5-3
Module 5 – Connected Fan Coil Controls
SC102ZB Wireless Fan Coil Controller /
ST103ZB Wireless Fan Coil Remot
e
Section 5
Step 1.
Install the Wiring Mount in the desired location using the junction box screws provided, making
sure the wires go through the center opening . An optional wall plate (sold separately) is available for
mounting to other junction box configurations .
Step 2.
Connect the wiring to the SC102ZB Back Plate . Use the chart below to identify the desired
configuration . Schematic diagrams for 4-Pipe, 2-Pipe and 2-Pipe Applications are provided on the
following page .
SC102ZB Fan Coil Controller Installation
Table 5.2: Wiring Configuration Checklist
Configuration
R
C
WY YA
Gl
Gm Gh
Ac
Ac
Tp
Tx
Ts
Tc*
2-Pipe Heat Only
W
o
o
o
o
o
o
2-Pipe Cool Only
Y
o
o
o
o
o
o
2-Pipe Heat/Cool
Manual Changeover
W/Y
o
o
o
o
o
o
2-Pipe Heat/Cool
Seasonal Changeover
W/Y
o
o
o
o
2-Pipe Heat/Cool
w/Auxiliary Heat
W/Y
A
o
o
o
o
4-Pipe Heat/Cool w/Manual
or Auto Changeover
W
Y
o
o
o
o
o
o
=Required / o=Optional / W=Heat Valve Actuator / Y=Cool Valve Actuator / A=Auxiliary Heat
* If using more than one (Tp/Tx/Ts) terminal, it may be necessary to splice Tc.
No Box or Horizontal
2” x 4” Junction Box
Vertical 2” x 4” Junction Box
(wall plate sold separately)
4” x 4” Junction Box
(wall plate sold separately)