Raypak LONMARK Y-200 Manual de usuario descargar pdf (Pagina 7)

Power to the Controller

• Observe (follow proper) polarity.

•

Observe proper wire colors while making electrical

connections.

• Provide an external surge suppressor capable of

maintaining system integrity.

• Provide overload protection and a disconnect

means for equipment serviceability as required by

local and state code.

• Conduit cannot be used as the ground. (There

must

be a “WIRED” ground.)

• Very Important: A grounding electrode con-

ductor shall be used to connect the equipment

grounding conductors, the equipment enclosures,

and where the system is grounded, the grounded

service conductor to the grounding electrode.

Fig. 2: Wiring Diagram

Controller Field Wiring

For Single-Stage (ON/OFF) Boilers

ll stage connections on the control board are con-

nected at the {TH} (Thermostat) location on the boiler

wiring diagram.

For Multiple-Stage Boilers

First stage connections on the control board are con-

nected at the {TH} (Thermostat) location on the boiler

wiring diagram. Second (or third, etc.) stage connec-

tions on the control board are connected at the

locations shown on the boiler wiring diagram.

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Raypak LONMARK Y-200 Manual de usuario Pagina 7