22
WY
MEE15K036
2. EXTERNAL DIMENSIONS
HEAT SOURCE
PQHY-P350, 400, 450, 500YLM-A
Unit: mm
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
Rc1-1/2
ࠉ
Screw
Rc1-1/2
ࠉ
Screw
inlet
outlet
Drain pipe
W
ater pipe
140 × 77 Knockout hole
ø65 or ø40 Knockout hole
ø52 or ø27 Knockout hole
ø34 Knockout hole
1
2
4
3
5
6
7
Top view
Front view
Right side view
Back view
Bottom view
Fig.B
Fig.A
2×2-14×31 Oval hole
Connecting pipe specifications
*1.Connect by using the connecting pipes and elbow that are supplied.
*2.Use the pipe joint(field supply) and connect to the refrigerant service valve piping.
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 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)
as indoor installation.
Note6.In case the temperature around the heat source unit has
possibility to drop under 0°C, be careful for the following
point to prevent the pipe burst by the water pipe freeze-up.
•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.
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.
1450
880
550
367
23
434
426
82
83
421
75
58
393
140
320
84
82
188
254
29
216
89
77
721
473(470~476)
31.5
31.5
72.5
72.5
(866)
(Mounting pitch)
(536)
(Mounting pitch)
840
600
450
1450
600
450
350
700
880
(1
11)
(69)
536
168
168
5
6
4
1
3
2
7
Control box
Service panel
Refrigerant service valve <Liquid>
7
Refrigerant service valve <Gas>
control box
The space for
replacement
(front side)
Service space
(front side)
Service space
Top view
control box
The space for
replacement
<Accessories>
• Refrigerant (Liquid) conn. pipe
• • • • •
1pc.
(P350/P400/P450/P500 ; Packaged in the accessory kit)
• Refrigerant (Gas) conn. elbow
• • • • •
1pc.
(P350/P400/P450/P500 ; Packaged in the accessory kit)
• W
ater stopper(Liquid,Gas)
• • • • •
1pc. each
(P350/P400/P450/P500 ; Packaged in the accessory kit)
• Sealing material for water stopper (Liquid,Gas)
• • • • •
1pc. each
(P350/P400/P450/P500 ; Packaged in the accessory kit)
• Sealing material for field piping (Liquid,Gas)
• • • • •
1pc. each
(P350/P400/P450/P500 ; Packaged in the accessory kit)
• Sealing material for drain socket
• • • • •
1pc.
(P350/P400/P450/P500 ; Packaged in the accessory kit)
• Pipe cover for gas
• • • • •
1pc.
(P350/P400/P450/P500 ; Packaged in the accessory kit)
• Sealing material for base leg (two types)
• • • • •
4pcs.each
(P350/P400/P450/P500 ; Packaged in the accessory kit)
• Sealing material for panel
• • • • •
1pc.
(P350/P400/P450/P500 ; Packaged in the accessory kit)
ø15.88
ø28.58 Brazed
ø28.58
Refrigerant pipe
Service valve
Diameter
Model
*1
ø12.7 Brazed
ø15.88 Brazed
PQHY
-P350YLM-A
PQHY
-P400YLM-A
PQHY
-P450YLM-A
PQHY
-P500YLM-A
Liquid
Gas
Gas
Liquid
*1
*1 *2
0000003810.BOOK 22 ページ ２０１５年１１月９日 月曜日 午前１１時１２分
