Water Pressure Sensor (Pw1, 2, 4) Replacement Procedure (Hbc); Water Pressure Sensor (Pw3) Replacement Procedure (Hbc) - Mitsubishi Electric PURY-M200YNW-A1 Service Handbook

[8-15 Main-HBC Maintenance Instructions ]
8-15-17

Water Pressure Sensor (PW1, 2, 4) Replacement Procedure (HBC)

Operation procedures
1) Remove the service panel (front lower).
2) Drain water through the pump.
3) Disconnect the connectors of the pres-
sure sensor to be replaced, and release
the wires from the clamps and the cable
ties.
4) Loosen the flare nut at the pressure sen-
sor using two spanners, and remove the
sensor.
5) When installing a new sensor, tighten
the nut using two spanners to a torque
of 16 N∙m.
6) Reconnect the connectors.
8-15-18

Water Pressure Sensor (PW3) Replacement Procedure (HBC)

Operation procedures
1) Remove the service panel (front lower).
2) Drain water through the pump.
3) Disconnect all connectors except the
connectors of the on-site wiring, and
open the control box.
4) Loosen the flare nut at the pressure sen-
sor using two spanners, and remove the
sensor.
5) When installing a new sensor, tighten
the nut using two spanners to a torque
of 16 N∙m.
6) Reconnect the connectors.
BS_08_L
Illustrations
Service panel
(front lower)
Illustrations
Control box
Service panel
(front lower)
PW2 PW4 PW1
PW3
Operation
location
Installation
location
Operation
location
Installation
location
175
chapter 8 -