Suomi
Below are examples of how REFCO pumps can be installed. For reference only.
When outdoor condenser is powered from the indoor evaporator unit
Evaporator (Indoor)
N
L
L
ity power
L NC N
Power only with no alarm circuit
(drawing # 4)
Not recommended: Water damage can occur if
drain line becomes kinked, pinched or plugged.
Water damage can occur if pump fails.
Pump (for indoor use only)
Alarm cable not
used
Evaporator unit (indoor)
10
Data (communica ons)
N
3
100 -240vac (live 1)
made inside
the indoor
evaporator
COM
Pump
for indoor
NC
COM
use only
Alarm Relay
2
1
3
2
1
(drawing # 3)
Condenser unit (outdoor)
3
Earth (ground)
Neutral (live 2)
N
L
Alarm relay oper
Power up LED flash sequence
Pump status
Condensate level
Unpowered
(or pump failure)
Powered
Below alarm level
Powered
To change alarm relay opera
1. Unplug pump
2. Move dip-switch posi ns to
3. Plug pump in
4. Wait for one green LED blink
5. Move dip-switch po
ons to
6. Wait for one red LED blink
7. Reset dip-switch posi ns to
8. Wait for one green LED blink
9. Unplug pump
10. Set the dip-switches back to the desired capacity configu
11. Plug pump in and check that power up LED sequence matches the desired alarm relay op
12. Done!
*
To reset alarm relay to default o
Condenser unit (outdoor)
Data line
3
Earth
(ground)
Neutral (live 2)
2
100-240vac (live 1)
1
table
default
opera on
n/a
NC
COM
NC
COM
vated
NC
COM
Default Mode
Can be used to
(e.g. the Evaporator unit) when the
condensate is above the alarm level.
The drawings on this page show Default
Mode examples.
Peripheral Mode
Can be used to
(e.g. an audible or visible alert) when the
condensate is above the alarm level
on. (Low, medium-low, medium-high, high)
on, repeat steps 1 thru 11
Asennusohje Gobi II
Or
Peripheral
mode
COM
NC
NC
COM
NC
COM
an external device
an external device
on