1441 04 2023 01 March 2009
Four Position FurnaceModels
*8MPT050B12B1*8MPT075F14B1*8MPT100F14B1*8MPT100J20B1*8MPT125J20B1*8MPV050B12C1*8MPV075F14C1*8MPV100J20C1*8MPV125J20C1
* Denotes Brand (C, H, T)
Manufactured by:
International Comfort Products, LLCLewisburg, TN 37091
Save This Manual For Future Reference
Technical Support (*8MPT) 2. . . . . . . . . . . . . . . .Circulation Air Blower Data (*8MPT) 3. . . . . . . . .Wiring Diagram (*8MPT) 4. . . . . . . . . . . . . . . . . . .Parts (*8MPT) 5. . . . . . . . . . . . . . . . . . . . . . . . . . .Technical Support (*8MPV) 9. . . . . . . . . . . . . . .Circulation Air Blower Data (*8MPV) 10. . . . . . . . .Wiring Diagram (*8MPV) 19. . . . . . . . . . . . . . . . . .Parts (*8MPV) 20. . . . . . . . . . . . . . . . . . . . . . . . . .
2 441 04 2023 01Specifications are subject to change without notice.
TECHNICAL SUPPORT
Manufacturers Number (Mfr No --See Rating Plate)ALL Models
Specifications
*8MPT050B12B *8MPT075F14B *8MPT100F14B *8MPT100J20B *8MPT125J20B
GeneralGas Type Nat Propane Nat Propane Nat Propane Nat Propane Nat Propane
Input (Btuh) Std/Alt. HI HeatLO Heat
Output (Btuh) Std/Alt. HI HeatLO Heat
Temp. Rise (oF/oC) HI HeatLO Heat
50,00035,00040,00028,000
30--60/17--3325--55/14--30
75,00052,50060,00042,000
30--60/17--3325--55/14--30
100,00070,00081,00057,000
35--65/19--4635--65/19--46
100,00070,00081,00061,000
35--65/19--4635--65/19--46
125,00087,500101,00071,000
30--60/17--3325--55/14--30
Electrical (Volts/Hz) 115/60 115/60 115/60 115/60 115/60
Rating Plate Amps. 9.8 9.8 9.3 12.1 12.1
Transformer Size (VA)T’stat Heat Anticipator
40.50
40.50
40.50
40.50
40.50
40.50
40.50
40.50
40.50
40.50
Gas & IgnitionGStd. Main Orifices (No/Size) 2/#42 2/#54 3/#42 3/#54 4/#42 4/#54 4/#42 4/#54 5/#42 5/#54
Gas Valve (Honeywell) VRRegulation TypeManifold Press. HI Heat (in wc/Pa)
LO Heat (in wc/Pa)
8205QSNAP
3.5/8721.7/423
8205QSNAP
10.0/24914.9/1221
8205QSNAP
3.5/8721.7/423
8205QSNAP
10.0/24914.9/1221
8205QSNAP
3.5/8721.7/423
8205QSNAP
10.0/24914.9/1221
8205QSNAP
3.5/8721.7/423
8205QSNAP
10.0/24914.9/1221
8205QSNAP
3.5/8721.7/423
8205QSNAP
10.0/24914.9/1221
Ignition Type Hot Surface
CombustionFlue Collar Size in(mm) 4 (101.6)
Limits & ControlsFurnace Control (Type)Furnace Control On delay(Timed--secs) Off delay
Integrated30HI/45LO
60,100,140,180
Thermal Sensor (oF/oC)Limit Control Setting
300/149See Limit in Parts List
300/149See Limit in Parts List
300/149See Limit in Parts List
300/149See Limit in Parts List
300/149See Limit in Parts List
Std. Pressure Sw. (in wc/Pa) Part NoHI Heat Press (Close)HI Heat Press (Open)LO Heat Press (Close)LO Heat Press (Open)
1013862--0.69(--172)--0.59(--147)--0.40(--100)--0.30(--75)
1013862--0.69(--172)--0.59(--147)--0.40(--100)--0.30(--75)
1013862--0.69(--172)--0.59(--147)--0.40(--100)--0.30(--75)
1013862--0.69(--172)--0.59(--147)--0.40(--100)--0.30(--75)
1013862--0.69(--172)--0.59(--147)--0.40(--100)--0.30(--75)
Blower DataBlower Size D x W in(mm)Motor Amps/RPMMotor Type/H.P.Cap. Mfd/VoltsFilter TypeFilter Size in(mm)Min. Cool Cap. (Tons)Max. Cool Cap. (Tons)
11 x 8 (279 x 203)10.3/1100PSC/1/210/370Washable
14x25x1(356x635x25)1.53
11 x 10 (279 x 254)10.3/1100PSC/1/210/370Washable
16x25x1(406x635x25)1.53.5
11 x 10 (279 x 254)8/900PSC/1/27.5/370Washable
16x25x1(406x635x25)1.53.5
11 x 10 (279 x 254)10/1050PSC/1/210/370Washable
16x25x1(406x635x25)(2)35
11 x 10 (279 x 254)10/1050PSC/1/240/370Washable
16x25x1(406x635x25)(2)35
Gas Conversion KitsNat to LP NAHA002LP (1172959*)LP to Nat NAHA002NG (1172961*)
*Must be ordered from Service PartsUse the Fuel Gas Code to establish proper vent sizing.
3441 04 2023 01 Specifications are subject to change without notice.
