MEES19K187
PQRY-
P
-T(
S
)LMU
-A1, Y(
S)LMU
-A1
204
2. EXTERNAL DIMENSIONS
WR2-Series
PQRY-P144, 168, 192YLMU-A1
Unit: mm(in)
Note1.Close a hole of the water piping, the refrigerant piping,
the power supply
, and the control wiring and unused knockout
holes with the putty etc. so as not to infiltrate rain water
etc.(field erection work)
Note2.At the time of product shipment, the front side piping
specification serves as the local drainage connection.
When connecting on the rear side, please remove the
rear side plug sealing corks, and attach a front side.
Ensure there is no leak after the attachment has been fitted.
Note3.T
ake notice of service space as Fig.A. (In case of single
installation, 600mm(23-5/8) or more of back space as front space
makes easier access when servicing the unit from rear side.)
Note4.If water pipes or refrigerant pipes stretch upward,
required space for service and maintenance due to
replacement of control box is shown in Fig.B.
Note5.Environmental condition for installation; -20~40°C(DB) (-4~104°F)
as indoor installation.
Note7.Ensure that the drain piping is downward with a pitch of
more than 1/100.
Note8.At brazing of pipes, wrap the refrigerant service valve
with wet cloth and keep the temperature of
refrigerant service valve under 120°C(248°F).
(7/8)
ø22.2 Brazed
*1
<Accessories>
•
Refrigerant (high pressure) conn. pipe
• • • • •
1pc.
(
P144/P168/P192
; Packaged in the accessory kit)
(
P144/P168/P192
; Packaged in the accessory kit)
•
Sealing material for water stopper
• • • • •
1pc.
(
P144/P168/P192
; Packaged in the accessory kit)
(
P144/P168/P192
; Packaged in the accessory kit)
• Sealing material for drain socket
• • • • •
1pc.
(
P144/P168/P192
; Packaged in the accessory kit)
•
Sealing material for field piping (high pressure, low pressure)
• • • • •
1pc. each
(
P144/P168/P192
; Packaged in the accessory kit)
•
Pipe cover for low pressure
• • • • •
1pc.
• Sealing material for base
leg
(two types)
• • • • •
4pcs. each
(
P144/P168/P192
; Packaged in the accessory kit)
(
P144/P168/P192
; Packaged in the accessory kit)
•
Sealing material for panel
• • • • •
1pc.
•
W
a
ter stopper
• • • • •
1pc.
•
Refrigerant (low pressure) conn. pipe
• • • • •
1pc.
(
P144/P168/P192
; Packaged in the accessory kit)
T
op view
Front view
Right side view
Back view
Bottom view
Fig.B
Fig.A
(1)
(1-1/8)
(1-1/8)
ø25.4
ø28.58 Brazed
ø28.58
Refrigerant pipe
Service valve
Diameter
Model
Connecting pipe specifications
Low pressure
High pressure
*1
PQR
Y-P144YLMU-A1
PQR
Y-P168YLMU-A1
PQR
Y-P192YLMU-A1
Low pressure
High pressure
*1.Connect by using the connecting pipes that are supplied.
2×2-14(9/16)×31(1-1/4) Oval hole
1450(57-1/8)
880(34-1
1/16)
550(21-11/16)
367
23
434(17-1/8)
82(3-1/4)
421(16-5/8)
75(3)
58(2-5/16)
393(15-1/2)
140(5-9/16)
320
(12-5/8)
(14-1/2)
(15/16)
29(1-3/16)
83(3-5/16)
426(16-13/16)
84(3-5/16)
278(11)
569(22-7/16)
216(8-9/16)
89(3-9/16)
77(3-1/16)
145(5-3/4)
721(28-7/16)
473(470
㹼
476)
31.5
31.5
72.5
7
2.5
(866)(34-1/8)
(2-7/8)
(Mounting pitch)
(2-7/8)
(536)(21-1/8)
(Mounting pitch)
(18-5/8)(18-9/16~18-3/4)
(1-1/4)
(1-1/4)
840(33-1/8)
600(23-5/8)
450(17-3/4)
1450(57-1/8)
600(23-5/8)
450(17-3/4)
350(13-13/16)
700(27-9/16)
880(34-1
1/16)
(111
)
(69)
(21-1/8)
(4-3/8)
(2-3/4)
536
168(6-5/8)
168(6-5/8)
6
7
5
1
4
3
8
Control box
Service panel
Refrigerant service valve <High pressure>
8
Refrigerant service valve <Low pressure>
2
T
ransformer box
control box
The space for
replacement
(front side)
Service space
(front side)
Service space
To
p view
control box
The space for
replacement
NO.
For pipes
For wires
For transmission
cables
Usage
Front through hole
Front through hole
Front through hole
Front through hole
Specifications
Rc3/4 Screw
NPT1-1/2
Screw
NPT1-1/2
Screw
inlet
outlet
Drain pipe
W
a
ter pipe
1
2
4
3
5
6
7
8
140 × 77 Knockout hole
(5-9/16) (3-1/16)
ø62.7 or ø34.5 Knockout hole
(2-1/2) (1-3/8)
ø43.7 or ø22.2 Knockout hole
(1-3/4) (7/8)
ø
45 Knockout hole
(1-13/16)
ø
34 Knockout hole
(1-3/8)
(Uses when twinning kit (optional parts) is mounted.)
Front through hole
Note6.In case the temperature around the heat source unit has
possibility to drop under 0°C(32°F) or the inlet-water temp.
drops under 10°C(50°F), be careful for the following
point to prevent the pipe burst by the water pipe freeze-up.
•Add brine to water circuit.
•Circulate the water all the time even if the heat source
unit is not in operation.
•Drain the water from inside of the heat source unit when
the heat source unit will not operate for a long term.
0000005754.BOOK 204 ページ 2020年2月28日 金曜日 午後12時2分