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9. Multiple outdoor units control
9.6Dipswitchfunctions
<Outdoor unit>
• Set refrigerant address on each outdoor unit from 1 to 6.
Note:DoNOTuserefrigerantaddress0as0isusedforFTC(Master).Theaddressrangeisfrom1to6.
Split model (SW1-3 to SW1-6)
Dipswitch
Refrigerant address number
Add. 1 Add. 2 Add. 3 Add. 4 Add. 5 Add. 6
SW1-1 — — — — — —
SW1-2 — — — — — —
SW1-3 ON OFF ON OFF ON OFF
SW1-4 OFF ON ON OFF OFF ON
SW1-5 OFF OFF OFF ON ON ON
SW1-6 OFF OFF OFF OFF OFF OFF
Packaged model (SW7-3 to SW7-6)
Dipswitch
Refrigerant address number
Add. 1 Add. 2 Add. 3 Add. 4 Add. 5 Add. 6
SW7-1 — — — — — —
SW7-2 — — — — — —
SW7-3 ON OFF ON OFF ON OFF
SW7-4 OFF ON ON OFF OFF ON
SW7-5 OFF OFF OFF ON ON ON
SW7-6 OFF OFF OFF OFF OFF OFF
<FTC: Master>
• Set Dip SW4-1 and SW4-2 to ON.
• For more details refer to “5. Dip Switch setting.”
<FTC: Slave>
• Set Dip SW4-1 to ON "Active :multiple outdoor unit control".
• Set Dip SW1-7 (Outdoor unit type) on each slave unit according to each connected outdoor unit type.
• Set only Dip-SW1-3 to ON on the slave unit that runs DHW operation.
Dipswitch Function OFF ON Master
Slave
(PAC-SIF051B-E)
Slave *1
(Hydrobox)
SW1
SW1-1 Bolier WITHOUT Bolier WITH Bolier
— —
SW1-2
Heat pump maximum outlet water
temperature
55˚C 60˚C
SW1-3 DHW tank WITHOUT DHW tank WITH DHW tank
SW1-4 Immersion heater WITHOUT Immersion heater WITH Immersion heater — —
SW1-5 Booster heater WITHOUT Booster heater WITH Booster heater
— —
SW1-6 Booster heater function For heating only For heating and DHW — — —
SW1-7 Outdoor unit type Split type Packaged type —
SW1-8 Wireless remote controller
WITHOUT Wireless remote controller
WITH Wireless remote controller — —
SW2
SW2-1
Room thermostat1 input (IN1) logic change
Zone1 operation stop at short Zone1 operation stop at open — —
SW2-2 Flow switch1 input (IN2) logic change Failure detection at short Failure detection at open
SW2-3 Booster heater capacity restriction Inactive Active — —
SW2-4 Cooling mode function Inactive Active
— —
SW2-5
"Automatic switch to backup heater only
operation (When outdoor unit stops by error)"
Inactive Active — —
SW2-6 Mixing tank WITHOUT Mixing tank WITH Mixing tank
*2 — —
SW2-7 2-zone temperature control Inactive Active
— —
SW2-8 Flow sensor WITHOUT Flow sensor WITH Flow sensor
—
SW3
SW3-1
Room thermostat2 input (IN6) logic change
Zone2 operation stop at short Zone2 operation stop at open —
SW3-2 Flow switch2 input (IN3) logic change Failure detection at short Abnormality detection at open
—
SW3-3 Flow switch3 input (IN7) logic change Failure detection at short Abnormality detection at open
—
SW3-4 — — — — —
SW3-5 Heating mode function Inactive Active
—
SW3-6 2-zone valve ON/OFF control Inactive Active
—
SW3-7 — — — — —
SW3-8 — — — — —
SW4
SW4-1 Multiple unit control Inactive Active ON ON ON
SW4-2 Position of multiple outdoor units control Slave Master ON
OFF OFF
SW4-3 — — — — — —
SW4-4 — — — — — —
SW4-5
Emergency mode (Heater only operation)
Normal
"Emergency mode (Heater only operation)
(To be activated only when powered ON)"
— —
SW4-6 Emergency mode (Bolier operation) Normal
"Emergency mode (Bolier operation) (To
be activated only when powered ON)"
— —
SW5
SW5-1 — — — — —
SW5-2 Advanced auto adaptation Inactive Active
—
SW5-3 — — — — —
SW5-4 — — — — —
SW5-5 — — — — —
SW5-6 — — — — —
SW5-7 — — — — —
SW5-8 — — — — —
: Setting is required
— : NO setting (function is not available)
*1 When FTC (Master) in Hydrobox is set as Slave.
*2 Set Dip SW2-6 to ON in "System 3 (2 zone)" and in "System 4 (with Boiler)" mentioned in "9.2 Pipe work."