Monthly performance report

MISSING IMAGE

Material Information

Title:
Monthly performance report Montecito Pines
Uncontrolled:
Montecito Pines
Physical Description:
v. : ill. ; 28 cm.
Language:
English
Creator:
United States -- Dept. of Energy
Publisher:
Dept. of Energy
Place of Publication:
Washington
Publication Date:

Subjects

Subjects / Keywords:
Solar energy -- California -- Santa Rosa   ( lcsh )
Solar houses -- California -- Santa Rosa   ( lcsh )
Genre:
federal government publication   ( marcgt )
non-fiction   ( marcgt )

Notes

General Note:
National solar data program.
General Note:
Monthly Catalog Number: gp 80010079
General Note:
National solar heating and cooling demonstration program.
General Note:
SOLAR/1045-78/11" ; "SOLAR/1045-78/12" ; "SOLAR/1045-79/01" ; "SOlAR/1045-79/02" ; "SOLAR/1045-79/03" ; "SOLAR/1045-79/04."

Record Information

Source Institution:
University of Florida
Rights Management:
All applicable rights reserved by the source institution and holding location.
Resource Identifier:
aleph - 027069542
oclc - 05855582
System ID:
AA00013835:00001


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SOLAR/1045-79/02


Monthly

rformance


Report




MONTECITO PINES
FEBRUARY 1979


U.S. Department of Energy


National Solar Heating and
Cooling Demonstration Program

National Solar Data Program








































_____________NOTICE ________
This report was prepared as an account of work sponsored by the United States
Government. Neither the United States nor the United States Department of Energy, nor
any of their employees, nor any of their contractors, subcontractors, or their employees,
make any warranty, express or implied, or assume any legal liability or responsibility for
the accuracy, completeness or usefulness of any information, apparatus, product or
process disclosed, or represents that its use would not infringe privately owned rights.








MONTHLY PERFORMANCE REPORT


MONTECITO PINES

FEBRUARY 1979

I. SYSTEM DESCRIPTION

The Montecito Pines site is an apartment complex in Santa Rosa, California.
It consists of one instrumented unit containing eight apartments. Each
apartment has approximately 864 square feet of corditioned space. Solar
energy is used for space heating and preheating domestic hot water (DHW). The
solar energy system which serves the 8-apartment unit has an array of flat-
plate collectors with a gross area of 950 square leet. The array faces 22
degrees west of south at an angle of 45 degrees tc the horizontal. Water is
the transfer medium that delivers solar energy from the collector array to
storage and to the space heating and hot water loads. Freeze protection is
provided by drain down. Solar energy is stored underground in a 2000-gallon
insulated tank. City water is circulated through a heat exchanger in the
storage tank for preheating before entering a gas-fired boiler which supplies
DHW on demand. When solar energy is insufficient to satisfy the space heating
load, the gas-fired boiler provides auxiliary energy for space heating. The
system, shown schematically in Figure 1, has four modes of solar operation.

Mode 1*- Collector-to-Storage: This mode activates when the collector plate
temperature exceeds the storage temperature by 17'F and terminates when a
temperature difference of 3F is reached. Collector loop pump P1 is operating.

Mode 2 Storage-to-Space Heating: This mode activates when there is a space
heating demand and the temperature at the top of the storage tank is 105F or
higher. Space heating pump P2 is operating and mode diversion valves VI and
V2 divert the flow to the heat exchanger in the storage tank and bypass the
gas-fired boiTer.

Mode 3 Auxiliary Space Heating, DHW Preheating: This mode activates when
there is a space heating demand and the temperature at the top of the storage
tank is less than 105F. Space heating pump P2 is operating and mode diversion
valves V1 and V2 direct the flow through the gas-fired boiler and bypass the
heat exchanger in the storage tank.

Mode 4 DHW Preheating: This mode activates when there is a demand for DHW.
Incoming city water passes through the heat exchanger in the storage tank on
the way to the gas-fired boiler which supplies hot water, on demand, to the
apartments.


