11
P/N 032498h
Step 4: Set the SMC55-HWQS Basic Parameters for System
Compatibility
(continued)
The different basic configuration parameters and the values available for each of these parameters are listed below:
(01b): System Type
Use this parameter to select the HVAC system type. Refer to the HVAC equipment manual or label to identify the type of HVAC
equipment. The different options available for this parameter are listed in the table below:
Table 4: Values for Different Types of HVAC Equipment
Available Options
Default Value
00: Conventional
01: Heat pump
02: 2-pipe FCU
03: 4-pipe FCU
04: Hydronic underfloor heating
05: Electric underfloor heating
00: Conventional
(02b): Heat Stages
Applicable systems:
Conventional and Heat Pump.
Use this parameter to set the number of supported heat stages. This parameter will be skipped if you select an option anything
other than ‘00: Conventional’ or ‘01: Heat Pump’ for the previous parameter (01b). Refer to the HVAC equipment installation
manual or label for the number of supported heat stages. The different options available for this parameter are listed in the table
below:
Table 5: Values for Different Heat Stages Based on System Type
System type (01b)
Values for heat Stages (02b)
Default Value
00: Conventional
00: No heat stage
01: 1 heat stage (W
1
)
02: 1 primary source and 1 auxiliary source (W
2
)
01: 1 heat stage (W
1
)
01: Heat pump
00: No heat stage
01: 1 stage (W
1
)
02: 2 stage (1 compressor and 1 auxiliary)
03: 2 stage (2 compressors and no auxiliary)
04: 3 stage (2 compressors and 1 auxiliary
02: 2 stage (1 compressor
and 1 auxiliary)
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