Rheem HCLA2120D Series Manuals

Manuals and User Guides for Rheem HCLA2120D Series. We have 1 Rheem HCLA2120D Series manual available for free PDF download: Installation Instructions Manual

Rheem HCLA2120D Series Installation Instructions Manual (45 pages)

COMMERCIAL AIR HANDLER WITH VARIABLE FREQUENCY DRIVE (VFD) R-410A REFRIGERANT 2-STAGE AIR-FLOW

Brand: Rheem | Category: Air Handlers | Size: 7 MB

Installation Instructions
2
Table of Contents
3
Safety Information
5
General Information
7
Important Information about Efficiency & Indoor Air Quality
7
Checking Product Received
7
Model Number Nomenclature
7
Physical Dimensions - Inches [MM]
8
Physical Data
10
Major Components
11
Importance of Proper Indoor/Outdoor Match-Ups
12
Importance of a Quality Installation
12
Installation
13
Tools & Refrigerant
13
Tools Required for Installing and Servicing R-410A Models
13
Specifications of R-410A
13
Quick-Reference Guide for R-410A
13
Applications & Orientation
14
Horizontal Discharge
14
Vertical up Discharge
14
Applications Requiring Electric Heat
15
Suspending Unit
15
Installation in an Unconditioned Space
15
Installation in Corrosive Environments
15
Auxiliary Overflow Pan
16
Clearances
16
Ductwork
16
Return Air Filters
16
Refrigerant Line Connections & Charging
17
Preparation
17
Configuring Air-Handler for a Single or Dual Refrigerant Circuits
17
Refrigerant Lines
18
Liquid Line Filter Drier
18
Brazing
19
Leak Testing
19
Evacuation
19
Refrigerant Charging
19
TXV Sensing Bulb Attachment
19
Condensate Drain
20
Thermostat
20
Electrical Wiring
21
Power Wiring
21
Heat Applications
21
Electric Heat Applications
21
Grounding
21
Electrical Data - Electric Heat
22
Copper Wire Size
22
Electric Heater Kit Identification Label
25
Control Wiring
25
Heat Applications
25
Electric Heat Applications
25
Configuring Outdoor Unit Transformer for 208V Applications
25
Wiring Connection Diagrams
26
Air-Flow
27
Drive Package Data
27
Air-Flow Performance Data
29
Component Air-Resistance Data
35
Selecting the Proper Blower Drive & Motor Sheave Setting
35
Field Supplied Blower Drives
35
Adjusting the Variable Pitch Motor Sheave
35
Drive Belt Alignment & Adjustment
36
Start-Up
36
Pre-Start Checklist
36
System Start-Up & Operational Check-Out
37
Checking Indoor Air-Flow Rate
37
Estimating Air-Flow Rate Using External Static Pressure
37
Estimating Air-Flow Rate Using Electric Heat Temperature Rise
37
Correcting Electric Heat Kw for Voltage
37
Calculating Electric Heat Capacity in Btu
37
Checking Refrigerant Charge
38
Sequence of Operation
38
Cooling & Heat Pump Heating Modes
38
Electric Heat Mode
38
Supplemental Heating During the Heat Pump Heating & Defrost Modes
38
Emergency Heat (Heat Pump)
38
Thermostat Fan Setting
38
Field Installed Accessories & Kits
39
Electric Resistance Heater Kits
39
Hot Water & Steam Coils
40
HCLP2120 Filter Rack Assembly
41
Maintenance
42
Air-Filters
42
Coil, Drain Pan, Drain Line
42
Blower Lubrication & Cleaning
42
Blower Shaft Bearings, Bearing Collar Set Screws, Blower Wheel, Sheaves, & Blower Drive Belt(S)
42
Motor Replacement
42
Replacement Parts
42
Diagnostics
43
Wiring Diagram
44

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Rheem HCLA2120D Series Installation Instructions Manual (45 pages)

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