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T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES
5 63-4365
Products Covered
This System Engineering manual describes how to apply
the T7300F Thermostat and Q7300H Communicating
Subbase and related accessories to typical applications.
Devices include:
T7300F Series 2000 Commercial Thermostat.
Q7300H Series 2000 Communicating Subbase.
Excel 15 W7760A Building Manager.
Excel 10 Controllers, as follows:
W7750A,B Constant Volume Air Handler Unit (CVAHU)
Controller.
W7761 Remote Input/Output (RIO) Controller.
Other products:
Q7751A,B Bus Router.
Q7760A Serial LonTalk
Adapter.
Q7740A,B FTT Repeaters.
209541B FTT Termination Module.
See Table 1 for additional products.
Organization of Manual
This manual is divided into four basic sections:
1.
Introduction
. Provides an overview of the
T7300F/Q7300H, discusses related devices, lists
additional literature, and provides a glossary of
abbreviation and terms.
2.
Construction
. Describes T7300F/Q7300H features,
network connections and dimensions.
3.
Application
Steps
. A step-by-step procedure that
provides the information necessary to plan and lay
out the T7300F/Q7300H application and accurately
order materials.
4.
Appendix
. Appendix A provides a sequence of
operations for configuring network controllers.
The organization of the manual assumes a project is being
engineered from start to finish. If you are changing an
existing system, refer to the Table of Contents for relevant
sections.
Table 1. Additional Products.
Part Number Product Description Comments
R8242A Contactor, 24 Vac coil, DPDT. —
AT72D, AT88A, etc. Transformers. —
4074EYD Wallplate for T7770 Wall Modules. For coverin
g
an existin
g
hole in a
wall.
— Serial Interface Cable, male DB-9 to female DB-9 or
female DB-25.
Obtain locally from any computer
hardware vendor.
Honeywell (US only)
AK3791 (one twisted pair)
AK3792 (two twisted pairs).
LonWorks® Bus (plenum): 22 AWG (0.325 sq mm)
twisted pair solid conductor, nonshielded or Echelon
approved shielded cable.
Level IV, 140°F (60°C) rating.
Honeywell (US only)
AK3781 (one twisted pair)
AK3782 (two twisted pairs).
LonWorks® Bus (nonplenum): 22 AWG (0.325 sq mm)
twisted pair solid conductor, nonshielded or Echelon
approved shielded cable.
Level IV, 140°F (60°C) rating.
Honeywell AK3725 (US only),
typical or equivalent.
Inputs: 18 AWG (1.0 sq mm) five wire cable bundle. Standard thermostat wire.
Honeywell AK3752 (US only),
typical or equivalent.
Outputs/Power: 14 to 18 AWG (2.0 to 1.0 sq mm). NEC Class 2, 140°F (60°C) rating.
Honeywell AK3702 (US only),
typical or equivalent.
18 AWG (1.0 sq mm) twisted pair. Non-plenum.
Honeywell AK3712 (US only),
typical or equivalent.
16 AWG (1.3 sq mm) twisted pair. Non-plenum.
Honeywell AK3754 (US only),
typical or equivalent.
14 AWG (2.0 sq mm) two conductor. Non-plenum.