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Excel 10
W7754K,P,Q,R,S,T,V FAN COIL UNIT
CONTROLLERS
HONEYWELL EXCEL 5000 OPEN SYSTEM
INSTALLATION INSTRUCTIONS
GENERAL INFORMATION
LonWorks
SERVICE LED
LonWorks SERVICE BUTTON
LEFT DIP SWITCH (USED = WALL MODULE CONNECTED)
BINARY OUTPUT FOR LOW-VOLTAGE PWM
CONTROL OF SOLID-STATE RELAY (W7754K, only)
RIGHT DIP SWITCH (USED = TERMINAL 11 ENABLED)
FUSE
REMOVABLE LonWorks TERMINAL PLUG
ANALOG OUTPUT & ANALOG INPUTS
REMOVABLE POWER
SUPPLY TERMINAL PLUG
RELAYS TRIACS
TERMINAL ASSIGNMENT LABEL
Fig. 1. Excel 10 W7754 FCU Controller (w/o opt. cover)
BEFORE INSTALLATION
IMPORTANT
It is recommended that the unit be kept at room
temperature for at least 24 hours before applying
power; this is to allow the evaporation of any
condensation resulting from low shipping / storage
temperatures.
US requirement, only: This device must be installed
in a UL-listed enclosure offering adequate space to
maintain the segregation of line voltage field wiring
and Class 2 field wiring.
乨 CAUTION
To avoid electrical shock or equipment damage, you
must switch OFF the power supply before attaching /
removing connections to/from any terminals.
power supply
(removable plug)
triac voltage
binary input, for
reading input from,
e.g., window contact,
occupancy sensor, etc.
binary input, for
reading input from
window contact
n.-o. relays, for 3-speed
fan control
n.-o. relay, for reheat
coil control
triac outputs, for
opening / closing valve
output, for low-voltage
PWM control of solid-
state relay
analog output, for
variable-speed fan
control
binary input, for con-
nection to wall module
LED
analog inputs, for con-
nection to wall module
OS no.
25, 26
19-22
DI1
DI2
Fan I
Fan II
Fan III
Reheat
OUT1 close
OUT1 open
OUT2 close
OUT2 open
solid state
AO1
LED
FanSwitch
Sensor
Setpoint
W7754K1001
230 VAC 230 VAC
X X X X X -- -- -- -- X X -- X X X X
W7754P1000
230 VAC 230 VAC
X X XXX X XXXX -- -- X XXX
W7754Q1008
24 VAC 24 VAC
X X XXX X XXXX -- -- X XXX
W7754R4431
230 VAC 230 VAC
X X XXX X XXXX -- X X XXX
W7754S2230
230 VAC 230 VAC
X X X X X -- -- X -- X -- -- X X X X
W7754T4431
230 VAC 24 VAC
X X XXX X XXXX -- X X XXX
W7754V1230
230 VAC 230 VAC
X X -- -- -- X -- X -- X -- X X X X X
Table 1. Overview of models
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