Raypak 1334001 operating instructions Contents

CONTENTS

WARNINGS	4	Burner Adjustment	34
Pay Attention to These Terms	4	Visual Inspection	34
GENERAL SAFETY	5	Electrical	34
Time/Temperature Relationships in Scalds 6		High Gas Pressure Switch	34
RECEIVING EQUIPMENT	6	Burner Tray Removal	34
Model Identification	6	Gas Valve Removal	34
General Specifications	7	Main Burner And Orifice Removal	35
All Models (Approved)	7	Pilot Removal	35
Hot Water Supply Heaters	7	Combustion Fan Removal	35
INSTALLATION	7	TROUbLESHOOTING	36
Installation Codes	7	Electrical	36
Installation Base	7	Mechanical	37
Clearances	8	WIRING DIAGRAMS	38
Specifications and Dimensions	9	Wiring Diagram—W2/WH2 133	38
Outdoor Water Heaters	12	Wiring Diagram—WH1 0181/0261	39
Combustion Air (Indoor Units Only) Air for		Wiring Diagram—WH1 0331/0401	40
Combustion and Ventilation	12	Wiring Diagram—WH1 0514–0724	41
Venting	13	Wiring Diagram—WH10824–1826	42
Vent Piping	17	Wiring Diagram—WH12100–2500	43
Vent Damper Installation	18	Wiring Diagram—WH13001–4001	44
Plumbing	20	Troubleshooting—Pumps	45
Flow Rates	22	SERVICE AND MAINTENANCE
Piping—Domestic Hot Water Supply		PROCEDURES	45
Heaters	23	Tube Cleaning	45
Piping Diagram—Type WH - Unitemp 80		Burner Tray Removal	46
System	24	Gas Valve Removal	46
Controls—General	25	Gas Valve Adjustment - Robertshaw
Limit Controls	26	(Invensys) 7000 Series 2-Stage Gas Valve
Electrical Connections	27	with Solenoid Valve	46
Location of Controls	28	Main Burner and Orifice Removal	47
START-UP PROCEDURES	30	Pilot Removal and Cleaning	47
Before Start-Up	30	High Limit or Tankstat Removal	47
General	30	Heat Exchanger Removal	47
Initial Start-Up - Pump and Motor	30	Heat Exchanger Re-Assembly	47
Intermittent Pilot System Checkout		Combustion Chamber Removal	48
Procedure (S8600)	32	Control Well Replacement	48
INSPECTION PROCEDURES	32	Tube Replacement	48
Burners	32	Cleaning Flue Gas Passageways	48
Controls	32	REPLACEMENT PARTS	48
Inspection Procedures	33	WARRANTY	50
ADDENDA: LOW NOx HEATERS
Models 0181 to 0401	33
Operation	33
Start-Up Procedures
(S8610B Ignition Module)	33

3