Circulation Air Blower Data - *8MPT*8MPT050B12 (1) * Denotes Brand
ExternalStaticPressure
Air Delivery -- Furnace Rated @0.5 in wc (125 Pa) ESP
TAP LOW MED L MED H HIGH
in wc Pa CFM L/s CFM L/s CFM L/s CFM L/s
0.10 25 472 223 704 332 1167 551 1387 6550.20 50 418 198 671 317 1134 536 1337 6310.30 75 365 172 638 301 1102 520 1288 6080.40 100 328 155 605 286 1069 504 1241 5860.50 125 290 137 572 270 1035 488 1194 5630.60 150 250 118 547 258 987 466 1132 5340.70 174 209 99 522 246 939 443 1070 5050.80 199 ------ ------ 483 228 879 415 1004 4740.90 224 ------ ------ 443 209 820 387 937 4421.00 249 ------ ------ 370 175 753 355 858 405
*8MPT075F14 (1) * Denotes Brand
ExternalStaticPressure
Air Delivery -- Furnace Rated @0.5 in wc (125 Pa) ESP
TAP LOW MED L MED H HIGH
in wc Pa CFM L/s CFM L/s CFM L/s CFM L/s
0.10 25 595 281 767 362 1310 618 1683 7940.20 50 567 268 720 340 1289 608 1647 7770.30 75 538 254 673 318 1267 598 1611 7600.40 100 469 221 632 298 1246 588 1561 7370.50 125 400 189 590 278 1224 578 1510 7130.60 150 369 174 540 255 1184 559 1441 6800.70 174 338 160 489 231 1144 540 1372 6470.80 199 309 146 436 206 1065 503 1282 6050.90 224 280 132 382 180 986 465 1191 5621.00 249 242 114 338 160 890 420 1073 506
*8MPT100F14 (1) * Denotes Brand
ExternalStaticPressure
Air Delivery -- Furnace Rated @0.5 in wc (125 Pa) ESP
TAP LOW MED L MED H HIGH
in wc Pa CFM L/s CFM L/s CFM L/s CFM L/s
0.10 25 770 363 985 465 1328 627 1760 8310.20 50 709 335 929 438 1282 605 1718 8110.30 75 648 306 873 412 1235 583 1675 7900.40 100 596 281 823 388 1175 555 1613 7610.50 125 544 257 772 364 1115 526 1551 7320.60 150 501 236 728 344 1076 508 1478 6970.70 174 457 216 684 323 1036 489 1404 6630.80 199 409 193 628 296 966 456 1310 6180.90 224 361 170 572 270 895 422 1215 5731.00 249 308 145 508 240 811 383 1093 516
*8MPT100J20 (2) * Denotes Brand
ExternalStaticPressure
Air Delivery -- Furnace Rated @0.5 in wc (125 Pa) ESP
TAP LOW MED L MED H HIGH
in wc Pa CFM L/s CFM L/s CFM L/s CFM L/s
0.10 25 773 365 1045 493 1453 686 2147 10130.20 50 764 361 1041 486 1461 689 2142 10110.30 75 755 356 1037 489 1469 693 2128 10040.40 100 734 348 1029 489 1464 693 2113 9970.50 125 712 336 1020 481 1459 689 2078 9810.60 150 680 322 1013 478 1441 682 2029 9580.70 174 647 305 979 462 1424 672 1963 9260.80 199 601 285 942 445 1400 661 1892 8930.90 224 554 261 894 422 1347 636 1795 8471.00 249 497 235 828 391 1262 596 1705 805
*8MPT125J20 (2)(3) * Denotes Brand
ExternalStaticPressure
Air Delivery -- Furnace Rated @0.5 in wc (125 Pa) ESP
TAP LOW MED L MED H HIGH
in wc Pa CFM L/s CFM L/s CFM L/s CFM L/s
0.10 25 860 406 1149 542 1666 786 2147 10130.20 50 848 400 1154 545 1622 765 2137 10080.30 75 836 395 1158 546 1577 744 2126 10030.40 100 821 387 1149 542 1569 740 2148 10140.50 125 805 380 1140 538 1561 737 2148 10140.60 150 782 369 1111 524 1539 726 2035 9600.70 174 758 358 1081 510 1516 715 1922 9070.80 199 710 335 1045 493 1472 695 1845 8710.90 224 661 312 1009 476 1428 674 1767 8341.00 249 614 290 925 437 1357 640 1663 785
NOTE: Disposable filters are typically rated at 300 FPM (1.5 m/s). Thesefilters only allow half the airflow when compared to 600 FPM (3.0 m/s) filters.
MAX CFM (L/s) for Factory Washable Filters
Filter Size in(mm) CFM L/s
14″ X 25″ (356 x 635) 1400 661
16″ X 25″ (406 x 635) 1600 755
20″ X 25″ (508 x 635) 2000 944
24″ X 25″ (610 x 635) 2500 1180
Max CFM (L/s) based on 600 FPM (3.0 m/s)
Filter required for each return--air inlet. Airflow performance includes 1″(25.4mm) washable -- 600 FPM (3.0 m/s) max filter media.
NOTE: (1) Data based on Bottom Only or One Side return.(2) Data based on Both Sides or Bottom plus One Side(3)125J20 Reduce airflow by 5% if Bottom Only return.
4 441 04 2023 01Specifications are subject to change without notice.
Wiring Diagram *8MPT (Two Stage Heating with PSC Motor)
5441 04 2023 01Specifications are subject to change without notice.
*8MPT Parts
25--25--01b
S
W10
U
V
16
L
16
17
N9
B
C
A
2
1AA
CC
M
D
T
S
UDD
8
7
J
12
11
18 Z
XBB
14
15
P
5
4
3
F
E
G
F
6H
L L
HH
FF
19
EE
GG
Rep
rese
ntat
ive
draw
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only
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sm
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A
6 441 04 2023 01Specifications are subject to change without notice.
Replacement Parts - *8MPTModels -- *8MPT050B12B1, *8MPT075F14B1, *8MPT100F14B1, *8MPT100J20B1, *8MPT125J20B1 (Natural Gas)Replacement part supplied will be current active part. For parts not listed, consult place of purchase.
KeyNo.
