Honeywell COMMERCIAL PROGRAMMABLE T7350 - Manual (Page 3)

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT
3 63-4368
Network Control Provided
The T7350H communicates with other network devices, or
nodes, for sharing data such as local inputs. Through the
network, a Command Display (S7760) is used to view or
modify T7350H operational modes including:
• Weekly Schedule.
• Holiday Schedule.
• Room Temperature SetPoints (Occupied, Unoccupied,
Standby).
• Manual Occupancy Override.
• Temperature Setpoints.
• Update Time Clock.
Network connected Workstations and Configuration Tools are
used to view and modify additional T7350 operational modes:
• Command Fan operating mode (On, Auto)
• Command Application mode (Auto, Off, Heating, Cooling)
By using network messaging, the T7350H may share the
following local inputs with other T7350, T7300/Q7300, XL15
or XL10 network connected devices:
• Room Humidity and Temperature.
• Outdoor Air Temperature.
• Occupancy Sensor.
• Unoccupied Bypass User Input.
Network messaging also supports distribution of local user
commands and operational states from a single T7350H. That
is, network connected T7350H and XL10 devices can be
configured to follow the local user commands and states from
a single (master) T7350H. These local T7350 commands
include the following:
• Application mode (Auto, Off, Heating, Cooling).
• Occupancy (Occupied, Unoccupied, Bypass, Standby).
• Bypass (unoccupied override).
• Setpoint.
• Time synchronization from a T7350H designated as
network master clock.
• Master Time Scheduling of Occupied, Unoccupied and
Standby states.
MODELS
Table 1. T7350 Communicating Thermostat Models.
a All models are down-selectable and can be configured to
control fewer stages than the maximum allowed.
b Heat pump applications for these models have a maximum
of two heat stages and two cool stages.
c One extra stage (of either heat or cool) can be configured
using the auxiliary relay.
Products Covered
This System Engineering manual describes how to apply the
T7350H Communicating Thermostat and related accessories
to typical applications. Devices include:
• T7350H Commercial Communicating Thermostat.
• Excel 15 W7760A or B Building Manager.
• Excel 15 W7760C Plant Manager.
• Excel 10 Controllers including: W7750, W7751, W7752,
W7753, W7762.
Other products:
• Q7760A Serial LonTalk ® Adapter.
• Q7740A,B FTT Repeaters.
• 209541B FTT Termination Module.
See Table 2 for additional products.
Table 2. Additional Products.
Model Applications
Maximum
Stages a
Features Heat Cool
T7350H1009 Conventional
or
Heat Pump
3 (2) b 3 (4) b Humidity, Occupancy,
Outdoor, Discharge Air
Capability
T7350H1017 Modulating
2 modulating, 2 c
relay
Humidity, Occupancy,
Outdoor, Discharge Air
Capability, 4-20 mA
output (2-10 Vdc with
500 ohm resistor)
Part Number
Product
Description Comments
R8242A Contactor, 24 Vac
coil, DPDT.
AT72D, AT88A … 24vac
Transformers.
T7770A-D Wall Modules
T7771 Wall Module with
active display.
4074EYD Wallplate for
T7770 Wall
Modules.
For covering an
existing hole in
a wall
AK3798 Single pair network
cable, U.L. Type
CMR
AK3797 Single pair network
cable plenum
rated, U.L. Type
CMP
AK3799 Double pair
network cable
plenum rated, U.L.
Type CMP