Raypak WH 0195A - Manual (Page 3)

WARNINGS 4
Pay Attention to These Terms 4
GENERAL SAFETY 5
Time/Temperature Relationships in Scalds 5
RECEIVING EQUIPMENT
6
GENERAL SPECIFICATIONS 6
INSTALLATION 8
Code Requirements 8
Mounting Base 8
Clearances 8
Combustion & Ventilation Air 8
Venting Connections 9
Gas Supply Connections 11
Water Connections & System
Piping
12
Electrical Wiring 13
Wiring Diagram—Standing Pilot—Models
0090, 0135 & 0195
14
Wiring Diagram—IID—Models 0090,
0135 & 0195
15
CONTENTS
3
SERVICING PROCEDURES 16
Sequence of Operation 16
Start-up Procedures 16
Repair Section 22
TROUBLESHOOTING 23
ADJUSTMENTS & REPLACEMENT
OF COMPONENTS
25
Gas Valve Replacement 25
Pilot Burner Cleaning or Replacement
(Standing Pilot)
25
Flame Roll-out Switch
Replacement
25
Vent Thermal Switch
Replacement
25
Ignition Module Replacement 25
Transformer Replacement 25
Circulator Replacement 26
Replacement Parts 26
WARRANTY 27