WARNINGS
4
BEFORE INSTALLATION
5
Product Receipt
5
Model Identification
5
Ratings and Certifications
5
Component Locations
6
General Information
7
GENERAL SAFETY
8
Time/Temperature Relationships in
Scalds
8
INSTALLATION
9
Installation Codes
9
Equipment Base
9
Stacking
9
Clearances
10
Combustion and Ventilation Air
12
Conventional Combustion Air Supply
13
Water Piping
14
Hydronic Heating
16
Gas Supply
20
Electrical Power Connections
22
Field Wiring Connection
23
Venting
25
Changing the Flue Outlet
27
Venting Installation Tips
28
Venting Configurations
28
Controls
33
Outdoor Installation
33
Heater Sequence of Operations
34
87%-Efficiency Boilers –
Special Instructions
39
Water Piping
39
Wiring Diagram
44
START-UP
45
Pre Start-up
45
Start-Up
46
OPERATION
49
Lighting Instructions
49
To Turn Of Gas To Appliance
49
TROUBLESHOOTING
50
MAINTENANCE
51
Suggested Minimum
Maintenance Schedule
51
Preventative Maintenance Schedule
51
APPENDIX
53
Inside Air Contamination
53
WARRANTIES
54
Type H and WH
54
Type P
55
CONTENTS
3