S
ERIES
C
ONTROLLER
FOR
P
ERIMETER
S
Y
STEMS
O
PERATION
M
ANU
AL
26
Press (
) or (
) Key
Group T/H Sensors
Avg 000.0 °F
000.0 %
Min 000.0 °F
000.0 %
Max 000.0 °F
000.0 %
Min Temp 0
Min Hum 0
Max Temp 0
Max Hum 0
Net T/H Sensors
00.0°F
00.0%rh
T/H Sensor Value Local
Unit 0 of 0 Lead: 1
Press (
) or (
) Key
Press (
) or (
) Key
Group Alarm Setup
1-8: 000 9-16: 000
17-24: 000 25-32: 000
33-40: 000 41-48: 000
49-56: 000
Press (
) or (
) Key
Group
All Units Off
Avg
43.6 miwg
Min
40.4 miwg
Max
45.5 miwg
Min Static Unit 2
Max Static Unit 7
Press (
) or (
) Key
Group Sensor Status
Unit 1 13 Lead Unit 2
Unit1 13 Unit5 0
Unit2 0 Unit6 0
Unit3 0 Unit7 0
Unit4 0 Unit8 0
Network
Under
fl
oor Static Pr
43.6 miwg
All units off
SP Sensor Value Lead
Unit 1 of 3 Lead:2
Press (
) or (
) Key
5.2.22
Group Information M
enu Screens
The Group In
formation menu screens only
appear if
the controller is se
t up to
operate multiple
A/C unit work gr
oup. See Section 7.2.6 for
a detailed description
of
these
screens.
31
33
Table of Contents
Default Chapter
3
Table of Contents
3
1 General Information
7
Forward
7
Safety Summary
7
Warnings and Cautions
7
2 Description
8
General
8
Features
8
Field Confi Gurable
8
Password Protection
8
Restorable Setpoint Parameters
8
Weekly Timer Feature
8
A/C Grouping Plan Operation
8
BMS Interface
9
User Interface Terminals
9
Graphic Terminal
9
Function Keys
9
Alarms
9
Contrast Adjustment
9
BMS Interface Ports
9
Figure 1. BMS Interface Ports
9
Large Bezel Terminal
10
Large Bezel Touch Screen Terminal
10
Controller Models
10
GEN1 Controller Layout
10
GEN2 Controller Layout
10
GEN1 Controller
10
GEN2 Controller
10
Expansion I/O Modules
11
Constant Contact UPS Module
11
EVD Module
11
3 Startup
12
Navigating Controller Screens
12
Menu Selection
12
Menus
12
Menu Selections
12
Display Variables
13
Cursor Position in Screens
13
Modifi Able Variables
13
Password Authorization Levels
13
Password Protected Screens
13
Wrong Password
14
Setting the Passwords
14
Starting the A/C System
14
Setpoint Adjustment
15
Saving and Restoring Setpoint Parameters
16
Alarms
16
Summary Alarm
16
Customer Alarms
17
Custom Alarms
17
4 Operation
18
General
18
Temperature/Humidity Sensors
18
Economizer Air Sensors
18
Control Signals
18
On/Off Digital Control
18
Proportional/Integral (P/I) Control
18
Temperature/Humidity Control
18
Dewpoint Control
18
Operating Confi Gurations
19
Cooling
19
Chilled Water/Aws/Fc
19
Compressor Based Direct Expansion (DX)
19
Dewpoint Control
19
Energy Savings Confi Gurations
20
Economizer
20
Alternate Water Source Cooling (AWS)
20
Cooling On/Off Cycle
20
AWS/FC/DX Operation
20
Free Cooling (FC)
21
Heating
21
Humidifying
21
Humidifying with Proportional Control
21
Dehumidifying
21
Reheat
21
Airfl Ow/Fan Speed Control
21
Anti-Backdraft Mode (Optional)
22
Underfl Oor/Cold Aisle Pressure Control
22
Modbus Fan Control (Optional)
22
Suction Pressure Fan Speed Control (Optional)
22
Communication with the Controller
23
Remote On/Off
23
Weekly Timer
23
Dual Power Transfer Switching
23
Power Transfer Performed by Phase Monitors
23
Power Transfer Performed by System Controller
24
Tandem Compressors Operation
24
Shadow Units
24
