TEC3000 Series On/Off or Floating Fan Coil and Individual Zone Thermostat Controllers with Dehumidification
Capability Installation Instructions
12
Note:
VAV and 2-pipe systems should connect their valve to the heating output.
Figure 11: Floating Control Two-Pipe Heating and Cooling Hydronic Valve Control Fan Coil Application
Figure 12: Floating Control Two-Pipe Heating and Cooling Hydronic Valve Control with Changeover Fan
Coil Application
Figure 13: Floating Control (On/Off Two-Pipe and Four-Pipe Fan Coil Applications)
F
IG
:m
o
de
l_
1_h
tn
g_c
ln
g_
h
d
rn
c
Room Temperature
Control Thermostat
COS
COM
24V
HTG O
HTG C
FIG
:m
o
d
el
_1_
ht
ng_
cl
ng_
hdr
nc
_ch
n
g
v
r
Floating
Heating/Cooling
Valve
Optional Water
Supply Sensor
Room Temperature
Control Thermostat
Supply Water
Temperature Sensor
COS
COM
24V
HTG O
HTG C
Two-Pipe Applications
Four-Pipe Applications
FI
G:
m
odel
_1
_ono
ff
COM
24V
COM
24V
Cooling
Valve
Heating
Valve
Triac Switch
Triac Switch
Triac Switch