Boiler Applications Drawings - rinnai-lms.com · PDF file3 Boiler Applications Manual...

Boiler Applications Drawings

800000026 Rev D

2 Boiler Applications Manual 800000026 Rev D

Drawing No. Boiler Model Description Information ............................... Q & E Series Boilers ......................................................................................... 3 EVA-10-0001 Rev B ................. Q & E Series Boilers .... Boiler Flat Roof Multiple Termination Spacing Single Row ................................................................... 4 EVA-10-0003 Rev A ................. Q & E Series Boilers .... Boiler Flat Roof Multiple Termination Spacing ....................................... 5 EVA-10-0005 Rev A ................. Q & E Series Boilers .... Boiler Incline Roof Multiple Termination Spacing ....................................... 6 Vent Termination Clearances ... Q & E Series Boilers ......................................................................................... 7 Boiler PVC Venting .................. Q & E Series Boilers ..................................................................................... 8, 9 EPD-09-0001 Rev C ................ E Series Boiler ............. DHW Piping Thermostatic Valve ................................ 10 EPA-09-0001 Rev C ................. E Series Boiler ............ Single Zone ................................................................ 11 QPD-09-0001 Rev C ................ Q175C Boiler .............. DHW Recirculation ..................................................... 12 QPD-09-0002 Rev B ................ Q Series Boiler ............ DHW from Indirect Tank ............................................. 13 QPD-09-0003 Rev B ................ Q Series Boiler ............ Single Zone Priority DHW .......................................... 14 QPD-09-0004 Rev B ................ Q Series Boiler ............. 4 Zone Valve with DHW ............................................. 15 QPA-09-0001 Rev F ................. Q Series Boiler ............. 3 On-Off High Temperature Zones ............................ 16 QPA-09-0002 Rev B ................ Q Series Boiler ............. 3 Way Thermostatic Mixing ........................................ 17 QPA-09-0003 Rev C ................ Q Series Boiler ............. 3 Way Motorized Mixing ............................................. 18 QPA-09-0004 Rev C ................ Q Series Boiler ............. 3 Zone Valve .............................................................. 19 QPA-09-0005 Rev C ................ Q Series Boiler ............. Direct Coupled Radiant .............................................. 20 QPA-09-0006 Rev B ................ Q Series Boiler ............. Single Zone Split Loop ............................................... 21 QPA-09-0007 Rev C ................ Q Series Boiler ............. Snow Melt System ..................................................... 22 QPA-09-0008 Rev D ................ Q Series Boiler ............. 3 Zone Pumps ............................................................ 23 QPA-09-0009 Rev A ................ Q & E Series Boilers .... Condensate Plumbing with and without Neutralizer ..................................................... 24 QPA-10-0001 Rev B ................ Q Series Boilers ........... 3 On-Off High Temperature Zones ............................ 25 QPA-11-0001 Rev B ................ Q Series Boilers ........... 3 Zone Valves with Modulating Pump ........................ 26 QPC-09-0001 Rev C ................ Q Series Boilers ........... 2 Boiler Install ............................................................. 27 QPC-09-0002 Rev C ................ Q Series Boilers ........... 3 Boiler Install ............................................................. 28 QPC-09-0003 Rev C ................ Q Series Boilers ........... 2 Boilers with DHW .................................................... 29 QEC-09-0001 Rev A ................ Q Series Boilers ........... 2 Boilers with DHW Indirect Tank .............................. 30 QED-09-0001 Rev B ................ Q Series Boilers ........... Single Zone Circuit with Priority DHW ....................... 31 QED-09-0002 Rev A ................ Q Series Boilers ........... 4 Zone Valves with Priority DHW ............................... 32 QED-10-0001 Rev A ................ Q Series Boilers ........... Multiple Zone Circuit with Priority DHW ..................... 33 QEA-11-0001 Rev A ................ Q Series Boilers ........... Hydronic Furnace on Low Limit ................................. 34 QEA-11-0002 Rev A ................ Q Series Boilers ........... 3 On-Off High Temperature Zones with Hydronic Furnace on Low Limit .......................... 35 QEA-11-0003 Rev A ................ Q Series Boilers ........... Multiple Hydronic Furnaces ........................................ 36 QEA-11-0004 Rev A ................ Q Series Boilers ........... 2 On-Off High Temperature Hydronic Furnaces ........ 37 LEGEND Rev A ........................ Q & E Series Boilers .... Legend ....................................................................... 38

Contents

Rinnai is continually updating and improving products; therefore, drawings and specifications are subject to change without prior notice. Local, state, provincial and federal codes must be adhered to prior to installation.


Training Before installing the Rinnai Boiler, Rinnai recommends that the installer attend Installation and Service training classes. For further information on boiler programing and settings please contact Rinnai.

