ED 15103-6 • MICROTECH III WSHP UNIT CONTROLLER 52 www.DaikinApplied.com
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Binary Output Status
Table 24:
Bit Description for Enfinity Single Stage Compressor (Models MHC/MHW, CCH/CCW, VFC/VFW, LVC/LVW, and
VHC/VHF)
Bit
Number
Bit Description
Value
Description
Unit Controller Outputs
0
Compressor #1
ON (1)
Compressor #1 request
1
Fan or Fan Low Speed
ON (1)
Fan request ON (single speed fan) or
Fan request at low speed (multispeed fan)
2
Reversing Valve #1
ON (1)
Heating position for compressor #1
OFF (0)
Cooling position for compressor #1
3
Pump Request/Isolation Valve
ON (1)
Water flow is required
4
Alarm Output (A – Terminal)
ON (1)
Alarm output is energized with 24VAC when there is no fault
OFF (0)
Alarm output is de-energized when there is a fault
5
Remote Circuit #1 – Red LED
OFF (0) /ON (1)
Red, Green, and Yellow LEDs are used in combination to indicate
unit controller Fault/Status mode for Circuit #1
6
Remote Circuit #1 – Green LED
OFF (0)/ ON (1)
Red, Green, and Yellow LEDs are used in combination to indicate
the unit controller Fault/Status mode for Circuit #1
7
Remote Circuit #1 – Yellow LED
OFF (0) / ON (1)
Red, Green, and Yellow LEDs are used in combination to indicate
the unit controller Fault/Status mode for Circuit #1
8
Room Sensor Status LED
ON (1)
Indicates the room sensor Status LED is on Steady. LED is
ON when the unit controller is in either the Occupied or Bypass
modes
OFF (0)
Indicates the room sensor Status LED is either flashing or
constantly OFF
I/O Expansion Module Outputs
9
Compressor #2 or Fan Medium Speed
ON (1)
Compressor #2 request for fan request at medium speed
10
Reversing Valve #2 or Secondary Heating
ON (1)
Heating position for compressor #2 or Secondary Heating ON
request
OFF (0)
Cooling position for compressor #2 or Secondary Heating OFF
request
11
Hot Gas Reheat (HGR)
ON (1)
Hot Gas Reheat (HGR) request
12
Fan High Speed
ON (1)
Fan request at high speed
13
Remote Circuit #2 – Red LED
OFF (0) / ON (1)
Red, Green, and Yellow LEDs are used in combination to indicate
the unit controller Fault/Status mode for Circuit #2
14
Remote Circuit #2 – Green LED
OFF (0) / ON (1)
Red, Green, and Yellow LEDs are used in combination to indicate
the unit controller Fault/Status mode for Circuit #2
15 (MSB)
1
Remote Circuit #2 – Yellow LED
OFF (0) / ON (1)
Red, Green, and Yellow LEDs are used in combination to indicate
the unit controller Fault/Status mode for Circuit #2
1. MSB = Most Significant Bit