II. PERFORMANCE EVALUATION


INTRODUCTION

The site was occupied during the month of February, and the solar energy
system operated continuously during the month. Solar energy satisfied 55
percent of the DHW requirements and 9 percent of the space heating requirements.












* 1001 COLLECTOR PLANE TOTAL INSOLATION
A Tool01 OUTDOOR TEMPERATURE
A INDOOR TEMPERATURE:


SENSOR APT X SUPPLYi
Tsol 63
T602 64 41 FAN
T603 65 COIL
T004 Go.4 FOR
TGS 67 |)EACHT
T805 67 APARTMENT
TWOt 6B T100 4
T607 66
TOs" 70 4 T401


Figure 1. MONTECITO PINES APARTMENTS SOLAR ENERGY SYSTEM SCHEMATIC








The solar energy system provided fossil fuel energy savings of 10.8 million
Btu at an expense of 0.44 million Btu of electricity.


WEATHER CONDITIONS

During the month, total incident solar energy on the collector array was 28.5
million Btu for a daily average of 1072 Btu per square foot. This was below
the estimated average daily solar radiation for this geographical area during
February of 1404 Btu per square foot for a plane facing 22 degrees west of
south with a tilt of 45 degrees to the horizontal. The average ambient tempera-
ture during February was 460F as compared with the long-term average for February
of 51F. The number of heating degree-days for the month (based on a 65F
reference) was 521, as compared with the long-tern average of 402.


THERMAL PERFORMANCE

System During February the solar energy system performed approximately the
same as expected. The expected performance resulted from a modified f-chart
analysis using measured weather and subsystem loacs as inputs. The amount of
solar energy collected was 8.6 million Btu versus an estimated 8.4 million
Btu. The amount of solar energy used by the system was estimated by assuming
that all energy collected would be applied to the load. The actual amount of
solar energy used was 6.4 million Btu. System total solar fraction was 20
percent versus an estimated 20 percent.

Collector The total incident solar radiation on the collector array for the
month of February was 28.5 million Btu. During the period the collector loop
was operating, the total insolation amounted to 24.8 million Btu. The total
collected solar energy for the month of February was 8.6 million Btu, result-
ing in a collector array efficiency of 30 percent, based on total incident
insolation. Solar energy delivered from the collector array to storage was
8.0 million Btu. Energy loss during transfer from the collector array to
storage was 0.68 million Btu. This loss represented 8 percent of the energy
collected. Operational energy required by the collector loop was 0.44 million
Btu.

Storage Solar energy delivered to storage was 8.0 million Btu and there was
no auxiliary energy contribution to storage. There were 7.1 million Btu delivered
from storage to the DHW and space heating subsystems. Energy loss from storage
was 0.94 million Btu. This loss represented 12 percent of the energy delivered
to storage. The storage efficiency was 88 percent: This is calculated as the
ratio of the sum of the energy removed from storage and the change in stored
energy, to the energy delivered to storage. The average storage temperature
for the month was 100F.

DHW Load The DHW subsystem consumed 4.0 million Btu of solar energy and 4.6
million Btu of auxiliary thermal energy (equivalent to 5.8 million Btu of aux-
iliary fossil fuel energy) to satisfy a hot water load of 7.3 million Btu.
The solar fraction of this load was 55 percent. Losses from the DHW subsystem
were 1.4 million Btu. The DHW subsystem consumed a total of 0.63 million Btu
of operating energy. A daily average of 430 gallons of DHW was consumed
at an average temperature of 133F delivered from the tank.







Space Heating Load The space heating subsystem consumed 2.4 million Btu of
solar energy and 31.8 million Btu of auxiliary thermal energy (equivalent to
39.7 million Btu of auxiliary fossil fuel energy) to satisfy a space heating
load of 25.8 million Btu. The solar fraction of this load was 9 percent.
Losses from the space heating subsystem were 8.3 millionn Btu. The space
heating subsystem consumed a total of 2.0 million Btu of operating energy.


OBSERVATIONS

Sensor anomalies in the space heating subsystem existed in February and
required extensive software filtering of the data. The gas totalizer sensor
continued to provide anomalous data.


