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Lochinvar
Boiler
SOLUTION 260000
Page 7
Lochinvar SOLUTION 260000 - Page 7
52 pages
Manual
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Models 45,000 - 90,000 Btu/hr Front View
Models 45,000 - 90,000 Left Side (inside unit)
Models 45,000 - 90,000 Right Side (inside unit)
Models 45,000 - 90,000 Rear View
T
he Solution - Ho
w it wor
ks...
(continued)
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Installation & Service Manual
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Table of Contents
Main Page
Hazard Definitions
2
Table of Contents
2
Please Read before Proceeding
3
Warranty
3
Please Read before Proceeding
4
Other Specifications
5
Ratings
5
The Solution --How It Works
6
The Solution --How It Works
8
1 Determine Boiler Location
9
Location of Unit
9
Clearances
9
Combustion and Ventilation Air
10
2 Venting
13
A Conventional Negative Draft Venting System
13
Vertical Vent Termination Clearances
15
Masonry Chimney Installation
16
Inspection of a Masonry Chimney
16
Automatic Vent Damper
17
3 GAS CONNECTIONS Gas Supply
18
Manifold Pressure
18
Gas Pressure Test
18
Gas Connection
18
Gas Piping
19
Gas Manifold Pressure Adjustment Procedure
20
Checking Gas Supply Pressure
21
Combination Gas Valves
22
4 Water Connections
23
Relief Valve
23
Water Flow Switch (if Equipped)
23
Low Water Cutoff (if Equipped)
24
Typical Heating Boiler Installations
24
Piping of the Boiler System
25
Performance Loop
27
Primary/Secondary Boiler Piping
27
Low Temperature Bypass Requirements
28
Boiler Flow Rates
28
Primary / Secondary Piping
29
Full System Flow
32
Full System Flow
33
5 Electrical Connections
34
Boiler Operating Temperature Control
34
Room Thermostat or Remote Thermostat Connection
34
Terminal Strip Wiring
34
Auxiliary Device Connection to Terminal Strip
34
Pump Wiring for a Heating Boiler
35
Temperature Adjustment
35
Temperature Control Settings
35
Maximum Set Point Determination
36
Outdoor Air Reset Option
38
Additional Temperature Controls
38
Blocked Vent and Flame Roll-Out / Flame Interlock Switch
39
6 STARTUP Initial Startup
40
Lighting Instructions for Spark Ignition Pilot Models (M9)
40
For Your Safety Read before Operating
40
Operating Instructions
41
To Turn off Gas to Appliance
41
Safety Shutoff Test for Spark Ignition Pilot System
41
Intermittent Pilot Spark Ignition System (M9)
42
Ignition and Control Timings
42
Freeze Protection
42
Water Treatment
42
7 Owner Maintenance
43
Maintenance and Annual Startup
43
Service Technician
43
Address Reported Problems
44
Check Expansion Tank
45
Check Relief Valve
45
Inspection and Cleaning
47
Review with Owner
48
8 Troubleshooting
49
9 Diagrams
50
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