Mitsubishi Electric EHSD-MED Service Manual page 55

10-6. Checking Component Parts' Function
Part Name
Signal cable
3
M
1~
3
Power cable
GREEN/
YELLOW
<Recommended water flow rate range>
Outdoor heat pump unit
Packaged model PUZ-WM50
PUZ-WM60
PUZ-WM85
PUZ-WM112
PUZ-HWM140
Split model SUZ-SWM40
SUZ-SWM60
SUZ-SWM80
PUD-S(H)WM60
PUD-S(H)WM80
PUD-S(H)WM100
PUD-S(H)WM120
PUD-SHWM140
PUHZ-FRP71
PUHZ-SW75
PUHZ-SW100
PUHZ-SW120
PUHZ-SHW80
PUHZ-SHW112
PUHZ-SHW140
PUMY-P112
PUMY-P125
PUMY-P140
<Table 10.6.1>
* If the water flow rate is less than the minimum flow rate setting of
the flow sensor(default 5.0 L/min), the flow rate error will be acti-
vated.
If the water flow rate exceeds 36.9 L/min, the flow speed will be
greater than 2.0 m/s, which could erode the pipes.
E*PX series
80.0
70.0
60.0
50.0
40.0
30.0
20.0
10.0
0.0
0.0 5.0 10.0 15.0 20.0
Flow rate [L/min]
<Figure 10.6.6>
OCH712C
BROWN
PWM input signal
BLUE
Signal ref.
BLACK
Feedback signal
BROWN
L
BLUE
N
Water flow rate range [L/min]
6.5 – 14.3
8.6 – 17.2
10.8 – 24.4
14.4 – 32.1
17.9 – 40.1
6.5 – 11.4
7.2 – 17.2
7.8 – 21.5
9.0 – 22.9
9.0 – 22.9
14.3 – 34.4
14.3 – 34.4
14.3 – 34.4
11.5 – 22.9
10.2 – 22.9
14.4 – 32.1
20.1 – 36.9
10.2 – 22.9
14.4 – 32.1
17.9 – 36.9
17.9 – 35.8
17.9 – 35.8
17.9 – 35.8
Speed 5
(Default setting)
Speed 4
Speed 3
Speed 2
Speed 1
25.0 30.0 35.0 40.0 45.0 50.0
<Water Circulation Pump Characteristics>
80.0
70.0
60.0
50.0
40.0
30.0
20.0
10.0
0.0
0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0
<Figure 10.6.1>
80.0
70.0
60.0
50.0
40.0
30.0
20.0
10.0
0.0
0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0
<Figure 10.6.2>
80.0
70.0
60.0
50.0
40.0
30.0
20.0
10.0
0.0
0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0
<Figure 10.6.3>
140.0
120.0
100.0
80.0
60.0
40.0
20.0
0.0
0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 90.0
<Figure 10.6.4>
80.0
70.0
60.0
50.0
40.0
30.0
20.0
10.0
0.0
0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0
<Figure 10.6.5>
Note: For installation of E*PX series, set its pump speed with a pressure drop between
the hydrobox and the outdoor unit factored into the external static pressure.
55
Checkpoints
ERSC series
Speed 5 (Default setting)
Speed 4
Speed 3
Speed 2
Speed 1
Flow rate [L/min]
ERSD series
Speed 5 (Default setting)
Speed 4
Speed 3
Speed 2
Speed 1
Flow rate [L/min]
EHSC series
Speed 5 (Default setting)
Speed 4
Speed 3
Speed 2
Speed 1
Flow rate [L/min]
E*SE series
Speed 5 (Default setting)
Speed 4
Speed 3
Speed 2
Speed 1
Flow rate [L/min]
EHSD series
Speed 5 (Default setting)
Speed 4
Speed 3
Speed 2
Speed 1
Flow rate [L/min]