Outlines And Dimensions - Mitsubishi Electric EHST20C-VM6HA Service Manual

5

OUTLINES AND DIMENSIONS

5-1. Technical Drawings
680
<Left side>
C
0
63.3
67.8
123
D
E
G / J
449.7
491.1
509.7
561.7
H / K
<Top>
5-2. Service access diagrams
Service access
Parameter
a
b
c (distance behind unit not visible
in the figure on the right)
d
Sufficient space MUST be left for the provision of discharge pipework as
detailed in National and Local building regulations.
The cylinder unit must be located indoors and in a frost-free environment,
for example in a utility room, to minimise heat loss from stored water.
<Front>
A
B
F
L
Dimension (mm)
300
150
10
500
595
Main controller
Temperature and
pressure relief valve
and its access plate
(EXPT20X-VM2HA only)
Terminal block
Letter Pipe description
A DHW outlet connection
Cold water inlet connection
B
Solar (ancillary heat source) connection
C/D
Space heating return connection
E
Space heating flow connection
F
Flow from heat pump connection
G
(No plate heat exchanger)
Return to heat pump connection
H
(No plate heat exchanger)
Refrigerant (GAS)
J
(With plate heat exchanger)
Refrigerant (LIQUID)
K
(With plate heat exchanger)
L Electrical cable inlets
a
b
Service access
10
(Unit: mm)
Air vent
Pressure relief valve
G1/2
156 50
<Right side>
Connection size/type
 mm/Compression
 mm/Compression
 mm/Compression
8 mm/Compression
8 mm/Compression
8 mm/Compression
8 mm/Compression
15.88 mm/Flare
9.5 mm/Flare
—
* The leftmost hole is for
wireless receiver (option)
(PAR-WR41R-E)
b
d