Thermistors T1-T9 are 5 k Ω at 77 F (25 C). 4 - 2 4 V Cont rol Schema tic, Unit Siz es 130-21 0, 230A-31 5A, 330A /B-420A/Bġ0 CEPL130346-01 ST A TUS LEN J1 J2 J4 J3 J5 J6 J7 J8 J9 J10 CCN RED LED - ST A TUS GREEN LED - LEN (LOCAL EQUIPMENT NETWORK) YELLOW LED - CCN (CARRIER COMFORT NETWORK) INST ANCE JUMPER EMERGENCY ON/OFF SWITCH ENABLE/OFF/REMOTE CONT ACT SWITCH GFI-CONVENIENCE OUTLET ACCESSOR Y ON 208/230V 460 AND 575V ONL Y RESET BUTT ON (SIZES 130-210 AND ASSOCIA ġ1 OPERA TING D A T A Sensors - The electronic control uses 4 to 10 thermi stors to sense temperatures for controlling chiller operation. 3 - 24 V Cont rol Sche matic, Un it Sizes 080-110, 230B-315Bĩ CCN LEN D ATA COMMUNICA TION PORT Fig. 3 - 2 4 V Contr ol Schematic, Unit S izes 080- 110, 230B- 315B CCN LEN D ATA COMMUNICA TION PORT / Fig. 2 - 24 V Co ntrol Sch ematic, Un it Sizes 040-070Ĩ Fig. 1 - Typical Control Box (080-110 and Associated Mo dular Units Shown)ħ CCN LEN D ATA COMMUNICA TION PORT Fig. Table 4 - Output Relay LEGEN D OFM - Outdoor-F an Motor *And asso ciate d modular uni ts. †The CPCS can be add ed as an acces sory. If the red LEDs are not blinking in unison, verify that correct powĥ Table 3 - Statu s Swit ches LEGEND *The OPS ca n also be added as an access ory. When operating correctly, the red status LEDs should be blinking in unison at a rate of once every 2 seconds.
MAJOR SYSTEM COMPONENTS General - The 30GTN,R and 30GUN,R air-cool ed recip- rocating chille rs contain the Comfort Link™ electronic control system that controls and m onĤ Contr ol Module Comm unication RE D L E D - Proper operation of the control boards can be visually checked by looking at the red st atus LEDs (light- emitting diodes).
Table 1B - Unit Sizes and Modular Combinations (30GUN,R) *60 Hz un its/50 H z units. 2ģ Table 1A - Unit Sizes and Modular Combinations (30GTN,R) *60 Hz un its/50 H z units.
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