![background image](http://html.mh-extra.com/html/carrier/30gtn/30gtn_service-and-troubleshooting-manual_2560156081.webp)
C. Unit Start-Up (cont)
PRESS ESCAPE KEY TO DISPLAY ‘OPT1’. PRESS DOWN ARROW KEY TO DISPLAY ‘OPT2’. PRESS ENTER KEY.
RECORD CONFIGURATION INFORMATION BELOW.
OPTIONS2 (Options Configuration)
DESCRIPTION
STATUS
DEFAULT
UNITS
VALUE
Control Method
0 = Switch
1 = 7 day sched.
2 = Occupancy
3 = CCN
0
CCN Address
1 to 239
1
CCN Bus Number
0 to 239
0
CCN Baud Rate
1 = 2400
2 = 4800
3 = 9600
4 = 19,200
5 = 38,400
3
Loading Sequence Select
1 = Equal loading
2 = Staged loading
1
Lead/Lag Sequence Select
1 = Automatic
2 = Circuit A leads
3 = Circuit B leads
1
High LCW Alert Limit
2 to 60
60.0
^F
Minutes off time
0 to 15
0
min
PRESS ESCAPE KEY TO DISPLAY ‘OPT2’. PRESS DOWN ARROW KEY TO DISPLAY ‘RSET’. PRESS ENTER KEY.
RECORD CONFIGURATION INFORMATION BELOW:
RESETCON (Temperature Reset and Demand Limit)
DESCRIPTION
STATUS
DEFAULT
UNITS
VALUE
COOLING RESET
Cooling Reset Type
0 = No Reset
1 = 4-20 ma input
2 = External temp-OAT
3 = Return fluid
4 = External temp-SPT
0
No Cool Reset Temp
0 to 125
0.0
°F
Full Cool Reset Temp
0 to 125
125.0
°F
Degrees Cool Reset
−30 to 30
0.0
^F
DEMAND LIMIT
Demand Limit Select
0 = None
1 = External switch input
2 = 4-20 ma input
3 = Loadshed
0
Demand Limit at 20mA
0 to 100
100
%
Loadshed Group Number
0 to 99
0
Loadshed Demand Delta
0 to 60
0
%
Maximum Loadshed Time
0 to 120
60
min
Demand Limit Switch 1
0 to 100
80
%
Demand Limit Switch 2
0 to 100
50
%
LEAD/LAG
Lead/Lag Enable
Enable/Disable
Disable
Master/Slave Select
Slave/Master
Master
Slave Address
0 to 239
0
Lead/Lag Balance Select
Enable/Disable
Disable
Lead/Lag Balance Delta
40 to 400
168
hours
Lag Start Delay
0 to 30
5
mins
CL-5
CUT
ALONG
DOTTED
LINE
CUT
ALONG
DOTTED
LINE
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Summary of Contents for 30GTN
Page 6: ...Fig 1 Typical Control Box 080 110 and Associated Modular Units Shown 6 ...
Page 7: ...Fig 2 24 V Control Schematic Unit Sizes 040 070 7 ...
Page 8: ...Fig 3 24 V Control Schematic Unit Sizes 080 110 230B 315B 8 ...
Page 9: ...Fig 4 24 V Control Schematic Unit Sizes 130 210 230A 315A 330A B 420A B 9 ...
Page 75: ......