Functional PartsDescription
PartNumber
*8MPT
050B12B1 075F14B1 100F14B1 100J20B1 125J20B1
1 Heat Exchanger 10143161014318101431910143201014321
1--------
--1------
----1----
------1--
--------1
2 Switch, Pressure 1014337 1 1 1 1 1
3 Wheel, Blower 10130111011420
1--
--1
--1
--1
--1
4 Mount, Motor kit * 101482410148221014823
1----
--1--
--1--
----1
----1
5 Motor, Blower 1/115 1/2 CCW1/115 1/2 CCW1/115 1/2 CCW
117249011724871172488
1----
1----
--1--
----1
----1
6 Capacitor 11717291171728
1--
1--
--1
1--
1--
7 Transformer 1172810 1 1 1 1 1
8 Control 1172551 1 1 1 1 1
9 Switch, Interlock 1171981 1 1 1 1 1
10 Burner Assembly 1172884117296511729661172967
1------
--1----
----1--
----1--
------1
11 Flame Sensor 1172827 1 1 1 1 1
12 Ignitor 1172533 1 1 1 1 1
14 Orifice, Burner # 42 1011351 2 3 4 4 5
15 Valve, Gas 1172822 1 1 1 1 1
16 Switch, Limit (Rollout) 1013102 2 2 2 2 2
17 Switch, Limit (Main) 100841734335000
13203621065294
1------
1------
--1----
----1--
------1
18 Blower, Combustion 10138661014383
1--
1--
1--
1--
--1
19 Filter 10103641010365
1--
--1
--1
--2
--2
*See Table below for bellyband location on motor
Bellyband Location on Motor
Model A
*8MPV inches mm
050B12C1 1.38 35.1
075F14C1 2.83 71.9
100J20C1 2.83 71.9
125J20C1 2.83 71.9
7441 04 2023 01Specifications are subject to change without notice.
Replacement Parts - *8MPTModels -- *8MPT050B12B1, *8MPT075F14B1, *8MPT100F14B1, *8MPT100J20B1, *8MPT125J20B1 (Natural Gas)Replacement part supplied will be current active part. For parts not listed, consult place of purchase.
KeyNo.
Non--Functional PartsDescription
PartNumber
*8MPT
050B12B1 075F14B1 100F14B1 100J20B1 125J20B1
A Panel, Top 101398210139831013984
1----
--1--
--1--
----1
----1
B Box, Junction 1172860 1 1 1 1 1
C Cover, Junction box 1012350 1 1 1 1 1
D Partition, Blower 101400910140101014011
1----
--1--
--1--
----1
----1
E Housing, Blower 11728851172969
1--
--1
--1
--1
--1
F Hanger, Blower 1012328 2 2 2 2 2
G Panel, Blower Cutoff 721020013721020008
1--
--1
--1
--1
--1
H Clamp, Capacitor 1170643 1 1 1 1 1
J Bracket, Control Mounting 1172845 1 1 1 1 1
L Door, Blower (Heil/Arcoaire)(Heil/Arcoaire)(Heil/Arcoaire)(Comfortmaker Only)(Comfortmaker Only)(Comfortmaker Only)(Tempstar Only)(Tempstar Only)(Tempstar Only)
117303711730381173039117303411730351173036117304011730411173042
1----1----1----
--1----1----1--
--1----1----1--
----1----1----1
----1----1----1
M Bracket, Door 117223111722321172233
1----
--1--
--1--
----1
----1
N Door, Louver (Heil/Arcoaire)(Heil/Arcoaire)(Heil/Arcoaire)(Comfortmaker Only)(Comfortmaker Only)(Comfortmaker Only)(Tempstar Only)(Tempstar Only)(Tempstar Only)
117300511730061173007117300211730031173004101360910136101013611
1----1----1----
--1----1----1--
--1----1----1--
----1----1----1
----1----1----1
P Manifold, Gas 1013478101347910134801013481
1------
--1----
----1--
----1--
------1
S Bracket, Manifold Support 1012377 2 2 2 2 2
T Top, Burner Box 101370510130151013016
1----
1----
--1--
--1--
----1
U Bracket, Burner Box Sides 1012532 2 2 2 2 2
V Baffle, Burner Box 101233810123391012340
1----
1----
--1--
--1--
----1
W Bottom, Burner Box 1172847117284811728491172850
1------
--1----
--1----
----1--
------1
X Collector Box 1014510101451110145091014512
1------
--1----
----1--
----1--
------1
8 441 04 2023 01Specifications are subject to change without notice.
Replacement Parts - *8MPTModels -- *8MPT050B12B1, *8MPT075F14B1, *8MPT100F14B1, *8MPT100J20B1, *8MPT125J20B1 (Natural Gas)Replacement part supplied will be current active part. For parts not listed, consult place of purchase.
KeyNo.
Non--Functional PartsDescription
PartNumber
*8MPT
050B12B1 075F14B1 100F14B1 100J20B1 125J20B1
Z Gasket, Combustion Blower 1013540 1 1 1 1 1
AA Partition, Front Heat Exchanger 10135431013545101354610135471013548
1--------
--1------
----1----
------1--
--------1
BB Gaskets, Heat Exchanger 1013991101399210139931013994
2------
--2----
----2--
----2--
------2
CC Tubing, Silicone 117219311721941172195
1----
--1--
--1--
----1
----1
DD Baffle, Nox 1014019 2 3 4 4 5
EE Wrapper, Filter Rack 741010042741010039
1--
--1
--1
--2
--2
FF Front, Filter Rack 741020004741020001
1--
--1
--1
--2
--2
GG Cover, Filter Plastic 27910422791043
1--
--1
--1
--2
--2
HH Clip, Filter 1008482 3 3 3 3 3
LL Sightglass 1172768 1 1 1 1 1
)( Parts Not Illustrated
)( Fuse, 5 Amp 1083348 1 1 1 1 1
)( Harness, Wire 1172815 1 1 1 1 1
)( Tee, Nylon 1006230 1 1 1 1 1
)( Door Screws 1014488 4 4 4 4 4
)( Door Screw Grommets 1171990 4 4 4 4 4
)( Manual, Installation 441 01 2023 01 1 1 1 1 1
)( Manual, Technical 441 01 2023 01 1 1 1 1 1
)( Manual, Users 441 02 2012 00 1 1 1 1 1
9441 04 2023 01 Specifications are subject to change without notice.
