National Comfort Products Comfort Pack U Series, Installation Manual

Page 1: ...ith the homeowner for future reference 80 AFUE National Comfort Products A Division of National Refrigeration and Air Conditioning Products Inc 539 Dunksferry Road Bensalem PA 19020 5908 800 523 7138...

Page 2: ......

Page 3: ...Functions page 17 High Altitude Operation page 17 18 Gas Piping Venting Pressures page 19 20 Ignition System page 21 Start up page 22 23 Special Notes for Extremely Cold Weather Areas page 23 24 Gas...

Page 4: ...80 Gas 9 95 Gas E Electric 4 Refrigerant 4 R410A 18 Clg Capacity 12 1Ton 18 1 5Ton 24 2Ton 38 Htg Capacity 25 25 MBH 28 28 MBH 32 32 MBH 38 38 MBH 43 43 MBH 50 50 MBH 51 51 MBH 64 64 MBH 00 0 kW U Se...

Page 5: ...IFIED BY NATIONAL CODES ATTEMPTING TO INSTALL OR REPAIR THIS UNIT WITHOUT SUCH BACKGROUND MAY RESULT IN PRODUCT DAMAGE PERSONAL INJURY OR DEATH WARNING WARNING WARNING DO NOT USE THIS APPLIANCE IF ANY...

Page 6: ...299588 This unit is designed and approved for through the wall installation only The unit must be installed a minimum of 8 above finish floor If this unit is installed in a residential garage it must...

Page 7: ...ments Be sure that the electrical data specified on the unit rating plate corresponds to what is available at the installation site and NEC for installation requirements This unit MUST be installed in...

Page 8: ...an handle the load imposed by the unit IMPORTANT This Document is customer property and is to remain with this unit Please refer to service information pack upon completion of work to register the uni...

Page 9: ...cal damage by vehicles Secondary Drain Trap Install Instructions 1 The trap and 2 piece of clear flexible 1 2 ID tubing are shipped loose to prevent damage They should be installed after the Comfort P...

Page 10: ...of these decorative grilles The less resistive these grilles are to air flow the better the units performance will be Outdoor louvers provided by others must be approved by NCP to maintain unit perfo...

Page 11: ...snow level 12 in B Clearance to a window or door that may be opened 9 in for appliances 10 000 Btuh 3 kW and 50 000 Btuh 15 kW 12 in for appliances 50 000 Btuh 15 kW C Clearance to a permanently clos...

Page 12: ...grounding must be made in accordance with the National Electric Code ANSI NFPA No 70 latest edition or in Canada the Canadian Electrical Code Part I C S A Standard C22 1 In addition the installer sho...

Page 13: ...respond to that specified on the unit rating plate and that the service provided by the utility is sufficient to handle the additional load imposed by this equipment Power wiring must comply with nati...

Page 14: ...tivated manually reset switch The flame rollout switch is located centrally on the top of the burner assembly It is factory set and is non ad justable If the setpoint is reached the flame rollout acts...

Page 15: ...rt Pack Dimension Drawing 5 Side view 3 51 64 1 1 4 31 17 32 16 7 43 64 43 15 25 32 26 57 64 1 1 32 31 15 32 7 15 16 28 7 21 32 4 23 64 1 3 4 RETURN JUNCTION BOX GAS CONNECTION LOW VOLTAGE THERMOSTAT...

Page 16: ...he pressure switch is open the control proceeds to 2 Pre purge 2 Pre purge The control energizes the venter motor and waits for the pressure switch to close If the pressure switch does not close withi...

Page 17: ...gnition the control de energizes the gas valve energizes the blower motor on heat speed and venter motor remains energized The blower motor is shut off after a short period When the blower motor de en...

Page 18: ...ment label in the plastic bag that contained these instructions Using a permanent marker fill in the pressure setting Adhere the label on the heater near the gas valve so that it is conspicuous to som...

Page 19: ...manual valve on the heater All piping must be in accordance with requirements outlined in the National Fuel Gas Code ANSI Z223 1a latest edition or CAN CGA B149 1 and B149 2 Gas supply piping install...

Page 20: ...ed to 3 5 w c Inlet supply pressure to the valve for natural gas must be a minimum of 5 w c and a maximum of 14 w c Normally field adjustment should not be required For Propane Gas When the heater lea...

Page 21: ...thermostat has been satisfied the system de energizes the gas valve the venter motor goes through a 30 second post purge and the fan motor remains energized for an additional time NOTE This is a three...

Page 22: ...es of trapped air 5 Check electrical wiring Be sure all wire gauges are as recommended A service disconnect switch should be used Verify that fusing or circuit breakers are adequate for the load use 6...

Page 23: ...follow the steps in the WARNINGS above or on the Operating Label on the heater If you do not smell gas proceed to the next step 6 Turn the gas control knob counterclockwise to ON Close the access doo...

Page 24: ...oling chassis must be maintained regularly to assure that the unit provides optimal performance and energy efficiency The intervals between replacing depends entirely on the cleanliness of the return...

