Raypak HI DELTA 302B - Manual (Page 3)

WARNINGS 4
BEFORE INSTALLATION 5
Product Receipt 5
Model Identification 5
Ratings and Certifications 5
Installations at Elevation 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
40
Water Piping 40
Wiring Diagram 45
START-UP 46
Pre Start-up 46
Start-Up 47
OPERATION 50
Lighting Instructions 50
To Turn Off Gas To Appliance 50
TROUBLESHOOTING 51
MAINTENANCE 52
Suggested Minimum
Maintenance Schedule
52
Preventative Maintenance Schedule 52
APPENDIX 54
Inside Air Contamination 54
WARRANTIES 55
Type H and WH 55
Type P 56
Start-Up Checklist 57
Important Instructions for the
Commonwealth of
Massachusetts 58
CONTENTS
3