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www.dimplexrenewables.co.uk A-X
Appendix
3.4
3.4 Legend
A1 Wire jumper, must be inserted if no blocking contactor is fitted
A2 Wire jumper, must be removed if the 2nd disable contactor is
used
A3 Wire jumper, must be removed if a motor protection contact is
used for the primary pump
A4 Wire jumper, must be removed when a motor protection contact
is used for the compressor
Open wire jumpers or contacts mean: block or fault
B2* Low-pressure brine controller
B3* Hot water thermostat
B4* Swimming pool water thermostat
C1 Running capacitor, compressor
E10* 2nd heat generator (function selectable via controller)
F2 Load fuse for N1 relay outputs at J12 and J13
4.0 slow-acting
F3 Load fuse for N1 relay outputs at J15 to J18
4.0 slow-acting
F4 High-pressure switch
F5 Low-pressure switch
J1...J18 Terminal connector at N1
K5 Contactor for primary pump (PUP)
K11* Electron. remote fault indicator relay
K12* Electron. relay for swimming pool water circulating pump
K20* Contactor for 2nd heat generator
(boiler or electric heating element)
K21* Contactor, electric immersion heater, hot water
K22* Utility blocking contactor
K23* SPR auxiliary relay
K25 Starting relay for N7
K28* External switching to "cooling" operation
M1 Compressor
M11* Primary pump
M13* Heat circulating pump
M15* Heat circulating pump for heating circuit 2
M16* Auxiliary circulating pump
M18* Hot water loading pump
M19* Swimming pool circulating pump
M21* Mixer, principal circuit
M22* Mixer for heating circuit 2
N1 heat pump manager
N7 Soft start control
N11* Relay module
N14 Operating element
R1* External sensor
R2 Return flow sensor
R3* Hot water sensor (as an alternative to the hot water thermostat)
R5* Sensor for heating circuit 2
R6 Flow temperature limit sensor
R7 Coding resistor 40.2 kOhm
R9 Flow sensor
R13* Heating circuit 3 / renewable sensor
T1 Safety isolating transformer 230/24 V AC-28 VA
X1 Terminal strip mains control
L/N/PE-230V AC-50 Hz/fuses/N and PE terminal blocks
X2
X3 Terminal strip for GND terminal block for sensors
X4 Terminal strip Compressor
X6 Terminal strip for power supply L/N/PE-230V AC-50 Hz
Abbreviations:
EVS Utility disable contactor
SPR Supplementary disable contactor
MA Mixer OPEN
MZ Mixer CLOSED
* Components to be supplied from external sources
- - - - -
To be connected by the customer as required
––––– Wired ready for use
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