Raypak B-R259 User Manual


Maximum Equivalent Pipe Length (ft)
Natural Gas 1000 BTU/FT

0.60 Specific Gravity @ 0.5 in. WC Pressure Drop
Propane Gas 2500 BTU/FT

1.53 Specific Gravity @ 0.5 in. WC Pressure Drop
Input 3/4” 1” 1-1/4” 1-1/2”
Model (KBTU) N P N P N P N P
        
         
V:4F?<A864A58HF879BEHCGB9G@4K<@H@?8A:G;9EB@G;8
:4FI4?I8<A477<G<BAGBG;8F87<@8AGGE4C
PIPE SIZING FOR GAS CONNECTIONS
MODEL PIPE SIZE MIN. GPM MAX. GPM*
 VSVV  
 VSVV  
0;8A9?BJE4G8F8K6887@4K<@H@!*'4A8KG8EA4?4HK<?
<4EL 5LC4FF I4?I8 <F E8DH<E87  ,88 8KG8EA4? 5LC4FF I4?I8
F86G<BA9BE78G4<?F
FLOW RATES
HEAT EXCHANGER PRESSURE DROP TABLES
BRASS HEADER
FLOW
GPM
PRESSURE DROP (FT OF HEAD)
259 409

 
 
 
  
  
  
  
  
  
  
  
  
  
INTERNAL AUTOMATIC BYPASS VALVE
 5H<?G<A 4HGB@4G<6 5LC4FF I4?I8 <F CEBI<787 <A G;8
<ABHG;8478E-;8<AG8EA4?5LC4FFI4?I84HGB@4G<64?
?LE8FCBA7FGB6;4A:8F<AJ4G8E9?BJ<AG;8C<C<A:FLF
G8@  *EBC8E 4@BHAG B9 J4G8E <F @4<AG4<A87 G;EBH:;
G;8;84G8EHA78EI4EL<A:9?BJF7<6G4G87 5LG;86BA7<
G<BAFB9G;8CH@C4A79<?G8E
BYPASS
VALVE
BYPASS
SPRING
A4HK<?<4EL5LC4FF I4?I8 F;BH?7 58 HF87 J;8A 9?BJ
E4G8F 8K6887  !*' .FH4??L 4 ;<:;C8E9BE@4A68
CH@CF<M8?4E:8EG;4AGJB;BEF8CBJ8EJ<??8K6887G;<F
9?BJ E4G8 -;<F I4?I8 <F E8DH<E87 GB 6B@C?8@8AG G;8
9HA6G<BA B9 G;8 4HGB@4G<6 5LC4FF I4?I8 C4EG<6H?4E?L
J;8AFG4EG<A:G;8;84G8E<AJ<AG8EBE84E?LFCE<A:J;8A
G;8 FC4 BE CBB? G8@C8E4GHE8 <F 58?BJ N  #G 4?FB
F8EI8F GB 8?<@<A4G8 A887?8FF CE8FFHE8 7EBC G;EBH:;
G;8 ;84G8E 4A7 466B@C4AL<A: E87H6G<BA <A G;8 9?BJ
E4G8GBG;8FC4=8GF8G6
From Heater To Heater
From
Pool/Spa
To
Pool/Spa
AUXILIARY BYPASS VALVE
(DO NOT USE GATE VALVE)
AUXILIARY BYPASS VALVE ADJUSTMENT
-BF8G5LC4FF0<G;6?84A9<?G8E47=HFG@8AG<F@4785L
988?<A:G;8<A?8G4A7BHG?8GC<C8F4GG;8;84G8E)HG?8G
C<C8FF;BH?758F?<:;G?LJ4E@8EG;4A<A?8G4A76B@9BEG
45?8GBG;8GBH6;#9C<C8<F;BG6?BF85LC4FF<96B?7
BC8A5LC4FF
EXTERNAL AUXILIARY BYPASS VALVE
0;8E8+8DH<E87

Raypak B-R259 Specifications

General

Brand	Raypak
Model	B-R259
Category	Gas Heater
Language	English