Low Limit Switch When using a boiler and an air handler together it is advisable to use a low limit switch to prevent the air handler fan from energizing before the water temperature has increased sufficiently to ensure warm air delivery. A low limit switch which closes at 130°F to supply power to the fan and then opens again at 120°F to disconnect power from the fan should be selected. The low limit switch should be selected with a minimum amp rating sufficient to safely operate with the air handler. Refer to the table below for air handler model and amp rating information. This will ensure that the air handler will deliver comfortable air temperatures at all times.

If a low limit switch is not used then the air handler may deliver cool air for a period of time until the boiler water temperature achieves its set point. The amount of time the boiler takes to achieve the set point can be changed by altering the gradient curve in the boiler. The gradient curve of the boiler parameter 14 can be adjusted 1°F to 28°F per minute. If the heating system is comprised of multiple types of heat emitters this curve should be left near the factory settings that are selected with parameter 2 for the highest temperature type of heat emitter in the system. Increasing the gradient to the maximum will decrease the overall efficiency of the boiler and the system and lead to shorter run times. When the boiler is being used with a system that has both radiant heat and an air handler it is highly recommend that the gradient not be increased to prevent short cycling of the boiler.

Dirt Trap A dirt trap is a device that is used in a closed loop hydronic system to separate out small particles of dirt, sand, solder, rust, and any other impurity that may be circulating through the system. The dirt trap removes these particles in much the same manner that air is separated from the system by a micro bubble air separation device. The particles then collects in the bottom of the dirt trap creating no pressure loss. A dirt trap is an improvement over a typical Y strainer because it will collect smaller particles as well as not creating a pressure drop as the particles falls out of solution. A dirt trap can easily be cleaned through the drain on the bottom of the trap. Both Spirotherm and Caleffi make dirt traps in a variety of sizes capable of suiting all systems.

Information

Air Handler Model Low Limit Switch Minimum Rating (Amps)

AHB45 7

AHB60 7

AHB75 9

AHB90 12


Vent Termination Clearances

For Direct Vent Installations

For Twin pipe systems or Single

pipe (non-direct vent) A below gutters, soil pipes or drain pipes 36” 36” B below eaves, balconies, and porches * 36” 36” C from vertical drain pipes and soil pipes 6” 6” D from internal or external corners 12” 12” E from a terminal facing a terminal and from

a terminal facing a wall 48”

60” for exhaust vents. Intake pipes must be

horizontally offset from the opposing exhaust vent by a minimum of 24”

F vertically from a terminal on the same wall 60” 60”

G horizontally from a terminal on the same wall 12” 12”

H horizontally from a vertical terminal to a wall or parapet 24” 24”

* must be open on a minimum of 2 sides


Boiler PVC Venting

A “T” (3” x 1 ½” x 3”) should be installed to drain condensate in order to maximize the life of the condensate tray in an installation with long runs of PVC venting. Installation

The T should be installed as close as possible to the boiler to ensure most of the condensate from the venting drains back through it rather than the boiler. The T must be installed on a horizontal section of venting with the 1 ½” leg oriented towards the ground. Follow the drawing on the next page for the best location of the T and how to connect it to the boiler condensate drain. The condensate trap must be a minimum of 4” (see drawing on next page).

The condensation drain pipe should be connected to a drain in the building by means of an open connection (air gap, see drawing). An open connection prevents the possibility of drain gases affecting the boiler.

Install the condensation drain pipe according to the applicable rules and regulations.

If the condensate outlet of the boiler is lower than the public sewage system a condensate pump must be used.

The condensate produced by the boiler has a pH value between 3 and 4. Install a neutralization unit if required by the local code. It is recommended, but not required to install a condensate neutralizer.

The exhaust must be pitched a minimum of a 1/4” inch per foot back to the boiler (to allow drainage of condensate).

Contact Rinnai Engineering Department (1-800-621-9419, FAX 678-829-1666) if you have additional questions.

Before putting the boiler into operation the condensate trap on both the venting and the boiler must be filled. Please refer to the boiler installation manual for information on filling the boiler condensate trap. To fill the PVC venting condensate trap pour water into the trap until it begins to drain out of the trap. If the boiler will be installed in a high temperature installation such as baseboard, fill the condensate trap with mineral oil instead of water.

NOTICE

Do not drain the condensation water to the external rain gutter or drain because of the danger of freezing and blockage of the drain. NOTICE


Boiler PVC Venting


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Notes

Boiler Applications Manual 800000026 Rev D

8/2011

Boiler Applications Drawings - rinnai-lms.com · PDF file3 Boiler Applications Manual...

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Transcript of Boiler Applications Drawings - rinnai-lms.com · PDF file3 Boiler Applications Manual...