R410A All DC Inverter V5 X Series 50Hz
MCAC-VTSM-2015-10
134 Troubleshooting
2.2.2 Dial switch setting
S1: Starting time setting
S5: Priority mode selection
Starting time is 10 minutes
Heating priority mode (default)
Starting time is 12 minutes (default)
Cooling priority mode
S2: Night silent time setting
VIP (address no. 63) priority mode or voting
priority mode
Night silent time is 6h/10h (default)
Heating only priority mode
Night silent time is 6h/12h
Cooling only priority mode
Night silent time is 8h/10h
S6: Auto addressing mode selection
Night silent time is 8h/12h
Auto addressing
S3: Silent mode selection
No auto addressing (default)
Night silent mode (default)
Clear the indoor unit address
Silent mode
S7: Set the indoor units
’ numbers selection
Super silent mode.
No need to set the numbers of indoor units
(default)
None silent mode.
Need to set the numbers of indoor units
S4: Static pressure mode selection
S8: Reserved
No static pressure(default)
Low static pressure mode (reserved, can
be customized)
S10: Reserved
Medium static pressure mode (reserved,
can be customized)
High static pressure mode (reserved, can
be customized)
ENC3+S12: Indoor unit quantity setting
The quantity of indoor unit is 0-15
0~9 on ENC3 refer to 0~9 indoor units; A~F on ENC3 refer to 10~15 indoor units.
The quantity of indoor unit is 16-31
0~9 on ENC3 refer to 16~25 indoor units; A~F on ENC3 refer to 26~31 indoor units.
The quantity of indoor unit is 32-47
0~9 on ENC3 refer to 32~41 indoor units; A~F on ENC3 refer to 42~47 indoor units.
The quantity of indoor unit is 48-63
0~9 on ENC3 refer to 48~57 indoor units; A~F on ENC3 refer to 58~63 indoor units.
S1
1 2 3
S5
ON
S1
1 2 3
S5
ON
1 2 3
S5
ON
S2
1 2 3
S5
ON
S2
1 2 3
S5
ON
S2
S2
1 2 3
S6
ON
1 2 3
S6
ON
S3
1 2 3
S6
ON
S3
S3
1 2 3
S7
ON
S3
1 2 3
S7
ON
S4
1 2 3
S8
ON
S4
S4
1 2
S10
ON
S4
ENC3
S12
ON
1 2
ENC3
S12
ON
1 2
ENC3
S12
ON
1 2
ENC3
S12
ON
1 2
