23
4.0 Installation
4.2 Plumbing Diagram
VFD
M
DYNAMOMETER WATER INLET
*ADJUST PRESSURE BY
INCREASING/DECREASING PUMP RPM.
POWERMARK
RETURN SIDE - 4" BLACK ABS PLASTIC
(FROM DYNAMOMETER TO RETURN TANK)
*MUST SLOPE DOWNWARDS TOWARDS TANK
** 10 ft MAX (FROM DYNO TO RETURN TANK)
***NO BACK PRESSURE.
1200A-7172-BW
MIN 34 GAL RETURN TANK
IN GROUND
2" SCHEDULE 80 PVC
OR GALVANIZED
COOLING TOWER
DRAIN 1" HOSE
PRESSURE SIDE
(FROM ACCUMULATOR
TO DYNAMOMETER)
EITHER 1-1/2" OR 2"
HIGH PRESSURE
FLEXIBLE HOSE
2X 45° RECOMMENDED TO
REDUCE PRESSURE DROP
ON SUPPLY LINE
BALL VALVE REQUIRED
BETWEEN PUMP AND DYNO
ACCESIBLE IN ROOM
10 GAL PRESSURE
ACCUMULATOR TANK
RECOMMENDED 10 ft
MAX FROM
SUPPLY PUMP
*CUSTOMER
FURNISHED
PROVISIONS FOR
COOLING TOWER
TAP 1/2" HOSE INTO HIGHEST POINT
IN WATER SYSTEM AS AIR BLEED.
RUN TO SUPPLY TANK BENEATH
WATER LEVEL
RETURN SIDE (FROM RETURN TANK TO MAIN TANK)
EITHER 1 1/2" OR 2" SCHEDULE 80 PVC OR GALVANIZED
SUPPLY SIDE PLUMBING
2-1/2" SCHD 80 PVC
30 ft MAX EFFECTIVE LENGTH
*IF LONGER THAN 30 ft, SIZE ACCORDINGLY
TO ALLOW NECESSARY INLET PRESSURE AT FULL FLOW*
230 VAC:
DT 1640-01
480 VAC:
3820P-48015A
3820P-SP150AI
3HP SELF-PRIMING PUMP
W/ INTERNAL CHECK VALVE
MAX HEAD 97 FT
100 GPM @ 60 ft-HD
150 GPM @ MAX FLOW
230/460 VAC 3PH
1-1/2" SUCTION/DISCHARGE
2' MAX FROM RETURN TANK
*CONSTANT RUN, NO
FLOAT SWITCHES
OVERFLOW TO DRAIN
FOR WATER TEMPERING
SUCTION SIDE (FROM TANK TO PUMP)
2" OR 3" SCHEDULE 80 PVC - SHUTOFF VALVE
RECOMMENDED IN CASE OF NEED FOR SERVICING
3820P-C15GM
10 HP SUPPLY PUMP
170 GPM @ 170 ft-HD
100 GPM @ 200 ft-HD
208-230/460 VAC 3PH
26-24.8/12.4 AMPS
2" SUCTION
1-1/2" DISCHARGE
SUPPLY WATER TANK
3000 GALLON
COOLING
*OPTIONAL
COOL SUPPLY
WATER FOR
TANK WATER
TEMPERING
*OPTIONAL
NOTES:
1. DENOTES CUSTOMER SUPPLIED EQUIPMENT
REQUIRES A
SEAL FEED LINE
AND REGUALATOR
SET TO 25-30 psig.
Figure 4.2 Plumbing Diagram
NOTE: Typical plumbing diagram, SF-Powermark is shown in this example.