User Manuals: DURASTAR DRAH1TA3617ASTNJA Air Handler

Manuals and User Guides for DURASTAR DRAH1TA3617ASTNJA Air Handler. We have 1 DURASTAR DRAH1TA3617ASTNJA Air Handler manual available for free PDF download: Installation Instructions Manual

DURASTAR DRAH1TA3617ASTNJA Installation Instructions Manual

DURASTAR DRAH1TA3617ASTNJA Installation Instructions Manual (44 pages)

Brand: DURASTAR | Category: Air Handlers | Size: 4 MB

Table of Contents

Table of Contents
2
Safety Information
4
General Information
6
Important Information about Efficiency & Indoor Air Quality
6
Checking Product Received
7
Model Number Nomenclature
7
Available Models
8
Dimensions & Weight
9
DRAH1T Models
9
Importance of Proper Indoor/Outdoor Match-Ups
10
Importance of Quality Installation
10
Installation
11
Tools and Refrigerant
11
Tools Required for Installation and Servicing R-410A Models
11
Specifications of R-410A
11
Quick-Reference Guide for R-410A
11
Applications and Orientation
12
Vertical Upflow & Horizontal Left Discharge
12
Vertical Downflow & Horizontal Right Discharge
12
Installation in an Unconditioned Space
14
Installation in Mobile/Manufactured Homes
15
Installation in Corrosive Environments
16
Supporting Air-Handler in Horizontal Applications
16
Auxiliary Overflow Pan
16
Clearances
16
Duct Flanges
17
Ductwork
17
Return Air Filter
18
Orifice Size
18
Refrigerant Line Connections & Charging
18
Preparation
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
21
Electrical Wiring
21
Configuring Unit for 208 Volt Power
22
Grounding
22
Power Wiring
22
Cooper Wire Size - AWG. (3% Voltage Drop)
22
Electrical Data - Blower Motor Only - Without Electrical Heat
22
Drah1T
22
Electrical Data - with Electric Heat
23
Drah1T
23
Electric Heater Kit Supplemental Information
27
Control Wiring
27
Thermostat & Control Wiring Connections
27
Airflow
27
General Airflow Operating Limits
28
Selecting Indoor Blower Motor Speed
28
DRAH1T Models (Constant Torque ECM Motor)
28
Airflow Performance Data
29
DRAH1T (Constant Torque Motor) - 115/208/240/480V
29
Start-Up
33
Pre-Start Checklist
33
System Start-Up and Operational Check-Out
33
Sequence of Operation
33
Cooling Mode
33
Electrical Heat Mode
34
Heat Pump Heating Mode
34
Supplemental Electric Heat During Defrost
34
Emergency Heat (Heat Pump)
34
Thermostat Fan Setting
34
Correcting Electric Heat Kw for Voltage
35
Calculating Electric Heat Capacity in BTUH
35
Checking Indoor Air-Flow
35
Estimating CFM Using External Static Pressure
35
Estimating CFM Using Electric Heat Temperature Rise
35
Checking Refrigerant Charge
36
Components & Controls
36
Blower Motor
36
Motor Run Capacitor
36
Blower Control
37
Blower
37
Transformer
37
Indoor Coil Assembly
37
Accessories & Kits
38
Electric Resistance Heart Kits
38
Jumper Bar Kits
38
Auxiliary Horizontal Overflow Pans
38
External Filter Bases
38
Combustible Floor Bases
39
Horizontal Adapter Kits
39
Maintenance
39
Air Filter
39
Indoor Coil, Drain Pan, Drain Line
40
Blower Motor and Wheel
40
Motor Lubrication
40
Blower Assembly Removal & Replacement
40
Motor Replacement
41
Blower Wheel Replacement
41
Replacement Parts
41
Diagnostics
42
Wiring Diagrams
43
Drah1T - 208-240V
43

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