Wiring, Mhgrv-x stand-alone wiring, Mhgrv-x field technical guide 6 – Orion System MHGRV-X User Manual
Page 6: Stand-alone wiring, Figure 3: mhgrv-x controller stand-alone wiring
WIRING
MHGRV-X Field Technical Guide
6
MHGRV-X Stand-Alone Wiring
Figure 3: MHGRV-X Controller Stand-Alone Wiring
Line
GND
24V
AC
40 VA
Transformer
Minimum
Supply
Air Temperature
Sensor
Mount In Supply
Air Duct
RED
GRN
WHT
BLK
Condenser Valve #1
HGR Valve #1
RED
GRN
WHT
BLK
MHGRV-X CONTROLLER
(OE377-26-00059)
Fan
Compressor
HGR Solenoid Valve
2 Position HGR Valve (Optional)
C1
C2
COMM
-
+
0-10VDC
External Reset
Signal
Heating Override
H1 (Dehumidification)
Cooling Override
See
For SAT OPTIONS Jumper Settings.
Only One Supply Air Temperature
Sensor Can Be Used Per Application.
Table 8 On Page 18
EBC E-BUS
Cable Connects
To Reheat
Expansion
Module
Stand-Alone Wiring
In Stand-Alone mode, the MHGRV-X connects to the E-BUS port
of the Reheat Expansion Module with an EBC E-BUS cable.
See the SAT Wiring Conditions Table and SAT OPTIONS jumper
settings in Tables 7 & 8, page 18.
See Figure 3 below.
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- MUA II Controller v.2 (80 pages)
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- PT-Link II N2 (72 pages)
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- Lag Controller (56 pages)
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- PT-Link II LON (60 pages)
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- VAV/Zone Controller (28 pages)
- VCM Controller (60 pages)
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- MODGAS-XWR (28 pages)
- MODGAS-X (28 pages)
- PREHEAT-X (28 pages)
- Full Digital Module (16 pages)
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- Water Source Heat Pump Module (20 pages)
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- MHGRV II (12 pages)
- MODGAS II (22 pages)
- MHGRV III (20 pages)