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MODGAS-XWR2-B
AAON MODGAS-XWR2-B Manuals
Manuals and User Guides for AAON MODGAS-XWR2-B. We have
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AAON MODGAS-XWR2-B manual available for free PDF download: Technical Manual
AAON MODGAS-XWR2-B Technical Manual (44 pages)
Brand:
AAON
| Category:
Control Unit
| Size: 2.84 MB
Table of Contents
Table of Contents
3
Overview
6
General Information
6
Dimensions
7
Figure 1: MODGAS-XWR2-B Module Dimensions
7
Wiring
8
Important Wiring Considerations
8
Table 1: Electrical and Environmental Requirements
8
Stand-Alone Wiring
9
One Modulating Valve, One Ignitor, One Stage (1V1IGN1S)
9
Figure 2: Stand-Alone Wiring - One Modulating Valve, One Ignitor, One Stage
9
Two Modulating Valves, Two Ignitors, Two Stages (2V2IGN2S)
10
Figure 3: Stand-Alone Wiring - Two Modulating Valves, Two Ignitors, Two Stages
10
Secondary Board - Four Modulating Valves, Two Ignitors, Two Stages (2V2IGN2S)
11
Figure 4: Stand-Alone Wiring - Secondary Board 2V2IGN2S
11
Two Modulating Valves, One Ignitor, One Stage (2V1IGN1S)
12
Figure 5: Stand-Alone Wiring - Two Modulating Valves, One Ignitor, One Stage
12
Secondary Board - Four Modulating Valves, One Ignitor, One Stage (2V1IGN1S)
13
Figure 6: Stand-Alone Wiring - Secondary Board 2V1IGN1S
13
Two Modulating Valves, Two Ignitors, One Stage (2V2IGN1S)
14
Figure 7: Stand-Alone Wiring - Two Modulating Valves, Two Ignitors, One Stage
14
12 Relay E-BUS Expansion Module
15
Figure 8: Stand-Alone Wiring - 12 Relay E-BUS Expansion Module
15
Communications Wiring
16
One Modulating Valve, One Ignitor, One Stage (1V1IGN1S)
16
Figure 9: Communications Wiring - One Modulating Valve, One Ignitor, One Stage
16
Two Modulating Valves, Two Ignitors, One Stage (2V2IGN1S)
17
Figure 10: Communications Wiring - One Modulating Valve, Two Ignitors, One Stage
17
Two Modulating Valves, Two Ignitors, Two Stages (2V2IGN2S)
18
Figure 11: Communications Wiring - Two Modulating Valves, Two Ignitors, Two Stages
18
Secondary Board - Four Modulating Valves, Two Ignitors, Two Stages (2V2IGN2S)
19
Figure 12: Communications Wiring - Secondary Board 2V2IGN2S
19
Two Modulating Valves, One Ignitor, One Stage (2V1IGN1S)
20
Figure 13: Communications Wiring - Two Modulating Valves, One Ignitor, One Stage
20
Secondary Board - Four Modulating Valves, One Ignitor, One Stage (2V1IGN1S)
21
Figure 14: Communications Wiring - Secondary Board 2V1IGN1S
21
Inputs and Outputs
22
Table 2: MODGAS-XWR2-B Inputs and Outputs
22
Relay Outputs
23
Sequence of Operation
24
Operating Modes and Min Mode
24
Heating Mode
25
Valve Failure, Force Mode and Master Vs. Normal
26
Lcd Screens
27
Navigation Keys
27
Figure 15: LCD Display and Navigation Keys
27
Table 3: Navigation Key Functions
27
Table 4: Editing Key Functions
27
Main Screens Map
28
Main Screens
29
Status Screens
30
Alarms Menu and Slave Alarms
31
Setpoint Screens
32
Force Valves Screens
33
Protected and Configuration Screens
34
Configuration Screens
35
Troubleshooting
36
LED Diagnostics
36
Table 5: STATUS LED Blink Codes
36
Table 6: ALARM LED Blink Codes
36
Figure 16: MODGAS-XWR2-B LED Locations and Descriptions
37
Alarms
38
SAT Sensor Testing
39
Table 7: 0-3V Temperature Sensor - Voltage and Resistance for Type III Sensors
39
Table 8: 0-5V Temperature Sensor - Voltage and Resistance for Type III Sensors
40
Appendix A: Sat Sensor
41
Installation
41
Figure 17: Supply Air Temperature Sensor Installation
41
SAT Sensor Wiring Guide and Jumper Settings
42
Table 9: SAT Wiring Conditions
42
Table 10: Stand-Alone Mode SAT OPTIONS Jumper Settings
42
Table 11: Communication Mode SAT OPTIONS Jumper Settings
42
Appendix B: Modgas-Xwr Replacement
43
MODGAS-XWR2-B Replacement of MODGAS-XWR
43
Figure 18: MODGAS-XWR2-B Module
43
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