TECHNICAL SUPPORT
Manufacturers Number (Mfr No --See Rating Plate)ALL Models
Specifications
*8MPV050B12C *8MPV075F14C *8MPV100J20C *8MPV125J20C
GeneralGas Type Nat Propane Nat Propane Nat Propane Nat Propane
Transformer Size (VA)T’stat Heat Anticipator
40.50
40.50
40.50
40.50
40.50
40.50
40.50
40.50
Input (Btuh) Std/Alt. HI HeatLO Heat
Output (Btuh) Std/Alt.HI HeatLO Heat
Temp. Rise (oF/oC) HI HeatLO Heat
50,00035,00040,00028,000
30--60/17--3325--55/14--30
75,00052,50061,00042,000
30--60/17--3325--55/14--30
100,00070,00081,00061,000
35--65/19--4635--65/19--46
125,00087,500
101,00071,000
30--60/17--3325--55/14--30
Electrical (Volts/Hz) 115/60 115/60 115/60 115/60
Rating Plate Amps. 9.8 11.7 14.9 14.9
Gas & IgnitionGas TypeStd. Main Orifices (No/Size)
Nat2/#42
Propane2/#54
Nat3/#42
Propane3/#54
Nat4/#42
Propane4/#54
Nat5/#42
Propane5/#54
Gas ValveRegulation TypeManifold Press. HI Heat (in wc/Pa)
LO Heat (in wc/Pa)
VR 8205QSNAP
3.5/8721.7/423
VR 8205QSNAP
10.0/24904.9/1221
VR 8205QSNAP
3.5/8721.7/423
VR 8205QSNAP
10.0/24904.9/1221
VR 8205QSNAP
3.5/8721.7/423
VR 8205QSNAP
10.0/24904.9/1221
VR 8205QSNAP
3.5/8721.7/423
VR 8205QSNAP
10.0/24904.9/1221
Ignition Type Hot Surface
CombustionFlue Outlet Size (Inches) 4 4 4 4 4 4 4 4
Limits & ControlsFurnace Control (Type)Furnace Control On delay(Timed--secs) Off delay
Integrated30 HI /45 LO
60,100,140,180
Thermal Sensor (oF/oC)Limit Control Setting (°F)
300/149See Limit in Parts List
300/149See Limit in Parts List
300/149See Limit in Parts List
300/149See Limit in Parts List
Std. Pressure Sw. (Part #)HI Heat Press (Close)HI Heat Press (Open)
LO Heat Press (Close)LO Heat Press (Open)
1013862--0.69/--172--0.59/--147
--0.40/--100--0.30/--75
1013862--0.69/--172--0.59/--147
--0.40/--100--0.30/--75
1013862--0.69/--172--0.59/--147
--0.40/--100--0.30/--75
1013862--0.69/--172--0.59/--147
--0.40/--100--0.30/--75
Blower DataWheel Size D x W in(mm)Motor Amps FLAMotor Type/H.P.Cap. Mfd/VoltsFilter TypeFilter Size --in(mm) qtyMin. Cool Cap. (Tons)Max. Cool Cap. (Tons)
11 x 8(279 x 203)7.7
ECM/1/2----
Washable14x25x1/
2(356x635x13)1.53
11 x 10(279 x 254)9.6
ECM/3/4----
Washable16x25x1/
2(406x635x13)1.53.5
11 x 10(279 x 254)12.8
ECM/1----
Washable16x25x1/
2(406x635x13) (2)35
11 x 10(279 x 254)12.8
ECM/1----
Washable16x25x1/
2(406x635x13) (2)35
Gas Conversion KitsNat to LP NAHA002LP (1172959*)LP to Nat NAHA002NG (1172961*)
*Must be ordered from Service PartsUse the Fuel Gas Code to establish proper vent sizing.
10 441 04 2023 01Specifications are subject to change without notice.
Circulation Air Blower Data - *8MPV050Cooling Adjustment Heating Rise Adjustment
DIPSwitch
(OFF = 0 andON = 1)
High Cool @ .50 inwc(125 Pa)
Low Cool (80% of HighCool)
** AdjustJumperSetting
DIPSwitch
(OFF = 0 andON = 1)
High HeatRise
Change @0.20 in wc(50 Pa)
Low HeatRise
Change atResultantStatic5 & 6 CFM L/s CFM L/s 3 & 4
00 1235 583 988 466 + 00 --3 --3*00 1206 569 965 455 *NOM *00 0 000 1114 526 891 420 -- 00 5 401 1092 515 874 412 + 01 0 001 1021 482 817 386 NOM 01 3 401 949 448 759 358 -- 01 8 610 884 417 707 334 + 10 --2 --110 826 390 661 312 NOM 10 2 210 740 349 592 279 -- 10 6 511 650 307 520 245 + 11 --7 --511 591 279 473 223 NOM 11 --4 --311 530 250 424 200 -- 11 0 0
Airflow performance includes 1” washable filter media.*Factory Setting**Adjust Jumper Setting (+, NOM, --) is applied to both Cooling and HeatingNote 1: HP Mode Jumper provides a 10% reduction in airflow when in Comfort position and a call for low or high cooling is presentwith the ”O” line off. This feature is to provide lower airflow for running in HP Heating Mode if desirable.Note 2: DEHUM mode (24VAC on DEHUM terminal) provides a 20% airflow reduction during cooling calls.Note 3: Low Heat ESP is a result of High Heat ESP (-- is decrease in rise).Note 4: High and low heat rise values are approximate air temperature change from return air temperature when at factory defaultsettings.
