Honeywell Q7300H - Manual (Page 16)

T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES
63-4365 16
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
USE A1 AND A2 WHEN CONTACTS ARE NORMALLY CLOSED IN OCCUPIED MODE.
USE A2 AND A3 WHEN CONTACTS ARE NORMALLY OPEN IN OCCUPIED MODE.
CONNECT GND TO EARTH GROUND.
USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS.
1
1 3
M16057
2
3
4
2
4
HEAT
RELAY 3
W2
L1
(HOT)
L2
FAN
RELAY
Y1 G
SUBBASE
X R C1 T
T7147 REMOTE COMFORT ADJUST MODULE
GND
W1 C2
COMPRESSOR
CONTACTOR 1
C4 C3 C5
CA1 T CA2 CA4 CA3 CA5
T
T
Y2
COMPRESSOR
CONTACTOR 2
TRANSFORMER
W3 E
HEAT
RELAY 2 EM. HT.
RELAY
A2 A3 A1
ECONOMIZER
AS AS
DISCHARGE
AIR
SENSOR
HEAT
RELAY 1
EB EB
LonWorks® BUS
LonWorks® BUS
Fig. 13. Typical hookup of T7300F/Q7300H in three-stage heat, two-stage cool heat pump system
(without O/B terminals).
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION INSTRUCTIONS.
USE A1 AND A2 WHEN CONTACTS ARE NORMALLY CLOSED IN OCCUPIED MODE.
CONNECT GND TO EARTH GROUND.
1
1
4
M16056
2
3
4
2
3
W1
L1
(HOT)
L2
Y1 O G
SUBBASE
X
EM. HT.
RELAY
R C1 T
T7147 REMOTE COMFORT ADJUST MODULE
GND
B C2
COMPRESSOR
CONTACTOR 1
C4 C3 C5
CA1 T CA2 CA4 CA3 CA5
T EB EB
T
TRANSFORMER
E
AUX.
HEAT
HEAT
CHANGEOVER
VALVE FAN
RELAY
COOL
CHANGEOVER
VALVE
A2 A1 AS AS
DISCHARGE
AIR
SENSOR
Y2
COMPRESSOR
CONTACTOR 2
ECONOMIZER
LonWorks®
BUS
LonWorks®
BUS
Fig. 14. Typical hookup of T7300F/Q7300H in three-stage heat, two-stage cool heat pump system (with O/B terminals).