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INSTALLATION & OPERATING
Stainless Steel
Indirect Fired
Storage Water
Heater
Model RSIT30-
RSIT115
WARNING: If these instructions are not followed exactly, a fire or explosion may result
causing property damage, personal injury or death.
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of
this or any other appliance.
WHAT TO DO IF YOU SMELL GAS:
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbor's phone. Follow the gas sup-
plier's instructions.
• If you cannot reach your gas supplier, call the fire department.
Installation and service must be performed by a qualified installer, service agency or
the gas supplier.
This manual should be maintained in legible condition and kept adjacent to the heater or in a safe place for future ref-
erence.
CATALOG NO. 3400.59
INSTRUCTIONS
Effective: 06-01-17
Replaces: New
P/N 241673 Rev. 1
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Summary of Contents for Raypak RSIT30
- Page 1 Stainless Steel Indirect Fired Storage Water Heater Model RSIT30- RSIT115 WARNING: If these instructions are not followed exactly, a fire or explosion may result causing property damage, personal injury or death. Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
- Page 2 Rev. 1 Changes to: New Additions: New Deletions: None...
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Page 3: Table Of Contents
CONTENTS INTRODUCTION .......4 SAFETY WARNINGS ......4 Scalding ............5 Single Wall Heat Exchanger......6 Freeze Protection ........6 SPECIFICATION PERFORMANCE DATA ..........7 Installation ...........8 Component Location ........8 Boiler and Circulator Sizing ......8 Temperature & Pressure Relief Valve ..8 Plumbing .............8 Controls .............11 START UP ........13 Purging the System ........13 Flushing the System........13 Checking Circulator ........13... -
Page 4: Introduction
INTRODUCTION The Raypak indirect water heater uses heat from a boiler to heat domestic water. The heat is transferred to the water by a coil heat exchanger inside of the tank. The indirect storage tank stores the energy from the boiler for use later. -
Page 5: Scalding
About 30 seconds the manufacturer’s warranty. Debits for defective re- 135°F About 10 seconds placement parts will not be accepted. Parts will be re- placed in kind only per Raypak’s standard warranties. 140°F Less than 5 seconds Scalding 145°F Less than 3 seconds 150°F... -
Page 6: Single Wall Heat Exchanger
Single-Wall Heat Exchanger Freeze Protection The water heater and water lines must be protected This Indirect fired water heater uses a single-wall heat from exposure to freezing temperatures. Freezing tem- exchanger. In order for this water heater to meet the re- peratures can cause damage to this indirect water quirements of the Uniform Plumbing Code, the following heater. -
Page 7: Specification Performance Data
(IN.) / (mm) (IN.) / (mm) (IN.) / (mm) (IN.) / (mm) (IN.) / (mm) Outlet (lb) / (kg) (lb) / (kg) Connections RSIT30 48 (21.8) 270 (123) 3/4 NPT 1 NPT 20.1” (510) 39.6” (1006) 2.2” (56) 30.9” (785) 9.4” (239) 22”... -
Page 8: Installation
One wrench should be used to support the tank fitting from rotating; the other wrench will be used The ratings published in this manual for your Raypak to rotate and tighten the plumbing fitting. It is recom- indirect water heater can be obtained through proper mended to use shutoff valves on this tank for servicing. - Page 9 PRESSURE GAUGE CHECK VALVE SEPARATOR (S3) SYSTEM FROM BALL XPAK FT PUMP SYSTEM SYSTEM VALVE BOILER SENSOR BALL SYSTEM 12” MAX APART VALVE DRAIN BALL VALVE MAKE UP WATER PRESSURE REDUCING VALVE BALL VALVE OUTLET INDIRECT FIRED STORAGE WATER HEATER EXPANSION TANK OUTLET...
- Page 10 (S3) PRESSURE FROM SYSTEM SYSTEM GAUGE XPAK FT SYSTEM 12” MAX APART SENSOR PUMP BOILER BALL SYSTEM VALVE DRAIN CHECK VALVE BALL VALVE MAKE UP WATER (S6) IND SUPPLY SENSOR OUTLET INDIRECT FIRED STORAGE WATER HEATER OUTLET T&P GAUGE EXPANSION MIXING TANK VALVE...
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Page 11: Controls
Controls A Control system is required for this indirect water heater to function correctly. Some possible control schemes are explained below. The particular control scheme will depend upon the specific installation. This indirect water heater can be connected to any Ray- pak boiler that is equipped with a VERSA control. - Page 12 Figure 7 is a controls diagram for a boiler that is always on, maintaining hot water in the boiler loop. The aquas- tat turns on a circulator to induce boiler water flow through the indirect water heater. FIELD INSTALLED 24VAC Boiler Maintaining 180ºF Fig.
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Page 13: Start Up
Verify the Water Temperature debris and residues from inside the piping and tank be- Raypak recommends that the water temp be verified at fore the water heater will be put to use by the customer. the point of use. First, let the indirect water heater come To flush the system, open one of the hot water valves to temperature. -
Page 14: Maintenance & Troubleshooting
MAINTENANCE & TROUBLESHOOTING The Raypak indirect storage water heater requires little maintenance. Below is a list of maintenance tasks that should be performed annually. • Visually check for leaks in the system. This includes the domestic water piping, boiler piping, relief valve, and the handhole cover at the top of the tank. -
Page 15: Parts
PARTS Below is a list of the replacement parts for the Stainless Steel Indirect Water Heater. IPL diagram showing replacement parts:... -
Page 16: Warranty
LIFETIME RESIDENTIAL LIMITED WARRANTY COVERAGE – as long as the indirect water heater is installed in a single family dwelling owned by its original owner/end user, Raypak will furnish a replacement unit (if the tank leaks) provided the unit has not been moved from the original installation site or been rendered inoperable by an event listed in the Warranty exclusions section of this Limited Warranty. - Page 17 EXCLUSIVE WARRANTY• LIMITATION OF LIABILITY This Limited Warranty is the only Warranty given by Raypak Inc. (Raypak) for this indirect water heater. No one is authorized to make any other warranties on behalf of Raypak. ANY IMPLIED WARRANTIES, INCLUDING MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE, SHALL NOT EXTEND BEYOND THE APPLICABLE WARRANTY PERIODS SPECIFIED PREVIOUSLY.
- Page 20 Raypak, Inc., 2151 Eastman Avenue, Oxnard, CA 93030 (805) 278-5300 Fax (805) 278-5468 Litho in U.S.A.
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