Appendix a, Sat sensor wiring guide & jumper settings, Sat wiring conditions – Orion System MHGRV-X User Manual
Page 18

APPENDIX A
MHGRV-X Field Technical Guide
18
SAT Options Jumper Settings
Refer to Tables 8 & 9 to determine the SAT Option Jumper settings.
See Figures 2 & 3 on pages 5 & 6 for jumper locations.
STAND-ALONE MODE
SAT OPTIONS JUMPER SETTINGS*
CONDITION
SETTING
MHGRV-X Only
Normal
MHGRV-X with
MODGAS-X**
MODGAS-X
MHGRV-X with
MODGAS II***
MODGAS
* For SAT Sensor testing, use Table 7 for
Normal & MODGAS-X jumper setting and use
Table 8 for MODGAS jumper setting.
** In this situation, also set MODGAS-X SAT
Option to Jumper Setting 1. See the MODGAS-X
Technical Guide for more information.
*** The MODGAS II must have PU1 resistor
installed.
Table 8: Stand Alone Mode SAT OPTIONS Jumper
Settings
COMMUNICATIONS MODE
SAT OPTIONS JUMPER SETTINGS*
CONDITION
SETTING
VCM / VCM-X / SA/ RNE *
Normal
MUA, VAV/CAV**
Normal
VCB-X*
Normal
* For SAT Sensor testing, use Table 7 for Normal
jumper setting. SAT should be connected to the
Main Controller.
** For SAT Sensor testing, use Table 7 for Normal
jumper setting. SAT should be connected to the
MHGRV-X Controller.
Table 9: Communications Mode SAT OPTIONS
Jumper Settings
SAT Wiring Conditions
MODGAS-X ONLY
MHGRV-X ONLY
MODGAS-X & MHGRV-X
STAND-
ALONE
Install Supply Air
Sensor in MODGAS-X.
Install Supply Air
Sensor in MHGRV-X.
Set “SAT Options”
Jumpers to “Normal”.
Install Sensor in MODGAS-X and daisy-chain it
to the MHGRV-X. Set “SAT Options” Jumpers to
“MODGAS X”. If connected to a MODGAS II
Retrofi t, Set “SAT Options” Jumpers to “MODGAS”.
VCB-X
Install Supply Air Sensor
in VCB-X.
Connect to VCB-X
using E-BUS cable.
Install Supply Air
Sensor in VCB-X.
Connect to VCB-X
using E-BUS cable.
Install Supply Air Sensor in VCB-X.
Connect to VCB-X using E-BUS cable.
VCM-X,
SA, RNE
Install Supply Air Sensor
in Main Controller.
Connect to Main
Controller using I
2
C
cable.
Install Supply Air
Sensor in Main Controller.
Connect to Main
Controller using I
2
C cable.
Install Supply Air Sensor in Main Controller.
Connect to Main Controller using I
2
C cable.
VCM,
VAV/CAV,
MUA,
MUA II,
MUA IID
Install Supply Air Sensor
in MODGAS-X.
Connect to Main
Controller using I
2
C
cable.
Install Supply Air
Sensor in MHGRV-X.
Connect to Main
Controller using I
2
C cable.
Install Supply Air Sensor in MODGAS-X.
Connect to Main Controller using I
2
C cable.
Table 7: SAT Wiring Conditions
SAT Sensor Wiring Guide & Jumper Settings