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� Version 8.0 rev.071103 �'�/iK.�Tl�.kl.4.fTEAx Geothermal Closed Loop Pressure Drop Calculation Worksheet � Customer: Highmark Builders Antifreeze (M,P,E or W)' m Methanol ; Address: 1880 Fox rd % Antifreeze by vol.: 20 °io ` � Address: Number of circuits: 10 'Note: M=Methanol; P=Propylene Glycol; E =Ethanol; W=Water Pump combinaton:� C (2) UP26-116 , `Note: Pump combo A= 1-UP26-99; pump combo B =2-UP26-99; pump combo C=2-UP26-116; pump combo D =3-UP26-99 , ; 1. Unit#1: 4 (enter code from below) TT_064 5 tons gpm 15 ' Unit 11.0 ft. of head x 1.01 Antifreeze corr.fact.= 11.09 ft. of hd. � 1" Hose kii 10 ft. of hose* x 14.27 ft. of hd/100 ft. = 100= 1.43 ft. of hd. 1-1/4" Inside Piping 10 ft. of pipe*x 4.40 ft. of hd/100 ft. = 100= 0.44 ft. of hd. ' (Unit to Flow Contoller) Total Unit#1: 12.96 ft. of hd. 2. Unit#2: 4 (enter code from below) TT_064 5 tons gpm 15 � Unit 11.0 ft. of head x 1.01 Antifreeze corr.fact. = 11.09 ft. of hd. 1" Hose kit 10 ft. of hose''x 14.27 ft. of hd/100 ft. = 100= 1.43 ft. of hd. 1-1/4" Inside Piping 10 ft. of pipe'`x 4.40 ft. of hd/100 ft. = 100= 0.44 ft. of hd. (Unit to Flow Contoller) Total Unit#2: 12.96 ft. of hd. Unit total (largest of totaf Unit#1 and Unit#2 -- Units must be piped in parailel): 12.96 ft. of hd. A 3. Inside Supply& Return Piping (Flow Controller to wall penetration): Pipe size: 1.25 in. Total gpm: 30 (Design flow rate) 0 ft. of pipe'`r. 14.78 ft. of hd/100 fl. = 100= 0.00 ft. of hd. B 4. Outside Supply& Return Piping (Wall penetration to header): Pipe size: 2.00 in. Total gpm: 30 200 ft. of pipe*x 2.17 ft. of hd/100 ft. = 100= 4.34 ft. of hd. C , 5. Circuit Piping (Use oniy one circuit if piped using parailel header system; use total pipe if series loop): Pipe size: 0.75 in. Design GPM/ckt: 3.0 Actual GPM/ckt = 2.3 gpm 1800 ft. of pipe* x 2.49 ft. of hd/100 ft. = 100= 44.73 ft. of hd. D 6. Fittings (Add 2 ft. of hd.for every 10 fittings): 10 (number of fittings) 2 ft. of hd. E 7. Total Pressure Drop (A + B + C + D + E): 64.0 ft. of hd." F Minimum system flow rate should be 23 gpm. '0° ��=-;-c��arosss-se '�� ' 2-Grundfos 26-99 � 8. Determine Pump Sizing Curve Coordinates: 90 ��s,�,em��rye--> Tot. gpm (3 gpm/ton) = Q1 30.0 x� ��2-Gruntlfoss26-116 80 Tot. pres. drop (Ft hd)= h1 64.0 y Point A = ��3-Grundfos26-99 ; Tot. gpm x 2/3 = Q2 20.0 x 70 � � LL PD=(Q2^2)(h1)/(Q1^2) h2 28.5 y Point B bo 30 Tot. gpm x 4/3 = Q3 40.0 x PD=(Q3^2)(h1)/(Q1^2) h3 113.8 y}Point C so - 40 9. Plot system curve & determine which Flow - Controller wili produce the desired flow rate. 30 + 20�+ . Pump Sys C = 23 gpm (to the nearest gpm) Zo , '�� 10. Verify circuit Reynolds number: 2593 �o (Should be 2,000 or greater) Flow Rate(US gpm) 11. Calculate the amount of antifreeze needed: ° o O N O tp W O N ' ' ' N N O t0 Op O � � N �v eV N e0 (Pipe size: 0.75 ) 3600 tot. feet* x 2.8 volume/100 ft. = 100 = 100.8 gallons (Pipe size: 1.00 � 20 tot. feet* x 4.5 volume/100 ft. = 100 = 0.9 gallons (Pipe size: 2.00 � 200 tot. feeY' x 17.0 volume/100 ft. = 100 = 34.0 gallons (Pipe size: 1.25 ' 20 tot. feet* x 8.3 volume/100 ft. = 100 = 1.7 gallons Notes: 1) Use decimal number for pipe size(e.g. 3/4"=0.75) Total fluid in loop: 148.4 gallons*'` � 2)Volume/100 ft. is shown for PE pipe only. % antifreeze X 2�% by VOI. 3) Use 1" pipe for rubber hose. TO121 8f1tIf�88Ze f2q.: 29.7 gallons 12. Determine Flushing Requirements. Flushing requirements: 40 gpm @ 114 ft. hd. tnter tt.ot pipe in ootn oirecuons. incivaes coax t�nusn can.