Mitsubishi Electric EHSE-YM9EC User Manual

L
Signal cable
3
3
Power cable
BROWN
PWM input signal
Feedback signal
Signal ref.
BLUE
BROWN
GREEN/
YELLOW
BLUE
BLACK
M
1~
N
53
<Recommendedwaterowraterange>
<Water Circulation Pump Characteristics>
Outdoor heat pump unit Waterowraterange[L/min]
PUHZ-SW160 23.0–61.5
PUHZ-SW200 28.7–61.5
PUHZ-SHW230 28.7–61.5
Ifthewaterowrateexceeds61.5L/min,theowspeedwillbe
greaterthan1.5m/s,whichcoulderodethepipes.
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
0.0
50.0 60.0 70.0 80.0 90.0 10.0 20.0 30.0 40.0
EHSE/ERSE series
Externalstaticpressure[kPa]
Flowrate[L/min]
Speed5(Defaultsetting)
Speed4
Speed3
Speed 2
Speed 1
5 6
AWG13 FEP BLUE AWG13 FEP BLUE
AWG15 FEP WHITE
2kW
4
AWG13 FEP
BLUE
2kW 2kW
2 3
1kW
1
1kW 1kW
AWG15 FEP WHITE AWG15 FEP WHITE
10-6. Checking Component Parts' Function
Part Name Check Points
Earth leakage circuit breaker for heater Ifashortcircuitoccursontheboosterheater,immersionheater,oreachpowerline,a
short-circuitbreakerwilltripandpowersourcewillbeblocked.
Eliminatethecausesofshortcircuitandthenturnonthebreakeragain.
Relay for heater
R S T A1 A2
U V W
Whentheappliedvoltageisnot230VACacrosstheterminalsA1-A2,checktheterminals
R-U,S-V,andT-Wareopen.
Whentheappliedvoltageis230VACacrosstheterminalsA1-A2,checktheterminals
R-U,S-V,andT-Wareshort.
Booster heater Measuretheresistancebetweentheterminalswithatester.
Thermostat(90°C)andthermalcutout(121°C)
90 °C
Manual reset
water
thermostat
121 °C
Thermal
cut-out
AWG18 AWG18
9
10
Terminal Normal Abnormal
9–10 110(±35)mΩ Open or Short
3+6kWheater(400V,3phase)
Terminal Normal Abnormal
1–2=2–3=1–3 105.8(+11.8/−5)Ω Open or Short
4–5=5–6=4–6 52.9(+5.8/−2.5)Ω Open or Short
Continuetothenextpage
OCH590B

Mitsubishi Electric EHSE-YM9EC Specifications

General

Brand	Mitsubishi Electric
Model	EHSE-YM9EC
Category	Heat Pump
Language	English