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T7300F SERIES 2000 COMMERCIAL THERMOSTAT AND Q7300H COMMUNICATING SUBBASE
63-1281—12
SPECIFICATIONS
Models Available:
Q7300H Subbase:
The Q7300H Series 2000 Communicating Subbase includes
terminals for connection to the L
ON
W
ORKS
Bus and a network
jack for quick access by personal computer based tools.
Additionally, a communications service-pin pushbutton is
provided to simplify startup.
Q7300H2003 Communicating Subbase, with O and B
terminals, provides 3-stage heating and 2-stage cooling
control for heat pump systems.
Q7300H2011 Communicating Subbase, without O and B
terminals, provide 3-stage heating and 2-stage cooling
control for heat pump systems.
Q7300H2029 Communicating Subbase with 3-stage
heating and 3-stage cooling control for conventional
systems.
Q7300H2037 Communicating Subbase with 2-stage
heating and 1-stage cooling control for conventional
systems.
T7300F Thermostat:
T7300F Series 2000 Commercial Thermostat has a keypad
for setting system parameters, a corresponding LCD display
and a flip-down keypad cover. The T7300F Thermostat
mounts on the Q7300H Subbase.
T7300F2002 Series 2000 Commercial Electronic
Thermostat without system and fan switching.
T7300F2028 Series 2000 Commercial Electronic
Thermostat with system and fan switching.
Electrical Ratings:
Power: 20 to 30 Vac, 50/60 Hz.
System Current Draw: 6 VA maximum at 30 Vac, 50/60 Hz.
Output Relay Draw: See Table 1.
Table 1. Maximum Amperes at 30 Vac.
Temperature Ratings:
Operating: 40°F to 110°F (4°C to 43°C).
Shipping: -20°F to +130°F (-29°C to +54°C).
Display Accuracy: ±1°F (±0.5°C).
Setpoint:
Heating: 40°F to 90°F (4°C to 32°C).
Cooling: 45°F to 90°F (7°C to 32°C).
Deadband: 2°F (1°C); adjustable 2°F to 10°F (1°C to 6°C).
Default Settings: See Table 2.
Table 2. Default Setpoints.
Remote Sensor Wiring Temperature Offset:
Occurs with every 500 ft (157m) to 1000 ft (305m) of 2-wire
cable. See Table 3.
Table 3. Temperature Offset.
Humidity Ratings:
5% to 90% RH, noncondensing.
Auxiliary Heat and Emergency Heat Indication:
Thermostat display indicates when Auxiliary Heat or
Emergency Heat is activated.
Clock Accuracy:
±1 minute per month.
Loss of Power:
Thermostat maintains programmed times
and temperatures for product life. Clock and day
information is retained for two hours.
Minimum Stage Operation Time:
Minimum On (Heat and Cool): Factory setting 2 minutes;
adjustable 0 to 2 minutes.
Minimum Off (Compressor): Factory setting 4 minutes;
adjustable 0 to 5 minutes.
Minimum Off (Heat): Factory setting 4 minutes;
adjustable 0 to 4 minutes.
Mounting:
T7300F Thermostat mounts on a Q7300H Subbase.
Q7300H Subbase mounts horizontally on a wall or outlet box
with two no. 6 x 32 screws and anchors (included).
Finish (color):
Taupe.
Accessories:
C7400 Enthalpy Sensor.
R8222 Switching Relay.
T675A Temperature Control.
T7022A1010 Remote Temperature Sensor.
T7047C Remote Temperature Sensor.
T7047G Remote Temperature Sensor.
T7147A Remote Temperature Sensor and Override Module.
W859F Packaged Economizer.
W950A System Supervisor.
W7459 Economizer Logic Module.
C7046C Discharge Air Sensor.
C7150B Discharge Air Sensor.
Dimensions:
See Fig. 1.
L
ON
M
ARK
Functional Profile:
Q7300H supports the L
ON
M
ARK
Functional Profile No. 8060,
Thermostat Object (Type 09). See Fig. 2.
Relay Running Inrush
Fan 0.5A 2.5A
Heat (all stages) 1.5A 3.5A
Cool (all stages) 1.5A 7.5A
Auxiliary (Economizer) 1.5A 3.5A
Control Occupied Unoccupied
Heating 70°F (21°C) 55°F (13°C)
Cooling 78°F (26°C) 90°F (32°C)
Temperature Range 18 AWG 20 AWG 22 AWG
50 to 90°F-0.4°F-0.7°F-1.0°F
10 to 32°C-0.3°C-0.4°C-0.6°C