ENERGY SAVINGS

The solar energy system provided a total fossil fuel energy savings of 10.8
million Btu at an expense of 0.44 million Btu of electrical energy. The DHW
subsystem provided a fossil fuel energy savings of 6.7 million Btu, while the
space heating subsystem contributed a fossil fuel energy savings of 3.9 mil-
lion Btu.


III. ACTION STATUS

No action has been scheduled to correct the identified anomalies at this site.






SOLAR HEATING AND CCCOOLING DEMCNSTRATICN FROGFAM


SITE: MONTECITO PINES
REPORT PERIOD' FEBRUARY91979


MONTHLY REPORT
SITE SUMMARY

SANTA ROSA, CA


SOLAR/1045-79/02


SITE/SYSTEM DESCRIPTION:
MONTECITO PINES IS AN APARTMENT COMPLEX WITH EIGHT INSTRUMENTED UNITS.
THE SOLAR ENERGY SYSTEM PROVIDES SPACE hEATING AND DOMESTIC HOT WATER.
THE COLLECTION STORAGE LOOP USES WATER FOR THE ENERGY TRANSFER AND
STORAGE MEDIUM. WATER FOR DOMESTIC HOT WATER USE PASSES THROUGH A HX
IN THE STORAGE TANK AND THEN THROUGH A GAS FIRED SCILER IN ThE DHW
RECIRCo LOOP. WATER FOR SPACE HEATING CIRCULATES THROUGH THE STORAGE
TANK HX OR THROUGH THE GAS FIRED ECILER AND IS AVAILABLE TO INDIVIDUAL
APARTMENTS ON DEMAND.


GENERAL SITE DATA:
INCIDENT SOLAR ENERGY


COLLECTED SOLAR ENERGY

AVERAGE AMBIENT TEMPERATURE
AVERAGE BUILDING TEMPERATURE
ECSS SOLAR CONVERSION EFFICIENCY
ECSS OPERATING ENERGY
TOTAL SYSTEM OPERATING ENERGY
TOTAL ENERGY CONSUMED


28.515
3001f
8.(4C
9095
4f
68
C.23
0.440
3 029
57.221


MILLION BTU
BTU/SGC.FT.
NILLICN BTU
ETU/S C FT,
DEGREES F
DEGREES F

MILLION BTU
IILLICN BTU
MILLICN BTU


SUBSYSTEM SUMMARY:

LOAD
SOLAR FRACTION
SCLAR ENERGY USED
OPERATING ENERGY
AUX. THERMAL ENERGY
AUX. ELECTRIC FUEL
AUX. FOSSIL FUEL
ELECTRICAL SAVINGS
FOSSIL SAVINGS


HOT WATER
7.252
55
4.010
0.627
4.638
N.A.
5.798
0.000
6.684


HEATING
25.824
9
2 307
1.961
31.750
N.A.
39.688
0.000
3.945


COOL ING
N .A.
N.A.
N .A.
N .A.
N.A.
N.A.
N.A.
N .A.
N eA.o


SYSTEM TOTAL
32.e87 MILLION BTU
20 PERCENT
6.4F? MIL.LTCN RTU
3.029 MILLION BTU
36.430 iUILLICN BTU
N.A. MILLION BTU
45.53.8 NILLICN BTU
-0.440 MILLICN BTU
10.754 MILLION BTU


SYSTEM PERFORMANCE FACTOR:


0.591


* DENOTES UNAVAILABLE DATA
* DENOTES NULL OATA
N.A. DENOTFS NOT APPLICABLE DATA

REFERENCE: USER'S GUIDE TO THE MONTHLY PERFORMANCE REPORT
OF THE NATIONAL SOLAR DATA PROGRAM*FEERUARY 28.1978,
SOLAR/0004-78/18









SOLAR HEATING AND COCLING DEMONSTRATING PFOGFA"


