Honeywell T7300F User Manual

Commercial Thermostat and

Q7300H Communicating Subbase

APPLICATION

The T7300F Series 2000 Commercial Thermostat and Q7300H Communicat ing Subbase control 24 Vac comme r ci al single-zone multi stage heating, ventil ating and air conditi oning (HV A C) e qui pm ent . A ddi tio nal ly, th e Q7 300 H S ubb as e all ows remote access and the sharing of clock, schedule, setpoints, bypass and other system parameters with other devices in a

ONWORKS

network.

T7300F Series 2000

SPECIFICATION DATA

FEATURES

T7300F

• For use with multistage conventional or heat pump applications.

• Proportional plus Integral (P+I) control eliminates temperature fluctuations.

• Intelligent Recovery equipment start times based on building load.

• Intelligent Fan the Occupied periods. Fan can also be configured for conventional heat or electric heat fan operation.

• 7-day programmable with four periods per day.

• Configurable reversing valve operation.

• Selectable automatic or manual changeover.

• Remote sensor capability.

• Keypad lockout available.

• Auxiliary contacts can interface with C7400/W7459 Economizer System for total rooftop control integration.

Q7300H

• Provides networking capability on a LONWORKS Bus using a Fr ee Topology Transceiver (FTT).

• Conforms to L

• Dial-in capability allows rem ote monitoring and control of key variables such as time, schedule, setpoints, mode, fan status.

• Communicates schedule information to other network devices.

• Selects fan operation and system mode using a remote T7300F Thermostat.

• Shares information such as time-of-day, temporary setpoint and occupancy status with multiple T7300 or Excel 10 controllers.

• Installer setup may be done locally from the T7300 keypad or from a local or remote personal computer.

• Fully integrated with Honeywell's light commercial building solutions to provide enhanced alarming, trending, scheduling and dial-out capabilities.

control automatically optimizes

feature energizes fan continuously in

ONMARK

thermostat functional profile.

63-1281-1

T7300F SERIES 2000 COMMERCIAL THERMOSTAT AND Q7300H COMMUNICATING SUBBASE

SPECIFICATIONS

Models Available:

Q7300H Subbase:

The Q7300H Series 2000 Communicating Subbase includes terminals for connec tio n to the L jack for quick access by personal computer based tools. Additionally, a communications service-pin pushbutton is provided to simplify startup.

Q7300H2003 Communi cat ing Subbas e, with O and B

terminals, provid es 3-st age he ating a nd 2-s tage co oling 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 corres pon ding LCD display and a flip-down keypad cover. The T7300F Thermostat mounts on the Q7300H Subbase.

T7300F2002 Series 2000 Commercial Electronic

Thermostat without syste m and fan switching.

T7300F2028 Series 2000 Commercial Electronic

Thermostat with system and fan swi tc hin g.

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.

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

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.

Control Occupied Unoccupied

Heating 70°F (21°C) 55°F (13°C) Cooling 78°F (26°C) 90°F (32°C)

ONWORKS

Bus and a network

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.

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

Humidity Ratings: Auxiliary Heat and Emergency Heat Indication:

Thermostat display indicates when Auxiliary Heat or

Emergency Heat is activated.

Clock Accuracy: Loss of Power:

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): 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 Mod ul e. C7046C Discharge Air Sensor. C7150B Discharge Air Sensor.

Dimensions:

ONMARK

Q7300H supports the LONM

Functional Profile:

Thermostat Object (Type 09). See Fig. 2.

5% to 90% RH, noncondensing.

±1 minute per month.

Thermostat maintains programmed times

Taupe.

See Fig. 1.

ARK

Functional Profile No. 8060,

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