Table 2 AirflowDIP Switch
(OFF = 0 and ON = 1)Continuous Fan @
0.10 in wc (25 Pa) ESP1 & 2 CFM L/s*00 620 29301 1060 50010 1333 62911 1333 629
* Factory Setting
Table 3 SW2 DIP AssignmentsDIP Switch Blower Parameter
1 & 2 Cont Fan Adj3 & 4 Heat Speed Adj5 & 6 Cool Speed Adj7 & 8 Cool On/Off Delay
Table 4Cooling Delay Options (SW2 -- 7, 8)
ON DELAY OFF DELAY
DIP SW2 -- 7/8(OFF = 0 and ON = 1)
Timed ON (sec) Airflow during ondelay Timer OFF (sec) Airflow during off
delay*00 5 OFF 90 100%01 5 OFF 0 OFF10 30 50% 30 100%11 30 50% 180 50%
Airflow % is of High Cool airflow demand determined from SW2--5/6 Table 1Airflow resumes to 100% after on delay time is completedAirflow stops (or switches to continuous fan speed) after off delay time is completed* Factory Setting
MAX CFM (L/s) for Factory Washable Filters
Filter Size in(mm) CFM(L/s)
14″ X 25″ (356 x 635) 1400 (661)
16″ X 25″ (406 x 635) 1600 (755)
20″ X 25″ (508 x 635) 2000 (944)
24″ X 25″ (610 x 635) 2500 (1180)
Max CFM (L/s) based on 600 FPM (3.0 m/s)
NOTE: Disposable filters are typically rated at 300 FPM (1.5 m/s). These fil-ters only allow half the airflow when compared to 600 FPM (3.0 m/s) filters.
11441 04 2023 01 Specifications are subject to change without notice.
Circulation Air Blower Data - *8MPV050Cooling Airflow Settings
High Cooling Airflows*8MPV050B12
200
400
600
800
1000
1200
1400
1600
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
ESP (in. w.c.)
CFM
00 (+)00 (NOM)00 (-)01 (+)01 (NOM)01 (-)10 (+)10 (NOM)10 (-)11 (+)11 (NOM)11 (-)
Low Cooling Airflows*8MPV050B12
0
200
400
600
800
1000
1200
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
ESP (in. w.c.)
CFM
00 (+)00 (NOM)00 (-)01 (+)01 (NOM)01 (-)10 (+)10 (NOM)10 (-)11 (+)11 (NOM)11 (-)
NOTE: OFF = 0 and ON = 1
12 441 04 2023 01Specifications are subject to change without notice.
Circulation Air Blower Data - *8MPV075Cooling Adjustment Heating Rise Adjustment
DIPSwitch
(OFF = 0 andON = 1)
High Cool @ .50 inwc(125 Pa)
Low Cool (80% of HighCool)
** AdjustJumperSetting
DIPSwitch
(OFF = 0 andON = 1)
High HeatRise
Change @0.20 in wc(50 Pa)
Low HeatRise
Change atResultantStatic5 & 6 CFM L/s CFM L/s 3 & 4
00 1550 731 1240 585 + 00 --3 --2*00 1423 672 1138 537 *NOM *00 0 000 1240 585 992 468 -- 00 3 301 1524 719 1219 575 + 01 0 001 1209 571 967 456 NOM 01 2 301 1038 490 830 392 -- 01 7 610 1131 534 905 427 + 10 --3 --310 1005 474 804 379 NOM 10 0 110 851 402 681 321 -- 10 3 411 908 429 726 343 + 11 --8 --711 777 367 622 294 NOM 11 --7 --611 651 307 521 246 -- 11 --4 --2
Airflow performance includes 1” washable filter media.* Factory Setting** Adjust Jumper Setting (+, NOM, --) is applied to both Cooling and HeatingNote 1: HP Mode Jumper provides a 10% reduction in airflow when in Comfort position and a call for low or high cooling is presentwith the ”O” line off. This feature is to provide lower airflow for running in HP Heating Mode if desirable.Note 2: DEHUM mode (24VAC on DEHUM terminal) provides a 20% airflow reduction during cooling calls.Note 3: Low Heat ESP is a result of High Heat ESP (-- is decrease in rise).Note 4: High and low heat rise values are approximate air temperature change from return air temperature when at factory defaultsettings.
Table 2 AirflowDIP Switch
(OFF = 0 and ON = 1)Continuous Fan @
0.10 in wc (25 Pa) ESP1 & 2 CFM L/s*00 700 33001 1244 58710 1597 75411 1597 754
* Factory Setting
Table 3 SW2 DIP AssignmentsDIP Switch Blower Parameter
1 & 2 Cont Fan Adj3 & 4 Heat Speed Adj5 & 6 Cool Speed Adj7 & 8 Cool On/Off Delay
Table 4Cooling Delay Options (SW2 -- 7, 8)
ON DELAY OFF DELAYDIP SW2 -- 7/8
(OFF = 0 and ON = 1)Timed ON (sec) Airflow during on
delay Timer OFF (sec) Airflow during offdelay
*00 5 OFF 90 100%01 5 OFF 0 OFF10 30 50% 30 100%11 30 50% 180 50%
Airflow % is of High Cool airflow demand determined from SW2--5/6 Table 1Airflow resumes to 100% after on delay time is completedAirflow stops (or switches to continuous fan speed) after off delay time is completed* Factory Setting
MAX CFM (L/s) for Factory Washable Filters
Filter Size in(mm) CFM(L/s)
14″ X 25″ (356 x 635) 1400 (661)
16″ X 25″ (406 x 635) 1600 (755)
20″ X 25″ (508 x 635) 2000 (944)
24″ X 25″ (610 x 635) 2500 (1180)
Max CFM (L/s) based on 600 FPM (3.0 m/s)
NOTE: Disposable filters are typically rated at 300 FPM (1.5 m/s). These fil-ters only allow half the airflow when compared to 600 FPM (3.0 m/s) filters.
