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JOHNSON CONTROLS
160
FORM 150.66-NM1 (708)
Maintenance
TABLE 34 – ISN TRANSMITTED DATA (CONT’D)
ISN CONTROL (CON’T)
ISN
PAGE
CHARACTER
TYPE
DATA
P38
110
Digital
Evaporator Heater
Status
P39
111
Digital
Evaporator Pump
Status
P40
112
Digital
SYS 1
Comp. 2 Run
P41
113
Digital
SYS 2
Comp. 2 Run
P42
114
Digital
SYS 1 Liquid Line
Solenoid Valve or
EEV Pilot Solenoid
P43
115
Digital
SYS 1 Hot Gas
Bypass Valve
P44
116
Digital
SYS 1
Comp. 2 Run
P45
117
Digital
SYS 2
Comp. 2 Run
P46
118
Digital
SYS 2 Liquid Line
Solenoid Valve or
EEV Pilot Solenoid
P47
119
Digital
Lead System
(0=SYS 1, 1=SYS 2)
P48
120
Digital
SYS 1
Comp.3 Run
P49
121
Digital
SYS 2
Comp. 3 Run
P50
122
Digital
Chilled Liquid Type
(0=Water, 1=Glycol)
P51
123
Digital
Ambient Control Mode
(0=Std. Ambient,
1=Low Ambient)
P52
124
Digital
Local/Remote
Control Mode
(0=Local,
1=Remote)
P53
125
Digital
Units
(0=Imperial, 1= SI)
P54
126
Digital
Lead/Lag Control
Mode
(0=Manual,1= Remote)
P55
127
Digital
----
P56
128
Coded
* SYS 1
Operational Code
P57
129
Coded
* SYS 1
Fault Code
P58
130
Coded
* SYS 2
Operational Code
P59
131
Coded
* SYS 2
Fault Code
ISN
PAGE
CHARACTER
TYPE
DATA
P60
132
Coded
----
P61
133
Coded
SYS 1 Condenser
Fan Stage
P62
134
Coded
----
P63
135
Coded
SYS 2 Condenser
Fan Stage
P64
136
Coded
----
P65
137
Coded
Unit Control Mode
(0=Leaving Water,
1=Return Water,
2=Discharge Air,
3=Suction Press.,
4=Cooling
5=Heating)
P66
138-141
Analog
Anti-Recycle Timer
P67
142-145
Analog
Leaving Chilled Liquid
Temp. Cutout
P68
146-149
Analog
Low Ambient
Temp. Cutout
P69
150-153
Analog
----
P70
154-157
Analog
Low Suction
Pressure Cutout
P71
158-161
Analog
High Discharge
Pressure Cutout
P72
162-165
Analog
Setpoint
P73
166-169
Analog
Cooling Range
P74
170-173
Analog
----
P75
174-177
Analog
----
P76
178-181
Analog
SYS 1 Discharge
Temp.
(EEV Only-Optional)
P77
182-185
Analog
SYS 1 Discharge
Superheat
(EEV Only- Optional)
P78
186-189
Analog
SYS 2 Discharge
Temp.
(EEV Only- Optional)
P79
190-193
Analog
SYS 2 Discharge
Superheat
(EEV Only- Optional)
P80
194
Digital
----
P81
195
Digital
----
P82
196
Digital
----
P83
197
Digital
----
P84
198
Digital
----
* The operational and fault codes sent to pages 56 through 59 are defi ned in Table 35. Note that this table of fault and operational codes is for
all DX products.