Sinclair SCV-1400EB, Service Manual

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7.2 Normal Operating Parameters of Refrigerant System

If the outdoor ambient temperature is high, the system is being run in normal cooling mode with the following settings:
temperature 5°C.

If the outdoor ambient temperature is low, the system is being run in heating mode with the following settings:
temperature 55°C.
 The system has been running normally for more than 30 minutes.
For SCV-750EB and SCV-1400EB
Outdoor unit in normal cooling mode operating parameters
Outdoor ambient temperature °C < 10 10 to 25 25 to 35 35 to 48
Average discharge temperature °C 40-95 65-105 65-105 75-107
Average discharge superheat °C 15-50 25-60 25-65 30-60
Discharge pressure MPa 1.6-2.9 2.1-3.0 2.3-3.8 2.6-4.1
Average suction superheat °C 2-20 2-25 2-25 3-25
Suction pressure MPa 0.6-1.3 0.7-1.0 0.7-1.3 0.7-1.4
Average suction temperature °C 1-30 3-30 3-35 5-40
T3 °C 5-40 15-40 30-48 35-54
Tz/7 °C / / / /
Taf °C 5-25 5-25 5-25 5-25
T6A/B °C / 5-30 8-30 10-40
Twi °C 10-25 10-25 10-25 10-25
Two °C 5-20 5-20 5-20 5-20
Tw °C 5-20 5-20 5-20 5-20
DC fan motor current A
0.2-4
（
75KW
）
0.2-6
（
140KW
）
1-4
（
75KW
）
1-6
（
140KW
）
1.5-4
（
75KW
）
1.5-6
（
140KW
）
2-4
（
75KW
）
2-6
（
140KW
）
DC inverter compressor current A 15-45 15-47 20-53 20-53
Outdoor unit in heating mode operating parameters
Outdoor ambient temperature °C < -10 -10 to 0 0 to 7 7 to 20 > 20
Average discharge temperature °C 60-105 60-105 60-105 65-105 65-105
Average discharge superheat °C 35-55 35-63 30-60 20-55 20-55
Discharge pressure MPa 1.6-3.5 1.8-3.7 2.0-3.9 2.0-4.0 2.5-4.0
Average suction superheat °C -2-10 -5-15 -2-10 0-8 0-10
Suction pressure MPa 0.2-0.5 0.25-0.65 0.3-0.9 0.6-1.2 0.7-1.4
Average suction temperature °C -25 to -5 -22 to 2 -12 to 7 0 to 15 5 to 25
T3 °C -25 to -11 -22 to 0 -12 to 6 0 to 19 5 to 40
Tz/7 °C 20 to 55 20 to 55 20 to 55 20 to 55 20 to 55
Taf °C 20-55 20-55 20-55 20-55 20-55
T6A/B °C -10-35 0-45 0-40 8-45 /
Twi °C 20-50 20-50 20-50 20-50 20-50
Two °C 25-55 25-55 25-55 25-55 25-55
Tw °C 25-55 25-55 25-55 25-55 25-55
DC fan motor current A
1-4
（
75KW
）
1-6
（
140KW
）
1-4
（
75KW
）
1-6
（
140KW
）
1-4
（
75KW
）
1-6
（
140KW
）
1-3.5
（
75KW
）
1-5
（
140KW
）
1-3.5
（
75KW
）
1-5
（
140KW
）
DC inverter compressor current A 10-45 10-45 20-53 20-53 15-45