Danfoss DHP-R 7UA HPC EM Panduan Petunjuk Instalasi - Halaman 13

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Halaman Cetak
Connecting
⚠
⚠ ⚠
Note! The maximum load may not exceed 50 VA.
Cooling module
The cooling module is mounted in the electric cabinet on the intended rail . If there is no room, the module can be installed
in an external, enclosed cabinet and connected with a longer modular cable.
⚠
• Connect a modular cable between HP CRM Exp.out and HPC CM Exp.in
24 VAC 2.1
24 VAC 2.2
Alternative connection with
constant
2-point 24 VAC reversing valve.
Cooling module connections:
Temperature input, T1: Sensor, cooling tank
Temperature input, T2: Sensor, coolant cooler
Temperature input, T3: Sensor, cooling tank outlet
Temperature input, T4: Sensor, cooling circuit
Analogue input 0-10 V, AI1: Signal from dew point sensor, room temperature 0 - 50°C
Analogue input 0-10 V, AI2: Signal from dew point sensor, relative humidity 0-100%
Analogue output 0-10 V, AO1: Signal to cooling circuit pilot valve
Analogue output 0-10 V, AO2: Signal to cooling fans
Relay 24 VAC, DO1: Signal to reversing valve against cooling tank (passive cold)
Dew point sensor
Relative air humidity
Room temperature
Sensor, cooling circuit
Sensor, cooling tank outlet
Sensor, surplus cooler
Sensor, cooling tank
From Exp.out
Exp.in
HPC CM
24 VAC 2.1
24 VAC 2.2
DO1,2,4
24 VAC
voltage
feed
for
cooling tank
24 VAC 2.1
24 VAC 2.2
Exp.out
24 VAC
M
Reversing valve,
Circ . pump,
cooling agent return
coolant cooler
VMILF102
Pilot valve,
alternative connection
of cooling circuit
Pilot valve,
cooling circuit
G
G
Y
GND
0
1
0-10V
0-10V
24 VAC
24 VAC
Reversing valve,
Circ . pump,
surplus heat
coolant circuit
G G
Y
0
1
Cooling fans
Y
GND
1
24 VAC
M
Danfoss – 13