Carrier 30GT user manual

Summary of the content on the page No. 1

30GT
1 K,HL
HEATING L COOLlNG
/ckage
SAFETY CONSIDERATIONS
INTRODUCTION
Installing, starting-up and servicing air conditioning
These instructions cover field installation of the Acces-
equipment can be hazardous due to system pressures, sory Hot Gas By ass Valve and solenoid pilot valve on
electrical components and equipment location, the following chi lers: P
30HK,HL015 through 060 (50 and 60 Hz)
Only trained, qualified installers and service techni-
30GB040,045,055,070 (60 Hz), Flotronic’”
cia

Summary of the content on the page No. 2

.- FLOTLWWW” UNITS, 30GB040-200 (See Fig. 2.) UNITS 30HK,HLO15-060 and $?TO%-035 (See Fig. 1.) Bypass Line - Install field-supplied line between the Bvnass Line - Connect the field-supplied line to the header on inlet side of lead coil and the entrance to the factory-provided stubs in the discharge line *fro-m the circuit no. 1 compressor and in the circurt no. 1 hquld line, cooler. Two factory-sealed stubs are provided in each circuit, one on the lead coil header and one on the liquid between e

Summary of the content on the page No. 3

Step 3 - Dehydrate and Recharge Circuit - When piping has been completed, leak test the assembly and replace the filter drier, or core(s) for circuit no. 1. On single-compressor chillers (30HK,HLO 15,025 and 030 for 60 Hz, 020,025 for 50 Hz; 30GT) the filter drier itself must be replaced. TIME DELAY After core (or drier) replacement, evacuate, dehydrate MODULE and recharge the circuit. Procedures for evacuation, dehydration and charging are detailed in Carrier Stand- ard Service Techniques Manua

Summary of the content on the page No. 4

ALL FLOTRONIC UNITS - Units require control OPERATION AND ADJUSTMENT relays R) and Time Delay Module. They may be ob- The bypass valve is factory set to begin opening when tained !rom your Carrier distributor under the following suction pressure drops to about 62 psig. This pressure Carrier Part Numbers: corresponds to a chllled water controller set point of approximately 44 F. If the chilled water set point is lower than 44 F, it will be necessary to decrease the bypass valve y; 115-v HN61KK041