Daikin MicroTech I Sales And Engineering Data Sheet

seleCTed parameTers InformaTIon
www.DaikinApplied.com 49 ED 15103-6 • MICROTECH III WSHP UNIT CONTROLLER
Table 22: Bit Description for SmartSource Single and Two Stage Compressor (Models GSH/GSV, GTH/GTV and GCV),
Continued
Bit Number Bit Description Setting Description
Unit Controller Jumpers
14
Thermostat
Cool Stage #1/Cool Stage #2
(Y1 – Terminal)
Switch Closed (1)
First stage of thermostat cooling is requested
(unit has HGR option)
Second stage of thermostat cooling is requested (unit does not
have HGR option)
15
Thermostat
Cool Stage #2/Cool Stage #3
(Y2 – Terminal)
Switch Closed (1)
Second stage of thermostat cooling is requested
(unit has HGR option)
Third stage of thermostat cooling is requested
(unit does not have HGR option)
16
Thermostat Heat Stage #1
(W1 – Terminal)
Switch Closed (1) First stage of thermostat heating is requested
17
Thermostat Heat Stage #2
(W2 – Terminal)
Switch Closed (1) Second stage of thermostat heating is requested
I/O Expansion Module Jumpers
18 & 19
Unit controller software v6.1 and older:
Not used
Unit Controller v6.2 and newer:
Fan Row Select
Jumper 1 & Jumper 2
Fan row select for modes:
Fan Only/Hydronic Heating/Hydronic Cooling
20 & 21
Secondary Heating Options
(2 Jumpers)
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
(applies only to unit controller software v6.0 and newer)
Jumper 4 = Shorted (1)
22 & 23
Dehumidication/Cooling Options
(2 Jumpers)
Jumper 5 = Open (0)
None
Jumper 6 = Open (0)
Jumper 5 = Shorted (1)
Hot Gas/Water Reheat (HGR)
Jumper 6 = Open (0)
Jumper 5 = Open (0)
Hydronic Cooling (waterside economizer)Jumper 6 = Shorted (1)
24 Not used Jumper 7 = Open (0)
25 Compressor Capacity Option
Jumper 8 = Open (0) Single stage capacity compressor
Jumper 8 = Shorted (1) Dual stage capacity compressor
I/O Expansion Module Inputs
26 Thermostat Heat Stage #4 Switch Closed (1) Fourth stage of thermostat heating is requested
27
Compressor High Capacity – High Pressure
Cutout Switch
Closed (1) Compressor High Capacity – High Pressure Switch is normal
Open (0) Compressor High Capacity – High Pressure Switch is in alarm
28
Humidistat Dehumidication /
Cooling Stage #1 Request
Closed (1)
HGR Dehumidication is requested (unit has HGR option)
First stage of cooling is requested (unit does not have HGR
option)
29 & 30 Fan Speed Lookup Table Row Select Binary: 00 , 01, 10, 11
Fan speed duty cycle lookup table row selection as dened here:
Row Switch
00 A/4
01 B/3
10 C/2
11 D/1
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.

Daikin MicroTech I Specifications

General

Brand	Daikin
Model	MicroTech I
Category	Controller
Language	English