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Vmax I&O Manual
│
Field Wiring
43
Figure 10
-7 VM110 Plu
mbing Schematic
–
M
ultiple CH Pu
mps
w/ Indirect Fire
d Water Heater
Fi
gure illustrates the basic
p
lumbing requirements for
a
VM110 boiler installation with multiple Central
Heating circulators, and an Indirect Fired Water
Heater. Refer to Figures 10-2(b) and 10-2(c) for
boiler fitting identification.
42
44
Table of Contents
Main Page
Table of Contents
1
Hazard Symbols and Definitions
1
General Installation Requirements
3
User Responsibilities
3
Introduction
3
Exhaust Vent / Air-Inlet Piping
4
High Altitude Operation
6
Specifications
6
Alcove Installations
7
Boiler Area Ventilation Air Openings
7
Closet Installations
7
Boiler Location
7
Closet Installation, Minimum Clearances
8
Wall Mounting Instructions
9
Direct Vent Installation (Best Practice)
10
Installation Using Indoor Combustion Air
10
Combustion Air-Inlet Contamination
10
General Venting
10
PVC/CPVC Piping
11
Mandatory Pre-Commissioning Procedure for Plastic Venting
11
Near Boiler Vent/Air-Inlet Piping
11
Flammable Solvents and Plastic Piping
11
Gasket Identification and Pipe Insertion Depth
12
Proper Exhaust Vent Connection
12
Stainless Steel Piping
12
Near Boiler Venting (SS)
13
General Venting
13
Near Boiler Venting (Pps)
13
Near Boiler Venting (CPVC)
13
Near Boiler Venting (PVC)
13
Vent/Air-Inlet Pipe Material
14
Vent/Air-Inlet Pipe Length Determination
14
Termination Options – Direct Vent Installation
15
Optional Termination Kits – Direct Vent Installation
15
Sidewall Venting Options – Direct Vent Installation
16
Two-Pipe Termination (Sidewall)
16
Low Profile Termination (Sidewall)
16
Concentric Termination (Roof)
17
Two-Pipe Termination (Roof)
17
Two-Pipe Termination (Roof-Exhaust / Sidewall-Inlet)
17
Roof Venting Options – Direct Vent Installation
17
Sidewall Termination Details – Direct Vent Installation
18
IPEX Concentric Termination (Sidewall)
18
Roof Termination Details – Direct Vent Installation
19
Venting Rules and Guidelines
20
Venting below Grade
21
Outdoor Venting
21
Existing Chimney Chase Way
21
Termination Clearances Quick Reference Table
22
Vent/Air-Inlet Termination Clearances
22
Termination Clearance Quick Reference Diagram
23
Sidewall Termination
23
Removing an Existing Boiler from Common Venting System
24
Steps to Removing an Existing Boiler
24
Condensate Trap Installation Instructions
25
Condensate Drain
25
Condensate Drain Piping
26
Natural to LP Propane Conversion Kit
27
Installing Gas Piping
27
Gas Line Connection (Typical)
28
Lighting the Boiler
29
Initial Start-Up
30
Re-Lighting Unit
30
Turning off the Boiler
31
Line Pressure and Combustion Parameters
32
Minimum and Maximum Modulation Rates
32
Gas Line Pressure
32
Gas Valve and Burner Set-Up
32
Flue Gas Analysis and Adjustment
33
Throttle / Input Screw Adjustments
33
Combustion Calibration
33
Gas Valve and Venturi Assembly
34
Boiler System Preparation
35
Boiler Water
35
Oxygen Elimination
35
Boiler and Heating System Piping
35
Installation of Optional LWCO
36
Anti-Freeze
36
Treatment
36
Near Boiler Plumbing (Central Heating)
36
Near Boiler Piping (Central Heating – CH)
37
Field Wiring
37
VM110P (Plus) Top
38
VM110P (Plus) Bottom
38
Boiler System Plumbing
39
Circulating Pumps (VM110)
39
Circulating Pumps (VM110P)
39
Circulating Pump Outputs
39
VM110 Head Loss Curve (Only Applicable for DHW Demands)
40
Expansion Tank
40
Indirect Fired Water Heater (IWH)
40
Air Removal
40
VM110 Plumbing Schematic – Single CH Pump
41
DHW Description of Operation
46
VM110P DHW Plumbing & Set-Up
46
Near Boiler DHW Piping (VM110P)
46
Domestic Hot Water (Dhw) Piping
46
Thermostatic Mixing Valve
47
Safe Temperatures for Potable Water
47
Contributing Factors to Legionella
47
How Water Temperature Relates to Legionella and Scald Hazard
48
Legislation and Guidelines
48
Wiring Terminal Access
49
Field Wiring
49
Max Load
50
Field Connections
50
Continuity
50
Labeling
50
VM110 Cascade Plumbing Schematic
52
Communication Wiring
52
Establish Managing Boiler
52
Cascade Instructions
52
Vmax Connection Diagram
54
Wiring Schematics
54
Vmax Ladder-Logic Diagram
55
Instructions to Installing Contractor
56
Before Leaving
56
Operational Checklist
56
Installation Checklist
56
Combustion Chamber Cleaning Procedure
57
Cleaning Checklist
57
Annual Maintenance and Inspection
57
Refractory Ceramic Fibers (RFC)
58
Handling Instructions for Refractory Ceramic Fibers (RCF)
58
Main Screen
59
Initial Power-Up
59
Display Menu Guide
59
Control Console – Main Screen
60
User Menu Navigation
60
Installer Menu
62
Installer Menu Navigation
62
Lockout & Error History
65
Lockout and Error History Navigation
65
Lockout and Error History Navigation (Submenu)
65
Blocking Errors
66
Lockout Navigation
66
Lockout and Error History Navigation (End)
66
Fill – Low Water Pressure
67
Blocking Error Navigation
67
Lockout and Error Code Descriptions
67
Controller Replacement Instructions
70
Appliance Selection Method
70
Appliance Selection
70
Display Normal but no DHW
71
Diagnosing an Inoperative Boiler
71
Servicing the Boiler
71
Troubleshooting
71
Vmax Fuse Location
73
Thermistor Resistance Vs. Temperature
73
VM110P Heat Exchanger, Water Piping & Sensors
74
Parts List
74
VM110 Heat Exchanger, Water Piping & Sensors
75
Vmax Gas Train
75
Vmax Cabinet & Controls (VM110P Illustrated)
76
Vmax Installation Kit Box
77
Parts List: Vmax Series
77
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