DLY (DELUXE) SERIES HYDRONIC CASSETTE
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CONTROL SPECIFICATIONS
HOT AND CHILLED HYDRONIC CASSETTE
WITH OR WITHOUT MOTORIZED VALVE
WITH MASTER – SLAVE CONTROL
AND COMPUTER MANAGEMENT SYSTEM CONTROL
1. ABBREVIATIONS
Ts = Setting temperature
Tr = Room air temperature
Ti1 = Indoor coil temperature, ID1
Ti2 = Indoor coil temperature, ID2
MTV1 = Cool Motorized valve
MTV2= Heat Motorized valve
2.
DEFINITION OF THE INPUT/OUTPUT PORTS FOR 2/4 PIPE UNIT
I/O
2-Pipe Unit
4-Pipe Unit
Sensor RM Return
air
Return
air
Sensor
ID1
Indoor coil
Cold pipe indoor coil
Sensor
ID2
Reserved
Hot pipe indoor coil
Output X2 AC
Swing
MTV2
Output
X3
MTV1 MTV1
Output
X6
Low fan speed
Low fan speed
Output
X5
Medium fan speed
Medium fan speed
Output
X4
High fan speed
High fan speed
Output
X7
Water pump
Water pump
Output
X8
Heater AC
Swing
3.
CONTROL SYSTEM MASTER – SLAVE OPERATION
a)
MASTER AND SLAVE UNIT FUNCTION
The main PCB can be set either as a master unit or slave unit.
b) MASTER
UNIT
FUNCTION
1)
The master unit sends data on its setting to the slave unit.
2)
The master unit settings are Unit ON/OFF, Mode, Fan Speed, Set Temperature, Swing Function, and
Sleep Function for handset operation.
3)
The master unit settings are Unit ON/OFF, Mode, Fan Speed, Set Temperature, Swing Function,
Sleep Function and Weekly Timer ON/OFF program for wall pad operation
c) SLAVE UNIT FUNCTION
1)
The slave unit receives data on its settings from the master unit.
2)
The slave unit is allowed to change to a locally desired setting by local controller as long as there are
no subsequent changes to the settings from the master unit.
3)
The slave units can be set individually for timer on and off function by handset or wall pad. The
handset cannot override wall pad timer and clock setting.
4)
When unit is power on, buzzer responds as below:
With MTV: The master unit will beep 3 times, and the slave unit will beep once.
Without MTV: The master unit will beep 4 times, and the slave unit will beep twice.
d) MASTER-SLAVE
CONFIGURATION
Master unit: turn ON SW6 [DIP switch] before power on. Master will beep twice to the LCD wireless
handset or LCD wall pad confirming receipt of commands. Each master can command up to 31 slave
units. Data logger [1 up to 64] is needed to group a maximum of 1 up to 64 data logger x 32 fan coils = 64
up to 2048 units to a computer based control system.
SAKURA - Total Air Conditioning Solution
