ICP N9MSE Installation Insrtuctions

A series singe-stage, psc blower motor 35" tall, high efficiency condensing gas furnace

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Service and technical support manual (27 pages)

Installation instructions manual (56 pages)

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These instructions must be read and understood completely before attempting installation.

Safety Labeling and Signal Words

DANGER,

WARNING,

CAUTION,

and NOTE

The

signal

words

DANGER,

WARNING,

CAUTION,

and NOTE are used to identify levels of

hazard seriousness.

The signal word DANGER

only used on product labels to signify an immediate

hazard.

The signal words WARNING,

CAUTION,

and NOTE

will be used

on product

labels

and

throughout

this manual and other manual that may

apply to the product.

DANGER

- Immediate

hazards which will result in

severe personal

injury or death.

Signal

Words

in Manuals

The signal word WARNING

is used throughout

this manual

in the following

manner:

The signal word CAUTION

is used throughout

this manual

in the following

manner:

WARNING

- Hazards

or unsafe

practices

which

could result in severe personal

injury or death.

CAUTION

- Hazards

or unsafe

practices

which

may result in minor

personal

injury or product

property

damage.

NOTE - Used to highlight

suggestions

which will

result

enhanced

installation,

reliability,

operation.

TABLE

OF CONTENTS

Signal

Words

on Product

Labeling

Signal words are used in combination

with

colors and/or

pictures

or product

labels.

Safety-alert

symbol

When you see this symbol

on the unit and in

instructions

manuals,

be alert

the

potential for personal

injury.

SAFETY CONSIDERATIONS

..............................

INTRODUCTION

.........................................

CODES AND STANDARDS

................................

ELECTROSTATIC

DISCHARGE

(ESD) PRECAUTIONS

.......

DIMENSIONS

NEW 6/7/12 ................................

LOCATION

..............................................

LOCATION RELATIVE TO COOLING EQUIPMENT

...........

AIR FOR COMBUSTION

AND VENTILATION

................

CONDENSATE

TRAP

....................................

INSTALLATION

..........................................

UPFLOW INSTALLATION

.................................

DOWNFLOW

INSTALLATION

..............................

HORIZONTAL

INSTALLATION

.............................

FILTER ARRANGEMENT

.................................

AIR DUCTS

.............................................

IS0 9001

Use of the AHRI Certified TM Mark indicates

manufacturer's

participation

in the program.

For verification

of certification

for individual

products,

go to www.ahddirectory,org

GAS PIPING .............................................

ELECTRICAL

CONNECTIONS

.............................

J-BOX

INSTALLATION

...................................

VENTING

...............................................

SPECIAL VENTING REQUIREMENTS

FOR INSTALLATIONS

IN CANADA

........................

DIRECT VENT / 2-PIPE SYSTEM ..........................

VENTILATED

COMBUSTION

AIR ..........................

TERMINATION

REQUIREMENTS

FOR THE PROVINCES OF ALBERTA

AND SASKATCHEWAN

...................................

INSTALLING THE VENT TERMINATION

....................

MAXIMUM EQUIVALENT

VENT LENTH - FEET (METERS) ....

MAXIMUM ALLOWABLE

EXPOSED VENT

LENGTHS IN UNCONDITIONED

SPACE ...................

INSTALLER:

Affix these instructions on or adjacent to the

furnace.

CONSUMER:

Retain

these

instructions

for

future

reference.

Portions

of the text and tables are reprinted from NFPA 54/ANSI

Z223.t -2009_,

with permission

of National

Fire Protection

Association,

Quincy, MA 02269 and American

Gas Association,

Washington,

20001.

This reprinted

material is not the complete

and official position of the NFPA or ANSI, on the referenced

subject,

which is represented

only

by the standard

in its entirety,

Printed inU.S.A.

440 01 4101 03 Aug.

