Filter
Top Products
THX9321 PRESTIGE
®
2.0 AND THX9421 PRESTIGE
®
IAQ 2.0 WITH EIM
68-0311—01 112
Fig. 224. Hot water radiant heat with backup forced air heat. Zoned with forced air zone panel and zone valves.
TRANSFORMER
24
VAC
120
VAC
M31484
ZONE VALVE
TR
TH
END
SWITCH
C
R
W
W2
W3
W
Y
G
R
C
HZ311, HZ322, OR HZ432 ZONE PANELS COULD BE USED TO
CONTROL A FORCED AIR FURNACE ZONED WITH DAMPERS.
THE BOILER IS CONTROLLING THE CIRCULATOR PUMP
IN THIS DIAGRAM.
L
TO THERMOSTAT
THERMOSTAT/EIM
CONV
ZONE 1
1
2
1
2
BOILER
T
T
RELAY
3
1