Installation Manual. For N41X models cu. ft., 2-way or 3-way, refrigerators. For N51X models cu. ft., 2-way or 3-way, refrigerators.

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1 Installation Manual F N41X models 4.5 cu. ft., 2way 3way, refrigerats. F N51X models 5.5 cu. ft., 2way 3way, refrigerats. The model numbers of 3way refrigerats contain.3. The model numbers of 2way refrigerats do. The letter X, in model numbers above, stands f a letter a numeral which means a refrigerat option. WARNING: Improper installation, adjustment, alteration, service maintenance can cause personal injury property damage. Refer to th manual. F asstance additional infmation, contact a qualified installer, service agency, gas supplier. FOR YOUR SAFETY Do ste use gasoline flammable vaps and liquid in vicinity of th any appliance. FOR YOUR SAFETY If you smell gas: 1. Open windows. 2. Don t touch electrical switches. 3. Extinguh any open flame. 4. Immediately call gas supplier. WARNING: DO NOT install th refrigerat in below deck marine applications. Do install th refrigerat in fixed indo cabin dwelling applications. Th refrigerat must use only NORCOLD designed and approved outside air intake and exhaust ventilation f crect and safe operation. Any ventilation could cause lethal combustion exhaust fumes and/ explosive propane gas fumes to be in living area and/ to be below deck. Englh French NORCOLD, Inc. P.O. Box 4248 Sidney, OH Ncold Customer Suppt Dept. Telephone: Fax: Web Site: Part No A (307)

2 Table of Contents Safety Awareness... 2 Safety Instructions... 2 Certification and Code Requirements... 3 Ventilation Requirements... 3 Assemble Enclosure... 4 Install Lower and Upper Vents... 4 Install Refrigerat... 5 Installation Options... 6 Install decative do panel... 6 Reverse do swing... 6 Change travel latch position... 6 Connect Electrical Components... 7 Connect 120 volt AC supply... 7 Connect 12 volt DC supply... 7 Connect Propane Gas Components... 8 Connect propane gas supply system... 8 Examine gas supply system f leaks... 8 Ignition Start Up... 8 Ignitionpropane gas operation... 8 Fault Codes Safety Awareness Read th manual carefully and understand contents befe you install refrigerat. Be aware of possible safety hazards when you see safety alert symbol on refrigerat and in th manual. A signal wd follows safety alert symbol and identifies danger of hazard. Carefully read descriptions of se signal wds to fully know ir meanings. They are f safety. WARNING: Th signal wd means a hazard, which if igned, can cause dangerous personal injury, death, much property damage. CAUTION: Th signal wd means a hazard, which if igned, can cause small personal injury much property damage. Safety Instructions WARNING: Th refrigerat approved f use as a free standing refrigerat. It equipped f use of propane gas only and can be changed to use any fuels (natural gas, butane, etc.). Increct installation, adjustment, alteration, maintenance of th refrigerat can cause personal injury, property damage, both. Obey instructions in th manual to install intake and exhaust vents. Do install refrigerat directly on carpet. Put refrigerat on a metal wood panel that extends full width and depth of refrigerat. Do allow anything to touch refrigerat cooling system. Propane gas can ignite and cause an explosion that can result in property damage, personal injury, death. Do smoke create sparks. Do use an open flame to examine propane gas supply line f leaks. Always use two wrenches to tighten loosen propane gas supply line connections. Make sure electrical installation obeys all applicable codes. Certification and Code Requirements section. Do bypass change refrigerat s electrical components features. Do spray liquids near electrical outlets, connections, refrigerat components. Many liquids are electrically conductive and can cause a shock hazard, electrical shts, and in some cases fire. The refrigerat cooling system under pressure. Do try to repair to recharge a defective cooling system. The cooling system contains sodium chromate. The breathing of certain chromium compounds can cause cancer. The cooling system contents can cause severe skin and eye burns, and can ignite and burn with an intense flame. Do bend, drop, weld, move, drill, puncture, hit cooling system. CAUTION: The rear of refrigerat has sharp edges and cners. To prevent cuts abrasions when wking on refrigerat, use caution and wear cut restant gloves. Installation Manual 2

