Electrical Data; 24V Connection Diagrams - Carrier 38MURA Installation Instructions Manual

38MURA: Installation Instructions

ELECTRICAL DATA

208/230-1-60
Maximum
Minimum
OUTDOOR
Overcurrent
UNIT
Circuit
Protection
Ampacity
Ampacity
(MCA)
18K 16
18K HH 16
24K 19
24K HH 20.5
30K 20
30K HH 23
36K 24
36K HH 41
48K 34
48K HH 42
60K 34
60K HH 42
LEGEND
FLA - Full Load Amps
MCA - Minimum Circuit Amps
MOPA - Maximum Overcurrent Protection Ampacity

24V CONNECTION DIAGRAMS

NOTE: Terminal D is now energized when the outdoor unit goes into defrost mode and can be used to enable electric heat. This feature is not
available when the outdoor unit communicates with the indoor unit via non-polarity RS485 Communication S1-S2.
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Table 9 — Electrical Data
MAX-MIN
VOLTAGE
RANGE
(MOCP)
20 253-187
20 253-187
30 253-187
35 253-187
35 253-187
35 253-187
40 253-187
50 253-187
50 253-187
50 253-187
60 253-187
60 253-187
Table 10 — Terminal Function
R
C
Y1
Y2
B
W
D
L
COOLING
Running Power
Power Factor
Current Consumption
7.5 1620
6.5 1430
9.7 2120
9.4 1920
12.2 2760
12.4 2720
15.82 3750
14.8 3300
21.9 5046
24.2 5530
23.8 5644
26.7 6110
24V Power Connection
Common
Low Demand
High Demand
Heating Reversing Valve
Heating Control
Defrost - (24V output signal)
System Fault - (24V output signal)
16
HEATING
Running Power
Current Range Consumption
97.2 6.7 1510
71.5 7 1550
98.9 9.8 2150
94.6 9.13 2040
95.8 12.4 2850
96.4 12.5 2780
97.2 16.12 3496
97.8 14.8 3400
98 23.3 5373
99 21.5 4880
98.3 20.9 4959
97.9 21.5 4940
Power Factor
96.9
71.5
98.8
94.5
96.3
96.7
96.8
97.6
98.4
98.9
97.7
97.1