H B X Z O N - 0 5 5 0 Z o n e C o n t r o l
V e r s i o n 2 . 0 2
Page 24
3) 2 Paired ZON-0550 Controls with THM-0300/THM-0500 and Zone Pumps and Valves
Notes:
This is not an engineered drawing and does not necessarily include all the components for an entire system. It is intended
as a representative sample of how the control may be wired for a sample application. It is the responsibility of the installer
to seek professional advice and/or install the the system to meet all necessary codes for the jurisdiction of the actual
installation.
HBX
Control Systems Inc.
Title
ZON-0550 WITH ZONE PUMPS AND VALVES
Zone
Valves
2
3
4
1
C
R
L
N
120 V AC
24 V AC
System
Pump
To HT or HD
To LT or CD
Zone 1
Zone 2
Zone 3
Zone 4
THM-0500
3
COMM
6
5
3
TH
2
TH
4
3
2
Thermostat
1
2
1
1
DO NOT
CONNECT
POWER
HERE
INT. ROOM
EXT. ROOM
HBX
TH TH
THM-0300
3
COMM
6
5
3
TH
2
TH
4
3
2
Thermostat
1
2
1
1
DO NOT
CONNECT
POWER
HERE
INT. ROOM
EXT. ROOM
HBX
TH TH
THM-0500
3
COMM
6
5
3
TH
2
TH
4
3
2
Thermostat
1
2
1
1
DO NOT
CONNECT
POWER
HERE
INT. ROOM
EXT. ROOM
HBX
TH TH
THM-0300
3
COMM
6
5
3
TH
2
TH
4
3
2
Thermostat
1
2
1
1
DO NOT
CONNECT
POWER
HERE
INT. ROOM
EXT. ROOM
HBX
TH TH
DO NOT CONNECT
POWER HERE
ZON-0550
Zone Control
5A
5A
5A
5A
5A
1
PUMP
1 2
1
H
ZN 1
3 4
N
H
5 6
N
ZN 2
H
7 8
N
ZN 3
H
9 10
N
ZN 4
H
11 12
N
ZONE
POWER
GR
POWER
120
15
N
L
14
13
1
4
3
1
LT/CD
2
6
5
2
HT/HD
5
THM 1
8
7
6
5
THM 2
10
9
6
5
THM 3
12
11
6
5
THM 4
14
13
6
1
2
1
1
R
W
2
Y
G
16
15
2
Fancoil
Outputs
Demand
Outputs
Thermostat
Communication
Fancoil
Outputs
HBX
X
17
2
Fancoil 1
R
W
Y
G
C
C
X
Humidity Device
Zone
Pumps
Zone 5
Zone 6
Zone 7
Zone 8
5
6
7
8
THM-0500
3
COMM
6
5
3
TH
2
TH
4
3
2
Thermostat
1
2
1
1
DO NOT
CONNECT
POWER
HERE
INT. ROOM
EXT. ROOM
HBX
TH TH
THM-0300
3
COMM
6
5
3
TH
2
TH
4
3
2
Thermostat
1
2
1
1
DO NOT
CONNECT
POWER
HERE
INT. ROOM
EXT. ROOM
HBX
TH TH
THM-0500
3
COMM
6
5
3
TH
2
TH
4
3
2
Thermostat
1
2
1
1
DO NOT
CONNECT
POWER
HERE
INT. ROOM
EXT. ROOM
HBX
TH TH
THM-0300
3
COMM
6
5
3
TH
2
TH
4
3
2
Thermostat
1
2
1
1
DO NOT
CONNECT
POWER
HERE
INT. ROOM
EXT. ROOM
HBX
TH TH
DO NOT CONNECT
POWER HERE
ZON-0550
Zone Control
5A
5A
5A
5A
5A
1
PUMP
1 2
1
H
ZN 1
3 4
N
H
5 6
N
ZN 2
H
7 8
N
ZN 3
H
9 10
N
ZN 4
H
11 12
N
ZONE
POWER
GR
POWER
120
15
N
L
14
13
1
4
3
1
LT/CD
2
6
5
2
HT/HD
5
THM 1
8
7
6
5
THM 2
10
9
6
5
THM 3
12
11
6
5
THM 4
14
13
6
1
2
1
1
R
W
2
Y
G
16
15
2
Fancoil
Outputs
Demand
Outputs
Thermostat
Communication
Fancoil
Outputs
HBX
X
17
2
Fancoil 2
R
W
Y
G
C
For each zone control, demands are individually given to the
control device. If multiple zone controls are giving demands to the
same control device, the demands must be wired in parallel.
HT
High Temperature Demand
lT
Low Temperature Demand
HD
Heat Demand (Geothermal System)
CD
Cold Demand (Geothermal System)
legend
noTe:
Wiring input terminals for
the THM-0300 and THM-0500
are the same.
