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Manuals and User Guides for RenewAire GH-350. We have
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RenewAire GH-350 manual available for free PDF download: Installation, Operation And Maintenance Manual
RenewAire GH-350 Installation, Operation And Maintenance Manual (60 pages)
Indirect Gas-Fired Duct Furnace
Brand:
RenewAire
| Category:
Furnace
| Size: 7 MB
Table of Contents
Table of Contents
12
1 Overview
17
Description
17
Gas Supply
17
Electrical Supply
17
Input Capacity in Mbh
17
Gas Furnace Modulation (Turndown)
18
Figure 1.5.0 Chart of Available Turndown Options by Furnace Model
19
Figure 1.5.1 Typical Installation of Indoor Separate Inlet Exhaust Furnace
20
Figure 1.5.2 Typical Installation of Indoor Top Exhaust Furnace
20
Figure 1.5.3 Typical Installation of Outdoor Top Exhaust Furnace
20
Figure 1.5.4 Typical Parallel Furnace Installation
20
Figure 1.5.5 Typical Factory-Provided Connection Points
20
Single and Multiple Furnace Configurations
21
User Interface
21
Figure 1.6.0 Single Unit-Top View
21
Figure 1.6.1 Parallel Unit-Top View
21
2 Venting
22
Equivalent Length
22
Indoor Furnace Venting
22
Figure 2.2.0 Indoor Vertical Venting
23
Figure 2.2.1 Indoor Horizontal Venting
24
Figure 2.2.2 Vertical Venting - Separate Combustion
26
Figure 2.2.3 Horizontal Venting - Separate Combustion
26
Outdoor Furnace Venting
27
Figure 2.3.0 Outdoor Horizontal Venting
27
Figure 2.3.1 Outdoor Vertical Venting
27
3 Gas Supply
28
Figure 3.0.0 Example of Multiple Furnace Supply Gas Piping
28
4 Placement Recommendations
29
5 Ductwork
29
Figure 5.0.0 Ductwork Configuration Example a
30
Figure 5.0.1 Ductwork Configuration Example B
30
Figure 5.0.2 Ductwork Configuration Example C
31
Figure 5.0.3 Ductwork Configuration Example D
31
6 Component Technical Data
32
Performance Data
32
Figure 6.1.0 50-200 MBH Temperature and Pressure Chart
32
Figure 6.1.1 250-400 MBH Temperature and Pressure Chart
32
Furnace Size Selection
33
Maximum and Minimum Airflows
34
Duct Furnace Pressure Drop
34
Dimensional Drawings
35
Figure 6.5.0 Dimensional Drawings of Duct Furnaces
35
Gas Train Schematics
36
Figure 6.6.0 Example of Single Stage and Two-Stage Gas Train
36
Figure 6.6.1 Example of Modulated Gas Train
36
Gas Valve Illustrations
37
Figure 6.7.0 Single Stage Gas Valves (Typical)
37
Figure 6.7.1 Two-Stage Gas Valves (Typical)
37
Figure 6.7.2 Modulating Gas Valves (Typical)
38
Electrical Data
39
Electrical Schematics
40
Figure 6.9.0 Control Wiring, 1 Stage Furnace
40
Figure 6.9.1 Control Wiring, 2 Stage Furnace
41
Figure 6.9.2 Control Wiring, 5:1 Turndown Furnace, 50-175 MBH
42
Figure 6.9.3 Control Wiring, 5:1 Turndown Furnace, 200-400 MBH
43
Figure 6.9.4 Control Wiring, 10:1 Turndown Furnace, 200-250 MBH
44
Figure 6.9.5 Control Wiring, 10:1 Turndown Furnace, 300-400 MBH
45
Figure 6.9.6 Furnace Control Wiring Schematic-Analog
46
Figure 6.9.7 Furnace Control Wiring Schematic-BMS
46
Figure 6.9.8 Furnace Control Wiring Schematic-External Safety Interlocks
47
Figure 6.9.9 Furnace Control Wiring Schematic-Staged Duct Thermostat
47
7 Furnace Installation
48
Furnace Inspection on Arrival
48
Preparing for Installation
48
Installation Codes
48
Placement of Furnace
48
Clearance to Combustibles and Service Clearances
49
Furnace Installation Requirements
49
Figure 7.6.0 Installation Example
49
Install Control Sensors
50
Install Gas Supply Piping
50
Installation of Gas Piping
50
Figure 7.7.0 Air Proving Switch
50
Figure 7.7.1 Airflow Probe
50
Figure 7.7.2 Auxiliary High Temperature Limit Switch
50
Determine Gas Supply Requirement
51
Figure 7.8.0 Typical Data Label
51
Figure 7.8.1 Typical Gas Supply Piping Connection
51
Connect Condensate Drain
52
Make Electrical Connections
52
Figure 7.9.0 Recommended Drain Trap Construction
52
Figure 7.10.0 Electric Supply Fittings (Typical)
52
8 Operating Instructions
53
Start-Up
53
Inlet Gas Pressure
53
Input
53
Manifold Pressure Adjustment
53
Failure to Ignite
54
Unit Start-Up Adjustments
54
Burner Flames
54
Shutdown after Unit Start-Up
55
Normal Operation
55
Figure 8.6.0 Burner Flame at 1.2 Inwc Manifold
55
Figure 8.6.1 Burner Flame at High Fire 3.5 Inwc Manifold
55
9 Maintenance
56
Furnace Module Inspection
56
Furnace Module Operation Check
56
Service Parts
57
Figure 9.3.0 Service Parts-Staged Control
57
Figure 9.3.1 Service Parts-Modulated Control
57
10 Troubleshooting
58
Sequence of Operations (Soo)
58
Ignition Controller
58
11 Factory Assistance
59
12 Warranty
59
Figure 10.2.0 Series 5 Ignition Controller
59
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