8-8. SMMS
-
e
Stand alone type
Outdoor Interface P.C. Board
Function Setting
Exchange Table
1.
Switch/Function Setting Exchange
SW06
DIP SW 4 bit
bit 1 Compressor 1 backup
OFF: Normal, ON: Backup when compressor 1
was in trouble
Part type
Exchange contents
Initial setting
at shipment
OFF
SW07
DIP SW 4 bit
bit 1 Demand control 1
(Standard specifications)
Exchange of upper limit regulation
OFF: 0 to 100%
ON : Middle to 100%
OFF
SW09
DIP SW 4 bit
bit 2 Demand control 2 (Expansion function)
Exchange of 2 steps to 4 steps of
upper limit
OFF: 2 steps (Standard)
ON : 4 steps
OFF
bit 2 Compressor 2 backup
OFF: Normal, ON: Backup when compressor 2
was in trouble
OFF
bit 2 Indoor connection capacity over
Judgment of
trouble
OFF:
Trouble
judgment
ON : None (when backup setting for outdoor unit)
OFF
bit 4 Judgment of
trouble
for No. of
connected
indoor units
OFF: No
trouble
judgment
ON :
Trouble
judgment
OFF
SW10
DIP SW 4 bit
bit 2 Outdoor fan high static pressure
operation
OFF: Normal
ON : High static pressure operation
OFF
SW12
DIP SW 4 bit
bit 1 Selection of PMV open/close or
manual operation
(According to the following setting contents)
OFF
bit 1 bit 2
OFF
OFF
PMV1 opens/closes by operation of CN30/CN31 (*
1
)
bit 2
OFF
SW11
DIP SW 4 bit
bit 4 Operation switching when indoor water
overflow
trouble
detected
OFF: Entire system stops
ON : System operation continues
(Room which trouble occurred only stops.)
OFF
SW16
DIP SW 4 bit
bit 1 Option function
Output exchange of external output
P.C. boa
rd
(According to the following setting contents)
bit 1 bit 2
OFF OFF Compressor operation output
ON OFF
bit 2
OFF
Display of system operation ratio
CN30 Check connector Manual full opening operation for PMV
opening operation
When released: Normal,
When short-circuited: Open fully (
2 minutes
)
Released
SW30
DIP SW 2 bit
bit 1 Communication termination resistance
between outdoor units
OFF: No termination resistance
ON : With termination resistance
ON
CN31 Check connector Manual full closing operation for PMV
opening operation
When released: Normal,
When short-circuited: Closed fully (
2 minutes
)
Released
bit 2 Communication termination resistance
between indoor and outdoor units
OFF: No termination resistance
ON : With termination resistance
ON
bit 3 For low noise operation
OFF: Normal
ON : INV frequency upper limit restriction
OFF
bit 4
OFF: Normal
ON : Fan rpm upper limit restriction
OFF
All bit1 and
2
are ON: Setup of outdoor unit backup
OFF
*
1
PMV full open/full close operation by short-circuited CN30/CN31 is for PMV which was selected by setting
of SW12.
OFF
bit
4 The sensor which judges return
in freeze prevention control
OFF
OFF : Using TC2 sensor
ON : No using TC2 sensor
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