Midea M thermal Mono Series Engineering Data page 48

A dedicated power circuit is required for the backup electric heater.
Installation equipped with a domestic hot water tank (field supplied) requires a dedicated power circuit for the
immersion heater.
Lay out the electrical wiring so that the front cover does not rise up when doing wiring work and attach the front
cover securely.
Follow the electric wiring diagrams for electrical wiring works. Refer to Figure 2-4.1 in part 2, 4 "Wiring Diagram".
Install the wires and fix the cover firmly so that the cover may be fit in properly.
4.4 Wiring Overview
Figure 3-4.2: Wiring overview
Legend
A Outdoor unit
B Solar panel (field supplied)
C Wired controller
D Room thermostat (field supplied)
E AHS (field supplied)
F P_s: Solar pump (field supplied)
G P_c: Circulation pump / zone 2 pump (field supply)
H P_o: Outside circulation pump / zone 1 pump (field supply)
202005
I P_d: DHW pump (field supplied)
J SV2: 3-way valve (field supplied)
K SV1: 3-way valve for domestic hot water tank(field supplied)
L Domestic water tank (field supplied)
M Booster heater (field supplied)
N Contactor (field supplied)
O Power supply
P SV3: 3-way valve for Zone 2 (field supplied)
Midea CAC Confidential
M thermal Mono
47