HomeMy WebLinkAboutApplication Engineering for Heating & CoolingAPPLICATION ENGINEERING
FOR HEATING AND COOLING
JACOBSEN HOMES
901 4th St North
Safety Harbor, FL 34695
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Manufacturer's Model #: MCP-3037-M1426 CqR ER P"
HVAC System Type: OVERHEAD GRAD FLEX FOR UP -FLOW (SPLIT A/C)
Prepared By LaSalle Air Systems 71512018 (Method & Output 20181
All rights reserved: this information proprietary to LaSalle Bristol Co. and JACOBSEN HOMES
Calculations on this page are based on design standards set forth in ASHR4E and ACCA Manuals J Rev 8.2 and D Rev 1.1. System registers are located
for best distribution based on Manual T. Design calculations are based on ACTUAL orientation. Room loads may vary based on actual conditions.
ENTIRE HOUSE VALUES - DESIGN ZONE: FL, Region 2A FBC (2017)/IECC (2015) 30N Latitude
COOLING LOAD: 19,716 Btuh for Outside Temp/Humidity of 96 ° F ( 35 C)/ 48% and Inside reduced to 75 ° F (23 C)/ 50%
HEATING LOAD: 18,066 Stuh based on outside temp of 17 ° F ( -9 C) with inside temp raised to 72 ° F (22 C)
Crawlspace is not heated by the primary air handler. Actual UA =181.7 Max UA (Table R402.1.2) = 229.4
Use net wall area, not gross wall
CONSTRUCTION DETAILS & U / SHGC VALUES: (22+Non-ins Rim -19 - 30) GREEN ORIENTATION
Total Cond. Floor Area:
862.00 s.f.
TRUE Outside Perimeter:
135.00 ft
Level 1 Ceiling: 108 to 108 in. Level 2
Ceiling:
0 to 0 in.
Level 3 Ceiling: 0 to 0 in.
Net Roof Area (less ducts): 785.7 s.f.
Primary Wall Area:
1072.46 s.f. (Net)
Dark Roof(U): 0.032
FLOOR DUCTS (U):
n/a Duct TEL
Secondary Wall Area:
0.00 s.f. (Net)
Prim Wall
(U): 0.059
ATTIC DUCTS (U):
0.125 363.2 ft
TOTAL Low-E window
120.83 s.f.
Sec Wall (U): 0.030
EXT. DUCTS (U):
0.125
TOTAL S.G.D.
0.00 s.f.
Exp Floor(U): 0.044
INFLOOR DUCT AREA:
0 S.F. @ 51 TD/ 29.8 TD
TOTAL Glass Block
0.00 s.f.
Low-E wi
0.350 / 0.28
ATTIC DUCT AREA:
89.372 S.F. @ 95 TD/ 94.1 TD
TOTAL Skylite
0.00 s.f.
S.G.D.
0.480 / 0.39
EXT. DUCT AREA:
0 S.F. @ 95 TD/ 49 TD
TOTAL Doorl Area:
21.70 s.f.
Glass Blc
0.630 / 0.51
PEOPLE: 3
3421.3 Btuh Total Appliances
TOTAL Door2 Area:
0.00 s.f.
Skylite
0.790 / 0.64
FIREPLACES:
0
All Glass % of Floor:
14.02 %
Door 1:
OA60
DUCT GAIN: @ Semi -Tight
1102 Btuh
All Glass % of Wall:
9.95 %
Door 2:
0.670
DUCT LOSS:
1194 Btuh
LATENT GAIN:
4405 Btuh
Summer Infiltr (7.5 mph):
28.1 cfm
Mech. Ventilation :
63.12 cfn ( 29.8 L/s)
Altitude:
40 ft
Winter Infiltration (15 mph):
52.9 cfm @ Semi -Tight
ROOM BY ROOM VALUES:
585.3
FPM, max velocity in trunk#: 2
Heat Exiting Furnace:
96 deg A/C Exiting :
50 deg
0.13
Max pressure at A/H
NOTICE: Due to
glass area variations, the hourly cooling
Cooling Air
Heating Air
loads may not be balanced by a single -zone system
Values for
Values for 30
7.5 KW Maximum A/C capacity
HEATING COOLING
CFM
2 ton unit 90 % Gas/Oil
Elec Calibrated Blower Test
ROOM NAME
LOSS (Btu) GAIN (Btu)
DIST
CFM
Btuh CFM Btuh
E Btuh Btuh (sit adj)
Living Room c
4,668 5,118
179
199
5,704 192 6,476
6,137 9,315
Bath#2 h
1,119 986
35
48
1,376 46 1,562
1,481 2,249
M. Bedroom c
3,368 3,522
126
147
4,224 142 4,795
4,545 6,874
Bedroom #2 c
2,714 2,929
104
129
3,689 124 4,188
3,970 6,004
Bath #1 c
943 984
34
46
1,306 44 1,483
1,406 2,136
Kitchen c
1,885 2,113
75
84
2,417 81 2,744
2,601 3,948
Dining c
3,370 4,063
144
175
5,031 169 5,712
5,414 8,139
TOTALS
18,066 19,716
698
828
23,747 798 26,960
25,552 38,665
APPLICATION ENGINEERING
DUCT AIR FLOW AND SIZING WORKSHEET (MANUAL D)
Manufacturer: JACOBSEN HOMES Model #: MCP-3037-M1426
901 4th St North HVAC System Type: OVERHEAD GRAD FLEX FOR UP -FLOW (SPLIT A/C)
Safety Harbor, FL 34695 Design Zone: FL, Region 2A FBC (2017)/IECC (2015)
Prepared by LaSalle Air Systems
7/5/2018
All rights reserved. This information proprietary to LaSalle Bristol Co. and JACOBSEN HOMES
Calculations include factors for duct air temperature change and pressure drops through ducts. All joints are tightly fitted or sealed.