2012

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Summary of Contents for ICP N9MSE

Page 1 These instructions must be read and understood completely before attempting installation. Safety Labeling and Signal Words DANGER, WARNING, CAUTION, and NOTE Signal Words in Manuals signal words DANGER, WARNING, The signal word WARNING is used throughout CAUTION, and NOTE are used to identify levels of this manual in the following manner:...
Page 2 Required Notice for Massachusetts Installations Important The Commonwealth of Massachusetts requires compliance with regulation 248 CMR as follows: 5.08: Modifications to NFPA-54, Chapter 10 2) Revise 10.8.3 by adding the following additional requirements: For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or in part for residential purposes, including those owned or operated by the Commonwealth and where the side wall exhaust vent termination is less than seven (7) feet...
Page 3 changing residential construction practices. We require these Safety Considerations instructions as a minimum for a safe installation. Follow all safety codes. Wear safety glasses, protective clothing, and work gloves. Have a fire extinguisher available. Read these instructions thoroughly and follow all warnings or cautions included in literature and attached to the unit.
Page 4 NOTE: Remove all shipping materials, parts assemblies and accessory gas conversion kit is required to convert literature before operating the furnace. furnace for use with propane gas. See Table 1 for required clearances to combustible I Freeze Protection and Return Air construction.
Page 5 Combustion and Ventilation Air Disconnect power furnace. Multiple disconnects may be required. DO NOT TOUCH THE CONTROL OR ANY WIRE CONNECTED TO THE • US: Section 9.3 ofthe NFPA54/ANSI Z223.1-2009, CONTROL PRIOR TO DISCHARGING YOUR BODY'S Air for Combustion and Ventilation ELECTROSTATIC CHARGE TO GROUND.
Page 6 19-3/8 (492) 19-1/2 (495) 10-1/2 (267) 169 (76) 1202420 24-1/2 (622) 22-7/8 (581) 23 (584) 12-1/4 (311 ) 186 (84) N9MSE SHIP WT. CABINET BOTTOM FURNACESIZE OUTLET WIDTH AIR INTAKE LB (KG) WIDTH INLET WIDTH 0401410 14-3/16 (361) 12-1/2 (319)
Page 7 Location be located close to the chimney or vent and attached to an air distribution system. Refer to Air Ducts section. be provided ample space for servicing and cleaning. Always comply with minimum fire protection clearances shown in Table 1 or on the furnace clearance combustible construction label.
Page 8 Figure 3 1Multipoise Orientations AIRFLOW THE BLOWER IS LOCATED BELOW THE BURNER SECTION, AND CONDITIONED AIR IS DISCHARGED UPWARD. THE BLOWER IS LOCATED TO THE RIGHT OF THE BURNER SECTION, AND CONDITIONED AIR IS DISCHARGED TO THE LEFT. HORIZONTAL RIGHT1AIF F_LC w THE BLOWER IS THE BLOWER IS LOCATED TO THE LEFT...
Page 9 Location Relative to Cooling Equipment FURNACE CORROSION HAZARD The cooling coil must be installed parallel with, or on the Failure to follow this caution may result in furnace downstream side of the unit to avoid condensation in the heat damage. exchangers.
Page 10 The Standard Method: ONE OUTDOOR OPENING requires: a. 1 sq. in. (25.4 square mm)of free area per 3,000 Btuh The space has no less volume than 50 cubic feet per (734 mm2/kW) for combined input of all gas 1,000 Btuh (4.8 cubic meters per kW) of the maximum appliances in the space per Table 3 and input ratings for alt gas appliances installed in the space b.
Page 11 In spaces that use the Indoor Combustion Air Method, Air for Combustion, V entilation, infiltration should be adequate to provide air for Figure7 and Dilutionfrom Indoors combustion, permanent ventilation and dilution of flue gases. However, in buildings with unusually tight CIRCULATING VENT construction,...
