Armstrong ARMflo E9.2 E2 Series Інструкція з монтажу та експлуатації - Сторінка 2
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Electrical Wiring
The electrical wiring must be installed in strict accordance with the Canadian Electrical Code or the U.S. National
Electrical Code, as well as local codes and regulations.
1. Electrical installation should be conducted by a qualified electrician.
2. The motors of ARMflo E Series circulators are designed for 60 Hz, 1 Phase, 120 V or 240 V service only.
(Please refer to the rating label on the circulator's terminal box to determine the correct voltage.)
3. Always make sure the electric power is disconnected and locked out before wiring the circulator.
4. To wire, loosen the screw from the terminal box cover and remove the screw and cover.
5. Install the appropriate size conduit end to one of the holes on either side of the terminal box.
6. For 120V models:
Referring to Diagram 1 below, connect the hot (black, "L") and neutral (white, "N") leads of the supply
wire to the black and white motor leads respectively inside the terminal box. Connect the ground wire to
any one of the four green ground screws inside of the terminal box (use a minimum 18 AWG wire size).
For 208/240/277V models:
Referring to Diagram 2 below, connect the black ("L1") and blue ("L2") leads of the supply wire to the
black and white motor leads respectively inside the terminal box. Connect the ground wire to any one of
the four green ground screws inside of the terminal box (use a minimum 18 AWG wire size).
Diagram 1 (120 V installations)
Typical wiring diagram for
single phase, 120 V, 60 Hz power source
7. Replace the terminal box cover.
The motor is thermally protected for your safety so overload protection is not necessary. All that is required is a fused
plug or circuit breaker in the power line.
Electrical information can be found on the nameplate of the motor.
START UP
1. Before starting up the circulator, proper installation practice recommends a thorough flush and draining of the
hydronic system, ensuring removal of all foreign materials. Fill the system with clean water or glycol solution
before starting.
2. Air must be completely vented from the system before starting up the circulator. If the system is not
completely vented of air and the circulator is allowed to run dry, the mechanical seal will be damaged.
3. When the system has been completely filled and vented, only then can the pump be started.
Diagram 2 (208 / 240 / 277 V installations)
Typical wiring diagram for
a) single phase, 240 V, 60 Hz power source, and
b) three phase, 208 V / 277 V, 60 Hz power source
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