Raypak LONMARK Y-200 User Manual download pdf (Page 10)

Water Temperature Sensor

Installation

Hydronic Heating Applications

• Hydronic installations may require outdoor reset

function. See page 11, and screen 02.

• Ensure shielded cable length does not exceed 300

feet. Use 18 AWG shielded wire for sensor con-

nections.

• Must be installed in properly-sized conduit with no

other wiring.

• Locate the water sensor as shown in Fig. 6.

12”

5’ MAX

OR MORE STAGES OR

4:1 TURN DOWN OR HIGHER

Fig. 6: Typical Water Sensor

NOTE: When the system involves a variable-speed

pump, it is recommended that the temperature

sensor be installed in the tee connecting boiler outlet

piping to the system. This is to ensure the control

can respond to the changing conditions of the

system by placing the sensor as close to the blend

location as possible and then provide an appropriate

and measured response to maintain desired system

delivery temperature.

NOTE: Piping diagrams in this manual are not

intended to replace an engineered piping system.

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Raypak LONMARK Y-200 User Manual Page 10