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Installation, Operation & Maintenance Manual

coer

96%

Gas Furnace

| 25

coer

07-2021

Data subject to change

Furnace
size

Return-air

inlet

Speed

External static pressure (in. WC)

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

100C

Bottom or

Sides

CFM

2195 2158 2116 2072 2031 1985 1940 1896 1852 1862

Temp Rise-1st stage

Temp

Rise-2nd

stage 40.3 41.0 41.8 42.7 43.6 44.6 45.6 46.7 47.8 47.5

Mid-H

CFM

2008 1963 1924 1882 1836 1791 1744 1697 1648 1603

Temp Rise-1st stage

Temp

Rise-2nd

stage 44.1 45.1 46.0 47.0 48.2 49.4 50.8 52.2 53.7 55.2

Mid

CFM

1753 1709 1666 1627 1573 1530 1487 1444 1395 1347

Temp

Rise-1st

stage --

35.4 36.6 37.6 38.7 39.9 41.3 42.7

Temp

Rise-2nd

stage 50.5 51.8 53.1 54.4 56.3 57.9 59.5 61.3 63.5 65.8

Mid-L

CFM

1447 1388 1338 1286 1241 1186 1137 1083 1029 983

Temp

Rise-1st

stage 39.8 41.5 43.0 44.7 46.4 48.5 50.6 53.2 55.9 58.5

Temp Rise-2nd stage

61.2

63.8

Low

CFM

1089 1021 946 883 820 751 685 625 565 520

Temp Rise-1st stage

52.8

56.4

60.8

Temp Rise-2nd stage

100D

Bottom or

Sides

CFM

2283 2239 2193 2143 2095 2049 1998 1947 1897 1847

Temp Rise-1st stage

Temp

Rise-2nd

stage 38.8 39.5 40.4 41.3 42.3 43.2 44.3 45.5 46.7 48.0

Mid-H

CFM

2086 2038 1988 1942 1889 1841 1792 1745 1695 1637

Temp Rise-1st stage

Temp

Rise-2nd

stage 42.4 43.5 44.5 45.6 46.9 48.1 49.4 50.7 52.3 54.1

Mid

CFM

1813 1760 1711 1657 1609 1560 1506 1453 1402 1350

Temp

Rise-1st

stage --

35.8 36.9 38.2 39.6 41.0 42.6

Temp

Rise-2nd

stage 48.8 50.3 51.8 53.4 55.0 56.8 58.8 60.9 63.1 --

Mid-L

CFM

1487 1417 1360 1296 1241 1183 1123 1064 1005 941

Temp

Rise-1st

stage 38.7 40.6 42.3 44.4 46.4 48.7 51.3 54.1 57.2 61.1

Temp Rise-2nd stage

59.5

62.5

Low

CFM

1122 1036 977 889 802 731 646 586 532 485

Temp Rise-1st stage

55.6

58.9

64.7

Temp Rise-2nd stage

120D

Bottom or

Sides

CFM

2290 2253 2213 2170 2127 2080 2031 1985 1937 1888

Temp Rise-1st stage

Temp

Rise-2nd

stage 46.4 47.2 48.0 49.0 50.0 51.1 52.3 53.5 54.9 56.3

Mid-H

CFM

2079 2037 1993 1950 1907 1856 1813 1767 1726 1675

Temp Rise-1st stage

40.0

41.2

Temp

Rise-2nd

stage 51.1 52.2 53.3 54.5 55.7 57.3 58.6 60.1 61.6 63.4

Mid

CFM

1809 1764 1719 1668 1620 1572 1528 1487 1432 1364

Temp

Rise-1st

stage --

40.2 41.4 42.6 43.9 45.2 46.5 48.2 50.6

Temp

Rise-2nd

stage 58.7 60.2 61.8 63.7 65.6 67.6 69.6 --

Mid-L

CFM

1489 1429 1373 1311 1265 1208 1137 1083 1032 972

Temp

Rise-1st

stage 46.4 48.3 50.3 52.7 54.6 57.2 60.7 63.8 66.9 --

Temp Rise-2nd stage

Low

CFM

1123 1051 1352 899 814 741 688 605 551 507

Temp Rise-1st stage

61.5

65.7

Temp Rise-2nd stage

Table 4

Air Delivery - CFM (Without Filter) * **

* A

lter is required for each return air inlet. This table shows the air

performance without a

lter. To determine air

ow performance with a

lter, if a

3/4 inch (19 mm) washable media

lter is used, assume an additional 0.1 in. WC

available external static pressure.

