Service Manual

U-Match Series DC Inverter Service Manual
67
(4) Connect the drain hose (Figure 3-1-32).
Drain hose must
slope downward.
Allow no trap to
form in the piping
Do not allow end
of hose to touch
water
Figure 3-1-32
1.2.6.2 Installing the Drain Pipes
(1) For determining the position of the drain hose, perform the following procedures.
(2) Insert the drain pipe to the drain outlet of the unit and then tighten the clamp securely with tape
(Figure 3-1-33).
(3) Connect the extension drain pipe to the drain pipe and then tighten the clamp with tape.
1
2
3
1
2
Drain pan
≤4mm(1/8inch)
Seal
Drain hose
Figure 3-1-33 Figure 3-1-34 Figure 3-1-35
Tighten the clamp until the screw head is less than 4mm (1/8inch) from the hose (Figure 3-1-34).
①- Metal clamp ②- Drain hose ③- Grey tape
Insulate the pipe clamp and the drain hose using heat insulation sponge ( Figure 3-1-35).
①- Metal clamp ②- Insulation sponge
Note:
Step 1 to Step 3 have been finished by the manufacturer.
(4) When drain hose requires extension, obtain an extension hose commercially available.
(5) After connecting the local drain hose, tape the slits of the heat insulation tube.
(6) Connect the drain hose to the local drain pipe. Position the inter connecting wire in the same
direction as the piping.
1.2.6.3 Connecting the Drain Hose
(1) Connect the extension auxiliary pipe to the local piping.
(2) Prepare the local piping at the connection point for the drain pipe, as shown in the installation
drawings.
Note:
Be sure to place the drain hose as shown in the diagram below, in a downward sloping
direction.