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Raypak P-R185BL to P-R405BL User Manual

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CONTENTS

3

4

PART ONE
OWNER'S OPERATING INSTRUCTIONS

4

SECTION 1
START-UP PROCEDURES

4

Before Start-Up

5

Lighting Instructions & Shut-Off Procedures-
Manually Lighted Pilots MV

6

Operating Instruction & Shut-Off Procedures-
Automatically Lighted Pilots IID

7

After Start-Up

7

SECTION 2
CAUTION

7

SECTION 3
MAINTENANCE & CARE PROCEDURES

8

Pool & Spa Water Chemistry

8

Cold Weather Operation

9

Winterizing the Pool & Spa Heater

10

PART TWO
INSTALLATION & SERVICE INSTRUCTIONS

10

SECTION 1
RECEIVING EQUIPMENT

10

SECTION 2
GENERAL SPECIFICATIONS

11

SECTION 3
INSTALLATION INSTRUCTIONS

11

Code Requirements

11

Clearances

12

Outdoor Heater Installation

12

Indoor Heater Installation

16

Specifications and Dimensions

16

Combustion Air

17

Vent Piping

17

Gas Supply Connections

19

Plumbing For Water Connections

23

Heat Exchanger Reversal Procedure

24

Electrical Wiring

25

Transformer Wiring

26

Wiring Diagram-Millivolt (Mechanical Therm.)

27

Wiring Diagram-IID (Atmospheric)

28

Wiring Diagram-IID (Low NOx)

29

SECTION 4
SERVICING INSTRUCTIONS

29

General Location of Controls

29

Millivolt Controls

30

Digital Thermostat Controls

31

Digital Diagnostics and Codes

32

Remote Control and Operation Installation

34

Pressure Switch

34

Flame Roll-Out Safety Switch

34

High Limit

34

Pilot Safety

35

Burner Drawer Removal

35

Gas Valve Removal

35

Main Burner and Orifice Removal

35

Pilot Removal and Cleaning

35

Heat Exchanger Removal

36

Tube Cleaning Procedure

36

Desooting Procedure

36

Combustion Chamber Removal

36

Immersion Well Replacement

36

Unitherm Governor (U.G.) Replacement

37

Low NOx Pool Heaters

39

SECTION 5
TROUBLE SHOOTING GUIDE

39

Mechanical

40

Electrical MV Units

41

Electrical IID Units

42

Digital Control Logic

43

SECTION 6
REPLACEMENT PARTS

44

Illustrated Parts List

46

Part Numbers

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