3 Certification and Code Requirements Ventilation Requirements WARNING: The completed installation must: Make sure re sufficient intake of fresh air f combustion. Make sure living space completely olated from combustion system of refrigerat. Th refrigerat certified by CSA International as meeting latest edition of ANSI Z21.19 / CAN 1.4 standards f installation in mobile homes recreational vehicles. The refrigerat must be installed in accdance with th Installation Manual in der f Ncold limited warranty to be in effect. In addition, installation must confm to following, as applicable: In United States and Canada: Local codes, in absence of local codes, National Fuel Gas Code, ANSI Z223.1/NFPA 54, Natural Gas and Propane installation Code, CSA B149.1, ANSI A119.2 Recreational Vehicles Code, and CSA Z240 RV Series, Recreational Vehicles. A manufactured home (mobile home) installation must confm with Manufactured Home Construction and Safety Standard, Title 24 CFR, Part 3280 [fmerly Federal Standard f Mobile Home Construction and Safety, Title 24 (part 280), and current CSA Z240.4, Gasequipped Recreational Vehicles and Mobile Housing. If an external power source utilized, appliance, when installed, must be electrically grounded in accdance with local codes, in absence of local codes, National Electrical code, and ANSI/NFPA 70, Canadian Electrical Code, CSA C22.2. Parts 1 and 2. All propane gas supply piping and fittings must obey local, state, and national codes about type and size. These components must also obey current NFPA 501C section 2 4, and in Canada with current CAN Standard. Make sure re complete and unrestricted ventilation of flue exhaust which, in gas mode, can produce carbon monoxide. The breathing of carbon monoxide fumes can cause dizziness, nausea, in extreme cases, death. Make sure refrigerat completely olated from its heat generating components through crect use of baffles and panel construction. Certified installation needs one lower intake vent and one upper exhaust vent. Install upper exhaust vent eir through roof through side wall of vehicle exactly as written in th manual. Any installation method voids both certification and facty warranty of refrigerat. The bottom of opening f lower intake vent, which also service access do, must be even with immediately below flo level. Th allows any leaking propane gas to escape to outside and to collect at flo level. CSA International certification allows refrigerat to have zero (0) inch minimum clearance at sides, rear, top, and bottom. While re are no maximum clearances specified f certification, following maximum clearances are necessary f crect refrigerat perfmance: Bottom 0 inch min. 0 inch max. Each Side 0 inch min 1/8 inch max. Top 0 inch min. 1/4 inch max. Rear 0 inch min. 1 inch max. These clearances plus lower and upper vents cause natural air draft that necessary f good refrigeration. Cooler air comes in through lower intake vent, goes up around refrigerat coils where it removes excess heat from refrigerat components, and goes out through upper exhaust vent. If th air flow blocked decreased, refrigerat will cool crectly. Each NORCOLD model certified by CSA International f crect ventilation. Install only certified vents that are lted in th manual. Installation Manual 3

4 Assemble Enclosure 1. Make sure enclosure : inches high x inches wide x 24 inches deep f N41X models inches high x inches wide x 24 inches deep f N51X models. 2. Make sure flo solid and level. The flo must be metal a wood panel and extend full width and depth of enclosure. The flo must be able to suppt weight of refrigerat and its contents. 3. Make sure re are no adjacent heat sources such as a furnace vent, a hot water heater vent, etc. 4. If re me than 1/2 inch between eir side of refrigerat and inside of enclosure: Fill space with fiberglass (batttype) insulation add a baffle to eliminate clearance. The rear of batttype insulation must be between inches from face of enclosure. Securely attach batttype insulation to enclosure, so that it remains in th position during refrigerat installation, if it becomes wet, and in windy conditions. Install Lower and Upper Vents 1. Using following chart, decide which vents and rough opening (RO) sizes to use. Certified Vent P/N RO Height RO Width Upper Roof in. 5 1/4 in. Exhaust Vent Upper Side /4 in. 18 in. Exhaust Vent Lower Side /4 in. 19 3/8 in. Intake Vent Universal Upper /16 in /16 in. & Lower Vent Universal Upper /4 in. 21 1/2 in. & Lower Vent 2. Install lower intake vent ( Art01608): NOTE: The lower intake vent also service access opening f components on rear of refrigerat. WARNING: Make sure bottom of opening of lower intake vent even with immediately below flo level. Th allows any leaking propane gas to escape to outside and to collect at flo level. Make sure bottom of opening of lower intake vent even with immediately below flo level. Align lower intake vent [9] vertically below coils [10] and condenser [11] of refrigerat. 3. Install upper exhaust vent: If you install roof exhaust vent (see Art01638): CAUTION: Make sure that no sawdust, insulation, construction debr on refrigerat in enclosure. Debr can cause a combustion hazard and prevent refrigerat from operating crectly. NOTE: Tighten screws of upper roof exhaust cap to 10 inchpounds max. Also make sure that air flow around upper roof exhaust cap blocked decreased by roof mounted features such as a luggage carrier, an air conditioner, a solar panel, etc. If design of vehicle allows, install roof exhaust vent [12] directly above condenser [11] of refrigerat. Install a baffle [13] to prevent stagnant hot air in area [14] above refrigerat. Make sure re less than 1/4 inch clearance [15] between baffle and top of refrigerat. Make sure baffle full width of inside of enclosure. If design of vehicle does allow you to install roof exhaust vent directly above condenser of refrigerat: Align roof exhaust vent [12] above lower intake vent and move it inboard as necessary ( Art01639). Install two baffles [13] to prevent stagnant hot air in area [14] above refrigerat. Make sure both baffles are full width of inside of enclosure. Installation Manual 4