SITE: MONTECITO PINES
REPORT PERIOD: FEBRUARY,1979


MONTHLY REPORT
SITE SUMMARY

SANTA ROSA, CA


SOLAR/ /1045-7g9/02


SITE/SYSTEM DESCRIPTION:
MONTECITO PINES IS AN APARTMENT COMPLEX WITH EIGHT INSTRUMENTED UNITS.
THE SOLAR ENERGY SYSTEM PROVIDES SPACE HEATING AND DOMESTIC HOT WATER.
THE COLLECTION STORAGE LOOP USES WATER FCR THE ENERGY TRANSFER AND
STORAGE MEDIUM. WATER FOR DOMESTIC HOT WATER USE PASSES THROUGH A HX
IN THE STORAGE TANK AND THEN THROUGH A GAS FIRED ECILER IN Tt-E DHW
RECIRC. LOOP. WATER FOR SPACE HEATING CIRCULATES THROUGH THE STORAGE
TANK HX OR THROUGH THE GAS FIRED ECILER AND IS AVAILABLE TO INDIVIDUAL
APARTMENTS ON DEMAND.


GENERAL SITE DATA:
INCIDENT SOLAR ENERGY


COLLECTED SOLAR ENERGY

AVERAGE AMBIENT TEMPERATURE
AVERAGE BUILDING TEMPERATURE
ECSS SOLAR CONVERSION EFFICIENCY
ECSS OPERATING ENERGY
TOTAL SYSTEM OPERATING ENERGY
TOTAL ENERGY CONSUMED


SUBSYSTEM SUMMARY:

LOAD
SOLAR FRACTION
SOLAR ENERGY USED
OPERATING ENERGY
AUX. THERMAL ENG
AUX. ELECTRIC FUEL
AUX. FOSSIL FUFL
ELECTRICAL SAVINGS
FOSSIL SAVINGS


HOT WATER
7.651
55
4.231
0.662
4.893
N.A.
6.116
0.000
7.052


HEATING
27.244
9
P.497
2.069
33.496
N.A.
41.871
0.000
4.162


COOL ING
NoA.
N .A.
N ,A
NAe
N.A.
NoA.
N.A.
N.A.
NoA.


30.083 GIGA JOULES
3408E8 KJ/SQ.M.
9.116 CIGA JOLLES
1032E4 KJ/SQ.M.
F DEGREES C
20 CEGREES C
C.23
0.4t5 GIGA JOULES
3.19E GIGA JOLLES
60.3f6 GIGA JOULES

SYSTEM TOTAL
34.69f GIGA JOULES
20 PERCENT
e .8Ce GIGA JOULES
3.190 GIGA JOLULES
38.434 GIGA JOULES
I.A. GIGA JOULES
48.042 GIGA JOULES
-0.4(5 GIGA JOULES
11.346 GIGA JOLLES


SYSTEM PERFORMANCE FACTOR:


0.591


* DENOTES UNAVAILABLE DATA
* DENOTES NULL DATA
N.A. DENOTES NOT APPLICABLE DATA

REFERENCE: USER'S GUIDE TO THE MOhTHLY PERFORMANCE REPORT
OF THE NATIONAL SOLAR DATA PROGRAM9FEBRUARY 2e.1978.
SOLAR/0004-78/18








SOLAR HEATING AND COOLING DEMONSTRATION PROGRAM

MONTHLY REPORT
ENERGY COLLECTION AND STORAGE SUBSYSTEM (ECSS)


SITE: MONTECITO PINES
REPORT PERIOD: FEBRUARY91979


SANTA ROSA, CA


SCLAR/1045-79/02


DAY
OF
MONTH



1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

SUM

AVG

NBS ID


INCIDENT
SOLAR
ENERGY
tl LL I ON
BTU

1.319
0.921
1.616
1.729
1.513
1.548
1.398
1. 178
1. 019
0.418
0.527
0. 094
0. 032
1.200
0.306
1.* 277
1. 220
0.377
1. 832
0.061
1.207
0. 824
1.487
1.342
C.680
1.769
1.531
0. 090

28. 515

1.018

0001


AMBIENT
TEMP


DEG-F

37
38
41
48
50
50
46
45
50
50
51
50
50
45
45
47
45
48
48
45
46
46
46
47
50
48
45
44


-I---------


46

Ni113


7. 131

0.255


AUX
THERMAL
TO ECSS
MILLION
BTU

N
0
T

A
P
P
L
I
C
A
E
L
E


N.A.
No.A.