Blower CFM
696
@
0.7
E.S.P. TEL= 413.2055
FR=
0.0944
(A/C Coil included)
Altitude =
40 ft
User Input
BRANCH DUCT LISTING ANALYSIS
Elec
(Altitude
Adj.) Final I
Final
BR
Trunk
Metal
F. G.
Flex
Bends/ Total Eq.
Heat
Cool
Heat
Cool
Design Round Rectangle Size
Round
Velocity
#
#
(ft)
(ft)
(ft)
Fittings(ft) Length
Btuh
Btuh
cfm
cfm
cfm Size (W.) x (i.d.)
Size
fpm
1 M. Bedroom
2
0
4
20
230.4 254.4
3,368
3,522
114
124
124 5.83
7.0
463.5
2 Bath#2
2
0
4
17
322.6 343.6
1,119
986
38
35
38 4.10
5.0
276.8
3 Living Room
2
0
4
11
227.7 242.7
2,371
2,600
80
91
91 5.18
6.0
465.7
4 Living Room
2
0
4
20
230.4 254.4
2,296
2,518
77
89
89 5.18
6.0
450.9
5 Bedroom #2
3
0
.4
13
285.8 302.8
2,714
2,929
92
103
103 5.74
7.0
385.4
6 Bath #1
3
0
4
16
343.2 363.2
943
984
32
35
35 4.04
5.0
253.8
7 Kitchen
3
0
4
17
287 308.0
1,885
2,113
64
74
74 5.15
6.0
378.4
8 Dining
3
0
4
27
290 321.0
3,370
4,063
114
143
143 6.74
8.0
409.3
N/A Other Rooms
-
-
TRUNK DUCT LISTING ANALYSIS
TRUNK# 1
TRUNK# 2
TRUNK# 3
TRUNK # 4
TRUNK # 5
TRUNK# 6
TRUNK# 7
TRUNK# 8
TRUNK # 9
TRUNK# 10
TRUNK# 11
TRUNK# 12
TRUNK # 13
TRUNK # 14
TRUNK# 15
LONGEST
RETURN DUCT
18,066 19,716 609 693 696
"0 7-13-18 =�
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ti
4 90
94.0 18,066 19,716
696
9.72
14.0
651.4
4 94
98.0 18,066 19,716
696
9.76
13
17
16.2
453.8
5 194.851
199.9 8,912 10,089
355
8.38
12.0
451.7
-
0
0
0
0
0
0
_
0
0
0
0
0
0
_
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
0
50
50
696
9.30
19
19
20.8
277.8
APPLICATION ENGINEERING
EQUIPMENT SELECTION AND SIZING WORKSHEET (MANUAL S)
Manufacturer: JACOBSEN HOMES Model #: MCP-3037-M1426
901 4th St North HVAC System Type: OVERHEAD GRAD FLEX FOR UP -FLOW (SPLIT A/C)
Safety Harbor, FL 34695 Design Zone: FL, Region 2A FBC (2017)/IECC (2015)
Prepared by LaSalle Air Systems 71512018 All rights reserved. This information proprietary to LaSalle Bristol Co. and JACOBSEN HOMES
RESULTS FROM MANUAL J CALCULATIONS: Actual Orientation
HEATING LOAD: 18,066 Btuh at 17 RECI'D BLOWER CFM: 828 cfm at altitude of 40 ft
SENSIBLE CLG LOAD: 15,311 Btuh at 96 Entering Air DRY Bulb: 76.9 Mech. Ventilation : 63
LATENT CLG LOAD: 4,405 Btuh at 96 Entering Air WET Bulb: 61.5 Entering Air RH: 53
GRAINS DIFFERENCE: 60 Outsidewetbulb: 74.7 ° outsideRH: 47.9
FILL IN BLANKS IN EACH SECTION FROM THE H.V.A.C. EQUIPMENT DATA CHARTS: (Do not use ARI Ratings!)
