Midea RSJ-380/SN1-820-D - Page 30

MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual
30
RSJ-100/N1-540V-D
Unit number
Main water inlet pipeline
Main water outlet pipeline
1 set
DN25
DN25
2 sets parallel connection
DN25
DN25
3 sets parallel connection
DN32
DN32
4~5 sets parallel connection
DN32
DN32
6~7 sets parallel connection
DN50
DN50
8~12 sets parallel connection
DN50
DN50
13~14 sets parallel
connection
DN65
DN65
15~16 sets parallel
connection
DN65
DN65
7.6. Installation pipe-hot --Heat Preservation
 Formation: a. Antisepsis layer; b. Glide layer; c. Adiabatic layer:
d. Waterproof layer; e. Outer safeguard layer.
 Pipe Antisepsis Formation: a. Antisepsis layer:
b. Waterproof layer; c. Outer safeguard layer.
 Antisepsis layer: red lead paint
 Adiabatic layer: mineral wool, rubber plastic sponge、foaming polyurethane etc
 Outer safeguard layer：
Outdoor, aluminum foil sheet+0.3mm galvanized steel sheet;
Indoor, aluminum foil sheet.
 Thickness of Adiabatic
layer≥30mm
Pipe
Waterproof &
Antisepsis layer
Adiabatic
layer