Carrier MMY-MAP1204FT9UL - Page 185

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(1) Display of System Information (Displayed on Header Outdoor Unit Only)
FG
A
D
U2U1 U3 U4
Dp
B
EC
Display section A Display section B
Outdoor unit No.
SW01 SW02 SW03 Display detail
Unused1
System capacity2 [... ... 6. 0 t ]~[... 2 0. 0 t ] 6 to 20 Ton
A
3
No. of outdoor units [...1]~[...2]:1 to 2
B [...P]
A
4
No. of indoor units connected /
No. of units with cooling thermo ON
[...0.]~[40.]:0 to 40 (No. of units connected)
B [C...0]~[C40]:0 to 40 (No. of units with cooling thermo ON)
A
5
No. of indoor units connected /
No. of units with heating thermo ON
[...0.]~[40.]:0 to 40 (No. of units connected)
B [H...0]~[H40]:0 to 40 (No. of units with heating thermo ON)
A
7
Release control Normal: [r. ...], During release control: [r.1]
B—
8
Oil equalization control Normal: [oiL-0]
During oil equalization control: [oiL-1]
A
6
Amount of compressor command
correction
Value displayed in hexadecimal format
B
A
9
Oil equalization request Displayed through LED segment lighting pattern
If element F shown on sketch at right turned on:
Header unit oil equalization request
If element C shown on sketch at right turned on:
Follower unit oil equalization request
B
A
10
Refrigerant/oil recovery operation Oil recovery in cooling: [C1], Normal: [C ...]
B Refrigerant recovery in heating: [H1], Normal: [H ...]
A
11
Automatic addressing [Ad]
B During automatic addressing: [... FF], Normal: [... ... ...]
Unused16
A
12
Power pick-cut [dU]
14
Optional control
(BUS line input)
Same as above
B Normal: [... ... ...], During 50-90% capacity operation: [_50-_90]
While control is based on BUS line input: [E50-E90]
13
31
Optional control (P.C. board input) Displays optional control status A B
Operation mode selection: During priority heating (normal) h.
∗
.
∗
.
∗
.
∗
.
Heating only H.
∗
.
∗
.
∗
.
∗
.
Cooling only C.
∗
.
∗
.
∗
.
∗
.
Start input
∗
.1.
External master ON/OFF: Normal
∗
.....
∗
.
∗
.
∗
.
∗
.
∗
.
∗
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Stop input
∗
.0.
∗
.
∗
.
∗
.
Start input
∗
.
∗
.
Night operation: Normal
∗
.
∗
.
1.
∗
.
∗
.
....
∗
.
∗
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Start input
∗
.
∗
.
Snowfall operation: Normal
∗
.
∗
.
∗
.1.
∗
.
∗
....
∗
.
Unused15