Air handler model #: Condenser model M
Blower Data Select blower speed in COOLING mode:
Blower CFM is between 592 > < 801 for Total (External) Static Pressure between 0.6> <0.8
=Electric, Gas or Oil Furnace Select blower speed in HEATING mode: Output Btuh is between 18969> <25292
Blower CFM is between 316 > < 373 for Temp. rise of 55-65
Blower CFM is between 373 > < 456 for Temp. rise of 45-55 PpPROVEO
Blower CFM is between 456 > < 587 for Temp. rise of 35-45 \� o
y
Cooling Equipment S/T Ratio = 0.77 Leaving Temp = 50.1 ° TD = 24.9 O 7 -13 -18
At 96F outside, Total A/C output from 20109 btuh to 22673 btuh is GOOD. z w
At 96F outside, Total A/C output from 22673 btuh to 23658 btuh is MARGINAL. V'r
Sensible Capacity is from 13108 btuh to 17513 btuh �F,Q NCO
Latent Capacity is from 4316 btuh to 6607 btuh CARTER g P
Mechanical Ventilation is 9 % of blower cfm. Dry bulb increases by: 1.9 ° Wet bulb increases by: 1 °
Heat Pump with Supplemental Heating Coils
Data from performace charts Data from load calculation
btuh at F outside 0 btuh at 72 F outside
btuh at _ F outside 18,066 btuh at 17 F outside
25000
lr�raw Loa J Line and Perform 3nce Line
z0000 I
i
15000
-711
10000
I k
i
5000
I
0
10 19.2 28.5 37.8 47.1 56.4 65.7 75
At winter design temperature of 17 F outside, the distance between the lines is btuh
which is the Supplemental Heat divided by 3400 = KW.
APPLICATION ENGINEERING
INTERNATIONAL MECHANICAL CODE - Chapter 4 Ventilation Worsheei
Manufacturer: JACOBSEN HOMES Model #: MCP-3037-M1426
901 4th St North HVAC System Type: OVERHEAD GRAD FLEX FOR UP -FLOW (SPLIT A/C)
Safety Harbor, FL 34695 Design Zone: FL, Region 2A FBC (2017)/IECC (2015)
Prepared by LaSalle Air Systems 7/5/2018 All rights reserved. This information proprietary to LaSalle Bristol Co. and JACOBSEN HOMES
RESULTS FROM MANUAL-J CALCULATIONS: Actual Orientation
HEATING LOAD:
18,066 Btuh at
17 °
REQ'D BLOWER CFM: 828 cfm at altitude of 40 ft
SENSIBLE CLG LOAD:
15,311 Btuh at
96 °
Entering Air DRY Bulb: 76.9 °
Mech. Ventilation :
63
LATENT CLG LOAD:
4,405 Btuh at
96 °
Entering Air WET Bulb: 61.5 °
Entering Air RH:
53 %
GRAINS DIFFERENCE:
60
Outside wet bulb: 74.7
outside RH:
48 %
Natural or Mechanical: Test the infiltration at 50 Pa should result in 570.2 CFM infiltration being
4.410 ACH (to be confirmed by testing)
(5 ACH = 646 CFM)
(3 ACH = 387 CFM)
Mechanical ventilation is required
To Meet Natural Ventilation: Increase Openable Area by
13 %
Openable Area
Openable Area
ROOM NAME
Room Area Required
Built
ROOM NAME
Room Area
Require
Built
Living Room
194.0 7.7
18.75
0.0
0.0
0.00
Bath #2
94.0 3.7
0.00
0.0
0.0
0.00
M. Bedroom
174.0 6.9
7.50
0.0
0.0
0.00
Bedroom #2
134.2 5.3
7.50
0.0
0.0
0.00
Bath #1
54:2 2.1
1.25
0.0
0.0
0.00
Kitchen
111.7 4.4
4.17
0.0
0.0
0.00
Dining
100.0 ' 4.0
21.25
0.0
0.0
0.00
0.0 0.0
0.00
0.0 _
0.0
0.00 _
0.0 0.0
0.00
0.0
0.0
0.00
TOTAL
862.0
34.1
60.42
Mechanical Ventilation Is Required In These Areas To Meet IMC 2012i2015 Per Table 403.3.1.1:
Outdoor Exhaust
SPACE CLASSIFICATIONS Occupancy Area Air Air ZONE AIR DISTRIBUTION
Private Living Area
Private Kitchen
Private Baths
Total
3.0
602.2
63.1
0.0
111.7
0.0
0.0
148.2
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
3.0
862.0
63.1
25.0
40.0
0.0
0.0
0.0
65.0
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Floor Supply of Warm Air/Floor Return
Floor Supply of Warm Air/Floor Return
Floor Supply of Warm Air/Floor Return
Air
Flow
650.2
84.3
93.55
0
0
0
828
System Ventitlation Efficiency: F1
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