Table of Contents
Advertisement
2 6 | Bosch Heatronic 4000 Controls
4.5 Riello RS Lo/Hi/Lo Burner Wiring:
IDHW
Flow Proof
C.A. Proof
CH
Fuel
Call
Call
Call
Call
Switch
1
2
3
4
5
6
7
8
9 10
Meets Class B: Canadian
ICES & FCC Part 15
External Flow Proof / Off
External C.A. Proof / Off
Off / Exercise
Setback / Off
47 48
49 50
51 52
Primary Primary
Pump
Pump
+
-
P1
P2
Mod
3 Phase
Connection
N
Main Power
Supply
L
Manual Reset
High Limit
Connect all Stage 1 terminals from boiler to burner.
For Boiler 1 connect Stage 1 terminals 53 & 54 to the T1 & T2 terminals on Burner 1.
For Boiler 2 connect Stage 1 terminals 59 & 60 to the T1 & T2 terminals on Burner 2.
For Boiler 3 connect Stage 1 terminals 65 & 66 to the T1 & T2 terminals on Burner 3.
For Boiler 4 connect Stage 1 terminals 71 & 72 to the T1 & T2 terminals on Burner 4.
Connect all Stage 2 terminals from boiler to burner.
For Boiler 1 connect Stage 2 terminals 55 & 56 to the T6 & T8 terminals on Burner 1.
For Boiler 2 connect Stage 2 terminals 61 & 62 to the T6 & T8 terminals on Burner 2.
For Boiler 3 connect Stage 2 terminals 67 & 68 to the T6 & T8 terminals on Burner 3.
For Boiler 4 connect Stage 2 terminals 73 & 74 to the T6 & T8 terminals on Burner 4.
Data subject to change
20V
mA
5V
Vdc
Gnd
EMS
Out
Prim
Com
Prim
DHW
Com
Com
Sup
Ret
Flue
dc
(+)
dc
(+)
(-)
(+)
(-)
Out In Out
In
In
11
12 13
14
15
16
17
18
19
20
21
22
23 24 25
Pressure
Temperature Sensors - Do Not Apply Power
Flow Sensor
Sensor
53 54
55 56
57 58
59 60 61 62 63 64
65 66 67 68 69 70
Boiler 1
Boiler 2
Boiler 3
+
-
+
-
Stage 1 Stage 2
Mod
Stage 1 Stage 2
Mod
Stage 1 Stage 2
L1
N
L
L3
L2
Fuse
Low Water
Cut Off
Boil
Com
Boil 1
Boil 2
Com
Boil 3
Boil 4
Com
tN4
In
Out
Out
Out
Out
BACnet
Bus b
Boiler
26
27
28
29
30
31
32 33
tekmarNet Communication
Home
Heatronic 4000
4 boiler control, DHW, BACnet and Modbus
71 72 73 74
75 76
Boiler 4
Boiler 1
+
-
Mod
Stage 1 Stage 2
Pump
51 52
53 54
55
56
Boiler 1
+
Mod
-
Stage 1
Stage 2
B4
S3
R3
T1
T2
T6
T7
L4006
Operating
Control
Applications Manual
C0
tN4
C1
tN4
C2
tN4
C3
A
B
Gnd
Auxiliary
Bus 1
Bus 2
Bus 3
RS485
Boiler
Boiler
Boiler
34 35
36 37
38 39
40 41
42
tektra 1056-01
Input Power:
115 V (ac) ±10% 60 Hz, 18 VA
Primary Pump Relays:
230 V (ac) 10 A, 1/2 hp
Manual
Boiler & IDHW Pumps:
230 V (ac) 5 A, 1/3 hp
Override
Auxiliary & Alert Relays:
230 V (ac) 5 A, 1/6 hp
Boiler Stage Relays:
24 V (ac) 5 A
Calls: 24 V (ac) or Short
Signal wiring must be
Caution! Disconnect All
rated at least 300 V.
Power before Opening
Designed and
assembled in Canada
77 78
79 80
81 82
Boiler 2
Boiler 3
Boiler 4
Pump
Pump
Pump
T8
P1
P2
Y1
M
Other internal wiring of the Riello Burner
Heatronic 4000
51 52
53 54
Boi ler 1
+
-
Mod
Stage 1
Bosch Thermotechnology Corp.
Alert
43 44
45 46
83 84
85 86
IDHW
Power In
L
N
Pump
55
56
Stage 2
Advertisement
Table of Contents
