Data; Additional Refrigerant Charge (R410A); Recharge Refrigerant Amount (R410A); Noise Criterion Curves - Mitsubishi Electric PUHZ-SHW230YKA2 Service Manual

3

DATA

3-1. Additional refrigerant charge (R410A)

Initial
Service Ref. charge
(kg)
PUHZ-SHW230YKA2
7.7
PUHZ-SHW230YKA2R1
PUHZ-SHW230YKA2R2 *1
7.1
*1 Set the SW8-2 on controller board ON when the piping length is 10 m or less. (for models from PUHZ-SHW230YKA2R2)

3-2. Recharge refrigerant amount (R410A)

Operation
Service Ref.
PUHZ-SHW230YKA2
ATW/ATA/
PUHZ-SHW230YKA2R1
PUHZ-
SHW230YKA2R2 *1
ATA/AHU
*1 Set the SW8-2 on controller board ON when the piping length is 10 m or less. (for models from PUHZ-SHW230YKA2R2)

3-3. NOISE CRITERION CURVES

MICROPHONE
1m
1.5m
OCH594B
Liquid
Operation
pipe
method
size
2 - 10 m 11 - 20 m 21 - 30 m 31 - 40 m 41–50 m 51–60 m 61–70 m 71–80 m
ATW/ATA/
- -
AHU
ø12.7 -
ATW
ø9.52 -
ø12.7 -
ATA/AHU
ø9.52 -
Liquid
pipe
method
size
2 - 10 m 11 - 20 m 21 - 30 m 31 - 40 m 41–50 m 51–60 m 61–70 m 71–80 m
ø12.7 5.5
AHU
ø9.52 5.4
ø12.7 5.9
ATW
ø9.52 5.7
ø12.7 6.5
ø9.52 6.1
UNIT
GROUND
Total piping length (one way)
Amount of additional refrigerant charge (kg)
- - 1.2
- - 1.4
- - -
- 1.4 2.8
- - 0.8
Total piping length (one way)
Amount of recharge refrigerant (kg)
6.6 7.7 8.9
6.3 6.7 8.3
6.5 7.1 8.5
6.1 6.5 7.1
7.1 8.5 9.9
6.5 7.1 7.9
PUHZ-SHW230YKA2
PUHZ-SHW230YKA2R1
PUHZ-SHW230YKA2R2
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
7
2.4 3.6 4.8
2.8 4.2 5.6
0.8 1.7 2.6
4.2 5.6 7.0
1.7 2.6 3.5
10.1 11.3 12.5
9.4 10.4 11.5
9.9 11.3 12.7
7.9 8.8 9.7
11.3 12.7 14.1
8.8 9.7 10.6
MODE SPL(dB)
COOLING

HEATING

250 500 1000 2000 4000
BAND CENTER FREQUENCIES, Hz
5.2
7.0
3.5
8.4
4.4
12.9
11.8
14.1
10.6
15.5
11.5
LINE
58
59
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000