** The manufacturer default fan settings are based on model, refer to Table 24.

Содержание MGH96

Страница 1: ...Ecoer 96 AFUEGas Furnace MGH96 Model Condensing Gas Furnace Installation Operation and Maintenance Manual IHliiJWJiM I lntertek 3124627 er A 1 1 CERTIFIED www ahrid1rectory org Res1dent1alFurnaces D0...

Страница 2: ...2 Ecoer 96 AFUE Gas Furnace Installation Operation Maintenance 07 2020 Ecoer Inc Data subject to change...

Страница 3: ...ns 39 10 1 115V Wiring 39 10 2 Electrical Connection to J box 40 10 3 Power Cord Installation in Furnace J box 40 10 4 BX Cable Installation in Furnace J box 40 10 5 24 V Wiring 40 10 6 Accessories Fi...

Страница 4: ...nformation Manual for more information SERVICER Use the information in this booklet to service the appliance and affix the booklet adjacent to the appliance after servicing WARNING FIRE OR EXPLOSION H...

Страница 5: ...g outside the space containing the furnace See Section 7 5 Air Ducts A gas fired furnace for installation in a residential garage must be installed as specified in the warning box in Section 6 Locatio...

Страница 6: ...o light the burner by hand BEFORE OPERATING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle to the floor WARNING A C...

Страница 7: ...r Inlet Gas Pipe Entry Electrical Entry Condensate Drain Thermostat Wiring 24 610mm 26 1 2 672mm 25 3 4 655mm Combustion Air Inlet Vent Outlet Dimensions FurnaceModel A Cabinet Width In mm D Supply Ai...

Страница 8: ...d must not be vented in common with other gas fired appliances For installations in Canada refer to Section 8 4 Combustion Air Venting of this manual Construction through which vent air intake pipes m...

Страница 9: ...ction 7 Installation of this manual for more information Figure 4 1 2 3 4 1 2 3 4 4 Codes and Standards Follow all national and local codes and standards in addition to these instructions The installa...

Страница 10: ...below during furnace installation and servicing to protect the furnace electronic control Precautions will prevent electrostatic discharges from personnel and hand tools which are held during the pro...

Страница 11: ...parts containing flue gas which could leak into the living space Air for combustion must not be contaminated by halogen compounds which include fluoride chloride bromide and iodide These elements can...

Страница 12: ...a flame rollout and or drawing combustion products into the structure The furnace is controlled by a thermostat It may not be hot wired to provide heat continuously to the structure without thermostat...

Страница 13: ...7 BOTTOM CLOSURE PANEL BOTTOM FILLER PANEL SCREW SCREW Removing bottom closure panel Figure 8 Upflow Installation Tilt the unit slightly minimum 1 2 12 7 mm to maximum of 3 4 19 mm from back to front...

Страница 14: ...ace on bottom or either the left hand LH or right hand RH side See Figure 9 The furnace can be hung from floor joists rafters or trusses or installed on a non combustible platform blocks bricks or pad...

Страница 15: ...commended to add foam insulation around the drain line and heat tracing may also be necessary based on the application Leveling Leveling ensures proper condensate drainage from the heat exchanger and...

Страница 16: ...FURNACE IS LEVEL FROM END TO END AND HAS A SLIGHT FORWARD TILT WITH THE FRONT OF THE FURNACE 3 4 BELOW THE BACK OF THE FURNACE TILT OUTWARD TO ALLOW FOR DOOR AND CIRCULATOR BLOWER REMOVAL HOLD DOWN NU...

Страница 17: ...lope toward the drain Do not trap the drain line in any other location than at the drain trap supplied with the furnace Do not route the drain line outside where it may freeze 7 3 1 Standard Right Han...

Страница 18: ...remove 2 caps on the side where trap is mounted Mount trap with manufacturer provided screws 4 Remove cap from the inducer drain port see Fig 13 Figure 13 5 Connect 16 mm hose between condensate colle...

