Panasonic 26PEK2U6 26PEK2U6 Service Manual - Page 138

Duct for Fresh Air, When installing in a pre, existing location, install

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6-13. Duct for Fresh Air For fresh air intake There is a duct connection part on side of the indoor unit. (Fig. 1-61) Air-intake plenum (including Duct connection box and flange) are attached to the indoor unit when used to take fresh outdoor air. Air-intake plenum Type CZ-26BCU1U CZ-24KPU1U (S-26PU1U6) CZ-42BCU1U CZ-36KPU1U (S-36PU1U6, S-42PU1U6) (1) Accessories Check that the following parts are in the box when unpacking. NAME Screw (M5xL4-7/8") Screw (M4xL4-1/2") Duct connection box 1 Duct connection flange Q' ty REMARKS 4 Air-intake plenum (for fastening) 8 Duct connection flange/box (for fastening) 1 (for fresh air) 1 (for connecting fresh air duct) (2) Installation Installation steps (a) to (d) are the same for both the CZ-26BCU1U and the CZ-42BCU1U. The drawing illustrates installation of air-intake plenum to the CZ-26BCU1U. (a) Installing the air-intake plenum Set the air-intake plenum to the indoor unit taking care not to set to the incorrect direction. Fasten the air-intake plenum with the supplied screws. (M5 × L4-7/8", 4 pcs) Installation screws (M5 × L4-7/8", 4 pcs) (b) Installing the duct connection box Fasten the duct connection flange to the duct connection box with the accessory screws. (M4 × L1/2", 4 pcs) Fit the duct connection box into the rectangular hole of the air-intake plenum and fasten it to the side of the air-intake plenum with the accessory screws. (M4 × L1/2", 4 pcs) (c) Installing the indoor unit Install the indoor unit to the ceiling. (Install the indoor unit according to instructions enclosed with the outdoor unit.) Air-intake plenum CAUTION When installing in a preexisting location, install the indoor unit before installing the duct connection box. Indoor unit 1. Specifications 2-3/8 4-ø1/8 hole Fig. 1-61 2-5/32 ø4-13/32 Detail of fresh air intake Unit: inch Socket cover Panel lead wire (3P, 2P) Clamper 3P socket (White) 2P socket (Green) (switch box side) 3P socket (White) 2P socket (Green) (ceiling panel side) Fig. 1-62 1-130

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1-130
1. Specifications
6-13. Duct for Fresh Air
There is a duct connection part on side of the indoor
unit. (Fig. 1-61)
(1) Accessories
Check that the following parts are in the box when
unpacking.
(2) Installation
Fit the duct connection box into the rectangular hole of
air-intake plenum with the accessory screws.
(M4 × L1/2", 4 pcs)
(c) Installing the indoor unit
Install the indoor unit to the ceiling.
(Install the indoor unit according to instructions enclosed
with the outdoor unit.)
Installation steps (a) to (d) are the same for both the
CZ-26BCU1U and the CZ-42BCU1U. The drawing
illustrates installation of air-intake plenum to the
CZ-26BCU1U.
(a) Installing the air-intake plenum
Set the air-intake plenum to the indoor unit taking care
not to set to the incorrect direction.
(b) Installing the duct connection box
Fasten the duct connection flange to the duct connection
box with the accessory screws. (M4 × L1/2", 4 pcs)
Fasten the air-intake plenum with the supplied screws.
(M5 × L4-7/8", 4 pcs)
CAUTION
When installing in a pre-
existing location, install the
indoor unit before installing
the duct connection box.
Air-intake plenum
Type
CZ-26BCU1U
CZ-24KPU1U
(S-26PU1U6)
CZ-42BCU1U
CZ-36KPU1U
(S-36PU1U6, S-42PU1U6)
Air-intake plenum (for fastening)
Duct connection flange/box (for fastening)
For fresh air intake
2-5/32
2-3/8
4-ø1/8 hole
ø4-13/32
Detail of fresh air intake
2P socket (Green)
3P socket (White)
2P socket (Green)
3P socket (White)
(ceiling panel side)
Panel lead wire (3P, 2P)
(switch box side)
Fig. 1-61
Fig. 1-62
Unit: inch
Air-intake plenum (including Duct connection box and
flange) are attached to the indoor unit when used to
take fresh outdoor air.
NAME
Q’ ty
4
REMARKS
8
1
(for fresh air)
Duct connection box
(for connecting fresh air duct)
1
Duct connection flange
Screw (M5xL4-7/8”)
Screw (M4xL4-1/2”)
the air-intake plenum and fasten it to the side of the
Clamper
Air-intake
plenum
(M5 × L4-7/8", 4 pcs)
Installation screws
Socket
cover
Indoor
unit
1