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T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT
INTRODUCTION
Device Description
The T7350H is a L
ON
M
ARK®
certified thermostat that provides networking capability in a L ON W ORKS® system using a transformer-coupled Free Topology Transceiver (FTT). See
The T7350H communicates with many L ON M ARK® devices including the following:
— Other T7350H Communicating Commercial Thermostat devices.
— T7300F/Q7300H Commercial Thermostat/Communicating
Subbase.
— Excel 15 S7760A Command Display.
— Excel 10 W7750A,B,C Constant Volume Air Handler Unit
(CVAHU) Controller.
— Excel 15 W7760A, B, C Building & Plant Managers.
— Excel 10 W7751B, D, F, H, J Variable Air Volume Terminal
Unit Controllers.
— Excel 10 W7752D, E, F, G Fan Coil Unitcontrollers.
— Excel 10 W7753A Unit Ventilator Controller.
— Excel 10 W7762A,B Hydronic Controllers.
— Excel 10 W7763C, D, E Chilled Ceiling Controllers.
Control Application
The T7350H programmable communicating Thermostat controls commercial single zone heating, ventilating and air conditioning (HVAC) equipment through staged and modulating outputs. The T7350H consists of a two piece assembly with a thermostat cover and subbase. The thermostat cover includes the keypad and display for 7-day programming. Calendar programming is available through a direct connect PDA (Configuration Tool) or network
(L ON S PEC ™ with model T7350H) tool configuration. The subbase includes equipment control, inputs and network connections. The subbase mounts on the wall and the thermostat cover mounts to the subbase. In addition, the
T7350H model can communicate local sensor data, schedule information, master clock operations and accept configuration and override instructions to or from other devices/tools in a
L
ON
W
ORKS®
network. Fig. 9 shows a typical T7350H
application in a three-stage heat and two-stage cool heat
pump system. For additional hookups, see Fig. 10 through 12.
NOTEBOOK PC
BUILDING MANAGER
1 4 8 12 16
EXCEL 15
W7760
EXCEL 10
CVAHU
WALL MODULE
17 23 30 31 37 44
RS-232
SERIAL
PORT
SLTA
S7760
LonWorks BUS
T7350H
Back Select
MODEM
MODEM
BUILDING MANAGER
1 4 8 12 16
EXCEL 15
W7760
RS-232
SERIAL
PORT
SLTA
17 23 30 31 37 44
S7760
EXCEL 10
CVAHU
LonWorks BUS
Back Select
Fig. 1. Typical T7350H L ON W ORKS® network diagram.
WALL MODULE
T7350H
M22490
63-4368 2
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