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MI, MIH manual
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Contents
Main
TABLE OF CONTENTS
TABLE OF CONTENTS
USING THIS MANUAL
1
A. INSTALLATION SEQUENCE
B. SPECIAL ATTENTION BOXES
USING THIS MANUAL
1. PREINSTALLATION
Natural Gas and Propane Installation Code
National Fuel Gas Code
Page
Page
5
D. INSTALLATION SURVEY
E. PLANNING THE LAYOUT
BOILER SET-UP
2. BOILER SET-UP
7
A. BOILER SUPPLY AND RETURN
3. WATER PIPING AND CONTROLS
8
B. SAFETY RELIEF VALVE
Page
10
D. EXPANSION TANK
E. INDIRECT-FIRED WATER HEATER
F. FREEZE PROTECTION
11
4. VENTING
12
C. VENT PIPING AND CHIMNEY
D. BOILER REMOVAL FROM COMMON VENTING SYSTEM
13
5. GAS PIPING
GAS PIPING
Table 5.4: Pipe Capacity
Table 5.1: MI Boiler Natural Gas
Table 5.3: MIH Boiler Natural Gas
GAS PIPING
Maximum Capacity Correction Factors for Specific Gravity other than 0.60.
A. WIRING
B. ZONED SYSTEM WIRING
16
6. ELECTRICAL
Canadian Electrical Code
National Electrical Code
17
D. SEQUENCE OF OPERATION
Page
Page
Page
7. START-UP PROCEDURES
A. COMPLETING THE INSTALLATION
21
Page
Page
Figure 7.5: Lighting Instructions
FOR YOUR SAFETY READ BEFORE LIGHTING
LIGHTING INSTRUCTIONS
TO TURN OFF GAS TO APPLIANCE
B. CONTROL DESCRIPTIONS
C. ADJUSTMENT OF GAS PRESSURE REGULATOR
D. ADJUSTMENT OF PILOT GAS FLOW
25
26
E. CHECKING BURNER INPUT
F. CHECK-OUT PROCEDURE
Page
B. TROUBLESHOOTING GUIDES
28
TROUBLESHOOTING
8. TROUBLESHOOTING
TROUBLESHOOTING
Table 8.1: Boiler Troubleshooting Guide
PROBLEM POSSIBLE CAUSES CORRECTIVE ACTIONS
Page
9. MAINTENANCE
A. GENERAL
B. DAILY (WITH BOILER IN USE)
32
C. WEEKLY (WITH BOILER IN USE)
MAINTENANCE
33
E. ANNUALLY (BEFORE START OF HEATING SEASON)
BOILER DIMENSIONS & RATINGS
10. BOILER DIMENSIONS & RATINGS
Figure 10.1:Boiler Views
Table 10.2: Series MI/MIH Boiler Ratings
Table 10.1: Series MI/MIH Boiler Dimensions
SERIES MI/MIH BOILER DIMENSIONS
11. REPAIR PARTS
Table 11.1: Base/Combustible Floor Pan
Table 11.2: Manifold/Gas Train (MI Standing Pilot)
Figure 11.2:Manifold
Table 11.3a: Manifold/Gas Train (MI Intermittent Ignition)
Table 11.3b: Manifold/Gas Train (MIH Intermittent Ignition)
Figure 11.3b: Gas Valve and Pilot Intermittent Ignition
Figure 11.3a: Gas Valve and Pilot Standing Pilot (Continuous Ignition)
Figure 11.4:Block/Draft Hood
Table 11.4a: Block/Draft Hood
Table 11.4b: Flue Baffles for MIH Only
Figure 11.5:Jacket
Table 11.5: Jacket
Table 11.6: Controls/Circulator/Vent Damper
Figure 11.6:Controls/Circulator/Vent Damper
MI/MIH
Boilers
Series
Gas