STIEBEL ELTRON WPL 15 AS User Manual

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Key
A2 Integral heat pump control unit (IWS)
A3 Inverter, compressor
A4 Filter assembly
A5 DC assembly
B1 Heating flow temperature sensor - KTY
B2 Heating return temperature sensor - KTY
B5 Hot gas temperature sensor - PT1000
B6 Outdoor air temperature sensor - PT1000
B7 Compressor intake temperature sensor - PT1000
B8 Evaporator discharge temperature sensor - PT1000
B9 Frost protection temperature sensor - KTY
B10 Injection temperature sensor - PT1000
B11 Exhaust air temperature sensor - KTY
B12 Condenser discharge temperature sensor - KTY
B13 Oil sump temperature sensor - KTY
E1 Emergency/booster heater NHZ
E2 Oil sump heater
F3 High pressure switch 42bar
F4 Fuse 10A (fan)
F5 High limit safety cut-out for NHZ
K2 Compressor start contactor L
K5 NHZ relay
K6 NHZ relay
K7 NHZ relay
M1 Compressor motor
M6 Fan motor
M7 Electrical expansion valve stepper motor
M8 Electrical injection valve stepper motor
P1 High pressure sensor (42bar)
P3 Low pressure sensor (16bar)
P4 Mean pressure sensor (30bar)
S1 Sinus filter coil
S2 Sinus filter coil
S3 Sinus filter coil
V1 Flow rate sensor
X1 Internal distribution terminal
X2 External bus terminal
X3 External power supply terminal
X4 External control unit terminal
X5 External NHZ terminal
X6 4-pole terminal
X7 Ribbon heater terminal
X8 2-pole terminal
X9 2-pole terminal
X23 Earth block, power supply
X27 Earth stud
X29 IWS plug 12-pin - control unit
X30 IWS plug 3-pin - BUS
X33 IWS plug 5-pin - electrical expansion valve
X34 IWS plug 7-pin - sensors
X35 IWS plug 6-pin – temperature sensors
X36 IWS plug 3-pin - fan
X37 IWS plug 5-pin - electrical injection valve
X38 IWS plug 3-pin - oil sump
X39 IWS plug 7-pin - temperature
X40 IWS plug 6-pin - HT special
X41 Link PCB ground
X42 Link PCB ground
X43 IWS plug 3-pin - Modbus
X46 Plug-in connector
Y1 Diverter valve, defrost
Y2 Bypass diverter valve (only for WPL15ACS, WPL20AC,
WPL25AC, WPL25ACS)
17.3 Application limit
17.3.1 Heating
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
-25 -5 15 35 55
D0000075400
X Outside temperature [°C]
Y Flow temperature [°C]
17.3.2 Cooling
0
5
10
15
20
25
30
35
40
10 20 30 40
D0000075400
X Outside temperature [°C]
Y Flow temperature [°C]

STIEBEL ELTRON WPL 15 AS Specifications

General

Brand	STIEBEL ELTRON
Model	WPL 15 AS
Category	Heat Pump
Language	English