91
* DHW cylinder unit
* locally supplied
Packaged
O/U
Gas boiler
FTC
* Time switch
Room thermostat:
installed in the coldest room
* TRV(Thermostatic Radiator Valve)
Immersion
heater
existing boiler
for backup purpose
*pump
*valve
*Radiator
Flow temp.
thermistor
* Flow sensor
(to prevent
pipes from
freezing)
6
5
2
1
1
8
1
2
1
8
1
8
4
3
Flow temp.thermistor
OFF/ON
OFF/ON
OFF/ON
OFF/ON
TB61
6
5
2
1
4
3
TB62
6
5
2
1
4
3
8
7
10
9 11 13
12 14
6
5
2
1
4
3
8
7
10
9 11 13
12 14
TB142
TB141
(External Output)
(External Input)
L N
S1 S2 S3
TB6
SW6
CNS2
FTC board
TO OUTDOOR UNIT
2
1
To metal chassis
SW3
SW2
SW1
{
TB142
FTC
11
10
12
13
14
At site
HeatingECO
→
Hot Water
→
6
5
7
8
9
2
1
3
4
Forced Comp. OFF
→
X11
X12
Flow sensor
Time switch(AC230V Output)
SH
DHW
Pump
(ON/OFF)
Room Thermistor
X11
X12
Valve
(ON/OFF)
PAR-W21MAA
Remote Controller
SW1
ON
1
2
3
4
5 6 7 8
SW2
ON
1
2
3
4
5
6 7
8
SW3
ON
1
2
3
4
5 6 7
8
ON
1
2
SW6
System example
7
1. Air to Water application
(1) Domestic Hot Water + Space heating by radiator
with packaged outdoor unit + FTC
*variable capacity request signals for Heat Pump is calculated by FTC.
Note: When connecting a
fl
ow sensor (
fl
ow switch), select the
fl
ow sensor according to the
fl
ow rate and the delay time.
1) System outline
2) Wiring / Switch setting
System select
<Basic system>
•ON/OFF, operation mode by external
input.
•Set temp. by R/C.
Fixed OFF
TH2(liquid pipe thermistor) connection
ON: not connect(packaged O/U)
Prohibition of cooling mode
OFF: permit
Set temp. by DIP switch
OFF: by R/C or Analog signal
Set temp. range
Heating mode.
max 60
:
: O/U is packaged type.
Set temp. by DIP switch
(not in use in this case)
Fixed: OFF
Logic of forced comp OFF input
by external signal(TB142: 5-6)
OFF: short
→
comp OFF
ON: open
→
comp OFF
Fixed OFF
FTC
Analog input setting
(not in use in this case)
Содержание PAC-IF012B
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