*The thermistor can be used to detect temperature of water.If domestic hot water tank is installed only, the thermistor can work
as T5. If double zone function is used only, the thermistor can worke as Tw2. If both unit are installed, an addtional thermistor
is needed (please contact the supplier).The thermistor should connect to the corresponding port in the main control board of
hydraulic(refer to 9.3.1Main control board of hydraulic module).
**
When the units are connected in parallel, such as when the communication between the unit is unstable (such as an
Hd
fault code),
add a network matching wire between the ports H1 and H2 at the terminal of the communication system;
3 ACCESSORIES
06
Before installation
Be sure to confirm the model name and the serial number of the unit.
Handling
Due to relatively large dimensions and heavy weight, the unit should only be handled using lifting tools with slings. The slings
can be fitted into foreseen sleeves at the base frame that are made specifically for this purpose.
4 BEFORE INSTALLATION
To avoid injury, do not touch the air inlet or aluminum fins of the unit.
Do not use the grips in the fan grills to avoid damage.
The unit is top heavy! Prevent the unit from falling due to improper inclination during handling.
CAUTION
The position of barycenter for different unit can be seen in the
picture below. (unit:mm)
304
670
425
670
Installation and owner’s
manual(this book)
Quantity
Operation manual
Technical data manual
Shape
Name
Name
Accessories supplied with the unit
Adapter for inlet water pipe
Thermistor for domestic hot water
tank or zone 2 water flow *
1
1
1
Quantity
Shape
1
Tighten belt for customer wiring use
2
1
1
1
Extension wire for T5 or Tw2
1
Y-shape filter
1
Water outlet connection pipe
assembly
Wired controller
2
1
Network matching wire**
1
Extension wire for Tw2 or T5
Thermistor for the back-up heater
exhanger or AHS outlet water
temp. (T1)
Accessories avaliable from supplier
The hook and
barycenter of the
unit should be on
a line in vertical
direction to
prevent improper
inclination
Make the rope go
through the lifting
holes from both
the right and left
sides in the
wooden collet
≥
1000mm
V.2
Summary of Contents for ETH220VMA
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