Table of Contents
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Contents
1.
Safety precautions.............................................................................................................................................................................8
1.1. Before installation and electric work.................................................................................................................................................8
1.3. Before installation ...........................................................................................................................................................................9
2. Accessories............................................................................................................................................................................................9
3.
System components ........................................................................................................................................................................10
4.
Selecting an installation site ............................................................................................................................................................10
5.
Electrical wiring ...............................................................................................................................................................................10
5.1. Connecting the thermistor cables....................................................................................................................................................10
5.1.2 Connecting the Domestic Hot Water (DHW) thermistor T1......................................................................................................11
5.3.3 Connecting the Under Floor Heating (UFH) thermistor T2.......................................................................................................11
5.3.4 Connecting the Under Floor Cooling (UFC) thermistor T3.......................................................................................................11
5.2. Connecting to the PQFY unit.........................................................................................................................................................12
5.3. Connecting the Immersion Signal..................................................................................................................................................12
5.4. Connecting the Mode Select .........................................................................................................................................................12
6. Setting up the Unit and Unit Logic ........................................................................................................................................................13
7. Initial setting and test run......................................................................................................................................................................14
1. Safety precautions
1.1. Before installation and electric work
Before installing the unit, make sure you read all the "Safety
precautions".
The "Safety precautions" provide very important points regarding
safety. Make sure you follow them.
Symbols used in the text
Warning:
Describes precautions that should be observed to prevent danger of injury or death to the user.
Caution:
Describes precautions that should be observed to prevent damage to the unit.
Warning:
Carefully read the labels affixed to the main unit.
Warning:
Ask the dealer or an authorised technician to install the controller.
•
- Improper installation by the user may result in water leakage, electric shock, or fire.
Use the specified cables for wiring. Make the connections securely so that the outside force of the cable is not applied to the
•
terminals.
- Inadequate connection and fastening may generate heat and cause a fire.
Never repair the unit. If the controller must be repaired, consult the dealer.
•
- If the unit is repaired improperly, electric shock, or fire may result.
Install the controller according to this Installation Manual.
•
- If the unit is installed improperly, electric shock, or fire may result.
Have all electric work done by a licensed electrician according to "Electric Facility Engineering Standard" and "Interior Wire
•
Regulations" and the instructions given in this manual and always use a special circuit.
- If the power source capacity is inadequate or electric work is performed improperly, electric shock or fire may result.
Keep the electric parts away from water (washing water etc.).
•
- It might result in electric shock, fire or smoke.
• When moving and reinstalling the ACH1 unit, consult the dealer or an authorised technician.
- If the controller is installed improperly, electric shock, or fire may result.
• To dispose of this product, consult your dealer.
8
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