Operating instructions

66
730.138 | 08.12
EN
13 Technical data
Temperature difference controller
Rated voltage
(system voltage)
230 VAC, 50 Hz
[optional 115 VAC, 60 Hz]
Max. own consumption ≤ 4 W
Inputs 5
T1 - T4: temperature recording (Pt1000)
T5: temperature recording (Pt1000) or pulse recording
Additional inputs 1 x Direct Sensor input (flow rate and temperature)
Outputs 2
R1: TRIAC output for RPM control,
max. switching current 1.1 A AC
R2: relay switched output, max. switching current 3.47 AAC
Additional outputs 1 x alarm output (), potential-free contact for SELV max. 42 V,
max. 2 A
Number of pre-defined hydraulic
schemes
14
Interfaces RS232 and RS485
Ingress protection IP 20/DIN 40050
Protection class I
Permitted ambient temperature 0 to +45 °C
Display Animated graphic LCD with backlighting
Dimensions L x W x H [mm] 170 x 170 x 46
Software class A
Type of action Type 1B
Type of fastening for permanently con-
nected cables
Type X
Intended transport condition No information
Degree of pollution 2
Ball pressure test temperature 850 °C
overvoltage category Class II (2500 V)
13.1 Performance data
Output Power Fuse
R1 250 W (230 VAC)/125 W (115 VAC) Internal fuse: 1.6 A T, 250 V or
T 1.6 A H 250 V (Littelfuse: 21501.6)
R2 800 W (230 VAC)/400 W (115 VAC) Internal fuse: 4 A T, 250 V or
T 4 A H 250 V (Littelfuse: 215004)
DANGER
Risk of death by electrocution!
Fuses may only be changed after disconnection from the power supply,
and by trained professional personnel!