Daikin PreciseLine Series Installation And Maintenance Manual page 41

Table 26: Potential Field Connections and Locations
(Sizes 060-100)
Label Description
24+ Supply Voltage
N24 Supply Voltage Common
236 Sensor Common
+24V Sensor Power MCB
+24V-A Sensor Power EXP-A
Condensate Overflow
202
Switch
208 Outdoor Air Humidity
208E Space Humidity Sensor
208G Return Air Humidity Sensor 0-10VDC Input
213 Space CO2
220 Freeze Stat
SCR Electric Heat/Electric
222
Heat Stage 1
222C Chilled Water Valve Output 24VAC Output
223 Electric Heat Stage 2
224 Electric Heat Stage 3
225 Electric Heat Stage 4
228C Hot Water Valve Output
232A Dirty Filter Switch
TB2
247 Leving Coil Temp
249 Compressor 1/Vlv1 On Off
251 Compressor 2
254 Compressor 3
256 Compressor 4
267 Supply Fan Signal
275 Exhaust Fan Signal
277 Outdoor Air Damper
281 Discharge Air Temp
282 Return Air Temp
297 Outdoor Air Temp
299 Emergency Stop
2120 Air Flow Switch
2124 Duct Static Pressure
2130 Damper End Switch
2133 Return Air Damper
2140 VAV Box Output
Modulating Chilled Water
2150
Valve
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PreciseLine units operate with 115V and 24V control circuit
power. All field control wiring connections are made at the class
II terminal blocks TB2, TB4, and TB12 which is located in the
Signal
Low Voltage Control Panel, shown in
24VAC Output Supply
Ground
NOTE: The installation of all field wiring, must comply with all
Sensor Common
24VDC Supply MCB
24VDC Supply EXP-A
Discrete Contact Closure
0-10VDC Input
0-10VDC Input
Emergency Stop
0-10VDC Input
The terminals TB12-T10 & TB2-Ground on sizes 006-050 and
24VAC Contact Closure
TB2-299 & TB2-236 on sizes 060-100 can be used for any
0-10VDC Output/24VAC
Output
field supplied component that requires a unit emergency stop.
When these terminals are used, the factory installed jumper
24VAC Output
must be removed.
24VAC Output
24VAC Output
24VAC Output
Discrete Contact Closure
Thermistor Input
24VAC Output
24VAC Output
24VAC Output
24VAC Output
0-10VDC Output
0-10VDC Output
0-10VDC Output
Thermistor Input
Thermistor Input
Thermistor Input
Discrete Contact Closure
24VAC Contact Closure
0-10VDC Input
Discrete Contact Closure
0-10VDC Output
24VAC Output
0-10VDC Output
41
applicable local codes and ordinances. The warranty
may be limited or certain aspects excluded if the field
wiring is not in accordance with these standards.
If a single conduit containing 24V and 115V wiring is
run above the roofline between units, consider the
24V wiring within as an NEC Class I wiring system.
IM 1267-7 • PRECISELINE AIR HANDLER
Installation
Figure 64 and Figure 65.