User Guide
FS-8700-21 LonWorks Manual                Page 45 of 62 
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com 
Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970 email: support@fieldserver.com 
SNVT_hvac_mode 
Data Length 
1 
Suggested Data Array Formats 
Byte, Uint16, Float 
Data Item 1 
Measurement 
Units 
Values Range 
Invalid Value 
Hvac_t 
N/A 
0 .. 17 
255 (0xFF)(HVAC_NUL) 
SNVT_hvac_overid 
Data Length 
3 
Suggested Data Array Formats 
Float 
Data Item 1 
hvac_ord_state 
Measurement 
Units 
Values Range 
Invalid Value 
hvac_overid_t 
N/A 
0 .. 48 
255 (0xFF)(HVO_NUL) 
Data Item 2 
hvac_ord_percent 
Measurement 
Units 
Values Range 
Invalid Value 
Percent 
Percent of Full Scale 
-163.840  .. 
163.830 
Type:  163.835        Raw: 
32,767 (0x7FFF) 
Data Item 3 
hvac_ord_flow 
Measurement 
Units 
Values Range 
Invalid Value 
Flow 
Liters per Second 
0 .. 65,534 
65,535 (0xFFF) 
SNVT_hvac_status 
Data Length 
7 
Suggested Data Array Formats 
Float 
Data Item 1 
hvac_sts_mode 
Measurement 
Units 
Values Range 
Invalid Value 
hvac_t 
N/A 
0 .. 17 
255 (0xFF)(HV_NUL) 
Data Item 2 
hvac_heat_out_pri 
Measurement 
Units 
Values Range 
Invalid Value 
Primary Heat Output 
Percent of Full Scale 
-163.840  .. 
163.830 
Type:  163.835        Raw: 
32,767 (0x7FFF) 
Data Item 3 
hvac_heat_out_sec 
Measurement 
Units 
Values Range 
Invalid Value 
Secondary  Heat 
Output 
Percent of Full Scale 
-163.840  .. 
163.830 
Type:  163.835        Raw: 
32,767 (0x7FFF) 
Data Item 4 
hvac_cool_out 
Measurement 
Units 
Values Range 
Invalid Value 
Cooling Output 
Percent of Full Scale 
-163.840  .. 
163.830 
Type:  163.835        Raw: 
32,767 (0x7FFF) 
Data Item 5 
hvac_econ_out 
Measurement 
Units 
Values Range 
Invalid Value 
Economizer Output 
Percent of Full Scale 
-163.840  .. 
163.830 
Type:  163.835          Raw: 
32,767 (0x7FFF) 
Data Item 6 
hvac_fan_out 
Measurement 
Units 
Values Range 
Invalid Value 
Fan Output 
Percent of Full Scale 
-163.840  .. 
163.830 
Type:  163.835        Raw: 
32,767 (0x7FFF) 
Data Item 7 
hvac_in_alarm 
Measurement 
Units 
Values Range 
Invalid Value 
In Alarm State 
Alarm value 
0 .. 1 
N/A 
SNVT_hvac_type 
Data Length 
1 
Suggested Data Array Formats 
Byte, Uint16, Float 
Data Item 1 
Measurement 
Units 
Values Range 
Invalid Value 
Hvac_hvt_t 
N/A 
0 .. 9 
255 (0xFF)(HVT_NUL) 
SNVT_length 
Data Length 
1 
Suggested Data Array Formats 
Float 
Data Item 1 
Measurement 
Units 
Values Range 
Invalid Value 
Length 
Meters (m) 
0 .. 6,553.5 
N/A 










