AAON R69180 Technical Manual Download

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Technical Guide

Full Digital Module

Overview

The Full Digital Module (OE370-23-FD-A) is a device that enables and
modulates up to four digital compressors on HVAC Units controlled
by the VCM-X Modular Controller (OE332-23-VCMX-MOD-A) or
VCM-X Modular E-BUS Controller (OE332-23E-VCMX-MOD-A).
The Full Digital Module will control the digital compressors to satisfy
the cooling, dehumidi

cation, and heat pump requirements of the VCM-

X Modular series controller.

If the Full Digital Module is in the Cooling Mode or Heat Pump Heat-
ing Mode, it will modulate the compressors to maintain the appropriate
Supply Air Temperature Setpoint. If the module is in the Dehumidi

ca-

tion Mode, it will modulate compressors to maintain the Coil Suction
Temperature Setpoint. If the module is in the Heat Pump Heating Mode,
the module can also monitor a signal for a Defrost Cycle from the VCM-
X Modular series controller if a One Condenser Head Pressure Module
(OE370-23-HP1C) is also installed.

Module Overview

Figure 1: Full Digital Module

The Full Digital Module is connected to the VCM-X Modular Control-
ler using the E-BUS Distribution Module (OE365-23-EBD). The Full
Digital Module can also be directly connected to the VCM-X Modular
E-BUS Controller. Either connection allows the Full Digital Module
to receive setpoints and monitor the Supply Air Temperature from the
VCM-X Modular series controller. The Full Digital Module requires a
24 VAC power connection with an appropriate VA rating.

NOTE:

The Full Digital Module contains no user-serviceable

parts. Contact qualified technical personnel if your
module is not operating correctly.

www.orioncontrols.com

1003

1002

10uF

300

1
2
4
8

SERIA

R11

R12

R13

R14

R23

R24

R25

R26

R28

R29

R30

SW1

D12

D13

R53

R54

TB3

C20

R34

SW2

+5V

SIG 2

GND

1003

1002

10uF

1003

1002

10uF

1003

1002

10uF

4751

OFF

ION
S

ALARM

ANALOG

STAT

+5V

COMM

GND

SIG 4

300

GND

BIN 2

GND

1002

RELAYS

ADDRESS

SIG 3

+5V

GND

BIN 1

COM

+5V

SIG 1

AO1

AO2

PWM1-

PWM1+

PWM2-

PWM2+

.01uF

PWR

Summary of Contents for R69180

Page 1: ...Full Digital Module Technical Guide Factory Packaged Controls Tulsa ...

Page 2: ...00 PH 816 505 1100 FAX 816 505 1101 E mail mail wattmaster com Visit our web site at www orioncontrols com WattMaster Form AA FDM TGD 01G Copyright July 2016 WattMaster Controls Inc AAON Manual Part Number R84500 AAON is a registered trademark of AAON Inc Tulsa OK Neither WattMaster Controls Inc nor AAON assumes any responsibility for errors or omissions in this document This document is subject t...

Page 3: ...re Module OE370 23 HP1C is also installed Module Overview Figure 1 Full Digital Module The Full Digital Module is connected to the VCM X Modular Control ler using the E BUS Distribution Module OE365 23 EBD The Full Digital Module can also be directly connected to the VCM X Modular E BUS Controller Either connection allows the Full Digital Module to receive setpoints and monitor the Supply Air Temp...

Page 4: ...s standard I2 C modular cable to connect with the VCM X Modular Controller VCM X Expansion Module or 12 Relay Expansion Module The Full Digital Module can also be directly connected to the VCM X Modular E BUS Controller bypassing the use of the E BUS Distribu tion Module The Full Digital Module requires a 24 VAC power supply with an ap propriate VA rating WARNING Observe polarity All boards must b...

Page 5: ...OUT COM COM COM EXC EXC EXC P4 P4 P4 BK BK BK RD RD RD WH WH WH P2 P2 P2 P1 P1 P1 P3 P3 P3 P5 P5 P5 C1 C1 C1 C2 C2 C2 P6 P6 P6 SHLD OUT COM EXC P4 BK RD WH P2 P1 P3 P5 AO1 SIG 1 SIG 2 SIG 3 SIG 4 AO2 GND GND GND GND C1 C2 P6 5V SIG 2 GND OPTIONS ALARM ANALOG STAT 5V COMM GND SIG 4 GND BIN 2 R1 R2 GND RELAYS ADDRESS SIG 3 5V GND BIN 1 COM 5V SIG 1 R3 R4 Rc AO1 AO2 PWM1 PWM1 PWM2 PWM2 OE275 01 Sucti...