Страница 19: ...nt outlet pipe Use filed supplied straight 2 diameter pipe If 3 diameter pipes are used use a field supplied transition 6 Use provided or field supplied if applicable mounting bracket to mount drain t...

Страница 20: ...ed elbow and metal hose clamp to make flue vertical Elbows should be as close to the furnace as possible Connect the vent outlet pipe 6 Use provided or field supplied if applicable mounting bracket to...

Страница 21: ...one port Make sure that black port positive is connected to the lower position tap on condensate collector box and gray port negative to higher tap of condensate box Connecting incorrectly will resul...

Страница 22: ...disposable filters are used air passage through filters should be increased to twice the size of original air opening by using a transition duct or using two filters in V shape see Fig 19 in normal d...

Страница 23: ...m combustible materials and the supply air ductwork for a distance of 36 inch horizontally from the furnace See NFPA 90B or local code for further requirements Ductwork acoustical treatment Metal duct...

Страница 24: ...5 54 2 Temp Rise 2nd stage 56 6 58 4 60 2 62 3 64 Mid CFM 1044 1002 968 931 886 841 805 767 718 677 Temp Rise 1st stage 40 8 43 4 45 8 50 5 50 9 54 0 57 6 60 8 64 4 Temp Rise 2nd stage Mid L CFM 825 7...

Страница 25: ...1560 1506 1453 1402 1350 Temp Rise 1st stage 35 8 36 9 38 2 39 6 41 0 42 6 Temp Rise 2nd stage 48 8 50 3 51 8 53 4 55 0 56 8 58 8 60 9 63 1 Mid L CFM 1487 1417 1360 1296 1241 1183 1123 1064 1005 941...

Страница 26: ...mum Equivalent Pipe Length lists the maximum equivalent length of pipe allowed for each model of furnace The equivalent length of elbows is shown in Table 7 Equivalent Length of Fittings The equivalen...

Страница 27: ...10 feet of 3 pipe 3 45 standard elbow 5 feet of 3 pipe 2 corrugated connector 10 feet of 2 pipe 3 corrugated connector 10 feet of 3 pipe Table 7 Equivalent Length of Fittings Example An 80 000 BTUH f...

Страница 28: ...tilated combustion air systems from the furnace to the attic or crawl space termination CAUTION Solvent cements are flammable and must be used in well ventilated areas only Keep them away from heat sp...

Страница 29: ...dance with local installation codes and the requirements of the gas supplier J Clearance to nonmechanical air supply inlet to building or the combustion air inlet to any other appliance 12 30 5 cm for...

Страница 30: ...ion air pipes terminate in the same atmospheric zone Refer to Figures 25 or 26 Figure 24 12 Min 12 Min Exhaust Exhaust Maintain 12 minimum clearance above highest anticipated snow level Maximum 24 abo...

Страница 31: ...gure 31 for attic and crawl space termination Only the combustion air intake may terminate in the attic The vent must terminate outside 8 6 2 Outdoor Combustion Air Combustion Air Intake Vent Connecti...

Страница 32: ...air may need to be provided using the methods described in A confined space section A confined space is an area with less than 50 cu ft 1 42m3 per 1 000 Btu hr 0 2928 kW input rating for all of the ap...

Страница 33: ...the confined space shall communicate directly or by means of ducts with the outdoors crawl spaces or attic spaces 2 One permanent opening commencing within 12 in 305 mm of the top of the enclosure sh...

Страница 34: ...operation while all other appliances connected to the venting system are not in operation 1 Inspect the venting system for proper size and horizontal pitch Determine that there is no blockage restrict...

Страница 35: ...es The furnace must be equipped to operate on the type of gas applied This includes any conversion kits required for alternate fuels and or high altitude Inlet gas supply pressures must be maintained...

Страница 36: ...ormation provided by the gas supplier to determine the proper orifice size US installation InputRate KBTU H Number of burners Elevation Ft Elevation Ft Elevation Ft Elevation Ft Elevation Ft 0 2000 20...

Страница 37: ...equipment damage due to underfiring of equipment use the proper size of natural propane gas piping needed when running pipe from the meter tank to the furnace When sizing a trunk line be sure to inclu...

Страница 38: ...the installer must supply the following fittings starting from the gas valve 90 degree elbows 2 Close nipple Straight pipe to reach the exterior of the furnace A ground joint union drip leg and manual...

