Piping System - Mitsubishi Heavy Industries SRK20ZD-S1 Technical Manual

(b) Outdoor unit
Models All models
286.4
203.1

(4) Piping system

Models SRK50HE-S1, 56HE-S1
Indoor unit
Flare connection
Room temp.
sensor
Heat
exchanger
Flare connection
Drain holes 50
476
510
850
Outdoor unit
Service valve
(Gas)
Piping
Check joint
(Gas)
ø12.7
4 way valve
Heat
exchanger
sensor
Piping
(Liquid)
Service valve (Liquid)
ø6.35
12
136.9 Elogated hole
(2-12 x16)
Ground
terminal
Discharge pipe
temp. sensor
Compressor
Capillary tube
Electronic
Strainer
expansion valve
181
- -
Terminal block
34.6
124
Service valve (Liquid)
ø6.35 (1/4'')
Service valve (Gas)
ø12.7 (1/2'')
Cooling cycle
Heating cycle
Outdoor air
temp. sensor
Accumulator
Heat exchanger
sensor
Capillary tube
Heat
exchanger