Operating Instructions and Installation Instructions

Edition: 02 / 2015 Page 39 / 56
VARMAX TWIN - Installation, Use and Maintenance
Diagrams: VX210 / VX220
page 2 / 8
B. REGULATION ACCESSORIES REQUIRED
Quantity
Appliance
reference
Order No.
Extension module kit (delivered with a
network sensor QAD 36)
1 AVS 75 059751
Communication kit 2 OCI 345 supplied
Communication cable 1 LPB BUS supplied
Output sensor kit 1 QAZ 36 supplied
DHW sensor kit (diagram VX210) 1 QAZ 36 059261
Output sensor kit 1 QAC 34 059260
C. CUSTOMER'S ELECTRICAL CONNECTION
Generator No. 1:
L NY1 NY2L NL NL N
QX2 QX3 QX1 AUX2 AUX1
BX2
Gnd
BX3
Gnd
B3
Gnd
B9
Gnd
H1
Gnd
H5
Gnd
230 VAC 50 Hz
power supply
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External sensor B9
VX210 diagram:
DHW sensor B3
DB MB
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TWIN B10 output
sensor
Alarm
relay
VX210 diagram: DHW pump Q3
VX220 diagram: Direct circulator Q15
Isolating valve
Q1.1
LPB bus
VX220 diagram:
Shunt to be put in
place
INFORMATION:
If the isolation valve is not equipped with an automatic reset valve, connect
the Q1.1 isolating valve's closure contact to Y2.
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Isolating valve end
of run