qunda QD-HVAC15 WIFI Touch-Screen Programmable Thermostat Instruction Manual
1
2
3
Power supply
Factory-installed jumper. Remove only when installing on 2-transformer systems
In heat pump mode, please check the reversing vlave to see whether it is in O or B position,
and enter the system to set reversing valve to the position you need.
4
The system is in the electronic mode in default setting. If the system is gas or oil supported,
enter the setting interface to set it in the gas mode.
Typical 1H/1C system: 2 transformer
Typical 1H/1C system: 1 transformer
REMOVE JUMPER
C
C
R
L2
L2
L1(HOT)
R
C
L1(HOT)
R
R
C
H
2
2
1
RH
R
1
COMPRESSOR
RELAY
COMPRESSOR
RELAY
Y
C
Y
C
W
O/B
W
O/B
HEAT RELAY
FAN RELAY
HEAT RELAY
FAN RELAY
G
G
C
L2
L1(HOT)
1
R
3
Typical 1H/1C heat pump system
Typical heat-only system
C
C
R
L2
L2
L1(HOT)
R
R
C
H
L
1
(
H
O
T
)
R
R
C
H
2
2
1
R
1
COMPRESSOR
RELAY
Y
Y
C
C
W
O/B
W
O/B
HEAT RELAY
FAN RELAY
G
G
COOL CHANGE
OVER VALVE
HEAT CHANGE
OVER VALVE
Tips:
1.Please set on the heat pump system first.
2.Please set the valve as heating/cooling system.
Typical cool-only system
Typical heat-only system with fan
C
C
L2
L1(HOT)
L2
L1(HOT)
R
C
H
R
C
H
2
2
1
R
R
1
R
R
COMPRESSOR
RELAY
Y
Y
C
C
W
O/B
W
O/B
HEAT RELAY
FAN RELAY
FAN RELAY
G
G
| General | Details |
|---|---|
| Name | qunda QD-HVAC15 WIFI Touch-Screen Programmable Thermostat Instruction Manual |
| Make | qunda |
| Language | English |
| Filetype | PDF (Download) |
| File size | 1.42 MB |
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