- I


ENERGY
TC
LOADS
MILLION
BTU

0 *235
0.3284
0.500
0 532
0.377
0 439
0.407
0 356
0 *246
0.147
0. 109
0 117
0O 113
0 093
0* 097
0 *133
0.205
0 140
0.348
0. 124
0. 144
0. 133
0.386
0. 231
0. 148
0.379
0.399
0.208


ECSS
FNEFGY
REJECTED
MILLION
BTU

N
C
T

A
F
P
L
I
C
A
B
L
E


ECSS
OPERATING
ENERGY
MILLION
BTU

0.0 18
0.012
0 *022
0.026
0.025
0* 024
0.023
0.015
0.021
0.011
0.012
0.000
0. OCO
0=027
0.0C4
0.023
0.020
0.005
0.025
C0.00CO
0.022
C. OCO
0. 009
0.020
0.022
0.009
0.022
0.022
0.000

0.440

0.016
0102


* DENOTES UNAVAILABLE DATA.
@ DENOTES NULL DATA.
N.A. DENOTES NOT APPLICABLE DATA.


N.A.

N.A.


ECSS SCLAR
CONVERSION
EFFICIEhCY



0,157
0.401
0.270
0 2 62
0 o21663
0.229
0.249
0.271
0.212
0.351
0.208
I 027
3.474
0.078
0.317
0.104
0 157
0.372
0 123
2.034
0.1 13
0.161
0.241
0.172
0.217
0.186
0.231
2.302

---- ----- I

0.226

Nilu






SOLAR HEATING AND COOLING DEMONSTRATION PROGRAM


MONTHLY REPORT
COLLECTOR ARRAY PERFORMANCE


SITE: NONTECITO PINES
REPORT PERIOD: FEBRUARY.1979


SANTA ROSA. CA SOLAR/104E-7C/02


DAY
OF
MONTH


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

SUM

AVG

NBSITD


OPERATE CNAL
INCIDENT
ENERGY
MILLION
BTU


INCIDENT
SOLAR
ENERGY
MILLION
BTU

1.319
0,921
1 .616
1.729
1.513
1 548
1 398
10178
1 019
0.418
0 .527
0 094
0 032
10200
0.306
1.277
1 220 1
0 377
1.832
00061
1.207
0.824
1 487
1 342
0.680
1 769
1 531
0. 090

28.515

1.018

Q001


24.844

0.887


CCLLECTEC
SOLAR
ENERGY
MILLION
BTU


0.393
0.257
0o.498ge
0.571
0.517
0*522
0.431
0.365
0.343
0 096
0.110
0.000
0o000
0.449
0. 027
0.453
09387
09029
0.627
0.000
0.392
0.150
0.463
0C.389
0. 157
0.554
0.460
00000


8.640

0.309


0100


DAYTIME
AMBIENT
TEMP
DEG F


55


COLLECTOR
ARRAY
EFFICIENCY


0 298
O 279
0.308
0 330
0 *2 342
0.337
0 308
04310
0 337
0 230
00210
0.000
0.000
0.374
0. 089
0 *2 354
0.317
0 .077
0. 342
0 000
0 .325
0 182
0.3 12
0.290
0.231
0.313
0 .300
0 000


0.303

NICO


* DENOTES UNAVAILABLE DATA.
W DENOTES NULL DATA.
N.A. DENOTES NOT APPLICABLE DATA.


1.202
0*799
1.482
1.660
1.435
16459
1.294
1 01f
0.939
0.289
0.303
0.000
0.000
1. 154
0.114
1 192
1 077
0 105
1.724
0.000
1I 107
0.503
1.305
10213
0 429
1.632
10 411
0.000







SOLAR HEATING AND COOLING DEMONSTRATION PROGRAM


MONTHLY REPORT
STORAGE PERFORMANCE


SITE: MONTECITO PINES
REPORT PERIOD: FEBRUARY, 1979


SANTA ROSA, CA SOLAR/1045-7S/02


DAY
OF
MONTH


ENERGY
TO
STORAGE
MILLION
BTU

0.405
00245
0.507
00558
00482
0.479
0.398
00325
0.301
0 0069
00078
0.000
00000
00379
0,023
0.415
0.379
0.021
00578
0,000
0.335
0 129
00438
0.336
0. 1'8
0.517
0.422
0.000

7.956

0.284

Q200


ENERGY
FROM
STCRAGE
MILLION
BTU

0o .235
0 .384
0.500
0.532
0.377
0 .439
0.407
0 .356
0 .246
0.147
00109
0.117
0.113
0.093
0e097
00133
0.205
0.140
0934e
0.124
0,144
0 .133
0.386
0.231
0.148
0.379
0.399
0.208

7.131

0.255

Q201


CHANGE
IN STORED
ENERGY
MILLION
BTU

00041
0.006
0.004
0.004
0.054
-0.024
-0.045
-0019
0.004
-0.087
-0.058
-0. 119
-0.103
0.220
-0.093
0.173
0.066
-0.125
09151
-0.128
0. 126
-0.022
-0.012
0.049
-0 056
0.044
-0.005
-0.158

-0.111

-0.004

C202


STCFAGE
AVERAGE
TEMP
DEG F


103
104
107
108
109
108
107
104
103
99
95
89
82
87
90
93
101
99
101
99
99
102
103
103
103
106
106
99


100


* DENOTES UNAVAILABLE DATA.
@ DENOTES NULL DATA.
N.A. DENOTES NOT APPLICABLE DATA.


STORAGE
EFFICIENCY



0.682
1 .592
0 993
0.961
0 e95
O* 865
0.910
1 *038
0. 833
0. e69
0 659
1 000
1 000
0 828
0.188
0 .736
0.717
0 742
00865
1 000
0e 805
0 863 1
0 854
0o 834
0 .669
00818
0 933
1 000


0. 882

N108


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

SUM

AVG

NBS ID







SOLAR HEATING AND COOLING DEMONSTRATION PROGRAM


MONTHLY REPORT
HOT WATER SUBSYSTEM


SITE: MONTECITO PINES
REPORT PERIOD: FEBRUARY, 1979


SANTA RCSA. CA


SOLAR/I 045-7C/02


DAY
OF
MON.


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

SUM

AVG

NBS


HOT
WATER
LOAD
MILLION
BTU

0 168
0.310
0.156
0.275
0.234
00242
0.228
0.271
0.252
0.256
0.218
0.271
0.321
0.245
0.220
0.274
0.234
0.251
0.276
0.220
0.256
0*233
0.338
0.378
0.240
0.233
0.266
0.386

7.252

0.259

Q302


SOLAR
FR.OF
LOAD
PER
CE NT

58
60
52
66
63
60
50
61
59
58
50
43
35
38
44
48
57
56
56
56
56
57
59
61
62
54
59
54


55

N300


SOLAR
ENERGY
USED
MILLION
BTU

0.098
0 187
0 096
0.180
0.148
0 145
0 136
0. 165
0 147
0. 147
0. 109
0.1171
0O 113
0. 093
0. 097
0. 133
0.133
0 140
0 156
0O 124
0. 144
0.133
0. 200
0 231
0. 148
0 1251
0. 156
0.208

4.010

0.143

0300


OPER
ENERGY

MILLION
BTU

0.023
0.022
0.023
0.023
0.024
0.024
0.023
0.023
0.022
0.022
0.022
0.022
0.022
0.022
0:022
06 022
0 022
0.022
0.023
0.022
0.022
0.022
0.022
0.022
0,022
0.023
0,023
0.022

0.627

0*022

0303


AUX
THERMAL
USED
MILLION
BTU

0.109
0.164
0.1661
0.110
0.399
0.1531
0 148
0. 174
0. 172
0,0961
0.140
0 1I92
0o291
0 177
0.139
0.163
0.0961
0.137
0.2001
0.123
0.133
0 127
0 192
0.170
0.131
0 156
0.209
0.170

4.638

0. 166

Q301


AUX
ELECT
FUEL
MILLION
BTU

N
0
T

A
P
P
L
I
C
A
B
L
E













N.A.

