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P-R336A-EN-C
Raypak P-R336A-EN-C User Manual
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31
SECTION
4
-
SERVICING
INSTRUCTIONS
GENERAL LOCA
TION
OF
CONTROLS
A
TMOSPHERIC
206A-406A
LO
NOx
207A-407A
AFT Thermostat
Circuit
Board
Drain
Plug
(Located
in rear
header)
Unitherm
Governor
Mounted
On T
op
Of Head
er
HL1
- High
Limit
H
L2
- High
Limit
Pressure
Switch
T
emp Sensor/Well
Pilot
Roll-Out
Switch
Gas V
alve
T
ransformer
Drain
Plug
Drain
Plug
(Located
in rear
header)
Unitherm
Governor
Mounted On
T
op
Of Header
HL1 -
High
Limit
HL2 -
High
Limit
Pressure Switch
T
emp
Sensor/Well
Pilot
Roll-Out
Switch
(Manual)
Gas V
alve
T
ransformer
Draw Plug
Air
Switch
Blower
Hose
Blower
AFT Thermostat
Circuit Board
30
32
Table of Contents
Table of Contents
3
Part One
4
Owner's Operating Instructions
4
Start-Up Procedures
4
Before Start-Up
4
Lighting Instructions & Shut-Off Procedures
5
After Start-Up
7
Pool & Spa Water Chemistry
8
Automatic Chlorinators & Chemical Feeders
8
Cold Weather Operation
9
Winterizing the Pool & Spa Heater
9
Part Two
10
General Specifications
11
Installation Instructions
11
Code Requirements
11
Clearances
12
Outdoor Heater Installation
12
Florida and Texas Building Codes
14
Indoor Heater Installation
15
Outdoor Stack/Indoor Stack
15
Combustion and Ventilation Air
18
Vent Piping
18
Gas Supply Connections
19
Gas Pressure Regulator
20
Gas Pressure Adjustment Locations
20
Pipe Sizing for Gas Connections
20
Flow Rates
21
Heat Exchanger Pressure Drop Tables
21
Polymer Headers
22
Cast Iron Headers
22
Unitherm Governor Operation
22
Internal Automatic Bypass Valve
23
External Auxiliary Bypass Valve
23
Auxiliary Bypass Valve Adjustment
23
Pressure Relief Valve Installation
23
Plumbing-Water Connections
24
Heat Exchanger Reversal Procedure
25
Electrical Wiring
26
Millivolt Models
26
Advanced Flame Technology (AFT) Models
26
Transformer Wiring
27
Wiring Diagram - Millivolt (Mechanical Therm.)
28
Servicing Instructions
31
General Location of Controls
31
Control Panel Removal
32
Control Adjustments - AFT Models
32
Control Adjustments - Millivolt Models
32
Status and Diagnostics
35
Remote Control Installation and Operation
36
Remote Operation
36
Activating the Remote
36
Remote Control Wiring
37
Time Clock/Fireman's Switch
38
Water Pressure Switch
38
Flame Roll-Out Safety Switch
38
High Limits
38
Pilot Safety
39
Burner Tray Removal (ATM)
39
Gas Valve Removal (ATM)
39
Main Burner and Orifice Removal (ATM)
39
Pilot Removal and Cleaning
39
Heat Exchanger Removal
40
Tube Cleaning Procedure
40
Desooting Procedure
40
Combustion Chamber Removal
40
Immersion Well Replacement
40
Unitherm Governor (U.G.) Replacement
41
Lo Nox Pool Heaters
41
Operation
41
Start-Up Procedures
41
Visual Inspection
41
Electrical
41
Flame Roll-Out Safety Switch
41
Burner Tray Removal
42
Gas Valve Removal
42
Main Burner and Orifice Removal
42
Pilot Removal
42
Combustion Blower Removal
42
TROUBLESHOOTING Mechanical
43
Electrical - Standing Pilot Millivolt
44
Electrical - Electronic Ignition IID
45
Control Logic - Flow Chart
46
Replacement Parts
47
4
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Raypak P-R336A-EN-C Specifications
General
Brand
Raypak
Model
P-R336A-EN-C
Category
Gas Heater
Language
English
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