JADE™ ECONOMIZER MODULE
7
63-2700—11
Sylk Bus Sensor Wiring
The labels on the sensors and controller are color coded
for ease of installation. Orange labeled sensors can only
be wired to orange terminals on the controller. Brown
labeled sensors can only be wired to S-bus (brown)
terminals. Use Fig. 7 and Table 3 to locate the wiring
terminals for each Sylk Bus sensor.
Use Fig. 7 and Table 4 to set the DIP switches for the
desired use of the sensor.
Fig. 7. Sylk Bus sensor DIP switches.
NOTE:
When using the Sylkbus sensors there will be a
slight delay while the Jade controller and the
sensor communicate. Analog sensors do not
communicate on the Sylkbus and output a 20k
ohm signal to the Jade controller so the response
time is instantaneous.
NOTE:
When using the C7400S (Sylk bus enthalpy)
sensor there is an operation that will allow test of
the operation of the W7220 economizer when the
outdoor air conditions (temperature and
humidity) are too high for economizing.
Table 2. Economizer Module - Right hand terminal
blocks.
Label
Type
Description
Top Right Terminal Block
n/a
The first pin is not used
AUX2 I
24 Vac IN
Shut Down (SD) or Heat (W)
Conventional only
or
Heat Pump Changeover (O/B) in
Heat Pump mode.
OCC
24 Vac IN
Occupied / Unoccupied Input
E-GND
EGND
Earth Ground - System Required
EXH1
24 Vac OUT Exhaust Fan 1 Output
AUX1 O
24 Vac OUT Programmable:
Exhaust fan 2 output
or
ERV
or
System Alarm output.
Bottom Right Terminal Block
Y2-I
24 Vac IN
Y2 in - Cooling Stage 2 Input from
space thermostat
Y2-O
24 Vac OUT Y2 out - Cooling Stage 2 Output to
stage 2 mechanical cooling
Y1-I
24 Vac IN
Y1 in - Cooling Stage 1 Input from
space thermostat
Y1-O
24 Vac OUT Y1 out - Cooling Stage 1 Output to
stage 1 mechanical cooling
C
COM
24 Vac Common
R
24 Vac
24 Vac Power (Hot)
Table 3. SYLK Bus Sensor Wiring Terminations.
Terminal
Type
Description
Nbr
Label
1
S-BUS SYLK
Bus
Sylk Bus Communications
(Sensor Bus) polarity
insensitive
2
S-BUS SYLK
Bus
Sylk Bus Communications
(Sensor Bus) polarity
insensitive
Table 4. SYLK Bus Sensor DIP Switch Settings.
Use
DIP Switch Positions for Switches 1, 2, & 3
1
2
3
DA
a
a
DA = Discharge Air
OFF
ON
OFF
RA
b
b
RA = Return Air
ON
OFF
OFF
OA
c
c
OA = Outdoor Air
OFF
OFF
OFF
DIP
SWITCH
LABEL
M32271B
SYLK BUS
TERMINALS
(1 AND 2)
DIP
SWITCHES
(3)
SYLK BUS
2 PIN SIDE
CONNECTOR