214
13. Outdoor Unit Operation Control
13.1 System Start Control
13.1.1 Outdoor unit operation mode judgment
•
When remote control, centralized control, or Cool/Heat Selector Switch (CZ-RD1) is turned ON, outdoor unit
operation mode is set as shown in table below:
Indoor Unit Operation Condition
Outdoor Unit Operation Condition
Cool or Soft Dry Mode
Cool Mode
Heat Mode
Heat Mode
Fan Mode
Off
•
The priority of outdoor unit operation mode is given to the indoor unit that turn ON first, when another operation
mode is selected from other indoor unit, the subsequence operation mode will be standby.
•
When all indoor units have stopped operation in deice control, outdoor unit continues operation Heat mode, and
operation mode stops after completion of deice control.
13.2 Compressor Startup control
•
During cool start condition where the compressor discharge temperature is less than 15°C, compressor
frequency perform a shift up after indoor heat exchanger temperature increase 1°C (15 seconds interval
sampling).
•
If not in cool start condition compressor startup will skipped step 2, 3, 4.
Gas bypass valve will ON for a short period once compressor startup
o
ON for 60 seconds if compressor discharged temperature is less than 15°C.
o
ON for 30 seconds if compressor discharged temperature is 15°C or more.
•
Compressor only can be startup after at least 3 minutes of compressor OFF (Compressor restart delay control).
Step 1
Step 2
Step 3
Step 4
Step 5
(H
z)
Time (Sec)
Min 30sec
Max 180sec
Min 30sec
Max 180sec
Min 30sec
Max 180sec
Min 30sec
Max 300sec
Min 30sec
Max 180sec
Summary of Contents for S-32NA1E5
Page 4: ...4 23 6 Heating 430 24 Exploded View and Replacement Parts List451 24 1 Indoor Unit 451 ...
Page 12: ...12 ...
Page 40: ...40 4 1 2 S 56KA1E5 S 63KA1E5 S 71KA1E5 ...
Page 42: ...42 4 3 95 x 95 Cassette Type Indoor Unit 4 3 1 S 63UA1E5 S 71UA1E5 S 90UA1E5 ...
Page 44: ...44 4 5 Low Static Pressure Hide Away Type Indoor Unit 4 5 1 S 45MA1E5 S 56MA1E5 ...
Page 45: ...45 4 5 2 S 63MA1E5 S 71MA1E5 S 90MA1E5 ...
Page 51: ...51 7 Wiring Connection Diagram 7 1 Wall Mounted Type Indoor Unit KA1E5 Series ...
Page 52: ...52 7 2 60 x 60 Cassette Type Indoor Unit YA1E5 Series ...
Page 53: ...53 7 3 95 x 95 Cassette Type Indoor Unit UA1E5 Series ...
Page 54: ...54 7 4 Slim Hide Away Type Indoor Unit NA1E5 Series ...
Page 55: ...55 7 5 Low Static Pressure Hide Away Type Indoor Unit MA1E5 Series ...
Page 56: ...56 7 6 Outdoor Unit LA1E5 Series ...
Page 57: ...57 8 Electronic Circuit Diagram 8 1 Wall Mounted Type Indoor Unit KA1E5 Series ...
Page 58: ...58 ...
Page 59: ...59 8 2 60 x 60 Cassette Type Indoor Unit YA1E5 Series ...
Page 60: ...60 ...
Page 61: ...61 8 3 95 x 95 Cassette Type Indoor Unit UA1E5 Series ...
Page 62: ...62 ...
Page 63: ...63 8 4 Slim Hide Away Type Indoor Unit NA1E5 Series ...
Page 64: ...64 ...
Page 65: ...65 8 5 Low Static Pressure Hide Away Type Indoor Unit MA1E5 Series ...
Page 66: ...66 ...
Page 67: ...67 8 6 Outdoor Unit LA1E5 Series ...
Page 68: ...68 ...
Page 70: ...70 9 1 3 Receiver PCB CN DISP 9 1 4 Error Code Display PCB CN CODE ...
Page 74: ...74 9 6 Outdoor Unit LA1E5 Series 9 6 1 Main PCB ...
Page 76: ...76 9 6 3 Capacitor PCB DCN IN DCN OUT DCP IN DCP OUT ...
Page 195: ...195 ...
Page 201: ...201 ...