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Honeywell TRADELINE Q7300H Series Installation Instructions Manual

2000 commercial thermostat subbases
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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
• All Rights Reserved
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

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  Summary of Contents for Honeywell TRADELINE Q7300H Series

  • Page 1 3. Installer must be a trained, experienced service Auxiliary (Economizer) technician. Cool 4. After completing the installation, use these instructions to check out the product operation. ® ® ® U.S. Registered Trademark 62-0155-3 Copyright © 2001 Honeywell • • All Rights Reserved...
  • Page 2 Q7300H SERIES 2000 COMMERCIAL THERMOSTAT SUBBASES Location Subbase Without Remote-Mounted Temperature Sensor Install the thermostat about 5 ft (1.5m) above the floor in an area with good air circulation at average temperature. 5 FEET See Fig. 1. (1.5 METERS) Do not install the thermostat where it can be affected by: —...
  • Page 3 Q7300H SERIES 2000 COMMERCIAL THERMOSTAT SUBBASES SUBBASE SUBBASE T7047C T7047C T7047C T7047C T7047C T7047C T7047C T7047C T7047C T7047C T7047C T7047C T7047C M4840 Fig. 4. Four T7047C Sensors providing temperature averaging network for T7300/Q7300 Thermostat/Subbase. SUBBASE M4842 Fig. 6. Nine T7047C Sensors providing temperature averaging network for T7047G T7047G...
  • Page 4 Q7300H SERIES 2000 COMMERCIAL THERMOSTAT SUBBASES Wire Subbase NOTE: After wiring, check that all connections are tight and secure. See Fig. 8. Loose or intermittent wire connections can cause CAUTION inconsistent system operation. Electrical Shock Hazard. Power supply can cause electrical shock. Typical Wiring Hookups Disconnect power supply before beginning Refer to Fig.
  • Page 5 Q7300H SERIES 2000 COMMERCIAL THERMOSTAT SUBBASES Table 4. Terminal Descriptions and Conditions. Standard Terminal Designations Typical Connection Function Terminal Type A1, A3 Damper control relay. See T7300F Installation Instructions, form 69-1025, Installer Output Dry Contact Setup 18, for control parameters Dry auxiliary contact.
  • Page 6 Q7300H SERIES 2000 COMMERCIAL THERMOSTAT SUBBASES SUBBASE EB EB A2 A3 EM. HT. HEAT COMPRESSOR ECONOMIZER RELAY RELAY 2 CONTACTOR 1 DISCHARGE LonWorks ® BUS SENSOR T7147 REMOTE COMFORT ADJUST MODULE LonWorks ® BUS HEAT RELAY RELAY 3 COMPRESSOR HEAT CONTACTOR 2 RELAY 1 (HOT)
  • Page 7 Q7300H SERIES 2000 COMMERCIAL THERMOSTAT SUBBASES SUBBASE EB EB HIGH DAMPER ML7984 SPEED CONTROL VALVE DISCHARGE LonWorks ® BUS RELAY ACTUATOR RELAY SENSOR CA1 T CA4 CA3 LonWorks ® BUS COOLING PUMP SPEED T7147 REMOTE COMFORT RELAY INTERLOCK ADJUST MODULE RELAY RELAY (HOT)
  • Page 8: Operation

    Logo and L are registered trademarks of Echelon Corporation. ORKS Home and Building Control Home and Building Control Honeywell Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 Printed in U.S.A. on recycled 62-0155—3...

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