Daikin VRV Service Manual

Control of Indoor Unit Si30-408
30 Basic Information
4.2 Drain Pump Control
4.2.1 Drain Pump Control
(1) When the float switch is actuated during the cooling thermostat ON.
*1: The purpose of residual operation is to completely drain any moisture adhering to the fin of the indoor heat
exchanger during the thermostat off.
(2) When the float switch is actuated during thermostat OFF:
*2: When operation stopped, no malfunction will be displayed, however, when operation started next time, it will be
displayed.
Thermostat (Operation)
Float switch
Drain pump
5 min.
*1 Residual operation
5 min.
5 sec.
ON
OFF
ON
OFF
ON
OFF
Malfunction stop with "A3"
on remote controller
Thermostat (Operation)
Float switch
Drain pump
5 min.
5 sec.
ON
OFF
ON
OFF
ON
OFF
Malfunction stop with "A3" on remote controller*2
Enters malfunction treatment if the float switch
does not return within 5 minutes.
5 min. 5 min. 5 min. 5 min. 5 min. 5 min. 5 min.
1st time 2nd time 3rd time 4th time 5th time
5 sec.
ON
OFF
ON
OFF
ON
OFF
Malfunction stop with "A3"
on remote controller*2
"AF" display on remote controller *2
(unit can be operated)
Enters malfunction
treatment if the float
switch does not return
within 5 minutes.
Thermostat (Operation)
Float switch
Drain pump

Daikin VRV Specifications

General

Brand	Daikin
Energy Efficiency	High
Control	Centralized and individual zone control
Inverter Technology	Yes
Type	Variable Refrigerant Volume (VRV)
Cooling Capacity	Varies by model
Heating Capacity	Varies by model
Refrigerant	R-32 or R-410A
Application	Commercial buildings, large residential spaces
SEER	Varies by model
HSPF	Varies by model
EER	Varies by model
COP	Varies by model
Sound Level	Varies by model
Indoor Unit Options	wall-mounted, ducted