Page 12 Table 4 Minimum Space Volumes for 100% Combustion, Ventilation and Dilution Air from Outdoors OTHER THAN FAN-ASSISTED TOTAL FAN-ASSISTED TOTAL (1,000'S BTUH GAS INPUT RATE) (1,000'S BTUH GAS INPUT RATE) Space Volume Ft 3 (U 3) 1,050 1,400 1,750 1,400 1,500 2,000 2,500...
Page 13 Figure 9 Unconverted Factory Configuration as viewed in the Downflow Orientation Remove pressure switch tube from front pressure switch and discard. A new tube is shipped in the loose parts Remove tube from relief port. tief emovethe screw that secures the trap to the collector box and remove trap.
Page 14 Condensate Trap - Horizontal Orientation The condensate trap extends below the side of the When the furnace is installed in the horizontal right position, the casing in the horizontal position. A minimum of 2-in. condensate trap will be initially located at the bottom of the (51 mm) of clearance is required between the casing collector box, as received from the factory.
Page 15 Horizontal R ightTrap Configuration(CONTINUED) NOTE: Remove knockout in casing before re-installing the condensate trap. Slide relief tube in stand-offs to adjust length. Vent elbow shown in alternate orientation. Tighten clamp on trap with screw to ttach condensate inlet to vent elbow 15 lb.-in. collector box.
Page 16 Horizontal Left Trap Configuration (CONTINUED) NOTE: Remove knockout in casing before re-installing condensate trap. Install two plugs previously removed in open ports on collector box. otate elbow to desired position and torque clamp Connect relief tube to port on inlet 15 lb.-in. on collector box.
Page 17 building codes. A factory-supplied 1/2-in. CPVC to 3/4-in PVC 6. From the outside of the casing, insert the angled end of adapter is supplied in the loose parts bag for use as required. the "Z" pipe through drain hole in the left side of the casing and behind the inducer or gas valve.
Page 18 2. To allow for servicing the trap, the condensate drain Figure Modify Rubber Drain Elbow elbow in the loose parts bag can be used to make a Cut line for left side condensate drain. coupler to allow for future service of the condensate trap Do not discard parts after cutting, and drain line.
Page 19 Figure 16 Formed Rubber Drain Grommet Figure 1Furnace Pitch Requirements INSTALL CLAMPS ON DRAIN ELBOW LEVEL 0-IN. (0 MM) TO ATTACH DRAIN ELBOW CONDENSATE 1/2-iN. (13 MM) MAX DRAIN TRAP i" PULL DRAIN STUB MIN 1/4-1N.(6 MM) TO THROUGH CASING, l/2qN.
Page 20 Install another nut on other side of furnace base. (Install Figure JRemoving Bottom Closure Panel flat washer if desired.) • Adjust outside nut to provide desired height, and tighten inside nut to secure arrangement. ,d,°f Reinstall bottom closure panel if removed. DOWN FLOW INSTALLATION NOTE: The furnace must be pitched as shown in Figure 18 for proper condensate...
Page 21 subbase, or a factory-approved air conditioning coil casing. DO The return-air duct must be connected to return-air opening NOT cut main furnace casing to attach supply side air duct, (bottom inlet) as shown in Figure 27. DO NOT cut into casing humidifier, or other accessories.
Page 22 i Table 5 Opening Dimensions - in. (mm) FURNACE PLENUM OPENING FLOOR OPENING CASI NG WIDTH APPLICATION IN, (mm) 12-11/1 Upflow Applications on Combustible or Noncombustible Flooring 21-5/8 13-5/16 22-1/4 (subbase not required) (322) (549) (338) (565) Downflow Applications on Noncombustible Flooring 12-9/16 13-3/16...
