57
REFRIGERANT SYSTEM DIAGRAM
6
Indoor
heat
exchanger
Outdoor
heat
exchanger
Distributor
(With strainer)
Flared connection
Room
temperature
thermistor
RT11
Indoor coil
thermistor
RT12
Defrost
thermistor
RT61
Flared connection
Stop valve
Stop valve
(with service port)
(#100)
Strainer
Strainer
(#50)
Strainer
(#50)
Capillary tube
1.6VR (
{
3.0x
{
1.8xL330)
1.6VR2 (
{
3.0x
{
1.6xL420)
Capillary
tube
1.6VR
(
{
3.0x
{
1.6xL550)
1.6VR2
(
{
3.0x
{
1.8xL550)
Restrictor valve
Refrigerant flow in cooling
Compressor
Accumulator
Strainer 1
(#100)
valve
Muffler
Refrigerant flow in heating
Refrigerant pipe
[
12.7
(Option)
(with heat insulator)
Refrigerant pipe
(Option)
[
6.35
(with heat insulator)
Discharge
Pressure
Regulator
Reversing
INDOOR UNIT
SEH-1.6AR.TH
SEH-1.6AR
1
.TH
OUTDOOR UNIT
SUH-1.6VR.TH
SUH-1.6VR2.TH
Indoor
heat
exchanger
Outdoor
heat
exchanger
Distributor
(With strainer)
Flared connection
Room temperature
thermistor
RT11
Indoor coil
thermistor
RT12
Defrost
thermistor
RT61
Flared connection
Stop valve
Stop valve
(with service port)
(#100)
Strainer
Capillary tube
2VR
(1)
(
{
4.0X
{
2.4XL660)
2VR
2
(
{
3.0X
{
2.0XL250)
Capillary
tube
(
{
3.0X
{
1.6XL860)X2
Restrictor valve
Refrigerant flow in cooling
Compressor
Accumulator
Strainer 1
(#100)
valve
Muffler
Refrigerant flow in heating
Refrigerant pipe
[
15.88
(Option)
(with heat insulator)
Refrigerant pipe
(Option)
[
6.35
(with heat insulator)
Discharge
Pressure
Regulator
Strainer
(#50)
Strainer
(#50)
Reversing
INDOOR UNIT
SEH-2AR.TH
OUTDOOR UNIT
SUH-2VR.TH
SUH-2VR
1
.TH
SUH-2VR
2
.TH
OC281-B-2.qxp 04.2.10 2:22 PM Page 57