Daikin MicroTech III Sales And Engineering Data Sheet page 50

Table 23: Bit Description for Enfinity Large Two Compressor (Models CCH/CCW and LVC/LVW)
Bit
Bit Description
Number
0 Normal/Test Mode
1 Fan Operation
2 Loop Fluid
3 Freeze Fault Protection
4 Room Sensor Setpoint Adjust Range
5 Thermostat/Room Sensor
6 & 7 Compressor Availability (2 Jumpers)
8 Compressor #1 Low Pressure Switch
9 Compressor #1 High Pressure Switch
10 Emergency Shutdown
11 Local Occupancy Switch
Thermostat Heat Stage #3
12
(O – Terminal)
Thermostat Fan Request
13
(G – Terminal)
Thermostat
14 Cool Stage #1 / Cool Stage #2
(Y1 – Terminal)
Thermostat
15 Cool Stage #2 / Cool Stage #3
(Y2 – Terminal)
Thermostat Heat Stage #1
16
(W1 – Terminal)
Thermostat Heat Stage #2
17
W2 – Terminal)
18 Not Used
19 Not Used
Secondary Heating Options
20 & 21
(2 Jumpers)
1. This switch is effective only when the network scheduling is not in use.
ED 15103-6 • MICROTECH III WSHP UNIT CONTROLLER
Setting
Unit Controller Jumpers
Jumper 1 = Open (0) Normal operation
Jumper 1 = Shorted (1) Service/Test mode operation
Jumper 2 = Open (0) Continuous fan operation
Jumper 2 = Shorted (1) Cycling fan operation
Jumper 3 = Open (0) Water loop fluid
Jumper 3 = Shorted (1) Glycol loop fluid
Jumper 4 = Open (0) LWT Freeze Fault Protection is disabled
Jumper 4 = Shorted (1) LWT Freeze Fault Protection is enabled
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)
Jumper 6 = Open (0) Thermostat control
Jumper 6 = Shorted (1) Room sensor control
Jumper 7 = Open (0)
Both compressors are available for use
Jumper 8 = Open (0)
Jumper 7 = Shorted (1)
Lead compressor is available for use (lag compressor is off-line)
Jumper 8 = Open (0)
Jumper 7 = Open (0)
No compressors are available for use
Jumper 8 = Shorted (1)
Unit Controller Inputs
Switch Closed (1) Low Pressure Switch for compressor #1 is normal
Switch Open (0) Low Pressure Switch for compressor #1 is in alarm
Switch Closed (1) High Pressure Switch for compressor #1 is normal
Switch Open (0) High Pressure Switch for compressor #1 is in alarm
Open (0) Unit shuts down
Switch Open (0) Unoccupied
Switch Closed (1) Occupied
Switch Closed (1) Third stage of thermostat heating is requested
Switch Closed (1) Thermostat fan operation is requested
First stage of thermostat cooling is requested
(unit has HGR option)
Switch Closed (1)
Second stage of thermostat cooling is requested
(unit does not have HGR option)
Second stage of thermostat cooling is requested
(unit has HGR option)
Switch Closed (1)
Third stage of thermostat cooling is requested
unit does not have HGR option)
Switch Closed (1) First stage of thermostat heating is requested
Switch Closed (1) Second stage of thermostat heating is requested
I/O Expansion Module Jumpers
Jumper 1 = Open (0)
Jumper 2 = Open (0)
Jumper 3 = Open (0)
None
Jumper 4 = Open (0)
Jumper 3 = Shorted (1)
Supplemental electric heat
Jumper 4 = Open (0)
Jumper 3 = Open (0)
Boilerless electric heat
Jumper 4 = Shorted (1)
Jumper 3 = Shorted (1)
Hydronic Heating
Jumper 4 = Shorted (1)
50
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eleCTed arameTers
Description
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