Carrier 19XL User Manual
Page 269

Flow Switches (Field Supplied)
Operate water pumps with machine off. Manually reduce water flow and observe switch for proper cutout.
Safety shutdown occurs when cutout time exceeds 3 seconds.
Starter Acceleration Time
(Determined by inrush current
going below 100% compres-
sor motor load)
>
45 seconds
For machines with reduced voltage
mechanical and solid-state starters
>
10 seconds
For machines with full voltage starters
(Configured on Service1 table)
Starter Transition
>
75 seconds
Reduced voltage starters only
Condenser Freeze Protection
Energizes condenser pump relay if
condenser refrigerant temperature or
condenser entering water tempera-
ture is below the configured con-
denser freeze point temperature.
Deenergizes when the temperature is
5 F (3 C) above condenser freeze
point temperature.
CONDENSER FREEZE POINT config-
ured in Service01 table with a default
setting of 34 F (1 C).
Table 3 — Protective Safety Limits and Control Settings (Continued)
Monitored Parameter
Limit
Applicable Comments