Mitsubishi Electric CITY MULTI PUHY-400YMF-B, Service Handbook

Page: 108 / 204

–105–
For steps 4 - 6
(Example 1)
A-minute
Step 4 Step 5 Step 6
10
minutes
5
minutes
ON/OFF of
No.1 compressor
ON/OFF of
No.2 compressor
ON/OFF of
No.3 compressor
End of initial operation mode
Operation
Frequency Level (Hz)
–
217 (For variable capacity
unit model 500)
162 (For variable capacity
unit model 400)
100
100
Less than 100
Conditions
Constant capacity unit
power on 7 hours.
[ET or EPT-{(F-22)/22}]
1
°
C
[ET or EPT-{(F-22)/22}]
– 1.5
°
C
[ET or EPT-{(F-22)/22}]
– 20
°
C
Other
(A-minute Definitions)
A
0
minute
10
minutes
25
minutes
50
minutes
7 hr
(Example 2)
A-minute
Less than
A-minute
Less than
A-minute
Step 4 Step 6
Step 5
10
minutes
5
minutes
ON/OFF of
No.1 compressor
ON/OFF of
No.2 compressor
ON/OFF of
No.3 compressor
End of initial operation mode
Note 1
(Example 3)
A-minute
Less than
5 minutes Less than
5 minutes
Step 6
Step 5
Step 4 Step 5
Step 4
Step 4
Step 5
10
minutes
5
minutes
ON/OFF of
No.1 compressor
ON/OFF of
No.2 compressor
ON/OFF of
No.3 compressor
End of initial operation mode
Note 2