KMC Controls FlexStat BAC-19 Series Installation Manual page 3

Illustration 2—Unlocking the Cover from the Backplate
NOTE: The hex screw should always remain in
the backplate.
Hex
Screw
Illustration 3—Hex Screw Flush in the Backplate
3. Pull the bottom of the cover away from the
backplate (mounting base).
Illustration 4—Removing the Cover from the Backplate
4. Route the wiring through the center hole of the
backplate.
5. With the embossed "UP" and arrows toward
the ceiling, mount the backplate on an electri-
cal box using the provided screws.
NOTE: Models mount directly on vertical 2 x 4
inch boxes, but they require an HMO-
10000W wall mounting plate for 4 x 4
boxes.
6. Make the appropriate connections to the termi-
nals and (for Ethernet models) modular jack.
(See Network Connections on page
Sensor and Equipment Connections on page
5, and Power Connection on page
BAC-19xxxx FlexStat Installation Guide
4,
6.
3
See also the BAC-19xxxx FlexStat Sequence
of Operation and Wiring
19xxxx FlexStat Application
NOTE: SC = Switched
(relay) Common
NOTE: IN1 is reserved for
the internal temp sensor
+B
MS/TP Network
(Optional)
–A
IN7
IN6
GND
IN5
Inputs
IN4
IN3
(Wiring is
dependent on
GND
application)
IN2
Common/–/C
24 VAC
Phase/ /R
Illustration 5—BAC-19xx63 Terminals and Connections
NOTE: SC = Switched
(relay) Common
NOTE: IN1 is reserved for
the internal temp sensor
+B
MS/TP Network
(Optional)
–A
IN7
(Wiring is
IN6
dependent on
GND
application)
IN5
Inputs
IN4
IN3
GND
IN2
Common/–/C
24 VAC
Phase/ /R
Illustration 6—BAC-19xx36 Terminals and Connections
7. AFTER wiring is complete, carefully position
the top of the FlexStat's cover over the top of
the backplate, swing the bottom of the cover
down, and push the cover into place.
Guide, and the BAC-
Guide.)
Ethernet Network
Connector
(Optional, on
Cover)
Outputs
Analog 9
GND 7–9
Analog 8
Analog 7
Relay 6
SC 4–6
Relay 5
Relay 4
Relay 3
SC 1–3
Relay 2
Relay 1
IP/Ethernet
Connector
(Optional,
on Cover)
Outputs
Analog 9
GND 7–9
Analog 8
Analog 7
Analog 6
GND 4–6
Analog 5
Analog 4
Relay 3
SC 1–3
Relay 2
Relay 1
926-019-02C