N.A. I

Q305


AUX
FOSSIL
FUEL
MILLION
BTU

00136
0,205
0 207
0 137
0 499
0 191
0.185
0.218
0.216
0.1201
0.175
0.2401
0.3641
0.221
00174
00204
0 120
0. 172
00250
0.153
0. 166
0 159
0.240
0.212
0 .164
0 195
0.262
0.213

5.798

0.207

0306


ELECT
ENERGY
SAVINGS
MILLION
ETU

0.000
0.000
0.000
0 000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0 OCO
0,000
0.000
0.000
0.000
0.000
0 000
0 000
0. 00
00000






O OCO

0.000

0.000

0311


* DENOTES UNAVAILABLE DATA.
9 DENOTES NULL DATA.
N.A. DENOTES NOT APPLICABLE DATA.


FOSSIL
ENERGY
SAVINGS
MILLI CN
ETU

0. 163
0.212
0: 161
0 200
0. 424C
0.2421
0. 227
0 274
0* 246
0 24E
0. 182
0. 194
0. 188
0. 155
0. 1621
0 I222
0. 221
0, 221
O0 234
0 207
0.240
0 222
0.232
0. 23EE
0 246
0. 209
0.260
0.347

6.684

0.239

G312


SUP.
SAT.
TEMP
DEG
F

57
56
58
56
59
62
57
58
58
59
61
59
57
60
58
58
59
60
58
59
59
58
57
58
58
61
591
59


58

N305


HOT I
IWAT.
TEMP
DEG
F

135
1223
136
133'
S136
1361
139'
134
134
1321
133
132
129
1301
129
131
134
132
135
1322
130
1311
1l341
132,
134
S137
124'
1311


133

N307


HOT
WATER
USED

GAL

268
506
242
431
386
411
357
463
413
422
358
455
567
423
380
461
394
422
447
274
437
39;
540
628
391
385
443
634

12034

430

N308








SOLAR HEATING AND COCLING DEMONSTRATION PROGRAM


MONTHLY REPORT
SPACE HEATING SUBSYSTEM


SITE: MONTECITO PINES
REPORT PERIOD: FEBRUARY,1979


SANTA ROSA. CA


SCLAP/1045-79/02


DAY
OF
MON.


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

SUM
sum-

AVG

NBS


SPACE
HEATING
LOAD
MILLION
BTU

1.188
1.237
1 335
0.994
0.596
0.610
0 827
I 006
0 724
0.920
0.620
0.817
1 005
1 069
I .258
0 966
0.789
0.963
0.758
1.083
10053
0. 956
0.844
0.895
0.740
0.656
00911
1.002

25. 824

0.922

Q402


SOLAR
FR .OF
LOAD
PCT

9
14
19
30
21
38
29
14
10
0
0
0
0
0
0
0
6
0
19
0
0
0
16
0
0
29
22
0


9

N400


SOLAR
ENERGY
USED
MILLION
BTU

0.110
0. 182
0.255
0.275
0. 142
0.209
0.211
0.154
0*068
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.059
0.000
0. 142
0 000
0.000
0 000
0. 158
0.000
0.000
0. 204
0. 197
0.000

2.367

0.085

0400


OPER
ENERGY

MILLION
BTU

0.071
0.071
0.071
0.070
0.071
0.071
0.071
0.070
0.070
0.070
0.069
0.069
0.070
0.070
0.070
0.070
0.070
0.070
0.070
0e070
0.070
0.070
0.070
0.070
0.069
0.071
0.071
0.070

1.961

0.070

0403


AUX
THERMAL
USED
MILLION
BTU

1 452
1.395
1.0821
1. 040
0.655
0. 399
0.876
1 156
0.850
1.409
0. 95e
1. 132
1.291
1. 395
1.637
1.304
10 127
1.339
0 863
1.466
1.432
1.325
1.015
I 198
1.0361
0.625
0.945
1.347

31.750

I.I34

0401


AUX
ELECT
FUEL
MILLION
BTU

N
0
T

A
P
Pi
L
I
C
A
B
L
E













N.A.
N.A.


