HaiLin Controls LAKEplus User manual

Huilongguan International Information Industry Base,Changping District,Beijing,China
Installation Guide

Items included in box
A Front plate
B Back plate
C Screws and drywall plugs
D Installation Guide, User Guide and Wiring labels
Items you’ll need
A Phillips screwdriver
B Drill for mounting anchors with inch drill bit
3
16
/
A B

C
Rh
Rc
G
W1/E
W2/AUX
Y1
Y2
O
B
24VAC common wire
24VAC power from heating transformer
24VAC power from cooling transformer
Fan relay
Stage1 heat relay /Emergency heat
Stage2 heat relay /Auxiliary heat
Stage1 cool relay
Stage2 cool relay
Cooling changeover valve
Heating changeover valve
Use the stickers from step 2 as a guide and insert the wires into your thermostat
terminal blocks.................................................................................................................Page9
Before doing anything else, power off your system..........................................................Page6
Overview of steps
Step1 Power off your HVAC system
Step2 Label the wires
Step3 Connect wires
Step4 Attach back plate to wall
Step5 Installing front plate
Step6 Power on your HVAC system
Label each wire with the provided stickers.......................................................................Page7
Secure the back plate to your wall with the provided screws...........................................Page16
Align the front plate to the back plate and then snap into place back plate.....................Page17
Power back on your HVAC equipment.............................................................................Page18
Terminal descriptions

Step1 Power off your HVAC system
To protect your equipment, switch OFF the power to your heating/cooling
system at the breaker box or the system switch.
Step2 Label the wires
1.Remove the cover from your old thermostat.
110/ 120V
HC
Warning! If your old thermostat has 110/120V wires
capped with wire nuts, it is a high voltage system and is
not compatible with your thermostat.

Step3 Connect wires
1. Remove the old back plate from the wall. Make sure the wires do not fall back
into the wall.
2. The wires from the wall should plug easily into the terminal blocks. To release a
wire, press down on the lever.
3. When installed correctly, the release lever of the terminal block will lower to
indicate engagement. Tug on the wires to ensure they are engaged in the terminal.
2. Using the old thermostat base as a guide, label each wire going into your old
thermostat with the provided stickers.
RC R HG Y W C

Connection reference
2.Conventional 2 stage heating
4.Conventional 1 stage heating and 2 stage cooling
3.Conventional 1 stage heating and 1 stage cooling
Conventional Systems
1.Conventional 1 stage heating

Heat Pump Systems
5.Conventional 2 stage heating and 1 stage cooling
6.Conventional 2 stage heating and 2 stage cooling
1.1 stage heat pump
2.1 stage heat pump with aux heat

3.1 stage heat pump with aux heat and emergency heat
4.2 stage heat pump
5.2 stage heat pump with aux heat
6.2 stage heat pump with aux heat and emergency heat

Step4 Attach back plate to wall
1.Position the back plate of your thermostat on your wall, using the built-in level to
make sure it’s straight. Mark the mounting holes on your wall in pencil.
2.Drill mounting holes for the drywall anchors.
3.Secure the back plate to your wall with the provided screws.
Step5 Installing front plate
Align the front plate to the back plate and then snap into place back plate.

Step6 Power on your HVAC system
Power back on your HVAC equipment.
Your thermostat will automatically power on.