5 Make sure that both baffles are no me than 45 from vertical [20]. Put one baffle between top rear edge of refrigerat and inside edge of upper exhaust vent opening. Make sure re less than 1/4 inch clearance [15] between baffle and top of refrigerat. Put baffle between outside edge of upper exhaust vent opening and side wall of vehicle. If you install upper side exhaust vent ( Art01637): F N41X models, make sure dtance [25] from flo level to top of rough opening f upper exhaust vent at least 41 3/4 inches po cooling perfmance can occur. F N51X models, make sure dtance [25] from flo level to top of rough opening f upper exhaust vent at least 47 3/4 inches po cooling perfmance can occur. Align upper exhaust vent [24] hizontally above lower intake vent [9] of refrigerat. Install a baffle [13] to prevent stagnant hot air in area [14] above refrigerat. Make sure re less than 1/4 inch clearance [15] between baffle and top of refrigerat. Make sure baffle full width of inside of enclosure. If re me than 1 inch of clearance between rear of refrigerat and enclosure, add two baffles [16] to rear of enclosure ( Art01637, Art01638, and Art01639): Put one baffle at top edge of lower intake vent [9]. Put baffle at lower edge of condenser [11] of refrigerat. Make sure baffles are less than 1/4 inch from coils [10] and condenser of refrigerat. Make sure baffles are full width of inside of enclosure. F N41X models, if construction of vehicle does allow dtance [25] to be 41 3/4 inches, dtance (optional only) can be as little as 36 inches ( Art01647) if you obey instructions that follow: OR F N51X models, if construction of vehicle does allow dtance [25] to be 47 3/4 inches, dtance (optional only) can be as little as 44 3/4 inches ( Art01647) if you obey instructions that follow: Install only vent as lower intake vent [9]. Add two baffles to rear of enclosure if re me than 1 inch of clearance [19] between rear of refrigerat and enclosure. Install one baffle [16] at top edge of lower intake vent. Install a bent aluminum galvanized steel sheet baffle [26] at lower edge of upper exhaust vent opening. Make sure that bend of baffle flush with lower edge of upper exhaust vent opening. Make sure that top edge of bent baffle 1/4 inch less [124] below condenser and that re 1/4 inch less clearance [124] between rear of condenser and baffle. Make sure baffles are full width of inside of enclosure. Install Refrigerat Put refrigerat in position (see Art01288): WARNING: Make sure combustion seal [28] broken, completely around refrigerat mounting flanges [156], and between mounting flanges and wall of enclosure. If combustion seal complete, exhaust fumes can be present in living area of vehicle. The breathing of exhaust fumes can cause dizziness, nausea, in extreme cases, death. Remove do from refrigerat ( Reverse do swing section). Put screws through holes of refrigerat mounting flanges and into enclosure wall. Attach do to refrigerat. Put a screw through mounting holes [121] in braces at lower rear cners of refrigerat and into flo. Installation Manual 5