AUX
FOSSIL
FUEL
MILLION
BTU

1.815
1.744
1.352
1.300
0.819
0 498
1.095
1 445
1.062
1.761
10197
1.415
1.613
1.744
2 046
1.630
1 .409
1 .673
1.079
10832
1.791
1.656
1.269
1 498
1.296
0.782
1.181
1.684

39.688

1.417

Q410


ELECT
ENERGY
SAVINGS
MILLION
BTU

0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
C. COO
0.C00
0.000
0.000
0 .000




0. 0001
0.0000




0 000
0.000
0 000
0.000

0.000
00000
0"0000
0.000
00000
0.0000
0.0000

0.0000

0.0000


* DENOTES UNAVAILABLE DATA.
@ DENOTES NULL DATA.
N.A. DENOTES NOT APPLICABLE DATA.


FOSSIL
ENERGY
SAVINGS
MILLION
BTU

00 1 e3
Oot34
0.304
0.425
0.459
0.237
0.34e
0.352
0.257
0.112
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0 .098)
0.000
0 .237
0.000
0.000
0.000
0.000
0.000
0.340
0.329
0.000

3.945

0.141

0417


BLDG
TENP

SCEG.
F

64
64
66
68
68
69
68
68
69
71
70
7C
70
69
69
69
67
68
68
67
6e
68
68
68
69
68
67
67


68

N4 06,


AMB
TEMP

DEG.
F

27
38
41
48
50
50
46
45
50
50
51
50
50
45
45
47
45
48
48
45
46
46
46
47
50
48
45
44
-

46

NI13








SOLAR HEATING AND COOLING DEMONSTRATION FRCGRAM

MONTHLY REPORT
ENVIRONMENTAL SUMMARY


SITE: MONTECITO PINES
REPORT PERIOD: FEBRUARY,1979


DAY TOTAL DIFFUSE
OF INSOLATION INSOLATION TI
MONTH
BTU/SQ.FT BTU/SQ.FT

1 1388 N
2 970 0
3 1701 T
4 1820
5 1593 A
6 1630 P
7 1471 P
8 1240 L
9 1072 I
10 440 C
11 554 A
12 99 B
13 34 L
14 1263 E
15 322
16 1345
17 1284
18 397
19 1929
20 64
21 1271
22 867
23 1565
24 1413
25 716
26 1862
27 1611
28 95

SUM 30016 N.A.

AVG 1072 N.A.

NBS ID Q001


* DENOTES UNAVAILABLE DATA.
I DENOTES NULL DATA.
N.A. DENOTES NOT APPLICABLE DATA.


SANTA ROSA* CA


AMBIENT I
TEMPERATURE

DEG F

37
38
41
48
50
50
46
45
50
50
51
50
50
45
45
47
45
48
48
45
46
46
46
47
50
48
45
44


46

N113


DAYTIME
AMBIENT
TEMP
DEG F

48
*
56
63
el61
63
59
56
60
56
58
52
51
52
49
54
54
52
57
45
52
*
53
56
57
54
56
49


55


RELATIVE
HUMIDITY

PERCENT

N
0
T

A
P
P
L
I
C
A
B
L
E















N.A.


WIND
DIPECTICh

DEGREES

N
0
T

A
P
F
L
I
C
A
B
L
E















N.A.

N115


SOLA R/1045-79/02


%IND
SPEED

M.P.H.

N
0
T

A
P
P
L
I
C
A
B
L
E













------------

N.A.

Ni14








UNIVERSITY OF FLORID


3 1262 09052 47


* U.S. G.P.O. 1979-640-189/4156




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