RefPlus ONS Manuals

RefPlus ONS Manuals

Manuals and User Guides for RefPlus ONS. We have 1 RefPlus ONS manual available for free PDF download: Installation, Operation And Maintenance Manual

RefPlus ONS Installation, Operation And Maintenance Manual

RefPlus ONS Installation, Operation And Maintenance Manual (32 pages)

AIR-COOLED - VERTICAL DISCHARGE CO2 TRANSCRITICAL CONDENSING UNIT

Brand: RefPlus | Category: Heat Pump | Size: 6 MB

Table of Contents

Table of Contents
3
Safety Considerations
4
Introduction
4
Product Description
4
Main Components
5
Handling and Rigging
7
Installation
8
Complete Pre-Installation Inspection
8
Installation Location
8
Unit Wiring
10
Refrigeration Piping
10
Line Sizing and Basic Piping Rules
11
Recommended Velocity for Good Oil Return
11
General Requirements for Co
11
Suction Line
11
Liquid Line
14
Condensate Drain Line
14
Principles of Operation
14
Refrigeration System and Controls
14
System Controller
14
High Pressure Electronic Valve (Hpv)
15
Bypass Line Electronic Valve (Bpv) (Medium-Temperature Units Only)
15
Gas Cooler: Fans
15
Gas Cooler: Coil
16
Gas Cooler: Bypass Valve
16
Co Compressor(S)
16
Co Flash Tank/Liquid Receiver
16
Variable Frequency Drive( Vfd)
16
Mechanical High Pressure Safety Switch
17
Evaporators with Guardian+ Rc-Scontroller
17
Controls and Operation
18
Controlling the Co
18
Standard Sequence of Operation
20
Optional Evaporator Defrost
21
Optional Adiabatic Pre-Cooling System
21
Start-Up
21
Leak Testing and Evacuation
21
Oil Change after Initial Start-Up
22
Charging the System with Refrigerant
22
Service
23
Inspection
23
Cleaning
23
Fan Motors
23
Procedure for Adding Oil (Pre-Charged System)
23
Refrigeration Oils
23
Oil in Semi-Hermetic Compressors
24
Recommended Poe Oil for Co Refrigerant
24
List of System Alarms
24
Troubleshooting Chart
25
Replacement Parts
27
Startup Report Form
28
General Warranty
30

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