Honeywell Q7300L - Manual
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Table of Contents:
- Page 2 – Location
- Page 3 – Mounting Subbase
- Page 4 – WIRING SUBBASE; CAUTION
- Page 5 – Typical Wiring Hookups
- Page 6 – Mounting Thermostat on Subbase
- Page 7 – OPERATION; Remote Temperature Sensing and Override
X-XX UL
INSTALLATION INSTRUCTIONS
® U.S. Registered Trademark
Copyright © 1996 Honeywell Inc. • • All Rights Reserved
Q7300L
Series 2000 Commercial
Thermostat Subbases
APPLICATION
The Q7300L Thermostat Subbase is used with the
T7300D,F Thermostat to provide electronic control of
commercial 24 Vac single zone HVAC equipment. The
T7300/Q7300L is designed for heat-cool applications using
a valve and valve actuator combination for hydronic
heating. See Table 1. It can also be used to control single-
stage conventional heating systems. It provides two-speed
fan control. Terminals are provided for the T7047 Remote
Sensor or the T7147 Remote Sensor and Override
Module. LEDs on the thermostat are prewired and labeled
to indicate heat and cool operation. See Fig. 9 and 10 for
hookup drawings. Refer to form 63-4355 for installation
and operation of the T7300/Q7300.
Table 1. Valve and Valve Actuator Combinations.
IMPORTANT
The valve will not close if the wrong valve and
valve actuator combination is used.
Electrical Rating:
20 to 30 Vac, 50/60 Hz.
System Current :
6 VA maximum at 30 Vac, 50 or 60 Hz.
Output Relay Current:
See Table 2.
Table 2. Maximum Amps at 30 Vac.
Temperature:
Ratings:
Operating Ambient: 40
°
F to 110
°
F (4
°
C to 43
°
C).
Shipping: -30
°
F to +150
°
F (-34
°
C to +65
°
C).
Display Accuracy:
+1
°
F (+0.5
°
C).
Setpoint:
Range: 45
°
F to 95
°
F (7
°
C to 35
°
C).
Differential: 2
°
F (1
°
C).
Humidity Ratings:
5% to 90% RH, noncondensing.
RECYCLING NOTICE
If this control is replacing a control that contains
mercury in a sealed tube, do n
ot
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 installation, use these instructions
to check out the product operation.
Valve Model
Valve Actuator Model
V5011A, C
ML7984A3019
V5011F, G
ML7984A3001
V5013A, C
ML7984A3019
V5013F
ML7984A3001
Relay
Running (A)
Inrush (A)
Fan
1.6
3.5
Heat
1.6
3.5
Cool
1.6
7.5
Auxillary (Economizer)
1.6
3.5
62-0131-2
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Summary
62-0131—2 2 Q7300L SERIES 2000 COMMERCIAL THERMOSTAT SUBBASE Location Subbase without Remote-MountedTemperature Sensor Install the thermostat about 5 ft (1.5m) above the floor inan area with good air circulation at average temperature.See Fig. 1. Do not install the thermostat where it can be affecte...
62-0131—2 3 Q7300L SERIES 2000 COMMERCIAL THERMOSTAT SUBBASE M4839 T T SUBBASE T T T7047C T T T7047C T T T7047G M4842 T T T T SUBBASE T7047C T T T7047C T T T7047C T T T7047C T T T7047C T T T7047C T T T7047C T T T7047C T T T7047C M4841 T T SUBBASE T T T7047G T T T7047G T T T7047G T T T7047G T T T7047...
62-0131—2 4 Q7300L SERIES 2000 COMMERCIAL THERMOSTAT SUBBASE WIRING SUBBASE All wiring must comply with local electrical codes and ordinances. Follow equipment manufacturer wiring instructions whenavailable. Refer to Fig. 9 and 10 for typical hookups. A letter code is located near each terminal for ...