Page 23 Bottom Return Air Inlet These furnaces are shipped with bottom closure panel installed in bottom return-air opening. Remove and discard this panel MINOR PROPERTY HAZARD when bottom return air is used. To remove bottom closure Failure to follow this caution may result in minor property panel, perform the following: damage.
Page 24 Figure I Working Platform for Attic Installation COMBUSTION - AIR PIPE VENT (SEE VENTING SECTION) (305 mm) MIN HORIZONTAL PIPE SECTION IS RECOMMENDED WITH A SHORT (5 TO 8 FT / 1.5 TO 2.4 M) VENT SYSTEM TO REDUCE EXCESSIVE CONDENSATE DROPLETS FROM...
Page 25 Furnaces shipped without a filter rack: Filter and Return Duct Sizing There are no provisions for an internal filter in these furnaces. Pressure drop must be taken into account when sizing filters, An external filter rack is required and is purchased separately. filter racks, IAQ devices, and associated system ductwork.
Page 26 Table 7 Filter Media Pressure Drop (Clean) Versus Airflow - in wc (Pa) Representative After-Market Filter Media* Factory-Accy Pleated* 14 x 25 Filter Washable Fiberglass* (1-in./2.5 / 5 cm) (1-in./2.5 (2-in./5 (1-in./2.5 (2-in. (40) 0.04 (12) (283) 0.07 (17) 0.10 (26) 0.24 (60)
Page 27 External Filter Cabinet Configurations Figure 27 J Downflow Return Air Configurations and Restrictions Figure 30 Accessory Bottom Filter Rack RETURN ....... _/z/i ......SIDE RETURN PERMI]qED FOR ANY MODEL ® ® ® SIDE RETURN NOT PERMITTED FOR ANY MODEL i s_LY L,0F033 Upflow Return Air Configurations...
Page 28 Systems Design Guidelines reference tables available from Figure 31 JAccessory Side Filter Rack your local distributor. The duct system should be sized to handle the required system design CFM at the design external static pressure. The furnace airflow rates are provided in the Service and Technical Support Manual.
Page 29 Table Maximum Capacity of Pipe NOMINAL INTERNAL LENGTH OF PIPE - FT (a) IRONPIPE FIRE OR EXPLOSION HAZARD SIZE DIA, IN.(MM) IN.(MM) (3.0) (6.0) (9.1) (12.1) (15.2) Failure to follow this warning could result in personal injury, death, and/or property damage. 1/2 (13) 0,622 (158) Gas valve inlet and/or inlet pipe must remain capped...
Page 30 ELECTRICAL CONNECTIONS Figure 33 I Gas Valve - Single Stage ON/OFF Switch ELECTRICAL SHOCK HAZARD Regulator Seal Cap Failure to follow this warning could result in personal Regulatol Adjustment Regulator Sea_ Cap l_nder Cap injury or death. Blower door switch opens 115-v power to control. No component operation can occur.
Page 31 FIRE HAZARD Failure to follow this warning could result in personal SWITCH injury, death, or property damage. Do not connect aluminum wire between disconnect ® switch and furnace. Use only copper wire. Al1146 Use a separate, fused branch electrical circuit with a properly sized fuse or circuit breaker for this furnace.
Page 32 Figure J-Box Bracket Installation Figure 38 I Field-Supplied Furnace Casing Electrical Box on J-BOX MOUNTING SCREWS J-BOX MOUNTING "--.. BRACKET GROUNU NEUTRAb GROUND SCREW ", J-BOX COVER L12F025 A10141 Remove the J-Box cover and mounting bracket from the loose Power Cord Installation in Furnace J-Box parts bag.
Page 33 Thermostats and Control Settings NOTE: A field-supplied, 115-v controlled relay connected to N9MSB & N9MSE Single-Stage Furnaces EAC terminals may be added if humidifier operation is desired A single stage heating and single-stage cooling thermostat during blower operation. may be used with the furnace. Refer to typical thermostat wiring...
Page 34 Figure 39 1Isolation Relay for Humidifiers with Internal Power Supply To HUM 24 VAC Terminal To Humidifier Leads On Furnace Control Board 24 V Coil To Humidifier Leads To C Screw Terminal on Thermostat Strip Al1157 Figure 40 Example of Single Stage Furnace Control for PSC Blower Motor HEAT TWINNING AND/OR...