13441 04 2023 01 Specifications are subject to change without notice.
Circulation Air Blower Data - *8MPV075High Cooling Airflows
*8MPV075F14
200
400
600
800
1000
1200
1400
1600
1800
2000
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
ESP (in. w.c.)
CFM
00 (+)00 (NOM)01 (+)00 (-)01 (NOM)10 (+)01 (-)10 (NOM)11 (+)10 (-)11 (NOM)11 (-)
Low Cooling Airflows*8MPV075F14
0
200
400
600
800
1000
1200
1400
1600
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
ESP (in. w.c.)
CFM
00 (+)00 (NOM)01 (+)00 (-)01 (NOM)10 (+)01 (-)10 (NOM)11 (+)10 (-)11 (NOM)11 (-)
NOTE: OFF = 0 and ON = 1
14 441 04 2023 01Specifications are subject to change without notice.
Circulation Air Blower Data - *8MPV100Cooling Adjustment Heating Rise Adjustment
DIPSwitch
(OFF = 0 andON = 1)
High Cool @ .50 inwc(125 Pa)
Low Cool (80% of HighCool)
** AdjustJumperSetting
DIPSwitch
(OFF = 0 andON = 1)
High HeatRise
Change @0.20 in wc(50 Pa)
Low HeatRise
Change atResultantStatic5 & 6 CFM L/s CFM L/s 3 & 4
00 2101 992 1681 793 + 00 --3 --3*00 2016 951 1613 761 *NOM *00 0 000 1847 872 1478 697 -- 00 4 401 1721 812 1377 650 + 01 5 601 1600 755 1280 604 NOM 01 9 901 1470 694 1176 555 -- 01 15 1610 1334 630 1067 504 + 10 2 210 1228 580 982 463 NOM 10 7 610 1114 526 891 420 -- 10 11 1111 920 434 736 347 + 11 --9 --911 809 382 647 305 NOM 11 --7 --611 698 329 558 263 -- 11 --3 --3
Airflow performance includes 1” washable filter media.*Factory Setting**Adjust Jumper Setting (+, NOM, --) is applied to both Cooling and HeatingNote 1: HP Mode Jumper provides a 10% reduction in airflow when in Comfort position and a call for low or high cooling is presentwith the ”O” line off. This feature is to provide lower airflow for running in HP Heating Mode if desirable.Note 2: DEHUM mode (24VAC on DEHUM terminal) provides a 20% airflow reduction during cooling calls.Note 3: Low Heat ESP is a result of High Heat ESP (-- is decrease in rise).Note 4: High and low heat rise values are approximate air temperature change from return air temperature when at factory defaultsettings.
Table 2 AirflowDIP Switch
(OFF = 0 and ON = 1)Continuous Fan @
0.10 in wc (25 Pa) ESP1 & 2 CFM L/s*00 1006 47501 1764 83210 2205 104111 2205 1041
* Factory Setting
Table 3 SW2 DIP AssignmentsDIP Switch Blower Parameter
1 & 2 Cont Fan Adj3 & 4 Heat Speed Adj5 & 6 Cool Speed Adj7 & 8 Cool On/Off Delay
Table 4Cooling Delay Options (SW2 -- 7, 8)
ON DELAY OFF DELAYDIP SW2 -- 7/8
(OFF = 0 and ON = 1)Timed ON (sec) Airflow during on
delay Timer OFF (sec) Airflow during offdelay
*00 5 OFF 90 100%01 5 OFF 0 OFF10 30 50% 30 100%11 30 50% 180 50%
Airflow % is of High Cool airflow demand determined from SW2--5/6 Table 1Airflow resumes to 100% after on delay time is completedAirflow stops (or switches to continuous fan speed) after off delay time is completed* Factory Setting
MAX CFM (L/s) for Factory Washable Filters
Filter Size in(mm) CFM(L/s)
14″ X 25″ (356 x 635) 1400 (661)
16″ X 25″ (406 x 635) 1600 (755)
20″ X 25″ (508 x 635) 2000 (944)
24″ X 25″ (610 x 635) 2500 (1180)
Max CFM (L/s) based on 600 FPM (3.0 m/s)
NOTE: Disposable filters are typically rated at 300 FPM (1.5 m/s). These fil-ters only allow half the airflow when compared to 600 FPM (3.0 m/s) filters.
15441 04 2023 01 Specifications are subject to change without notice.
Circulation Air Blower Data - *8MPV100High Cooling Airflows
*8MPV100J20
200
700
1200
1700
2200
2700
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
ESP (in. w.c.)
CFM
00 (+)00 (NOM)00 (-)01 (+)01 (NOM)01 (-)10 (+)10 (NOM)10 (-)11 (+)11 (NOM)11 (-)
Low Cooling Airflows*8MPV100J20
0
200
400
600
800
1000
1200
1400
1600
1800
2000
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
ESP (in. w.c.)
CFM
00 (+)00 (NOM)00 (-)01 (+)01 (NOM)01 (-)10 (+)10 (NOM)10 (-)11 (+)11 (NOM)11 (-)
NOTE: OFF = 0 and ON = 1
16 441 04 2023 01Specifications are subject to change without notice.
