2
TECHNICAL CHANGES
1
The following are in common details.
1. Refrigerant type has changed from R-22(HCFC) to R-407C(HFC).
2. Rated voltage has changed from 220-240V to 220-230V.
3. Compressor has changed from one for R-22 to one for R-407C.
4. Jumper wire JPE for defrosting temperature change in deicer P.C.board is cut at factory shipping.
5. Refrigerant circuit has changed. (Accumulator has been removed.)
MSH-18NV -
➔
MSH-C18SV -
1. It has become impossible that MSH-C18SV-
is connected to MXZ series as multi system units.
MUH-07RV -
➔
MUH-C07SV -
1. Path of heat exchanger has changed.
2. Operating Temperature of Defrosting has changed.
Starting of defrost
: -3
:
or less
➔
0
:
or less
Releasing of defrost
: 3.1
:
or more
➔
10.1
:
or more
3. Refrigerant oil has changed from MS56 to NEO22.
MUH-09RV -
➔
MUH-C09SV -
1. Path of heat exchanger has changed.
2. Operating Temperature of Defrosting has changed.
Starting of defrost
: -3
:
or less
➔
4.3
:
or less
Releasing of defrost
: 3.1
:
or more
➔
14.7
:
or more
3. Refrigerant oil has changed from MS56 to NEO22.
MUH-12RV -
➔
MUH-C12SV -
1. Capillary tube has changed.
{
3.0X
{
1.8X300
➔
{
3.0X
{
1.8X250,
{
3.0X
{
1.6X700
➔
{
3.0X
{
1.6X800)
2. Operating temperature of High Pressure Protection has changed.
Outdoor fan motor ON : 48
:
➔
56
:
Outdoor fan motor OFF: 52
:
➔
60
:
3. Operating temperature of Defrosting has changed.
Starting of defrost
: -3
:
or less
➔
0
:
or less
Releasing of defrost
: 3.1
:
or more
➔
10.1
:
or more
4. Refrigerant oil has changed from MS56 to NEO22.
MUH-18NV -
➔
MUH-C18SV -
1. Operating temperature of High Pressure Protection has changed.
Outdoor fan motor ON : 56
:
➔
52
:
Outdoor fan motor OFF: 60
:
➔
56
:
2. Operating temperature of Defrosting has changed.
Starting of defrost
: -3
:
or less
➔
0
:
or less
Releasing of defrost
: 3.1
:
or more
➔
10.1
:
or more
3. Refrigerant oil has changed from MS32N1 to NEO22.
E1
E4
E1
E1
E1
E1
E1
E1
E1
E1
E4
OB250-A.qxp 3/9/00 9:48 AM Page 2