Table 1. Tandem Compressor Operation Example
24
5 Menu SCREENS
26
Main Menu
26
Information Menu
26
Operating Conditions
26
Shadow Unit Alarms
27
Return Sensor
27
Compressor Status- (DX Based Systems)
27
Optional Compressor Status Fields
27
Remote Sensor
28
Remote Temperatures
28
Water Temperature- (CW/FC/AWS Based Systems)
28
Setpoint Values
28
Fans and CW Valve
28
Economizer Information Menu Screens
29
Under Floor Pressure
29
Differential Air Pressure Sensor
29
Dewpoint Sensor
29
Air Speed Sensor
29
User Sensors
30
KVA Display
30
Differential Water Pressure
30
Air Flow Rate
30
Water Flow Rate
30
Atmospheric Pressure
30
Dual Power
31
Dual Power with UPS
31
Special Dual Power
31
Group Information Menu Screens
32
Modbus Fan Data
33
Power Meter Data
33
Electronic Expansion Valve (EEV) Status
33
CW Valve Feedback
33
Software Version/Date
33
Alarm Log
34
Alarms
34
Non-Critical Alarms
34
Critical Alarms
34
Alarm Screen Messages
34
Control Menu
37
Setpoint Screens
38
High Pressure Auto Reset (Optional)
38
Max GPM
38
Alarm Setpoint Screens
38
Clock Screens
40
Service Menu
41
Cool
41
DX Cooling Screens
41
Service Menu Selections
41
CW Cooling Screens
42
Heat
42
Humidity
42
Alarms
43
Sensors
43
Blower
43
Blower Setup
43
CW Fan Set-Up
43
Static Pressure Set-Up
44
Modbus Fan Control and Data Monitoring
44
Options Menu
45
Control, Startup
45
Unit Timers
45
T/H Offset Scaling
46
Auto Flush Cycle
46
Barometric Pressure
46
Dual Power
46
Custom Alarm Setup
47
Economizer Test
50
Digital in
50
Run Hours
51
BMS Communication
51
Work Group Screens
51
Save Confi Guration
51
Factory Menu
52
Table 2. Factory Default Setpoints
52
6 Economizer Operation
53
Economizer Service Menu Screens
54
Economizer Test
54
Economizer Information Menu Screens
54
Economizer Return Air Sensor
54
Economizer Outside Air Sensor
54
Figure 10. Default Economizer Zone
54
Enabling Economizer Operation
55
Economizer Option Screen
55
Figure 11. Example Economizer Zone
55
Economizer Screen Two
56
Economizer Screen Three
56
7 Communication with the Controller
56
Work Groups
56
Figure 12. Confi Guring Multiple A/C Units
56
Capacity Assist
57
Standby
57
Unit Rotation
57
No Rotation
57
Out of Service
57
Setting up a Work Group
58
Confi Gure the Terminal Address
58
Confi Gure the I/O Board Plan Address
58
Assign the Terminal to the Controller
59
Fault Messages
59
Displaying the Network Status and Firmware
59
Version
60
Confi Gure Work Groups
60
Group Sensor Values
66
Group Alarms
66
Lead Controller Group Sensors
66
Group Sensor Status
66
BMS Communication
67
Direct BMS Control
67
Figure 13. BMS Connection Types
67
8 Maintenance and Repairs
68
General Maintenance
68
Troubleshooting
68
Repair Procedures
68
General
68
Component Replacement
68
Control I/O Module Signal Led's
69
9 Product Support
70
Factory Authorized Start Up/Warranty Inspection
70
Technical Support
70
Obtaining Warranty Parts
70
Obtaining Spare/Replacement Parts
70
Ontroller for Perimeter
70
Operation
70
Glossary
72
4
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Stulz E2 Series Specifications
General
Brand
Stulz
Model
E2 Series
Category
Controller
Language
English
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