MODGAS-XWR-1 Technical Guide
APPENDIX A
35
SAT Sensor Wiring Guide & Jumper Settings
STAND-ALONE MODE
SAT OPTIONS JUMPER SETTINGS*
CONDITION
SETTING
MODGAS-XWR Only
1
MODGAS-XWR with
MHGRV-X**
1
MODGAS-XWR with
MHGRV II***
2
MODGAS-XWR with
MHGRV III
2
* For SAT Sensor testing, use
Table 5, page 32
for
jumper setting 1 and
Table 6
,
page 33
for jumper
setting 2.
** In this situation, also set MHGRV-X SAT Option
to MODGAS-X. See the
MHGRV-X Technical
Guide
for more information.
*** The MHGRV II must have PU resistor installed.
Table 8: Stand-Alone Mode SAT OPTIONS Jumper
Settings
SAT Wiring Conditions
MODGAS-XWR ONLY
MODGAS-XWR & MHGRV-X
STAND-ALONE
Install Supply Air
Sensor in MODGAS-XWR.
Install Sensor in MODGAS-XWR 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,
VCCX2
Install Supply Air Sensor in
VCB-X or VCCX2.
Connect to VCB-X or VCCX2
using E-BUS cable.
Install Supply Air Sensor in VCB-X or VCCX2.
Connect to VCB-X or VCCX2 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.
VCM,
VAV/CAV, MUA,
MUA II, MUA IID
Install Supply Air Sensor in
MODGAS-XWR.
Connect to Main
Controller using I
2
C cable.
Install Supply Air Sensor in MODGAS-XWR.
Connect to Main Controller using I
2
C cable.
Table 7: SAT Wiring Conditions
COMMUNICATIONS MODE
SAT OPTIONS JUMPER SETTINGS*
CONDITION
SETTING
VCM-X / RNE / SA*
1
VCM, MUA, MUA II,
MUA IID VAV/CAV**
1
VCB-X / VCCX2*
1
* For SAT Sensor testing, use
Table 5, page 32
for
jumper setting 1. SAT should be connected to the
Main Controller.
** For SAT Sensor testing, use
Table 5, page 32
for jumper setting 1. SAT should be connected to
the MODGAS-XWR Controller.
Table 9: Communications Mode SAT OPTIONS
Jumper Settings
SAT Options Jumper Settings
Refer to
Tables 8 & 9
to determine the settings. See
Figure 2, page 5
for jumper locations.
