EasyManua.ls Logo

AAON ASM01670 User Manual

AAON ASM01670
35 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
MHGRVX-B2 Module
Field Technical Guide
Designed to work exclusively with Sanhua EBV05H reheat valves
D15
J3
MODGASx
MODGAS
NORMAL
R59
R60
R60
U9
C46
R61
R75
SAT OPTIONS
SAT
GND
290
AOUT
GND
COOL OVRD
HEAT OVRD
REHEAT EN
RESET IN
AUX IN
GND
TB3
C18
R18
F1
V2
V3
V1
LC
FAN
COMP
VALVE
AUX
COMMON
TB2
STATUS
ALARM
COMM
POWER
CONDENSOR DRIVE
BLACK
WHITE
RED
GREEN
OPENING
TB4
REHEAT DRIVE
BLACK
WHITE
GREEN
RED
OPENING
TB5
C23
.01uF
SERIAL #
DISPLAY
R49
R48
R44
R42
R9
R4
U8
C38
R7
R8
C43
R6
10
ALARM
UP
ENTER
MENU
DOWN
www.aaon.com
AAON P/N: ASM06927
MHGRVX-B2
FAN
COMPRESSOR
CONDENSER
DRIVE TERMINALS
REHEAT VALVE
DRIVE TERMINALS
REHEAT VALVE
AUX
BLACK
GND
AUX INPUT (AI)
RESET SIG (AI)
RHT EN (BI)
SAT (AI)
0-10V VLV (AO)
HEAT OVR (BI)
COOL OVR (BI)
GND
GND
BLACK
WHITE
WHITE
RED
RED
GREEN
GREEN
COMMON
RELAY
OUTPUTS
INPUT/OUTPUT TERMINALS (TYPE)
CONTACT
RATING IS
1 AMP MAX
@ 24 VAC
GND
+24 VAC
LABEL P/N:
G112610
E-BUS
CONNECT
E-BUS
CONNECT

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the AAON ASM01670 and is the answer not in the manual?

AAON ASM01670 Specifications

General IconGeneral
BrandAAON
ModelASM01670
CategoryController
LanguageEnglish

Summary

WIRING

MHGRVX-B2 to AAON Unit Controller Wiring

Details on connecting the MHGRVX-B2 to an AAON unit controller via E-BUS.

MHGRVX-B2 Stand-Alone Wiring

Instructions for wiring the MHGRVX-B2 when used in a stand-alone configuration.

INPUTS AND OUTPUTS

OPERATION MODES

Modulating Hot Gas Valves Control

Explains how the module controls hot gas reheat valves for temperature regulation.

Stand-Alone Operation Mode

Details how the module functions independently for dehumidification control.

Communications Operation Mode

Explains how the module functions as an expansion board with an AAON unit controller.

LCD SCREENS

Setpoint Configuration Screens

Describes how to set Supply Air Temperature and Reset Setpoints.

Force Valves Control Screens

Explains how to manually force valve positions and set timeouts.

Module Configuration Settings

Details settings for S/A Mode, Expansion Valves, Auxiliary Relay, and Temperature Scale.

TROUBLESHOOTING

LED Diagnostics and Indicators

Explains the function of all module LEDs for operation, communication, and alarms.

Alarm Conditions and Troubleshooting

Details troubleshooting steps for Supply Air Temperature Failure and Communications Loss.

APPENDIX A: SAT SENSOR

APPENDIX C: REHEAT EXPANSION MODULE

Reheat Expansion Module Wiring Diagram

Illustrates how to wire multiple Reheat Expansion Modules in series.

Reheat Expansion Module LED Diagnostics and Troubleshooting

Explains LEDs and troubleshooting for the Reheat Expansion Module.

APPENDIX D: FREQUENTLY ASKED QUESTIONS

Troubleshooting Frequently Asked Questions

Addresses common questions about module replacement, compatibility, and valve operation.

Communications and Configuration FAQs

Answers questions about communication setup and changing module configurations.

Related product manuals