RenewAire HE4XRTH Manuals

Manuals and User Guides for RenewAire HE4XRTH. We have 1 RenewAire HE4XRTH manual available for free PDF download: Installation, Operation And Maintenance Manual

RenewAire HE4XRTH Installation, Operation And Maintenance Manual (36 pages)

ERV

Brand: RenewAire | Category: Fan | Size: 4 MB

Table of Contents
4
Overview
7
Description
7
Airflow
7
Component Descriptions
8
Cabinet
8
Figure 1.2.0 Airflow Orientations
8
Enthalpic Cores
9
Fan/Motor Assemblies
9
E-Box
9
Filters
9
Figure 2.4.0 E-Box with Motor Starters
9
Factory Installed Options
10
Shipping/Receiving/Handling
10
Unit Weights and Dimensions
10
Unit Dimensions and Weight
10
Shipping Dimensions and Weight
10
Rigging and Center of Gravity
11
HE4XRT Hoisting Weights and COG
11
Receiving
11
Handling and Storage
11
Figure 3.2.0 HE4XRT Weights and COG
11
Unit Placement
12
Before You Begin
12
Service Clearances
12
Figure 4.2.0 HE4XRT Service Clearance (TYP)
12
Sound Attenuation
13
Outside the Building
13
At the Curb
13
Ducts
13
Radiated Noise
13
Aerodynamic (Velocity) Noise
13
Installation
14
Curb Specifications
14
Ductwork
14
Inside Ductwork System
14
Duct Insulation
15
Use Dampers to Set and Balance Airflow Rates
15
Installation of Hoods
15
Outside Air Hood
15
Figure 5.3.0 Outside Air Hood (Typical)
15
Exhaust Air Hood
16
Figure 5.3.1 Exhaust Air Hood (Typical)
16
Electrical Requirements
18
Factory-Recommended Electric Service Entry
18
Figure 5.4.0 E-Box Wiring Entry Points
18
Low Voltage Control System
19
How to Reset the 24 VAC Circuit Breaker
19
Limits of Power Output
19
Wiring Schematics
20
Figure 5.5.0 Generic Single-Phase Wiring Schematic
20
Figure 5.5.1 Generic Three-Phase Wiring Schematic
21
External Control Connections
22
Single 2-Wire Control, Unpowered
22
Single 2-Wire Control, Separate Power
22
Control Sending 24 VAC "ON" Signal
22
External Control Using ERV Power Supply
22
Figure 5.6.0 Single 2-Wire Control, Unpowered
22
Figure 5.6.1 24 VAC from External Source
22
Control with 2 Non-Powered Relay Contacts
23
Control with 2 "ON" Signals, External Power
23
Figure 5.6.2 External Control Using ERV 24 VAC
23
Figure 5.6.3 Control with 2 Non-Powered Relay Contacts
23
Figure 5.6.4 Control with 2 "ON" Signals, External Power
23
Quick-Start for Testing Correct 3Ph Wiring
24
Unit Operation
24
Principle of Operation
24
Pre-Startup
24
Verify Voltages
24
Verify Transformer Wiring
24
Inspect Filters
24
Inspect Foam Gasketing
24
Inspect Belts and Verify Sheave Alignment
24
Inspect Fans
24
Unit Startup
25
Fixed-Speed Units
25
Balancing Airflow
25
All Fixed-Speed Units
26
Figure 6.4.0 HE4XRT Pressure Port Locations
26
Filter Pressure Drop
27
Figure 6.4.1 Initial Pressure Drop of MERV 8 Filters, Supplied with this Unit
27
Figure 6.4.2 Initial Pressure Drop of MERV 13 Filters, Available as an Accessory
27
Sheave Adjustment
28
Variable-Speed Units
28
Normal Operation
28
Extreme Cold Operation
28
Unit Maintenance
29
Maintenance 24 Hrs. after Start-Up
29
Maintenance 30 Days after Start-Up
29
Maintenance Schedule
29
Filters
29
Fan Motors
29
Belt Tension
30
Sheave Condition
30
Motor Cleanliness
30
Motor Lubrication
30
Figure 7.5.0 Fan Belt Tensioning
30
Enthalpic Cores
31
Enthalpic Core Maintenance
31
Enthalpic Core Removal
31
Enthalpic Core Replacement
31
Maintenance Records
32
Service Parts
34
Figure 7.8.0 HE4XRT Service Parts
34

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RenewAire HE4XRTH Installation, Operation And Maintenance Manual (36 pages)

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