Q7300H Series 2000 Commercial
APPLICATION
The Q7300H Thermostat Subbases are used with
T7300F Thermostats to provide electronic control of
commercial 24 Vac single or multistage heat pump or
conventional heating and cooling systems. All models
have EB terminals for L
Model
Q7300H2003
3
Q7300H2011
3
Q7300H2029
3
b
2
Q7300H2037
a
Depends on model.
b
Designed for heat applications using a valve and valve actuator (see Table 2).
IMPORTANT
The valve does not close unless correct
valve and valve actuator combination is used.
See Table 2.
Table 2. Valve and Valve Actuator Combinations.
Valve Model
V5011A,C
V5011F,G
V5011N, V5013N
V5013A,C
V5013F
Table 3. Output Relay Maximum Current (at 30 Vac).
Relay
Fan
Heat
Auxiliary (Economizer)
Cool
® U.S. Registered Trademark
Copyright © 2001 Honeywell •
®
W
network connections.
ON
ORKS
Table 1. Q7300 Subbase Description.
Maximum Stages
Heat
2
2
3
1
Valve Actuator Model
ML7984A3019
ML7984A3001
ML7984A3019
ML7984A3019
ML7984A3001
Maximum Current (in Amps)
Inrush
Running
3.5
2.0
7.5
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Thermostat Subbases
Terminals are also provided for the T7047 Remote
Sensor or the T7147 Remote Sensor and Override
Module. See Table 1. Select models are designed for
heat applications using a valve and valve actuator
combination for hydronic heating with 2-speed fan
control. See Table 4. All Q7300 Thermostat Subbases
require a common wire to the supply power.
a
Cool
Hookup Drawing
10
11
12
13
MERCURY NOTICE
If this control is replacing a control that contains
mercury in a sealed tube, do not place your old
control in the trash.
Contact your local waste management authority
for instructions regarding recycling and the
proper disposal of the old thermostat.
INSTALLATION
When Installing this Product...
1. Read these instructions carefully. Failure to follow
the instructions can damage the product or cause
a hazardous condition.
2. Check the ratings given in the instructions and on
the product to make sure the product is suitable for
your application.
3. Installer must be a trained, experienced service
technician.
4. After completing the installation, use these
instructions to check out the product operation.
®
INSTALLATION INSTRUCTIONS
Applications
Heat Pump
Conventional
®
Thermostat
Required
T7300F
62-0155-3