Raypak 402 User manual

Condensing High-efficiency System
for Pool, DHW and Heating
• 98% thermal efficiency at full fire
• Top or rear CHX mounting options: low
profile or small footprint, your choice!
• 399,000 - 1,999,000 BTUH in single-
heater configurations; up to 4,000,000
BTUH using racked heater / CHX systems
• Improved load-tracking with up to
eight firing stages
• Self-contained secondary heat exchanger
can be inspected and maintained without
disturbing the vent or plumbing
connections
• Exceeds all NOx emission standards
• Straight tube heat exchanger outlasts
other designs and facilitates scale-free
operation – ideal for DHW applications
• Fully-engineered rack systems simplify
jobsite installation and set-up
• Indoor / Outdoor installation
• Fully certified vent systems available
• Full range of control options offering
Building Management System compati-
bility and single-source accountability
• Front-access heater controls, burner and
heat exchanger
Top-mounted CHX shown
The Raypak Hi Delta with CHX achieves an unequaled 98% thermal efficiency at full fire. It combines
the reliability of the Hi Delta heater with an optional CHX heat exchanger which prevents condensation
in the heater’s primary combustion chamber. The result – an ultra high efficiency heater that lasts.
WITH CHX
LonWorks®
compatible with
Raypak Y-200
heater control
FROM THE HOT WATER MANAGEMENT EXPERTSSM
402through2002
Models
HI DELTA™ with CHX

Top-mounted CHX
DHW (dual pump) piping shown
Rear-mounted CHX
Pool Heating or Low-temperature System
(primary/secondary) piping shown
Stacked Boilers and CHXs
Space Heating (primary/secondary)
piping shown
RAYPAK, INC.
2151 Eastman Avenue • Oxnard, CA 93030
805-278-5300 • Fax [phone]
Raypak, Inc. reserves the right to make product changes or improvements at any time without notice. Catalog No.: 1000.17C Effective: 02-15-08 Replaces: 09-01-06 Litho in U.S.A. ©2008 Raypak, Inc.
THE HOT WATER MANAGEMENT EXPERTSSM www.raypak.com
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VentSystem Flexibility