Factory Speed Tap Settings - MORTEX E30A2D005AAA User's Information Manual

Factory Speed Tap Settings @ .3 ESP with Filter and Coil
Series Model Sp Tap Nom-Tons
E30A2DxxxAAA Low 2.0-2.5
or Med 2.5-3.0
E30A2DxxxABB High 3.0-3.5
T-1
E30B3DxxxAAA
T-2
or
T-3
T-4
E30B3DxxxABB
T-5
T-1
E30B4DxxxAAA
T-2
T-3
or
T-4
E30B4DxxxABB
T-5
T-1
E30B5DxxxAAA
T-2
T-3
or
T-4
E30B5DxxxABB
T-5
E30A2**** 1/2 HP PSC Motor
E30B3**** 1/3 HP X-13 Motor
E30B4**** 1/2 HP X-13 Motor
E30B5**** 3/4 HP X-13 Motor
(+) Metering device, Piston, TXV
(++) Refrigerant Connection, 0P, 2P, 3P, 4P or 6P
xxx Designates Kilowatts, 015 = 15kW
CFM Shown with Dry Coil and Filter in place, Wet Coil Correction 4-6%
Coil Face Velocity Formula & Maximum Allowances when using the X-13 Motor
Coil Series CFM Face Area Nominal FPM Coil Models (See Note Below)
750
925
96-Series
1120
1300
1380
97-Series
1440
1520
1520
98-Series 1680
1680
1680
1680
Air Velocity Formula: CFM / Coil Face Area = Air FPM.
Note: When setting up the speed tap on the E30B furnaces with the X-13 motor the coil face area must be taken into account so as not to exceed
330 Feet Per Minute of air across the coil. Anything higher will blow water off the coil and will be the responsibility of the installing contractor.
Table 2: Factory Speed Tap Settings
MORTEX PRODUCTS INC
CFM Coil Range (See Coil Face Velocity Chart Below)
950
96-Series, 97-Series, 98-Series
1100
1400
1.5 580
2.0 750
96-Series, 97-Series, 98-Series
2.5 925
3.0 1120
3.5 1300
2.0 800
2.5 950
96-Series (Do Not use T-5 w/96-),
3.0 1120
3.5 1260
4.0 1380
3.0 1080
3.5 1300
4.0 1440
4.0 1520
5.0 1680
Electric Furnace temperature rise (TR) can be used to determine air flow delivered. This result can then be
used to determine FPM velocity across the coil face area using the chart below. Set Furnace (Isolate the
Heat Pump, just operate the Furnace) to run all the heater strips and then check return air and supply air
temperature. Make sure all strips are operating. The difference is the TR
CFM = (kW x 3412) x (Voltage Correction Less Than 240V) x 1.08 / TR
3.11 242 96-8(Z,5,G,8,W)2(+)-(++)P
3.32 279 96-(R,M)(2,3,4)4(+)-(++)P
3.56 315 96-8(Z,2,3,4,5,G,8,W)(3,5)(+)-(++)P
4.06 321 96-(8,R,M)(Z,2,3,4,5,G,8,W)(4,6)(+)-(++)P
4.44 311 97-(8,R,M)(Z,2,3,4,5,G,8,W)(5,7)(+)-(++)P
5.33 270 98-(8,R,M)(Z,2,3,4,5,G,8,W)(7,10)(+)-(++)P
5.78 263 98-(8,R,M)(Z,2,3,4,5,G,8,W)(8,11)(+)-(++)P
6.22 245 98-(8,R,M)(Z,2,3,4,5,G,8,W)(9,12)(+)-(++)P
6.67 252 98-(8,R,M)(Z,2,3,4,5,G,8,W)(10,13)(+)-(++)P
7.11 237 98-(8,R,M)(Z,2,3,4,5,G,8,W)(11,14)(+)-(++)P
7.56 223 98-(8,R,M)(Z,2,3,4,5,G,8,W)(12,15)(+)-(++)P
8.00 210 98-(8,R,M)(Z,2,3,4,5,G,8,W)(13,17)(+)-(++)P (See Example)
97-Series, 98-Series
98-Series only
Example: CFM = (15kW x 3412) x .96 x 1.08 / 56 TR
Example of Coil Complete Model # 98-8G13Y-0P.
FORT WORTH, TX 76106
Max kW
12
15
20
5
8
8
10
12
12
15
15
17
20
17
20
20
20
20
51180 x .96 x 1.08 / 56 = 948 CFM
Max FPM
300
300
320
325
325
330
330
330
330
330
330
330
Blower Setting
Factory Setting High
Factory Setting T-5
Factory Setting T-4
Factory Setting T-3
Voltage Correction < 240V
.96 = 230 Volts
.92 = 220 Volts
.87 = 208 Volts
Note
WARNING
Exceeding these
nominal and / or
maximum allowances
may cause water blow
off from the coil, which;
may damage furnace,
void furnace warranty
and limit liability from
those damages
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