Toshiba MAR-C104M8-1-PE, Service Manual

Page: 32 / 73

35
Sending
to
unit D
Receiving
from
unit A
Receiving
from
unit B
Sending
to
unit B
Multi controller
Heating [H]*, Cooling [C]
Stop [0]
Outdoor unit
Heating [H]*, Cooling [C]
Other [0], Defrost [J]
7 Segment LED display.
LD 1
LD 2
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Oil
retrieval,
superheat
control
Instructed demand frequency of Cooling or Heating [00 - 1F] Refer to table below.
Fault code display (Normal [00]) Refer to fault code section for details.
Serial
signal
---
---
---
---
--- ---
--- --- ---
Indication
Switch
Position
Sending
to
unit A
Sending
to
unit C
Receiving
from
unit C
Sending
to
Outdoor
Unit
Oil
retrieval
unit B
Superheat
control
unit B
Superheat
control
unit A
---
Oil
retrieval
unit A
Oil
retrieval
unit D
Superheat
control
unit D
Superheat
control
unit C
Oil
retrieval
unit C
Displays [dF] during defrost operation
Restart
timer
Displays sensor temperature
Refer to the sensor temperature conversion table (7.2.3).
Displays the degree of PMV opening (0 - 240) as a Hexadecimal Code:
[00] : Closed, [F0] : Fully Open
Displays unit being tested [A b C d]
Indicates faulty unit connection [A b C d]
Operation
mode
Display code
Display conversion table
Frequency conversion
value (Hz)
Display code
Frequency conversion
value (Hz)
00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F
0 0 0 3.9 6.9 10.0 13.1 16.2 19.3 22.4 25.5 28.6 31.7 34.8 37.9 41.0
44.1 47.2 50.3 58.4 56.5 59.6 62.7 65.8 68.9 72.0 75.1 78.2 81.3 84.4 87.5 90.0
Displays the instructed demand frequency of heating or cooling from the multi-controller to the outdoor unit.
* Heating relates to MAR-M104HTM8-1-PE Outdoor Unit, RBM-Y1034-1-PE / RBM-Y1044-1-PE Multi Controller
7.2.2 Display switch set to position "2".
Normal display [00], Restart timer counting [01]
Receiving
from
unit D
Receiving
from
Outdoor
Unit
Fault
Codes
Demand
Defrost
Circuit test
PMV A
PMV B
PMV C
PMV D
ThA
ThB
ThC
ThD
ThX