Page 25: ...cover must be reinstalled IF YOU TURN OFF POWER SUPPLY TURN OFF THE GAS SEE HAZARD LEVELS PAGE 5 THE MATERIAL CONTAINED IN THE MAINTENANCE AND SERVICE SECTION OF THIS MANUAL IS DESIGNED TO AID A QUALI...

Page 26: ...ach end Loosen burner assembly by removing only the two screws indicated Burner Assembly Secondary Air Shield End Cap Remove secondary air shield end cap by removing four screws indicated Remove screw...

Page 27: ...e fuse Do not attempt to disassemble the control module However each heating season check the lead wires for insulation deterioration and good connections Proper operation of the direct spark ignition...

Page 28: ...spect the burner control compartment for signs of excessive heat and burned wiring If the compartment appears normal reset by depressing the red button on the switch 15 to 20 minutes are required for...

Page 29: ...ctions to Slide Out the Furnace After removing front panels 1 Remove the 4 screws indicated at the right Gas Line Power Cord 2 Remove the patch plate Gas Line Power Cord Front Furnace Baffle 3 Remove...

Page 30: ...insulation when pulling the heat exchanger furnace assembly forward 4 Unplug 2 molex plugs before sliding out the heat exchanger furnace assembly Lift Pull Forward Power Cord 6 With your right hand r...

Page 31: ...0 15 CP841838UA 208 230 60 1 6 5 37 5 1 4 1 83 3 6 1 3 3 0 11 3 13 0 15 CP841851UA 208 230 60 1 6 5 37 5 1 4 1 83 3 6 1 3 3 0 11 3 13 0 15 CP841864UA 208 230 60 1 6 5 37 5 1 4 1 83 3 6 1 3 3 0 11 3 1...

Page 32: ...e should be as follows 28MBTU 52 5 F Nominal 45 F to 60 F 38MBTU 52 5 F Nominal 45 F to 60 F 51MBTU 55 F Nominal 45 F to 65 F 64MBTU 67 F Nominal 60 F to 80 F In order to calculate CFM use the formula...

Page 33: ...590 35 0 565 36 5 540 38 2 525 39 3 510 40 5 Orange 5 440 46 9 425 48 6 410 50 4 400 51 6 390 52 9 Comfort Pack Gas CFM and Temperature Rise 38 000 BTU Input UNIT SIZE COLOR SPEED 1 w c TD 2 w c TD 3...

Page 34: ...7 565 66 6 540 69 6 525 71 6 510 73 7 Orange 5 440 85 5 425 88 5 410 91 7 400 94 0 390 96 4 Comfort Pack Gas CFM and Temperature Rise 64 000 BTU Input UNIT SIZE COLOR SPEED 1 w c TD 2 w c TD 3 w c TD...

Page 35: ...00 Blue 3 560 535 520 510 500 Black 4 440 425 410 390 370 Orange 5 390 360 330 310 290 CP8418 UA Red 1 760 745 730 715 700 Yellow 2 650 640 630 615 600 Blue 3 560 535 520 510 500 Black 4 440 425 410 3...

Page 36: ...BLACK WHITE BLACK C F H CAP CFM C S R COMP EBM 208 230 C XFMER CC LPS TRANSFORMER FACTORY SET POINT IS 230V FIELD ADJUSTMENT REQUIRED FOR 208V APPLICATION 1 2 3 4 5 SPEED TERMINAL 1 HIGH 2 MED HIGH 3...

Page 37: ...1 Set thermostat at lowest setting 2 Turn on manual gas valve 3 Turn on power to unit 4 Set thermostat at desired setting 5 Thermostat calls for heat energizing the venter motor 6 Venter pressure swi...

Page 38: ...rol at the thermostat or 5 main power Replace combustion air proving switch 6 7 a If 24 volt is measured at the valve connections and valve remains closes replace valve b Check and tighten all wiring...

Page 39: ...Bottom Panel 14256600 LP Gas Orifice N A 14208339 14208340 14208341 Rail 14256605 Flame Rollout Switch 14208314 Horizontal Air Divider 14256670 Orifice Adapter 14208315 Vertical Air Divider 14256671 O...

Page 40: ...4275146 14275117 14275118 Outdoor Fan Motor 14270057 14270044 14270057 Outdoor Coil Mount 14256430 14256434 Drier 14275947 Outdoor Fan 14214042 Outdoor Motor Mount 14270101 Indoor Blower Motor 1427006...

Page 41: ...ding between Terminals C R __________ 5 Compressor Winding OHM Reading between Terminals R S __________ 6 Compressor Winding OHM Reading between Terminals C Ground __________ 7 Compressor Winding OHM...

Page 42: ...to the goods and are in lieu of and exclude all other warranties express or implied arising by operation of law or otherwise including without limitation merchantability and fitness for a particular p...

Page 43: ...shall render the warranty void B Compressors In addition to the above referenced requirements Customer is also required to purchase a replacement compressor and return the original compressor to Natio...

Page 44: ...20 20 HEATING A C EQUIPMENT NATIONAL COMFORT PRODUCTS National Comfort Products A Division of National Refrigeration Air Conditioning Products Inc 539 Dunksferry Road Bensalem PA 19020 1 800 523 7138...