RT-SVX056D-GB
40
For Customer option module refer to wiring diagram
supplied with the unit for detailed information.
Customer option module
Input/Output are defined with the optional service
terminal. Outputs are only with dry contacts.
List of I/Os through universal pins
External
Control
(Digital In)
Emergency Stop
External Auto / Off
Takes precedence over
THP05
Circuit1 Disable
Circuit2 Disable
Compressor 1A Disable
Compressor 1B Disable
Compressor 2A Disable
Compressor 2B Disable
Occupancy Sensor
Timed Override occupied
initiate
Timed Override occupied
terminate
Aux. Heat Disable
Mech to Aux Heating
changeover
Pressurize override
Purge override
Exhaust override
CMP1 *
Conventional
Thermostat
open = OFF / closed = ON
CMP2 *
Conventional
Thermostat
CMP3 *
Conventional
Thermostat
CMP4 *
Conventional
Thermostat
SOV *
Conventional
Thermostat
AuxHeat1 *
Conventional
Thermostat
AuxHeat2 *
Conventional
Thermostat
IDFan *
Conventional
Thermostat
Firestat
The main module should be configured with the
appropriate I/O.
Operation with a conventional
thermostat
For unit with variable speed controller:
Mechanical cooling command compressor start and
stop use CMP1 input
Mechanical heating command compressor start and
stop use CMP1+O
In both modes, the modulation of the compressor
speed will be automatically adjusted based on return air
temperature measure and cooling/heating setpoint.
CpCOe
Customer
options
Unit Electrical Box
O
W1
Y1
W2
Y2
X2
G
O
•
C1 = Call for one compressor
•
C3 = Call for one compressor
•
C2 = Call for one compressor
•
C4 = Call for one compressor
•
O = Switchover Valve (On=cooling ; Off=Heating (HP))
•
X1 = Call for Aux. Heat 1
•
X2 = Call for Aux. Heat 2
•
G = Call for supply fan
•
F = 0 – 10V signal to control supply fan speed
•
R = 24VAC power to thermostat
CMP1
CMP2
For overall wiring, consult wiring diagram supplied with
the unit.
Active Unit Mode
Conv Th
O control
OFF
Inactive
-
Auto
Active
enabled
Heat
Active
disabled
Cool
Active
disabled
Customer option module