H B X C P U - 0 6 0 0 C o n t r o l
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CPU-0600 3 ON/OFF BOILERS WITH DHW AND INJECTION PUMP
Stage 2
L
N
120 V AC
Heat Demand
to CPU-0600
DHW Demand
to CPU-0600
Use Aquastat
when no
thermistor in
tank
Boiler
DHW
Outdoor
Stage 1
System Pump
Injection
Pump
DO NOT CONNECT
POWER HERE
GR
POWER
120
17
N
L
16
15
5A
1
Aux 1
9 10
1
2
Aux 2
11 12
2
5A
HBX
ECO-0600
GEOTHERMAL CONTROL
1
8
7
2
HD
3
10
9
4
CD
Demand
Inputs
1
12
11
2
13
Sensor
Inputs
3
15
14
4
16
Sensor
Inputs
1
MOD 1
2
1
1
2
4
3
2
3
6
5
3
Mod Staging
Output
MOD 2
MOD 3
4
STG 4
7 8
4
3
5 6
3
2
3 4
2
1
1 2
1
Staging Output
STG 3
STG 2
STG 1
5A
3
Rev
Valve
13 14
3
ECO-0600
Input Power
(DO NOT CONNECT HERE)
DO NOT CONNECT
POWER HERE
GR
POWER
120
17
N
L
16
15
5A
1
Aux 1
9 10
1
2
Aux 2
11 12
2
5A
HBX
ECO-0600
GEOTHERMAL CONTROL
1
8
7
2
HD
3
10
9
4
CD
Demand
Inputs
1
12
11
2
13
Sensor
Inputs
3
15
14
4
16
Sensor
Inputs
1
MOD 1
2
1
1
2
4
3
2
3
6
5
3
Mod Staging
Output
MOD 2
MOD 3
4
STG 4
7 8
4
3
5 6
3
2
3 4
2
1
1 2
1
Staging Output
STG 3
STG 2
STG 1
5A
3
Rev
Valve
13 14
3
ECO-0600
Input Power
(DO NOT CONNECT HERE)
Class 2 Circuits
Class 2 Circuits
Supply
Stage 3
DHW
Pump
DO NOT CONNECT
POWER HERE
GR
POWER
120
17
N
L
16
15
5A
1
Pump 1
9 10
1
2
Pump 2
11 12
2
5A
HBX
CPU-0600
Central Processing Unit
0
8
7
I
HD
0
10
9
I
Demand
Inputs
1
12
11
2
13
Sensor
Inputs
3
15
14
4
16
Sensor
Inputs
2
1
1
4
3
2
6
5
3
Mod Staging
Ouput
4
STG 4
7 8
4
3
5 6
3
2
3 4
2
1
1 2
1
Staging Output
STG 3
STG 2
STG 1
5A
3
Pump 3
13 14
3
CPU-0600
Input Power
DHW
Class 2 Circuits
Class 2 Circuits