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Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION
208
electric box
PE
L
N
hydro-box
PE
water tank
temp sensor
2
temp sensor
1
patching board
mainboard
outdoor unit
patching board
mainboard
PE
CN20
L1 L2 L3
N
L
1
N
2
L1
L2
L3
N
communication wire
Leakage switch is
needed for
system power
supply
leakage switch
Connection Diagram of Outdoor Unit, Hydro-box and Water Tank
(
RQ20LA.RQ30LA
)
PE
6
5
4
3
2
1
PE
hydro-box
water outlet
temp sensor
upper temp
sensor
patching board
mainboard
leakage switch
power
leakage switch
patching board
electromagnetic valve D
electromagnetic valve C
Leakage switch is
needed for
system power
supply
Connection Diagram of Outdoor Unit, Hydro-box and Water Tank
(
RQD20LA.RQD30LA
)
14.4 Dial-up of Unit
The indoor unit is provided with three dial-up, i.e. address dial-up, capacity dial-up and
function dial-up. Among them, the address dial-up and function dial-up shall be set on installation
site.
The duct-type unit is taken as example to illustrate the position of three dial-up: