Daikin MicroTech III Sales And Engineering Data Sheet

ED 15103-6 • MICROTECH III WSHP UNIT CONTROLLER 48 www.DaikinApplied.com
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Table 21: Binary Input Status Bit Descriptions - Ennity Single Stage Compressor (Models MHC/MHW, CCH/CCW, VFC/
VFW, LVC/LVW, VHC/VHF), Continued
Bit Number Bit Description Setting Description
Unit Controller Jumpers
22 & 23
Fan Speed Selection
(2 Jumpers)
Jumper 5 = Open (0)
Single speed fan
Jumper 6 = Open (0)
Jumper 5 = Shorted (1)
Two speed fan
Jumper 6 = Open (0)
Jumper 5 = Open (0)
Three speed fan
Jumper 6 = Shorted (1)
24 Not used Jumper 7 = Open (0)
25
Lead Compressor Options
(Unit controller software v3.1 and newer)
Jumper 8 = Open (0) Compressor #1 is lead
Jumper 8 = Closed (1) Compressor #2 is lead (dual compressor models only)
I/O Expansion Module Inputs
26 Compressor #2 Low Pressure Switch
Switch Closed (1) Low Pressure Switch for compressor #2 is normal
Switch Open (0) Low Pressure Switch for compressor #2 is in alarm
27 Compressor #2 High Pressure Switch
Switch Closed (1) High Pressure Switch for compressor #2 is normal
Switch Open (0) High Pressure Switch for compressor #2 is in alarm
28 Humidistat Dehumidication Request
Closed (1) HGR Dehumidication is requested
Open (0) HGR Dehumidication is not requested
29 Not used N/A
30 Not used N/A
31 Previous Unit Heat/Cool/Dehumid Mode Provided by unit controller
Provides mode awareness in Fan Only state
(0=Heating, 1=Cooling or Dehumidication)
1. This switch is effective only when the network scheduling is not in use.
Table 22: Bit Description for SmartSource Single and Two Stage Compressor (Models GSH/GSV, GTH/GTV and GCV)
Bit Number Bit Description Setting Description
Unit Controller Jumpers
0 Normal/Test Mode
Jumper 1 = Open (0) Normal operation
Jumper 1 = Shorted (1) Service/Test mode operation
1 Fan Operation
Jumper 2 = Open (0) Continuous fan operation
Jumper 2 = Shorted (1) Cycling fan operation
2 Loop Fluid
Jumper 3 = Open (0) Water loop uid
Jumper 3 = Shorted (1) Glycol loop uid
3 Freeze Fault Protection
Jumper 4 = Open (0) LWT Freeze Fault Protection is disabled
Jumper 4 = Shorted (1) LWT Freeze Fault Protection is enabled
4 Room Sensor Setpoint Adjust Range
Jumper 5 = Open (0) Short range: -5º to +5º F (-2.78º to +2.78º C)
Jumper 5 = Shorted (1) Long range: 55º to 95º F (12.78º to 35º C)
5 Thermostat/Room Sensor
Jumper 6 = Open (0) Thermostat control
Jumper 6 = Shorted (1) Room sensor control
6 Compressor Heating Source
Jumper 7 = Open (0) Allows compressor Heating mode operation
Jumper 7 = Shorted (1) Disables compressor Heating mode operation
7 I/O Expansion Module
Jumper 8 = Open (0) I/O Expansion Module is not present
Jumper 8 = Shorted (1) I/O Expansion Module is required
Unit Controller Inputs
8 Compressor Low Pressure Switch
Switch Closed (1) Compressor Low Pressure Switch is normal
Switch Open (0) Compressor Low Pressure Switch is in alarm
9 Compressor High Pressure Switch
Switch Closed (1) Compressor High Pressure Switch is normal
Switch Open (0) Compressor High Pressure Switch is in alarm
10 Emergency Shutdown Open (0) Unit shuts down
11 Local Occupancy Switch
Switch Open (0) Unoccupied
1
Switch Closed (1) Occupied
12
Thermostat Heat Stage #3
(O – Terminal)
Switch Closed (1) Third stage of thermostat heating is requested
13
Thermostat Fan Request
(G – Terminal)
Switch Closed (1) Thermostat fan operation is requested

Daikin MicroTech III Specifications

General

Brand	Daikin
Model	MicroTech III
Category	Controller
Language	English