6 Installation Options Install decative do panel: NOTE: The decative panels must be 3/16 inch less in thickness. F N41X models, make a decative do panel [38] that 31 inches high x 21 5/16 inches wide ( Art00977). F N51X models, make a decative do panel [38] that 37 inches high x 21 5/16 inches wide ( Art00977). Push decative do panel into slots [157] of do end caps [158]. Push each panel retainer [37] into slot on edge of do [39]. Reverse do swing: Th refrigerat has hinges that allow you to change direction that do opens by moving hinges to opposite cner ( Art01313). 1. Remove do: Turn out and save upper hinge pin [63]. Open do a small amount and pull top of do away from upper hinge of refrigerat. Lift do off of lower hinge pin [64]. Turn out and save lower hinge pin. 2. Change position of hinges: Remove screws from upper hinge [159]. Put th hinge on side as lower hinge. Attach hinge with screws. Turn lower hinge pin down into th hinge. Remove screws from lower hinge [160]. Remove screws from travel latch [161]. Put th hinge on side as upper hinge. Attach hinge with screws. 3. Change position of travel latch ( Art01313 and Art01571): Put travel latch on side of refrigerat. Attach travel latch with screws. Remove screw [41] from travel latch plate [162] on do. Remove screw [41] from filler plate [163] on do. Put travel latch plate on side of do. Attach travel latch plate with screw. Put filler plate on side of do. Attach filler plate with screw. 4. Install do: Put do down onto lower hinge pin. Align holes in upper hinge and filler plate and hold in th position. Screw upper hinge pin down into upper hinge and into do. Tighten all of screws. Make sure travel latch fully engages travel latch plate. The travel latch should engage travel latch plate.2 inches. If, loosen screws and adjust height of travel latch. Tighten screws. Change travel latch position: Th refrigerat allows you to put travel latch eir at top of do at bottom of do regardless of do swing direction ( Art01570 and Art01572). 1. Change position of travel latch plate: Remove screw [41] from travel latch plate [162] on do. Remove screw [41] from filler plate [163] on oposite end of do. Put travel latch plate on opposite end of do. Attach travel latch plate with screw. Put filler plate on opposite end of do. Attach filler plate with screw. Installation Manual 6

7 2. Change position of travel latch: Remove screws from travel latch [161]. Put travel latch on opposite end of refrigerat. Attach travel latch with screws. Connect Electrical Components NOTE: The current draws are nominal values. AC Operation Current Draw Propane Gas Operation Current Draw 120 volts AC voltage (108 volts min. 132 volts max.) 12 volts DC control voltage (10.5 volts min volts max.) 1.79 Amps at 110 volts AC 1.92 Amps at 120 volts AC 12 volts DC control voltage (11.5 volts min volts max.).37 Amps at 12 volts DC.42 Amps at 15 volts DC DC Operation 12 volts DC control voltage (.3 models only) (10.5 volts min volts max.) Current Draw 14.1 Amps at 12 volts DC 17.0 Amps at 15 volts DC Th refrigerat operates on both AC and DC electrical sources. Operation out of se limits may damage refrigerat s electrical circuit parts and will void warranty. WARNING: The rear of refrigerat cooling system has hot surfaces and sharp surfaces that can damage electrical wiring. Make sure that re a good clearance between all electrical wiring and cooling system of refrigerat. Position any electrical wiring within refrigerat enclosure opposite burner side of refrigerat. Do put any electrical wiring through roof exhaust vent. Failure to crectly position electrical wiring can result in electrical shock fire. Connect 120 volt AC supply: WARNING: Connect AC power cd only to a grounded threeprong receptacle. Do remove round ground prong from power cd. Do use a twoprong adapter an extension cd. Operation of refrigerat without crect ground can cause dangerous electrical shock death if you are touching metal parts of refrigerat. Put AC power cd into a grounded threeprong receptacle: Make sure receptacle positioned within easy reach of lower intake vent. Make sure power cd does touch burner cover, flue pipe, any hot component that could damage insulation of power cd. Connect 12 volts DC supply: As dtance from vehicle battery to refrigerat increases, crect AWG wire size and fuse size also increases. If wire size too small f dtance, a voltage drop occurs. The voltage drop decreases output of system heater and causes po cooling perfmance. 1. Determine min. wire size and max. fuse size to use: WARNING: If you use an increct wire size and/ fuse size, electrical fire can result. On 2way models, use a minimum of 18 AWG wire and a maximum 6 Amp fuse. On 3way models, measure dtance from vehicle battery to refrigerat. If dtance 0 20 feet, use a minimum of 10 AWG wire and a maximum 30 Amp fuse. If dtance over 20 feet, use a minimum of 8 AWG wire and a maximum 40 Amp fuse. If wire size larger than min. size, use crect fuse per RVIA A119.2 standard local codes. The wire connections must be clean, tight and free of crosion. If any of se items are crect: A voltage drop to refrigerat will occur. The voltage drop will reduce cooling perfmance of refrigerat. 2. Install a fuse in DC power supply wires between battery and refrigerat: Put fuse as close to battery as possible. 3. Connect DC power supply wires: Attach a 1/4 inch female Quick Connect terminal to each DC power supply wire. NOTE: Do use chass of refrigerat vehicle frame as one of conducts. Attach DC power supply wires only to battery and power board [49] of refrigerat ( Art00975). Installation Manual 7

