WaterMaster 25 - 35 - 45 - 70 - 85 - 120 : A1006482 - 664Y7300 • D
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TECHNICAL CHARACTERISTICS
These grommets are intended for
low voltage electrical wires (e.g.
NTC sensors, etc.)
These grommets are intended for
high voltage electrical wires (e.g.
water heater power supply)
ELECTRICAL CHARACTERISTICS WATERMASTER
®
25-35-45
WaterMaster
Main Characteristics
25 35 45
Rated voltage V~ 230 230 230
Rated frequency Hz 50 50 50
Electrical consumption
Max. W 95 111 126
Min. W 19 30 40
Electrical consumption at
30% load
W 24 34 45
Electrical consumption in
standby
W 3 3 3
Rated current (Fuse) A 16 16 16
Class IP 20 20 20
CABLE ROUTING
230 VAC OUTPUT !
230 VAC OUTPUT !
Key
1. 230 V power supply plug
2. Ground
3. ON/OFF master switch
4. Gas valve rectied
5. Burner power supply
6. Terminal block for optional items
: Alarm (ERR)
: DHW charging pump (DHW)
7. Terminal block for optional items:
: Pump (P3 and P4 terminals)
: Flame terminal (versatile connection according to conguration)
8. Modulating pump PWM
9. Burner PWM plug
10. NTC5 ue gas temperature sensor
11. NTC2 primary circuit return sensor
12. NTC1 primary circuit supply sensor
13. NTC - Low temperature circuit
14. High limit switch
15. Low water pressure sensor
16. PCB (Display)
17. ACVMax programmation plug
18. A & B Modbus (option)
19. NTC3 DHW sensor
20. NTC4 outdoor temperature sensor (option)
21. Room thermostat 1 (option)
22. 0-10 Volt (option)
23. Room thermostat 2 (option)
24. Connection for interface control unit
25. Ignition and ionization cable
26. 5AT slow-blow fuse (3x) for internal and optional circuits*
* 5AT slow-blow fuse (2x) for internal circuits and connection of DHW and Flame output + 5AT slow-blow fuse (1x) for connection of
Alarm, P3 and P4 (connector P14)
2 spare 5AT slow-blow fuses are located on the back side of the electrical box, for fuse replacement, if required.
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