Coolant Three-Way Valve And Electric Cooler Three-Way Valve; Required Parts And Tools Used; Preparation For Work; Prepare To Remove The Three-Way Valve - Panasonic U-16GE2E5 Main Parts Replacement

Coolant Three-way Valve and Electric Cooler Three-way
Valve Replacement Procedure

1. Required parts and tools used

Part names and tools used
Coolant three-way valveElectric cooler three-way
valveHot water three-way valve
Clamp
General tools

2. Preparation for work

(1) See "1. Safety Precautions" and "2. Preparation for work" of "Basic Operation" in this manual.

3. Prepare to remove the three-way valve

(1) Drain the coolant (coolant) within the unit.
For details about the coolant draining procedure, see "Coolant Check, Replenishment, and Replacement
Procedure" in this manual.

4. Remove the three-way valve (Figure 1)

(1) Disconnect the wire connectors from the three-way
valve.
(2) Remove the hose clamp from the three-way valve
and separate the hose from the valve.
(3) Remove the securing bolts, and remove the three-
way valve and its securing bracket.
(4) Remove the securing bracket from the three-way
valve.

5. Install the three-way valve

(1) Installation procedure is the reverse of the removal
procedure.
Caution
After you connect the wires, secure the wires together in position with the clamp.

6. Preparation for operation

(1) Turn on the power supply circuit breaker for the
outdoor unit.
(2) Open the main gas valve, starting the fuel supply.
(3) Set the STOP SW (S001) from the STOP side to the
NORM side. (Figure 2)

7. Coolant Replenishment

For details on the coolant replenishment procedure, see
"Coolant Inspection, Replenishment, and Replacement
Procedure" in this manual.
Remarks
623-166-8507
As needed
1 set
40
Three-way
valve
Figure.1
Figure.2