System configuration settings
Table 5: SS settings
Menu item Description
Setting options
Default
21
System type
2FCU: 2-pipe fan coil unit
4FCU: 4-pipe fan coil unit
HP: Heat pump
H-C: Conventional (electric
furnace)
4FCU
22
2-pipe FCU with aux heat
available
(available only if system type =
2FCU)
Yes
No
No
2FCU without aux heat:
04: Heat and cool without auto
04
2FCU with aux heat:
03: Heat and cool with auto
04: Heat and cool without auto
03
23
Available modes
4FCU, HP, or H-C:
01: Heat only
02: Cool only
03: Heat and cool with auto
04 : Heat and cool without auto
03
24
HP valve type
(unavailable if system type =
HP)
B: B Valve
O: O Valve
B
25
Remote sensor location
0: In room
1: In duct
0
26
Remote sensor type
0: Type
Ⅱ
1: Type
Ⅲ
0
27
Pipe sensor type
0: Type
Ⅱ
1: Type
Ⅲ
0
28
Pipe state – calendar
ON
OFF
OFF
FCP Non-Programmable and Programmable Fan Coil or PTAC Thermostat Largo User Guide
10