Raypak 850 Instructions d'exploitation télécharger pdf (Page 20)

Check the power source:

AC = 108 VAC Minimum, 132 VAC MAX

AB = 108 VAC Minimum, 132 VAC MAX

BC = <1 VAC Maximum

Check the Power Source

WARNING: Using a multi-meter, check the

following voltages at the circuit breaker panel prior to

connecting any equipment. Make sure proper

polarity is followed and house ground is proven.

(See Fig. 13.)

Fig. 12: Wiring Connections

Fig. 13: Multi-meter

NOTE: Minimum 18 AWG, 105°C, stranded wire

must be used for all low voltage (less than 30 volts)

external connections to the unit. Solid conductors

hould not be used because they can cause

excessive tension on contact points. Install conduit

as appropriate. All high voltage wires must be the

same size (105°C, stranded wire) as the ones on the

unit or larger.

Making the Electrical Connections

Refer to Fig. 12–20.

1. Verify that circuit breaker is properly sized by

referring to heater rating plate. A dedicated circuit

breaker should be provided and sized for the

heater and all pumps powered through the heater.

2. Turn off all power to the heater. Verify that power

has been turned off by testing with a multi-meter

prior to working with any electrical connections or

components at the J-box inside the heater.

3. Observe proper wire colors while making electri-

cal connections. Many electronic controls are

polarity sensitive. Components damaged by im-

proper electrical installation are not covered by

warranty.

4. Provide overload protection and a disconnect

means for equipment serviceability as required by

local and state code.

5. Install heater controls, thermostats, or building

management systems in accordance with the

applicable manufacturers’ instructions.

6. Conduit should not be used as the earth ground.

NOTE: A grounding electrode conductor shall be

used to connect the equipment grounding

conductors, the equipment enclosures, and the

grounded service conductor to the grounding

electrode.

NOTE: Current draw noted on rating plate does not

include pump current.

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Raypak 850 Instructions d'exploitation Page 20

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