Honeywell T7200 - Page 43

43 63-4038—7
L1
(HOT)
L2
1
ML984A VALVE
ACTUATOR
R1
B3
W
T5
T6
R
Y
FC
GL
GH
RM
BM
X
A1
A2
P1
P2
CA1
CA2
CA3
CA4
CA5
T
REMOTE
SENSOR
AND
OVERRIDE
MODULE
T7147A
T
CA1
CA2
CA3
CA4
CA5
T
T
L1
(HOT)
L2
1
3K2
5K1
1K1
2K1
4K1
2K2
3K1
SUBBASE RELAY
CONTROL AND
COMMUNICATION
(INCLUDES 4K
AND 5K RELAYS)
FAN
ON
AUTO
AUTO
SYSTEM
SWITCHING
RS1
RS2
MICROPROCESSOR
CONTROL
POWER
SUPPLY
COMMUNICATION
COMMUNICATION
LINES
DAMPER
CONTROL RELAY
PUMP
INTERLOCK RELAY
LOW SPEED
FAN RELAY
HIGH SPEED
FAN RELAY
HEAT
LED
3K RELAY
1K RELAY
H
FAN
COOL
LED
2K RELAY
C
COOLING
RELAY
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
INDEPENDENT FAN TRANSFORMER OPTIONAL. IF SINGLE TRANSFORMER IS USED, JUMPER FC TO R.
FOR SINGLE SPEED FAN, JUMPER GL AND GH.
180 Ω 2W RESISTOR MUST BE INSTALLED AS SHOWN.
REFER TO T7147 INSTRUCTIONS FOR APPROPRIATE CA TERMINAL CONNECTIONS. T7047 HAS T-T TERMINALS ONLY.
M4377
1
2
3
4
5
2
3
4
5
180 Ω 2W
Q7300L
T7300
THERMOSTAT
EXISTING HVAC EQUIPMENT
Fig. 45—Q7300L for 2-stage heating with three-position ML984A actuator/V50B valve and 1-stage cooling.
T7200/T7300/Q7300
WIRING DIAGRAMS