90 CG-SVX17D-EN
Installation - Electrical
Table 39. LonTalk Points List
Inputs/Outputs Length and Contents SNVT / UNVT
Chiller Enable/Disable Request 2 bytes SNVT_switch
Chilled Water Setpoint 2 bytes SNVT_temp_p
Capacity Limit Setpoint
(used by Demand Limit Setpoint)
2 bytes SNVT_lev_percent
Operating Mode Request 1 byte SNVT_hvac_mode
Chiller Running State 2 bytes SNVT_switch
Active Chilled Water or Hot Water Setpoint 2 bytes SNVT_temp_p
Actual Running Capacity 2 bytes SNVT_lev_percent
Active Capacity Limit Setpoint (from Active
Demand Limit Setpoint)
2 bytes SNVT_lev_percent
Evaporator Leaving Water Temp 2 bytes SNVT_temp_p
Evaporator Entering Water Temp 2 bytes SNVT_temp_p
Alarm Description 31 bytes SNVT_str_asc
Chiller Status
00 = Chiller off
01 = Chiller in start mode
02 = Chiller in run mode
03 = Chiller in pre-shutdown mode
04 = Chiller in service mode
03 = Cooling only
0A = Cooling with compressor not running
0B = Ice-making mode
bit 0 (MSB) = in alarm mode
bit 1 = run enabled
bit 2 = local
bit 3 = limited
bit 4 = evaporator water flow
3 bytes SNVT_chlr_status
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