Daikin RDT-135c Installation And Maintenance Manual page 128

Roofpak series singlezone roof mounted heating and cooling units

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Table of Contents

Rooftop Equipment Warranty Registration Form

Warranty Registration Form (continued)

E. Ambient temperature ______________________ °F

F. Oil safety control time delay (sizes 115 to 135C only):

G. Compressor lockout timers function? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes

H. FanTrol functions:

I. Part winding start time functions (sizes 115 to 135C option only):

Compressor:

Supply fan:

Return fan:

J. Does unit start up and perform per sequence of operation?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes

IV. PERFORMANCE DATA

A. Compressor voltage across each phase:

B. Compressor amperage of fully loaded compressor:

Compressor #1

Compressor #2

Compressor #3

Compressor #4

Compressor #5

Compressor #6

C. Low pressure cut-out:

Low pressure cut-in:

D. High pressure cut-out:

E. Discharge pressure, one compressor:

Discharge pressure, fully loaded, 2–3 compressors:

F. Suction pressure, one compressor:

Suction pressure, fully loaded, 2–3 compressors:

Liquid press, fully loaded, 2–3 compressors

(at liquid line shutoff valve):

Liquid temperature, fully loaded, 2–3 compressors:

G. System oil pressure (oil pressure-suction-net oil pressure):

(on four-compressor units, indicate for each compressor)

H. Suction line temperature:

Superheat:

J. Is the liquid in the line sightglass clear and dry?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes

K. Does the hot gas bypass valve function properly? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes

L. At what suction pressure does the hot gas bypass valve open?

M. Record discharge air temperature at discharge of unit:

N. Are all control lines secure to prevent excessive vibration and wear? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes

O. Are all gauges shut off and valve caps and packings tight after start-up? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes

V. ELECTRIC HEAT CHECK, TEST & START

A. Electrical heat service corresponds to unit nameplate? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes

Volts

B. Are there any signs of physical damage to the electric heat coils? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes

C. Have all electrical terminals been tightened? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes

D. Does sequence controller stage contactors properly? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes

E. Electric heater voltage across each phase:

F. Amp draw across each phase at each heating stage:

Stage 1

Phase L1:

___________

Phase L2:

___________

Phase L3

___________

G. FLA:

L1 ___________

H. Operate electric heat with fans off. Electric heat must cycle on high limit control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes

126

TC13 ________

TC14 ________

TD1 __________

TD2 __________

TD9 __________

TD19 _________

1–2 _________ V

Phase 1 ________