Operating Instructions and Installation Instructions

Edition: 02 / 2015 Page 27 / 56
VARMAX TWIN - Installation, Use and Maintenance
B. REGULATION ACCESSORIES REQUIRED
Quantity
Appliance
reference
Order No.
Communication kit 2 OCI 345 supplied
Communication cable 1 LPB BUS supplied
Output sensor kit 1 QAZ 36 supplied
Output sensor kit 1 QAC 34 059260
C. CUSTOMER'S ELECTRICAL CONNECTION
Generator No. 1:
INFORMATION:
If the isolation valve is not equipped with an automatic reset valve, connect
the Q1.1 isolating valve's closure contact to Y2.
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
Alarm
relay
VX200 diagram:
Direct circuit
circulator Q2
DB MB
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LPB bus
Isolating valve
Q1.1
TWIN B10 output
sensor
Generator No. 2:
INFORMATION:
If the isolation valve is not equipped with an automatic reset valve, connect
the Q1.2 isolating valve's closure contact to Y2.
Diagrams: VX200 / VX201
page 2 / 6
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Isolating valve end
of run