Honeywell PRESTIGE THX9321 - Manual (Page 146)

THX9321 PRESTIGE ® 2.0 AND THX9421 PRESTIGE ® IAQ WITH EIM
68-0311—02 146
Fig. 335. Hot water radiant heat with backup forced air heat. Zoned with forced air zone panel and zone valves.
TRANSFORMER
24
VAC
120
VAC
M34526
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