Circulation Air Blower Data - *8MPV125Cooling Adjustment Heating Rise Adjustment
DIPSwitch
(OFF = 0 andON = 1)
High Cool @ .50 inwc(125 Pa)
Low Cool (80% of HighCool)
** AdjustJumperSetting
DIPSwitch
(OFF = 0 andON = 1)
High HeatRise
Change @0.20 in wc(50 Pa)
Low HeatRise
Change atResultantStatic5 & 6 CFM L/s CFM L/s 3 & 4
00 2153 1016 1722 813 + 00 --3 --3*00 2001 944 1601 756 *NOM *00 0 000 1808 853 1446 682 -- 00 4 401 1761 931 1409 665 + 01 --1 001 1621 765 1297 612 NOM 01 4 301 1458 688 1166 550 -- 01 8 810 1345 635 1076 508 + 10 --2 --110 1216 574 973 459 NOM 10 2 210 1074 507 859 405 -- 10 7 511 933 440 746 352 + 11 --6 --411 802 378 642 303 NOM 11 --3 --211 692 327 554 261 -- 11 1 1
Airflow performance includes 1” washable filter media.*Factory Setting**Adjust Jumper Setting (+, NOM, --) is applied to both Cooling and HeatingNote 1: HP Mode Jumper provides a 10% reduction in airflow when in Comfort position and a call for low or high cooling is presentwith the ”O” line off. This feature is to provide lower airflow for running in HP Heating Mode if desirable.Note 2: DEHUM mode (24VAC on DEHUM terminal) provides a 20% airflow reduction during cooling calls.Note 3: Low Heat ESP is a result of High Heat ESP (-- is decrease in rise).Note 4: High and low heat rise values are approximate air temperature change from return air temperature when at factory defaultsettings.
Table 2 AirflowDIP Switch
(OFF = 0 and ON = 1)Continuous Fan @
0.10 in wc (25 Pa) ESP1 & 2 CFM L/s*00 1013 47801 1674 79010 2193 103511 2193 1035
* Factory Setting
Table 3 SW2 DIP AssignmentsDIP Switch Blower Parameter
1 & 2 Cont Fan Adj3 & 4 Heat Speed Adj5 & 6 Cool Speed Adj7 & 8 Cool On/Off Delay
Table 4Cooling Delay Options (SW2 -- 7, 8)
ON DELAY OFF DELAY
DIP SW2 -- 7/8(OFF = 0 and ON = 1)
Timed ON (sec) Airflow during ondelay Timer OFF (sec) Airflow during off
delay*00 5 OFF 90 100%01 5 OFF 0 OFF10 30 50% 30 100%11 30 50% 180 50%
Airflow % is of High Cool airflow demand determined from SW2--5/6 Table 1Airflow resumes to 100% after on delay time is completedAirflow stops (or switches to continuous fan speed) after off delay time is completed* Factory Setting
MAX CFM (L/s) for Factory Washable Filters
Filter Size in(mm) CFM(L/s)
14″ X 25″ (356 x 635) 1400 (661)
16″ X 25″ (406 x 635) 1600 (755)
20″ X 25″ (508 x 635) 2000 (944)
24″ X 25″ (610 x 635) 2500 (1180)
Max CFM (L/s) based on 600 FPM (3.0 m/s)
NOTE: Disposable filters are typically rated at 300 FPM (1.5 m/s). These fil-ters only allow half the airflow when compared to 600 FPM (3.0 m/s) filters.
17441 04 2023 01 Specifications are subject to change without notice.
Circulation Air Blower Data - *8MPV125High Cooling Airflows
*8MPV125J20
200
700
1200
1700
2200
2700
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
ESP (in. w.c.)
CFM
00 (+)00 (NOM)00 (-)01 (+)01 (NOM)01 (-)10 (+)10 (NOM)10 (-)11 (+)11 (NOM)11 (-)
Low Cooling Airflows*8MPV125J20
0
200
400
600
800
1000
1200
1400
1600
1800
2000
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
ESP (in. w.c.)
CFM
00 (+)00 (NOM)00 (-)01 (+)01 (NOM)01 (-)10 (+)10 (NOM)10 (-)11 (+)11 (NOM)11 (-)
NOTE: OFF = 0 and ON = 1
18 441 04 2023 01Specifications are subject to change without notice.
Variable Speed (MPV) Tap Select Interface Board (TSIB)
25--25--54
TO FURNACE BOARDP3
BLU WHT
GRN BLK
BRN YEL
SW2
P7
ON
OFFCONTFAN
HEAT COOL COOLDLY
TO FURNACECONTROL 24VAC
RED
FROM 24V
TRANS RED
HP MODE
AC/HP EFFICIENCY
HP COMFORT
J2+ NOM --
BLOWER ADJUST
J1
Y1O AC/HP EFFICIENCY
HP COMFORT
J2
+ NOM --
J1
1 2 3 4 65 7 8
SELECT
SELECTION
BLOWER ADJUST
INCREASE/NO CHANGE/DECREASE
HP MODESELECT
HEAT PUMP EFFICIENCY ORHP COMFORT SELECTION1 2 3 4 65 7 8
CONT HEATFAN
COOL COOLDLY
CONTINUOUSCFM SELECT
HEATING RISESELECT
COOLING CFMSELECT
COOLING ON/OFFDELAY PROFILES
SW2
ON = 1
1 8
OFF = 0
19441 04 2023 01 Specifications are subject to change without notice.
Wiring Diagram *8MPV (Variable Speed Blower Motor)
20 441 04 2023 01Specifications are subject to change without notice.
*8MPV Parts
S
W
10U
V
16
L
16
17
N
5
43
9
B
C
A
2
1AA
25--25--19
CC
M
D
T
S
F
E
G
F
UDD
8
7
J
12
11
18 Z
XBB
14
15
P
6H
L L
21
HH
EE
19
FF
GG
20
Rep
rese
ntat
ive
draw
ing
only
,som
em
odel
sm
ayva
ryin
appe
aran
ce.
21441 04 2023 01 Specifications are subject to change without notice.
Replacement Parts - *8MPVModels -- *8MPV050B12C1,*8MPV075F14C1, *8MPV100J20C1 &*8MPV125J20C1 (Natural Gas)
Replacement part supplied will be current active part. For parts not listed, consult place of purchase.
KeyNo.