Страница 39: ...s sufficient to handle load imposed by this equipment Refer to rating plate or Table 17 page 41 for equipment electrical specifications Make all electrical connections in accordance with National Elec...

Страница 40: ...ds as shown in Fig 36 Use best practices NEC in U S for wire bushings strain relief etc 13 Reinstall cover to J Box Do not pinch wires between cover and bracket 10 3 Power Cord Installation in Furnace...

Страница 41: ...2000 10 5 95 40 70 22 39 20 14 170 77 Table 17 Ratings Physical Electrical Data Annual Fuel Utilization Efficiency AFUE numbers are determined in accordance with DOE Test procedures National Electric...

Страница 42: ...IRING 208 230V THREE PHASE 208 230V SINGLE PHASE BLOWER DOOR SWITCH WHT BLK WHT BLK NOTES ConnectY1 Y Y2 terminal in furnace as shown for proper blower operation Some thermostats require a C terminal...

Страница 43: ...s also equipped with a self diagnosing electronic control module In the event a furnace component is not operating properly the control module LED will flash on and off in a factory programmed sequenc...

Страница 44: ...etry sequence The retry sequence provides a 60 second wait with the inducer interpurge following an unsuccessful ignition attempt flame not detected After this wait the ignition attempt is restarted T...

Страница 45: ...utlet pressure barb fitting of valve to overlap at least 3 8 4 Turn ON system power and set thermostat to a call for heat 5 Using a leak detection solution or non chlorine soap suds check for leaks at...

Страница 46: ...n the unit rating plate 5 Turn ON gas and relight appliances turned off in step 1 Ensure all the appliances are functioning properly and that all pilot burners are operating 11 7 Temperature Rise Adju...

Страница 47: ...A Mid H 4 Mid 3 High 5 Mid 3 MGH96M080C4A Mid H 4 Mid 3 High 5 Mid 3 MGH96M100C5A Mid 3 Mid L 2 Mid H 4 Mid L 2 MGH96M100D5A Mid 3 Mid L 2 Mid 3 Mid L 2 MGH96M120D5A Mid H 4 Mid 3 Mid H 4 Mid 3 Table...

Страница 48: ...mounted limit switches are located beside the blower housing They are temperature sensors which are automatically reset They are used to prevent overheating by hot air when the furnace is installed ho...

Страница 49: ...es 4 Discharge your body to ground before removing a new control from its container Follow steps 1 through 3 if installing the control on a furnace Return any old or new controls to their containers b...

Страница 50: ...h open with inducer on Pressure switch cycle lockout High fire pressure switch open with high inducer on Pressure switch hose blocked pinched or connected improperly blocked flue or weak induced draft...

Страница 51: ...perate 10 FLASH Gas valve fault code Valve receives voltage from a short Control module failure 1 Correct the wire connection 2 Replace control module Turn power OFF prior to repair Furnace fails to o...

Страница 52: ...filter s at the time of installation Filter maintenance Improper filter maintenance is the most common cause of inadequate heating or cooling performance Clean permanent filter or replace disposable f...

Страница 53: ...ractor installer or service agency can clean the burners 15 7 Inspecting the Heat Exchanger Qualified Service Technicians Only NOTICE If the heat exchangers get a heavy accumulation of soot and carbon...

Страница 54: ...me Sensor 3 Chamber Limit Switch Fixed 4 Condensate Overflow Switch 5 Inducer 6 Door Switch 7 Integrated Control Module 8 Blower 9 Transformer 10 Condensate Trap 11 Juction Box Please contact your loc...

Страница 55: ...PRGH 05 05 1 1 09 09 09 09 1 1 36 36 09 09 36 36 72 72 0 52 0 52 05 05 3 3 1 1 1 1 1 1 225 225 6 7 6 7 81 7 21 2 81 7 21 2 1 1 1 6 211 7 6 211 7 1 1 1 1 5 1 5 1 1 1 1 1 1 1 1 1 05 1 05 1 86 8 6 80 5 8...

Страница 56: ...United States and Canada Ecoer Inc 3900 Jermantown Rd 300 Fairfax VA 22030 Phone 703 348 2538 Tech Support 888 598 4093 www ecoer com...

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