TemperZone TZT-100 - Electrical Requirements; Electrical Wiring Compliance; Power Supply Requirements

Page 12 of 24
Heat Pump Water Heaters
MWP Series
Electrical power wiring must be installed and certied by
persons with appropriate qualications.
• All power wiring is to be done to the appropriate electrical
standard of the country in which the unit is being installed.
• The person installing the wiring is responsible for the correct
selection of wiring size and auxiliary components.
• Wire the unit directly from the electrical Distribution Board.
The unit should have its own dedicated circuit breaker on the
Distribution Board.
• Route the power supply cord through the orice next to the
water connections.
• A signed ‘Certicate of Compliance’ must be left with the unit
for insurance purposes.
Model Power Supply Max. Running
Current *
MWP 230 Single Phase 230V ac 50Hz 35 A
MWP 250 Three Phase 400V ac 50Hz 17 A/ph.
MWP 400 Three Phase 400V ac 50Hz 22 A/ph.
MWP 800 Three Phase 400V ac 50Hz 40 A/ph.
* Excludes any allowance for external pump.
Figure 5 Controller Wiring
Electrical
MWP Unit
12
B
A
0V
B2
A2
UC8
12
0V
TZT-100
E
N
L1
L2
L3
Power Supply
1Ø (2 core+E)
or
3Ø (4 core+E)
depending on unit
External
Protection
Isolator
Control
- shielded
twin twisted pair
4 core
T
T
Return Water
Temp. Sensor
B
A
24
24C
T
T
v1
v2
pre-wired inside MWP