Honeywell TH8320R1003 Installation Manual page 123

TRANSFORMER
120 24
VAC VAC
R IS JUMPERED TO RH.
1
THE BOILER CONTROLS THE CIRCULATOR PUMP IN THIS SYSTEM.
2
Fig. 317. 2-Wire Zone Valve with end switch.
TRANSFORMER
120 24
VAC VAC
R IS JUMPERED TO RH.
1
Fig. 318. Series 20 hot water heat.
TRANSFORMER
120 24
VAC VAC
REMOVE THE JUMPER FROM RH TO RC WHEN USED WITH
1
AQ2000 SERIES PANEL.
Fig. 319. AQ2000 series panels or other hot water relay
panels.
ZONE VALVE BOILER
T
TR
T
TH
2
1
R
C
W W2 W3 Y Y2 G A
THERMOSTAT/EIM
M31477
SERIES 20 VALVE
C
R(5) B(4) W(6)
1
R
C
W W2 W3 Y Y2 G A
THERMOSTAT/EIM
M34524
HOT WATER RELAY PANEL
ZONE 1
RH W
1
R
C
RC RH W W2 W3 Y2 G
THERMOSTAT/EIM
M31479
THERMOSTAT/EIM
TO THERMOSTAT
HEAT PUMP
O/B
AUX1
AUX2
2
L/A
THE BOILER IS CONTROLLING THE CIRCULATOR PUMP IN THIS DIAGRAM
1
Y2 USED WITH HEAT-PUMPS THAT HAVE 2 COMPRESSOR STAGES.
2
Fig. 320. Heat pump with oil forced air backup.
123
®
VISIONPRO 8000 WITH REDLINK™
HEAT PUMP
O
Y
Y2
RELAY
G
3
R
C
1
OIL FURNACE
T
1
T
M31480
68-0312—03