Page 35 VENTING PVC/CPVC, Purple pour evacuation des gaz de combustion et systeme IPEX 636(1)t, ciment PVC pour evacuation des gaz NOTE: Planning for the venting system should be done in de combustion, cote classe IIA, 65 deg C. doivent _tre utilises conjunction with planning for the ductwork,...
Page 36 General Venting Systems If this furnace replaces a furnace that was connected to a vent system or chimney, the vent or vent connectors of other remaining appliances may need to be re-sized. Vent systems or vent connectors of other appliances must be sized to the CARBON MONOXIDE POISONING HAZARD minimum size as determined using appropriate...
Page 37 attenuation. To aid sound attenuation, point the inlet air pipe away from occupants. An extra elbow and/or five feet (1.5 M) of pipe be used to accomplish sound attenuation OPTIONAL CONFIGURATION FOR COMBUSTION function. AIR INLET PIPE In applications where there is a risk of excessive mois- ture entering the combustion air inlet pipe, a moisture OPTIONAL VENTING BELOW THE FURNACE trap may be added to the inlet pipe to help prevent...
Page 38 Table Approved Combustion-Air and Vent Pipe, Fitting and Cement Materials (U.S.A. Installation) ASTM SPECIFICATION SOLVENT CEMENT AND MATERIAL PIPE FITTINGS DESCRIPTION PRIMERS (MARKED ON MATERIAL) D1527 Schedule-40 Pipe D1785 Schedule-40 Pipe D2235 For ABS Solvent Cement For ABS D2241 SDR-21 &...
Page 39 Locating the Vent Termination General CARBON MONOXIDE POISONING HAZARD NOTE: Termination Requirements for the Provinces Failure to follow the instructions outlined below for Alberta and Saskatchewan are located at the end of this section. each appliance being placed into operation could result in carbon monoxide poisoning or death.
Page 40 permitted) that re-directs the flue gas away by use of an elbow Sample Inlet Air Pipe Connection or tee, certified to ULC S636 from the adjacent property line Figure 45 for Polypropylene Venting Systems must be used. (See Figure 44 and Figure 46) EXAMPLE FOR The concentric vent kit currently cannot be modified to attach UPFLOW INSTALLATIONS.
Page 41 Figure47 _Combustion Air and Vent Pipe Termination for Direct Vent (2-Pipe) System Roof Termination (Preferred) Note: 36-in separation between pairs of inlets only required Note: for direct-vent systems east36 .... Vertical separation between "A" denotes 0 To 2 in (51 mm) combustion air and vent Between...
Page 42 deductions from the Maximum Equivalent Vent Length (MEVL) contained in the Venting Tables for elbows and flexible vent pipe. Factory accessory concentric vent terminations, or pipe OPTIONAL CONFIGURATION FOR COMBUSTION lengths and elbows used for "standard" vent terminations (see AIR INLET PIPE vent termination figures associated...
Page 43 Figure 49 Optional Combustion Air Inlet Moisture Trap ® ® ® ® ® ® TO CODE-APPROVED DRAIN OR CONDENSATE PUMP Representative drawing only, some models may vary in appearance L12F028 Combustion Air and Vent Piping Insulation Configure the Furnace Guidelines NOTE: Use closed cell, neoprene insulation or equivalent.
Page 44 The vent elbow can be rotated to the required location on the Upflow Configurations (CONTINUED) casing if necessary. See Figure 50 to rotate the vent elbow: 1. Loosen the clamp on the inlet of the vent elbow attached to the inducer. 2.