Functional PartsDescription
PartNumber
*8MPV
050B12C1 075F14C1 100J20C1 125J20C1
1 Heat Exchanger 1014316101431810143201014321
1------
--1----
----1--
------1
2 Switch, Pressure 1014337 1 1 1 1
3 Wheel, Blower 10130111172129
1--
--1
--1
--1
4 Mount, Motor kit* 1014822 1 1 1 1
5 Motor, Blower 11728281172829
1--
--1
--1
--1
7 Transformer 1172810 1 1 1 1
8 Control 1172809 1 1 1 1
9 Switch, Interlock 1171981 1 1 1 1
10 Burner Assembly 1172884117296511729661172967
1------
--1----
----1--
------1
11 Flame Sensor 1172827 1 1 1 1
12 Ignitor 1172533 1 1 1 1
14 Orifice, Burner # 42 1011351 2 3 4 5
15 Valve, Gas 1172822 1 1 1 1
16 Switch, Limit (Rollout) 1013102 2 2 2 2
17 Switch, Limit (Main) 100841713203621065294
1----
1----
--1--
----1
18 Blower, Combustion 10138661014383
1--
1--
1--
--1
19 Filter 10103641010365
1--
--1
--2
--2
20 Control, Motor Variable Spd 1174890117489111748921174893
1------
--1----
----1--
------1
21 Board, Tap Select Interface 1174894 1 1 1 1
*See Table below for bellyband location on motor
Bellyband Location on Motor
Model A
*8MPV inches mm
050B12C1 1.38 35.1
075F14C1 2.83 71.9
100J20C1 2.83 71.9
125J20C1 2.83 71.9
A
22 441 04 2023 01Specifications are subject to change without notice.
Replacement Parts - *8MPVModels -- *8MPV050B12C1,*8MPV075F14C1, *8MPV100J20C1 &*8MPV125J20C1 (Natural Gas)
Replacement part supplied will be current active part. For parts not listed, consult place of purchase.
KeyNo.
Non--Functional PartsDescription
PartNumber
*8MPV
050B12C1 075F14C1 100J20C1 125J20C1
A Panel, Top 101398210139831013984
1----
--1--
----1
----1
B Box, Junction 1172860 1 1 1 1
C Cover, Junction box 1012350 1 1 1 1
D Partition, Blower 101400910140101014011
1----
--1--
----1
----1
E Housing, Blower 11728851172969
1--
--1
--1
--1
F Hanger, Blower 1012328 2 2 2 2
G Panel, Blower Cutoff 721020013721020008
1--
--1
--1
--1
J Bracket, Control Mounting 1172845 1 1 1 1
L Door, Blower (Heil/Arcoaire)(Heil/Arcoaire)(Heil/Arcoaire)(Comfortmaker Only)(Comfortmaker Only)(Comfortmaker Only)(Tempstar Only)(Tempstar Only)(Tempstar Only)
117502711750281175029117502411750251175026117503011750311175032
1----1----1----
--1----1----1--
----1----1----1
----1----1----1
M Bracket, Door 117223111722321172233
1----
--1--
----1
----1
N Door, Louver (Heil/Arcoaire)(Heil/Arcoaire)(Heil/Arcoaire)(Comfortmaker Only)(Comfortmaker Only)(Comfortmaker Only)(Tempstar Only)(Tempstar Only)(Tempstar Only)
117300511730061173007117300211730031173004117306111730621173063
1----1----1----
--1----1----1--
----1----1----1
----1----1----1
P Manifold, Gas 1013478101347910134801013481
1------
--1----
----1--
------1
S Bracket, Manifold Support 1012377 2 2 2 2
T Top, Burner Box 101370510130151013016
1----
1----
--1--
----1
U Bracket, Burner Box Sides 1012532 2 2 2 2
V Baffle, Burner Box 101233810123391012340
1----
1----
--1--
----1
W Bottom, Burner Box 1172847117284811728491172850
1------
--1----
----1--
------1
X Collector Box 1014510101451110145091014512
1------
--1----
----1--
------1
Z Gasket, Combustion Blower 1013540 1 1 1 1
23441 04 2023 01 Specifications are subject to change without notice.
Replacement Parts - *8MPVModels -- *8MPV050B12C1,*8MPV075F14C1, *8MPV100J20C1 &*8MPV125J20C1 (Natural Gas)
Replacement part supplied will be current active part. For parts not listed, consult place of purchase.
KeyNo.
Non--Functional PartsDescription
PartNumber
*8MPV
050B12C1 075F14C1 100J20C1 125J20C1
AA Partition, Front Heat Exchanger 1013543101354510135471013548
1------
--1----
----1--
------1
BB Gaskets, Heat Exchanger 1013991101399210139931013994
2------
--2----
----2--
------2
CC Tubing, Silicone 117219311721941172195
1----
--1--
----1
----1
DD Baffle, Nox 1014019 2 3 4 5
EE Wrapper, Filter Rack 741010042741010039
1--
--1
--2
--2
FF Front, Filter Rack 741020004741020001
1--
--1
--2
--2
GG Cover, Filter Plastic 27910422791043
1--
--1
--2
--2
HH Clip, Filter 1008482 3 3 3 3
LL Sightglass 1172768 1 1 1 1
)( Parts Not Illustrated
)( Fuse, 5 Amp 1083348 1 1 1 1
)( Harness 11728151172816
1--
1--
--1
1--
)( Harness, Wire Blower Variable Speed 1174758 1 1 1 1
)( Tap, Pressure 1006230 1 1 1 1
)( Door Screws 1014488 1 1 1 1
)( Door Screw Grommets 1171990 1 1 1 1
)( Manual, Installation 441 01 2023 01 1 1 1 1
)( Manual, Technical 441 01 2023 01 1 1 1 1
)( Manual, Users 441 02 2012 00 1 1 1 1
International Comfort Products, LLCLewisburg, TN 37091 U.S.A.
24 441 04 2023 01Specifications are subject to change without notice.
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