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Page 12 of 16 STRATUM™ Model VR1000 P/N: ISVR1000 Rev: M
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Pomona, CA Clemmons, NC Nashville, TN
Tel: 908.351.5400 www.haywardpool.com
Wiring
WARNING – All electrical wiring MUST be in conformance with all applicable local codes, regulations, and the National
Electrical Code (NEC).
Pump MUST be permanently connected to circuit. If other lights or appliances are also on the same circuit, be sure to add their amp loads
before figuring wire and circuit breaker sizes. Use the load circuit breaker as the Master On-Off switch.
Install a Ground Fault Circuit Interrupter (GFCI) in circuit; it will sense a short-circuit to ground and disconnect power before it becomes
dangerous to pool users. For size of GFCI required and test procedures for GFCI, see manufacturer’s instructions. In case of a power
outage, check GFCI for tripping, which will prevent normal pump operation. Reset if necessary.
NOTE: If you do not use conduit when wiring motor, be sure to seal wire opening on end of motor to prevent dirt, bugs, etc., from
entering.
Start-Up & Operation
Prior to Start-Up
Notice: If it is necessary to perform a pressure test prior to initial use to ensure pump is functioning properly. The following criteria should
be maintained for this test:
1. Ensure all pump and system components are sealed properly to prevent leaks.
2. Remove any trapped air in the system by fully opening filter manual air relief valve until a steady stream of
water is discharged.
3. Allow no more than 40 psi (172 kPa) at a water temperature no higher than 100° F (38° C).
4. Run pressure test for no longer than 24 hours. Immediately inspect all parts to verify they are intact and
functioning properly.
5. Have a professional perform this test.
Fill strainer housing with water to suction pipe level. NEVER OPERATE THE PUMP WITHOUT WATER. Water acts as a coolant
and lubricant for the mechanical shaft seal.
ATTENTION – NEVER run pump dry. Running pump dry may damage seals, causing leakage, flooding, and voids
warranty. Fill strainer housing with water before starting motor.
ATTENTION – Do NOT add chemicals to pool/spa system directly in front of pump suction. Adding undiluted
chemicals may damage pump and voids warranty.
ATTENTION – Before removing strainer cover:
1. STOP PUMP before proceeding.
2. CLOSE VALVES in suction and outlet pipes.
3. RELEASE ALL PRESSURE from pump and piping system using filter manual air relief valve. See filter owner’s
manual for more detail.
WARNING – If pump is being pressure tested (40 PSI MAXIMUM), be sure pressure has been released before removing
strainer cover.
Priming Pump
CAUTION – All suction and discharge valves MUST be OPEN, as well as filter air relief valve (if available) on filter,
when starting the circulating pump system. Failure to do so could result in severe personal injury.
Release all pressure from filter, pump, and piping system. See filter owner’s manual.
If water source is higher than the pump, pump will prime itself when suction and outlet valves are opened. If water source is
lower than the pump, unscrew and remove strainer cover; fill strainer housing with water.
Clean and lubricate strainer cover O-ring with "Jack's 327" each time it is removed. Inspect O-ring and re-install on strainer
cover.
Replace strainer cover on strainer housing; turn clockwise to tighten cover.
NOTE: Tighten strainer cover by hand only (no wrenches).
Turn on power and wait for pump to prime, which may take up to five (5) minutes. Priming time will depend on vertical length of suction
lift and horizontal length of suction pipe. If pump does NOT prime within five minutes, stop motor and determine cause. Be sure all
suction and discharge valves are open when pump is running. See Pump Owners Manual For Troubleshooting Guide.
ATTENTION – Wait five (5) seconds before re-starting pump. Failure to do so may cause reverse rotation of motor and
consequent serious pump damage.
Close air relief valve after pump is primed.