Flow Switches (Field Supplied)
Operate water pumps with machine off. Manually reduce water f low and observe switch for proper cutout.
Safety shutdown occur s wh en cutout time exceeds 3 s ec o nds.
Starter Accelerati on Time
(Determined by inru sh
current going below 100%
compressor motor lo ad)
>45 seconds For machines with red uced voltage
mechanical and solid-state starte rs
>10 seconds For machines with full voltage starters
(Configured on Servic e1 table)
Starter Transition >75 seconds Reduced voltage starter s only
Condenser Freeze
Protection
Energizes condenser pu mp relay if
condenser refrigerant temperature or
condenser entering wat er tempera-
ture is below the configu red con-
denser freeze point temp erature.
Deenergizes when the temperatur e is
5 F (3 C) above condenser fr eeze
point temperature.
CONDENSER FREEZE POINT config-
ured in Service01 tabl e with a default
seting of 34 F (1 C).
Impeller Clearan ce Displacement switch open Thrust movement excessive
Motor Leak Detector*
Water from motor cooling i s leaking Water sensors are ins talled only on
open-drive motors that use water cool-
ing. (Totally enclo sed, water-to-air
cooled [TEWAC] moto rs)
Table 3 — Protective Safety Limits and Control Settings (Continued)
Monitored Parameter Limit Applicable Comments
Carrier Part No. HK06ZC033
* Applicable to open drive machines only .
Carrier Part No. HK06 ZC 001
Note: Dimensions in pare nthesis are
in millimeters
NO ADJUSTMENTS ARE TO BE MADE ON THIS
SETSCREW! (FACTORY ADJUSTED ONLY)