Raypak 302B, 902B manual Contents

CONTENTS

WARNINGS	4	Controls	33
BEFORE INSTALLATION	5	Outdoor Installation	33
Product Receipt	5	Heater Sequence of Operations	34
Model Identification	5	87%-Efficiency Boilers –
Ratings and Certifications	5	Special Instructions	40
Installations at Elevation	5	Water Piping	40
Component Locations	6	Wiring Diagram	45
General Information	7	START-UP	46
GENERAL SAFETY	8	Pre Start-up	46
Time/Temperature Relationships in		Start-Up	47
Scalds	8	OPERATION	50
INSTALLATION	9	Lighting Instructions	50
Installation Codes	9	To Turn Off Gas To Appliance	50
Equipment Base	9	TROUBLESHOOTING	51
Stacking	9	MAINTENANCE	52
Clearances	10	Suggested Minimum
Combustion and Ventilation Air	12	Maintenance Schedule	52
Conventional Combustion Air Supply	13	Preventative Maintenance Schedule	52
Water Piping	14	APPENDIX	54
Hydronic Heating	16	Inside Air Contamination	54
Gas Supply	20	WARRANTIES	55
Electrical Power Connections	22	Type H and WH	55
Field Wiring Connection	23	Type P	56
Venting	25	Start-Up Checklist	57
Changing the Flue Outlet	27	Important Instructions for the
Venting Installation Tips	28	Commonwealth of
Venting Configurations	28	Massachusetts	58

3