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4 - INSTALLATION
Legend
Figure
Input/output description
4-1
"Water Heater Temperature" sensor
1
(47) (NTC 10kohm B3435)
Zone 1 sensor
2
(NTC 10kohm B3435)
Zone 2 sensor
3
(NTC 10kohm B3435)
DHW tank sensor
4
(NTC 10kohm B3435)
Outdoor sensor
5
(NTC 10kohm B3435)
6
Solar panel sensor (Pt1000)
DHW return sensor
7
(NTC 10kohm B3435)
8
0-10V Mod1 (0-10V for module 1)
9
0-10V Mod2 (0-10V for module 2)
10
0-10V Mod3 (0-10V for module 3)
11
0-10V Mod4 (0-10V for module 4)
12
Circuit 1 RT
13
Circuit 2 RT
14
DHW Enable/Disable
15
Hot water tank thermostat
16
MODBUS (RS485)
17
KNX
Electrical power supply
18
(24VAC/24VDC)
19
Tank pump / DHW side diverter
20
Heating side diverter
21
DHW return pump
22
Zone 1 pump
23
Zone 2 pump
3 way valve Zone 1 open
24
3 way valve Zone 1 close
3 way valve Zone 2 open
25
3 way valve Zone 2 close
26
Solar pump
27
Alarm
Ethernet (connection to PC or
28
Internet) (RJ45 connector)
Remote control POL895 (RJ45
29
connector)
ATTENTION !!! The terminals marked with (1), being subjected to very low safety voltage (24Vdc), must flow
in conduits other than 230Vac power supplies.
Figure 4-2 - Table of correspondence to the terminals of the TutorBit
COSMOGAS
Corresponding
Characteristics of the cables to be used and
terminals on
maximum electrical absorption
controller POL687
B1; M
(1) Ø 1,5 mm
B2; M
(1) Ø 1,5 mm
B3; M
(1) Ø 1,5 mm
X1; M
(1) Ø 1,5 mm
X2; M
(1) Ø 1,5 mm
X3; M
(1) Ø 1,5 mm
X4;M
(1) Ø 1,5 mm
X5;M
(1) Ø 1,5 mm
X6;M
(1) Ø 1,5 mm
X7;M
(1) Ø 1,5 mm
X8;M
(1) Ø 1,5 mm
D1; M
(1) Ø 1,5 mm
D2; M
(1) Ø 1,5 mm
DU1; DG
(1) Ø 1,5 mm
DU2; DG
(1) Ø 1,5 mm
A+; B-; Ref
(1) Ø 1,5 mm
CE+; CE -
(1) Ø 1,5 mm
24V; G0
(1) Ø 2,5 mm
Q11; Q14
Ø 2,5 mm
Q11; Q12
Ø 2,5 mm
Q21; Q24
Ø 2,5 mm
Q33; Q34
Ø 2,5 mm
Q43; Q44
Ø 2,5 mm
Q53; Q54
Ø 2,5 mm
Q53; Q64
Ø 2,5 mm
Q73; Q74
Ø 2,5 mm
Q73; Q84
Ø 2,5 mm
C; D01 (Triac output) Ø 1,5 mm
C; D02 (Triac output) Ø 1,5 mm
T-IP
/
T-HI
Ø 1,5 mm
9
/ 20 m Max o 100 m shielded cable;
2
/ 20 m Max o 100 m shielded cable;
2
/ 20 m Max o 100 m shielded cable;
2
/ 20 m Max o 100 m shielded cable;
2
/ 20 m Max o 100 m shielded cable;
2
/ 20 m Max o 100 m shielded cable;
2
/ 20 m Max o 100 m shielded cable;
2
/ 20 m Max o 100 m shielded cable;
2
/ 20 m Max o 100 m shielded cable;
2
/ 20 m Max o 100 m shielded cable;
2
/ 20 m Max o 100 m shielded cable;
2
/ 20 m Max o 100 m shielded cable;
2
/ 20 m Max o 100 m shielded cable;
2
/ 20 m Max o 100 m shielded cable;
2
/ 20 m Max o 100 m shielded cable;
2
/ 20 m Max o 100 m shielded cable;
2
/ 20 m Max o 100 m shielded cable;
2
/ 50 m Max / 3A Max;
2
/ 50 m Max / 3A Max;
2
/ 50 m Max / 3A Max;
2
/ 50 m Max / 3A Max;
2
/ 50 m Max / 3A Max;
2
/ 50 m Max / 3A Max;
2
/ 50 m Max / 3A Max;
2
/ 50 m Max / 3A Max;
2
/ 50 m Max / 3A Max;
2
/ 50 m Max / 3A Max;
2
/ 500mA Max / 50 m Max;
2
/ 500mA Max / 50 m Max;
2
/ 30 m Max;
2
TUTORBIT
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