Carrier 30GTR Specifications download pdf (Page 82)

C. Unit Start-Up (cont)

PRESS ESCAPE KEY TO DISPLAY ‘RSET’. PRESS DOWN ARROW KEY TO DISPLAY ‘SLCT’. PRESS ENTER KEY.

RECORD CONFIGURATION INFORMATION BELOW:

SLCT (Cooling Setpoint Select)

DESCRIPTION STATUS DEFAULT UNITS VALUE

Cooling Setpoint Select 0 = Single

1 = Dual Switch

2 = Dual Clock

3=4to20mAInput

Ramp Load Select Enable/Disable Enable

Cooling Ramp Loading 0.2 to 2.0 1.0

Deadband Multiplier 1.0 to 4.0 1.0

PRESS ESCAPE KEY SEVERAL TIMES TO GET TO THE MODE LEVEL (BLANK DISPLAY). USE THE ARROW KEYS

TO SCROLL TO THE SET POINT LED. PRESS ENTER TO DISPLAY SETPOINTS. RECORD CONFIGURATION

INFORMATION BELOW:

SETPOINT

DESCRIPTION STATUS UNITS DEFAULTS VALUE

COOLING

Cool Setpoint 1 −20 to 70 °F 44

Cool Setpoint 2 −20 to 70 °F 44

RAMP LOADING

Cooling Ramp Loading 0.2 to 2.0 °F/min 1.0

HEAD PRESSURE

Head Press. Stpt A 80 to 140 °F 113

Head Press. Stpt B 80 to 140 °F 113

USE ARROW/ESCAPE KEYS TO ILLUMINATE TEMPERATURES LED. PRESS ENTER TO DISPLAY ‘UNIT’. PRESS

ENTER AND USE THE ARROW KEYS TO RECORD TEMPERATURES FOR T1 AND T2 BELOW. RECORD T9 AND T10

IF INSTALLED. PRESS ESCAPE TO DISPLAY ‘UNIT’ AGAIN AND PRESS THE DOWN ARROW KEY TO DISPLAY

‘CIR.A’. PRESS ENTER AND USE THE ARROW KEYS TO RECORD TEMPERATURES FOR T3, T5 AND T7 BELOW.

PRESS ESCAPE TO DISPLAY ‘CIR.A’ AGAIN AND PRESS THE DOWN ARROW KEY TO DISPLAY ‘CIR.B’. PRESS

ENTER AND USE THE DOWN ARROW KEYS TO RECORD TEMPERATURES FOR T4, T6 AND T8 BELOW. USING A

DC VOLTMETER, MEASURE AND RECORD THE VOLTAGE FOR EACH THERMISTOR AT THE LOCATION SHOWN.

TEMPERATURE VDC BOARD LOCATION

T1 (CLWT)

MBB, J8 PINS 13,14

T2 (CEWT) MBB, J8 PINS 11,12

T3 (SCT.A)

MBB, J8 PINS 21,22

T4 (SCT.B) MBB, J8 PINS 15,16

T5 (SST.A) MBB, J8 PINS 24,25 (EXV UNITS ONLY)

T6 (SST.B)

MBB, J8 PINS 18,19 (EXV UNITS ONLY)

T7 (SGT.A) EXV, J5 PINS 11,12 (EXV UNITS ONLY)

T8 (SGT.B) EXV, J5 PINS 9,10 (EXV UNITS ONLY)

T9 (OAT)

MBB, J8 PINS 7,8

T10 (SPT) MBB, J8 PINS 5,6

CL-6

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Carrier 30GTR Specifications Page 82

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