Page 6: ...er lengths and 100 and 150 foot lengths Figure 4 VCM X Modular E BUS Controller to Full Digital Module Wiring Diagram Connect To Other WattMaster Approved E BUS Expansion Module s HSSC Cable HSSC Cable Connect To VCM X E BUS Controller OE370 23 FD A Full Digital Module 5V SIG 2 GND OPTIONS ALARM ANALOG STAT 5V COMM GND SIG 4 GND BIN 2 R1 R2 GND RELAYS ADDRESS SIG 3 5V GND BIN 1 COM 5V SIG 1 R3 R4 ...

Page 7: ...mmon Failure To Do So Will Result In Damage To The Controllers T to T R to R SHLD to SHLD Size Transformer For Correct Total Load VCM X Modular Controller 8 OE332 23E VCMX MOD A VCM X Modular E BUS Controller Note All Relay Outputs Are Normally Open And Rated For 24 VAC Power Only 1 Amp Maximum Load AI1 SET AI2 SET AI3 SET AI4 SET AI5 SET AI7 SET Jumpers HSSC Cable Connect To VCM X E BUS Port RELA...

Page 8: ...re to observe polarity could result in damage to the boards Table 1 Unit Configurations Chart UNIT CONFIGURATIONS PERMUTATION SYSTEM A SYSTEM B HARDWARE VCM X WSHP CONFIGURATION Comp A1 Comp A2 Comp B1 Comp B2 Relay 1 Relay 2 Relay 3 Relay 4 1 On Off On Off Use VCM X Modular Series Controller Only 2 Compressors 2 Digital On Off Use VCM X Modular Series Controller Only 2 Compressors Digital Compres...

Page 9: ...gital Stage 2 outputs will go to 50 and begin to modulate together If both systems are energized and they go below 30 and the SupplyAir is below the Supply Air Setpoint by the Cooling Stage Window value the stage down timer is started If the systems remain below 30 for the duration of the stage down timer Digital Stage 2 will deactivate and Digital Stage 1 will go to 60 Digital Stage 1 will stage ...

Page 10: ... diagnostic blink code LED It will light up and blink out diagnostic codes See Table 2 for Diagnostic Blink Code descriptions The blink code descriptions are also located on the mod ule s front cover No of Blinks Status 0 No Problems 1 Low Suction Pressure Compressor A1 2 Low Suction Pressure Compressor A2 3 Low Suction Pressure Compressor B1 4 Low Suction Pressure Compressor B2 5 Pressure Sensor ...

Page 11: ...active R3 This LED will light up when Compressor B1 is enabled and will stay lit as long as Compressor B1 is active R4 This LED will light up when Compressor B2 is enabled and will stay lit as long as Compressor B2 is active SERIAL D3 D4 R11 R12 R28 R29 R30 D12 D13 R53 R54 TB3 C20 R34 R50 SW2 4751 4751 4751 4751 OFF OPTIONS ALARM STAT COMM 1002 1002 1002 1002 RELAYS ANALOG R1 R2 R3 R4 Rc AO1 AO2 G...

Page 12: ...r If the COMM LED does not blink then communications have not been established Check the connection between the VCM X Modular Con troller the VCM X Modular E BUS Controller the E BUS Distribution Module and the Full Digital Module STAT LED As previously described this LED will blink out the operation mode that the Full Digital Module is operating under When the board is first powered up the STAT L...

Page 13: ...re and Voltage Chart for R410A Refrigerant testing Table 4 The chart shows a temperature range from 20 F to 80 F For troubleshooting pur poses the DC Voltage readings are also listed with their corresponding temperatures and pressures Table 4 Coil Pressure Voltage Temp for OE275 01 Suction Pressure Transducers R410A Refrigerant OE275 01 Suction Pressure Transducer Coil Pressure Temperature Voltage...

Page 14: ...o Digital Room Sensor And Or Digital CO Sensor 2 Warning 24 VAC Must Be Connected So That All Ground Wires Remain Common Failure To Do So Will Result In Damage To The Controllers T to T R to R SHLD to SHLD Size Transformer For Correct Total Load VCM X Modular Controller 8 VA OE332 23 VCMX MOD A VCM X Modular Controller Note All Relay Outputs Are Normally Open And Rated For 24 VAC Power Only 1 Amp ...

Page 15: ...D COMM GND VDC 485 DRV 24VAC GND PWR YS102308 REV 1 I2C TO COMM DIST BOARD OUTPUT Modular Cable Connect To VCM X Modular Controller HSSC Cable Connect To E BUS Distribution Module Connect To Other WattMaster Approved E BUS Expansion Module s OE370 23 FD A Full Digital Module 5V SIG 2 GND OPTIONS ALARM ANALOG STAT 5V COMM GND SIG 4 GND BIN 2 R1 R2 GND RELAYS ADDRESS SIG 3 5V GND BIN 1 COM 5V SIG 1 ...

Page 16: ...2425 So Yukon Ave Tulsa OK 74107 2728 Ph 918 583 2266 Fax 918 583 6094 AAON Manual Part No R84500 WattMaster Manual Form No AA FDM TGD 01G www aaon com ...

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