Page 45 Downflow Configurations (CONTINUED) Horizontal Left Configurations (CONTINUED) Rotate vent elbow to required position, ALTERNATE COMBUSTION DOWNFLOW RIGHT - VENT CONFIGURATION Representative drawing only, some models may vary in appearance. Alt3t2 A11328 HORIZONTAL LEFT - LEFT VENT CONFIGURATION Representative drawing only, some models may vary in appearance. ©...
Page 46 Installing the Vent Pipe Adapter Horizontal Right Configurations (CONTINUED) Combustion Air Pipe Adapter CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death. To route the vent pipe and combustion air pipe through the furnace, the manufacturer supplied kit must be...
Page 47 Install theremaining vent a ndcombustion airpipes asshown below. It is recommended thatallpipes becut,prepared, and preassembled before p ermanently cementing anyjoint. 1.Working f romfurnace to outside, cutpipeto required CARBON MONOXIDE POISONING HAZARD length(s). Failure to follow this warning could result in personal 2.
Page 48 NOTE: Follow instructions vent terminal manufacturer. These instructions are provided as a reference only. CARBON MONOXIDE POISONING HAZARD Cut one 4-in. (102 mm) diameter hole for 2-in. (50 mm ND) kit, or one 5-in. (127 mm) diameter hole for 3-in. (80 mm ND) kit in Failure to follow this warning could result in personal the desired location.
Page 49 5. Disassemble loose pipe fittings. Clean andcement using 4. Disassemble loose pipe fittings. Clean and cement using sameprocedures asusedforsystem piping. D ONOT same procedures as used for system piping. DO NOT CEMENT POLYPROPYLENE FITTINGS. CEMENT POLYPROPYLENE FITTINGS. Two-Pipe and Single-Pipe Vent Termination (Direct Vent / Two-Pipe System ONLY)
Page 50 Figure 56 1Crawl Space Vent Termination Ventilated Combustion Air intake pipe Pipe hangar '_" (76 mm) Ventilated Combustion Air 12" (305 mm) intake termination in crawl space CRAWL SPACE Figure 57 l Attic Vent Termination Ventilated Combustion Air intake pipe Vent throuhgb__._ roof flashing ATTIC...
Page 51 Figure58 AREAWHERE TERMINAL IS NOT PERMITED VEHTTERMINAL \\\X _/_ AIR SUPPLYINLET 25-24-65-2 NOTE: The following is based upon National codes for gas appliances, and is provided as a reference. Refer to Local codes which may supersede these standards and/or recommendations. Canadian Installations {1) U.S.
Page 52 Figure 59 1Other than Direct Vent Clearance - Ventilated Combustion Air Option VENT TERMINAL qXi AIR SUPPLY INLET AREA WHERE TERMINAL IS NOT PERMITED 25-24-55-2 NOTE: The following is based upon National codesfor gas appliances, and is provided as a reference. Refer to Local codes which may supersedethese standards and/or recommendations.
Page 53 Table 14 N9MSB & N9MSE - MAXIMUM EQUIVALENT VENT LENGTH - Feet (Meters) Note: Maximum Equivalent Vent Length (MEVL) does NOT include elbows or terminations Use Table 15 - DEDUCTIONS FROM MEVL to determine allowable vent len,qth for each application.
Page 54 Example A direct-vent 60,000 BTUH furnace installed at 2100 ft. (640M). Venting system includes FOR EACH PIPE 100 feet (30 M) of vent pipe, 95 feet (28 M) of combustion air inlet pipe, (3) 90 °- long-radius elbows, (2) 450- long-radius elbows, and a factory accessory concentric vent kit.
Page 55 Table 16 N9MSB & N9MSE - MAXIMUM EQUIVALENT VENT LENGTH - Feet (Meters) Note: Maximum Equivalent Vent Length (MEVL) does NOT include elbows or terminations. Use DEDUCTIONS FROM MEVL - Table 15 to determine allowable vent length for each application.
Page 56 3/8-in. (9.5 mm) Insulation 1/2-in. (12.7 mm) Insulation N9MSB & Pipe Diameter - in. (mm) Pipe Diameter - in. (mm) Pipe Diameter - in. (mm) N9MSE 1 1/2 2 1/2 1 1/2 2 1/2 1 1/2 2 1/2 Furnace Winter Design Pipe Length in Ft.&...

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