Refrigerant pressure control - PENN Controls - LIT-12011458 - C450Cxx - C450Rxx - C450Sxx - C450Yxx - System 450 Multi-Purpose Modular Control System - C450CBN Standard Control Module One Relay Output - C450CCN Standard Control Module Two Relay Outputs - C450CEN Communications Control Module for Ethernet - C450CPN Standard Control Module One Analog Output - C450CPW-400 Hybrid Control Module for EC Motor - C450CQN Standard Control Module Two Analog Outputs - C450CRN Communications Control Module for Modbus - C450RBN Reset Control Module One Relay Output - C450RCN Reset Control Module Two Relay Outputs - C450SBG Expansion Module One Low-Voltage Relay Output - C450SBN Expansion Module One Relay Output - C450SCG Expansion Module Two Low-Voltage Relay Outputs - C450SCN Expansion Module Two Relay Outputs - C450SPN Expansion Module One Analog Output - C450SQN Expansion Module Two Analog Outputs - C450YNN‐1 Power Module

System 450 Series Modular Controls Product Bulletin

Product
Controls > Multi-Purpose Modular Controls > C450CBN Standard Control Module One Relay Output
Controls > Multi-Purpose Modular Controls > C450CQN Standard Control Module Two Analog Outputs
Controls > Multi-Purpose Modular Controls > C450SPN Expansion Module One Analog Output
Controls > Multi-Purpose Modular Controls > C450CRN Communications Control Module for Modbus
Controls > Multi-Purpose Modular Controls > C450CPW-400 Hybrid Control Module for EC Motor
Controls > Multi-Purpose Modular Controls > C450CPN Standard Control Module One Analog Output
Controls > Multi-Purpose Modular Controls > C450SCN Expansion Module Two Relay Outputs
Controls > Multi-Purpose Modular Controls > C450SBG Expansion Module One Low-Voltage Relay Output
Controls > Multi-Purpose Modular Controls > C450SQN Expansion Module Two Analog Outputs
Controls > Multi-Purpose Modular Controls > C450SCG Expansion Module Two Low-Voltage Relay Outputs
Controls > Multi-Purpose Modular Controls > C450RBN Reset Control Module One Relay Output
Controls > Multi-Purpose Modular Controls > C450SBN Expansion Module One Relay Output
Controls > Multi-Purpose Modular Controls > C450CCN Standard Control Module Two Relay Outputs
Controls > Multi-Purpose Modular Controls > C450CEN Communications Control Module for Ethernet
Controls > Multi-Purpose Modular Controls > C450RCN Reset Control Module Two Relay Outputs
Document type
Product Bulletin
Document number
LIT-12011458
Revision date
2021-07-21
  • Condenser fan cycling and stage control
  • Multispeed condenser fan control
  • Floating pressure control of damper and valve actuators
  • Condenser fan speed and damper control
  • High and low pressure cutout control
  • Staged compressor control
  • Cooling tower fan speed control based on high-side pressure
  • Direct speed control of EC condenser fan motors (C450CPW-400 model)