Honeywell Analytics 301-EM-RFSA-US3 Controller Freon use a 1/16-inch Allen wrench

use a 1/16-inch Allen wrench to adjust the calibration screw until the branch pressure gauge reads 9 PSIG when the setpoint matches the current ambient room temperature

Key Benefits Direct OEM Compatibility: Specifically designed to replace 622018R and Emerson K55HXLCM-9928 without bracket modifications

provided the transformer sizing accounts for a power consumption of 11 VA per unit

9/10 HP blower motor engineered for heavy-duty HVAC applications within commercial and light industrial environments

minimizing truck stock requirements

Honeywell Analytics 301-EM-RFSA-US3 Controller Freon use a 1/16-inch Allen wrenchThe Honeywell Analytics 301 EM RFSA US3 Controller is a high performance multi gas detection system engineered for demanding mechanical rooms and industrial refrigeration plants. This Type 3 US configuration features an integrated horn and strobe for immediate local notification, ensuring compliance with ASHRAE 15 and B52 safety standards. Designed to manage up to 20 remote sensors, it supports Modbus RS 485 and 4 20mA communication for seamless