8 Push positive DC power wire onto power board terminal that marked 12VDC. Push DC ground wire onto power board terminal that marked GND. Make sure each DC power supply wire on crect polarity terminal. Connect Propane Gas Components Th refrigerat operates on propane gas at a pressure of 11 inches Water Column Propane. Connect propane gas supply system: WARNING: Be very careful when wking on near propane gas system. Do smoke use an open flame near propane gas system. Do use an open flame to examine f leaks. Do connect refrigerat to propane gas tank without a pressure regulat between m. To avoid a propane gas leak, always use two wrenches to tighten loosen gas supply line connections. Leaking propane gas can ignite explode and result in dangerous personal injury death. Connect gas supply line to refrigerat: To prevent vibration and abrasion, make sure that gas supply line against anything in enclosure. Attach gas supply line to bulkhead fiting [91] of refrigerat ( Art00975). Examine gas supply system f leaks: WARNING: Do allow leak detecting solution to touch electrical components. Many liquids are electrically conductive and can cause a shock hazard, electrical shts, and in some cases, fire. Use a leak detecting solution to examine gas supply line and all propane gas connections f leaks. If you use compressed air f test: The pressure at manual shut off valve of refrigerat must be me than 1/2 psig (14 inches Water Column). If air pressure me than 1/2 psig (14 inches Water Column), remove gas supply line from bulkhead fitting of refrigerat befe test. If air pressure equal to less than 1/2 psig (14 inches Water Column), close manual shutoff valve of refrigerat befe test. Ignition Start Up Ignition propane gas operation: Make sure all tubing and fittings obey all local, state, and national codes about size and type. Make sure that all flexible metal connects obey current CAN16.10 Standard. Make sure that materials used f gas supply line obey both current ANSI A (NFPA 1192) and CSA Z240 Standards on Recreational Vehicles. Ncold recommends use of 3/8 inch copper tubing as gas supply line and requires a 3/8 inch SAE (UNF 5/818) male flare fitting as connection to refrigerat. Put propane gas supply line up through flo of enclosure. Make sure hole through flo large enough to allow clearance f gas supply line. Put a wear restant seal (grommet, sealant, etc.) around gas supply line where it goes through flo to prevent vibration and abrasion. Press ON / OFF button [30] to start refrigerat in auto mode. Push and hold MODE button [31] until light bar flashes in center dplay [33] beside LP GAS [36]. Release MODE button. Installation Manual 8

9 NOTE: On initial start up of refrigerat, ignition of propane gas may occur within 30 seconds. If ignition of propane gas does occur within 30 seconds: The gas safety valve of refrigerat closes. The refrigerat stops operation. Refer to Fault Codes section of th manual. The fault code remains until you push ON / OFF button two times (to stop and start refrigerat). If ignition does occur after two three times: Check gas supply line. Consult local an authized Ncold Change to manual mode and operate on AC electric. Installation Manual 9

10 Installation Manual 10 Fault Codes Codes ault F g Meanin Code ault F s Action Crective No dplay. DC voltage to unavailable control refrigerat panel OFF. refigerat Check: ON. refrigerat operational. vehicle of equipment battery charging applicable). (if operational AC/DC converter Ncold authized "F" did burner The reignite. ignite Check: open. tank(s) gas propane of valve pressure. crect at gas propane open. refrigerat of valve off shut manual air "Removing supply line. gas propane in air no re manual. th section of supply lines" gas propane from Ncold authized "A" AC voltage to unavailable control. refrigerat Check: outlet. serviceable a into plugged refrigerat intact. vehicle of breaker circuit fuse applicable). (if operational generat vehicle Ncold authized "C" to DC voltage control refrigerat low. too panel Check: operational. vehicle of equipment battery charging applicable). (if operational AC/DC converter Ncold authized "n" cooling refrigerat The cooling. stopped has unit reset Befe time 1st Check: blocked. are vents do(s). Close open. do(s) a level. vehicle reset After time 2nd Ncold authized serviceable. owner Th setting Temperature ten seconds f flashes appears. mode and refrigerat The "Back on operating System". Operating Up Ncold authized servicable. owner Th Center "H" within fault a Th controls. refrigerat Ncold authized servicable. owner Th Center "r" within fault a Th controls. refrigerat Ncold authized servicable. owner Th "S" within fault a Th controls. refrigerat Ncold authized servicable. owner Th Art01560

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