Raypak 122-322 manual Contents

CONTENTS

WARNINGS	4	Main Burner Adjustment	37
Pay Attention to These Terms	4	Safety Inspection	37
BEFORE INSTALLATION	5	Follow-Up	38
Product Receipt	5	POST START-UP CHECK	38
Model Identification	5	OPERATION	38
Ratings and Certifications	5	Operating Instructions	38
Installations at Elevation	5	To Turn Off Gas To Appliance	39
Component Locations	6	MAINTENANCE	39
General Information	7	Suggested Minimum Maintenance
Time/Temperature Relationships in Scalds 8		Schedule	39
GENERAL SAFETY	8	APPENDIX	40
Clearances	9	Inside Combustion Air Contamination	40
Equipment Base	9
INSTALLATION	9
Installation Codes	9
Combustion and Ventilation Air	11
Conventional Combustion Air Supply	11
Water Piping	12
Hydronic Heating	13
Domestic Hot Water Piping	15
Pool Heating	17
Gas Supply	17
Electrical Power Connections	19
Venting	21
Outdoor Installation	32
High Limit (Manual Reset)	33
Flow Switch	33
CONTROLS	33
Ignition Control Module	33
Low Water Cut Off (Optional)	34
Operating Control	34
WIRING DIAGRAM—MODELS 122
–322	35
PRE-START-UP	36
Filling System-Heating Heaters	36
Domestic Hot Water Heaters	36
Inspect Venting System	36
For Your Safety Read Before Lighting	36
Pre-Start-Up Check	36
INITIAL START-UP	36
Tools Needed	36
Preparation for Start-Up	36
Start-Up	37

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