Preface
Dear users:
Welcome to use the C&H circulating air source heat pump water heater. Please read carefully
the instructions before installation and operation. Install and operate it according to the steps
provided in this manual, thus you can master and operate the unit properly.
Please pay attention to the following marks:
Warning: This symbol indicates the possibility of death or series injury.
Caution: This symbol indicates the possibility of injury or damage to property.
Warning:
（
1
）
Installation work must be conducted by the appointed maintenance center. Improper
installations might cause water leakage, electric shock, fire and other accidents.
（
2
）
Be sure not to store or use dangerous materials such as flammable, explosive and
poisonous objects near the unit.
（
3
）
Turn off the main power of the water heater immediately upon malfunction (such as
combustion is smelled and so on).
（
4
）
Do not insert your fingers or other objects into the air outlet or air-in grille.
（
5
）
Do not start or stop the unit through the way of inserting or pull out power cord.
（
6
）
Do not refit, repair or move the unit. If it needs to be repaired, please contact dealer or
professional installer.
（
7
）
Earthing device must be set for hot water unit, heating water tank, thermal storage water
tank, water pump and system pipe network.
Caution:
（
1
）
Before installation, please check whether the power is consist with that required on the
nameplate, and then check the safety of the power.
（
2
）
Before operation, please check and confirm whether electric wires and water pipes are
connected correctly for preventing water leakage, electric shock, fire hazard and other accidents.
（
3
）
The power socket must be equipped with earthing wire for ensuring reliable grounding for
unit and preventing electric shock. Do not connect earthing wire to gas pipe, tap water pipe,
lightening conductor or telephone wires.
（
4
）
Do not operate the unit with wet hands. Do not let children play with the unit.
（
5
）
Turn on or turn off the unit in this instruction manual is turning on or turning off the
controller; Cut off the power indicates stop supplying power to the unit.
（
6
）
Do not expose this unit in damp environment directly.
（
7
）
If the outdoor ambient temperature is low in winter, do not cut off the power after stop
operation. Otherwise, freeze prevention protection will be invalid.
（
8
）
If the unit won’t be used for a long time, please drain the residual water inside unit, water
tank and pipeline through drainage valve.
（
9
）
Please conduct leakage inspection after installation.
This appliance can be used by children aged from 8 years and above and persons with
reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have
been given supervision or instruction concerning use of the appliance in a safe way and understand
the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance
