Wiring Diagrams

HPZ AND HSR HYDRONIC PANEL WIRING DIAGRAMS
9 33-00476—01
Fig. 8. 3-Wire, Power-open/Power-closed (series 20) valves used with HPZC panels.
R
C
W
R
C
W
R
C
W
R
C
W
Zone 1
Priority
Zone 2
Zone 3
Zone 4
24 VAC Thermostats
HPZC104
Four Zone
Zone Valve Controller
Priority
Zone 1
Zone 2
Zone 3 Zone 4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
Boiler
TT
End
Switch
TT
On/Off
Priority
End
Switch
On/ Off
Priority
Zone
Zone
Power
Boiler
End Switch
T-stat Call
Valve Open
DHW
Priority
12
34
Pump End
Switch
Zone 1 Pump
End Switch
X
XN/O
COM
N/C
N
H
Input
120VAC
24 VAC Zone Valves
40 VA
TRANSFORMER
THIS DIAGRAM SHOWS THE WIRING ON ZONE 2 BECAUSE IN SOME CASES ZONE 1 IS CONTROLLING DHW. ALL ZONES CONTROLLED BY THERMOSTATS
ARE WIRED THE SAME AS ZONE 2 (SHOWN).
THIS DIAGRAM IS SPECIFIC TO THE
SERIES 20 ZONE VALVE WIRING ON THE HPZC PANELS. WIRING OF THE PUMPS,
DHW ZONE (IF USED), AS WELL AS DIPSWITCH SETTINGS VARY BY SYSTEM. SEE THE OTHER DIAGRAMS IN THIS FILE OR THE LITERATURE THAT COMES
WITH THE HYDRONIC PANEL FOR WIRING OF THE REST OF THE SYSTEM.
VALVE WIRING (AS SHOWN IN DIAGRAM)
• R FROM ZONE CONNECTION AT TOP OF HPZ PANEL TO 5 AT VALVE
• Y FROM THERMOSTAT TO 6 ON VALVE
• 1 FROM ZONE CONNECTION AT BOTTOM OF HPZ PANEL TO 1 ON VALVE
• 2 FROM ZONE CONNECTION AT BOTTOM OF HPZ PANEL TO 4 ON VALVE
• 3 FROM BOTTOM OF HPZ TO 3 ON VALVE
3
5
4
THERE ARE MANY HONEYWELL HOME THERMOSTATS THAT SUPPORT SERIES 20,
POWER-OPEN/POWER-CLOSED ZONE VALVES. SOME SELECT MODELS LISTED BELOW.
WI-FI PROGRAMMABLE
TH8321WF1001 TH8110R1008
TH6320WF2003 TH6320U2008
TH6220WF2006 TH6220U2000
TH6210U2001
TH4210U2002
TH4110U2005
NON-PROGRAMMABLE
TH1110D2009 (THE TH1010 MODEL OF T1 DOES NOT SUPPORT THIS)
COMMON IS OPTIONAL ON NON-WI-FI MODELS.
1
2
3
3
3
4
3
3 3
4
4
5
6
1
2
3
THERMOSTAT
W
C
Rc
R
Y
WHITE ROGERS 3-WIRE ZONE VALVE
2
1
MCR37973
3
5