Carrier 19DA- Manuals

PURGE VALVE OPERATION PLATE PURGE PUMP SWITCH CHILLED WATER LOW TEMP CUTOUT PURGE OPERATING VALVES (6) Fig. 2 - 19DA Rear View 1 . 2 . Record and date vacuum reading shown on compound pressure gage located on compres­sor (Fig. 1). With this reading and the reading taken when the machine was received...

Check Starter - Before starting the 19DA, check starter as follows: 1. Remove the contactor arc chutes. Be sure con­ tactors move freely, and that shipping string has been removed. Replace arc chutes. 2. If starter has been left on jobsite for a consid­ erable period of time, check contactors for di...

Table 2 - Setting Safety Controls (Contd) SAFETY OR CONTROL DEVICE RECOMMENDED SETTING 2. Refrigerant Low-Temperature Cutout (Fig. 1) 1. Install jumper wire or mechanical block in the chilled water low-temperature cutout and recycle control. 2. Set the refrigerant low-temperature cutout at 33 F whil...